Metering handcart

Abstract

The utility model relates to the technical field of switch cabinets, and discloses a metering handcart which comprises a handcart body, a fixing plate is arranged on the upper portion of the handcart body, a sliding assembly is arranged on the upper portion of the fixing plate, the sliding assembly comprises a two-way threaded rod, and the two-way threaded rod is rotatably connected to the interior of the fixing plate. The left portion of the bidirectional threaded rod is fixedly connected with a rotating disc, the left portion of the rotating disc is fixedly connected with a rotating handle, the exterior of the bidirectional threaded rod is in threaded connection with a sliding block, the interior of the sliding block is fixedly connected with a sliding rod, an open groove is formed in the fixing plate, and the sliding rod is slidably connected with the interior of the open groove. A hinge frame is arranged outside the sliding rod, a bearing plate is arranged on the upper portion of the hinge frame, a fixing frame is arranged on the upper portion of the bearing plate, and a connecting plate is fixedly connected to the outer portion of the fixing frame. According to the utility model, the handcart height of switch cabinets of different types and models can be adapted.

Description

Technical Field

[0001] The utility model relates to the technical field of switch cabinets, in particular to a metering trolley. Background Art

[0002] In the power system, accurate measurement and monitoring of electric energy is one of the key factors to ensure stable and efficient operation of the system. With the continuous development and expansion of the power system, the demand for electric energy metering and monitoring is also increasing. However, in the complex layout and operation environment of power equipment, it is not easy to carry out accurate measurement and monitoring, especially for the key electric energy parameters located inside the switch cabinet.

[0003] After searching, the Chinese patent announcement number: CN205753143U discloses a metering trolley, including a trolley frame, a voltage transformer, a current transformer, and a metering bin. A metering bin is provided on one side of the trolley frame, a metering junction box is installed in the lower part of the metering bin, and two electric meter brackets are installed horizontally on the upper part. A current transformer is installed on the upper part of the other side of the trolley frame, and a voltage transformer is installed on the lower part. The current transformer and the voltage transformer are connected to the two ends of the fuse respectively. An integrated insulator is provided on the current transformer, and a contact arm is installed on the integrated insulator. The integrated insulator is fixedly connected to the trolley frame through a fixing part, and the fixing part has a square hole. The utility model is reasonably designed, and the depth of the metering bin is not large, but the upper and lower spaces are sufficient to meet the requirements of installing two electric meters at the same time. Although the patent technology meets the requirements of installing two electric meters at the same time, it cannot be applied to switch cabinets of different sizes and heights. Therefore, those skilled in the art provide a metering trolley to solve the problems raised in the above background technology. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a metering trolley, aiming to improve the problem that the prior art cannot be adapted to switch cabinets of different sizes and heights.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A metering trolley comprises a trolley, a fixed plate is arranged on the upper part of the trolley, a sliding assembly is arranged on the upper part of the fixed plate, the sliding assembly comprises a bidirectional threaded rod, the bidirectional threaded rod is rotatably connected to the inside of the fixed plate, a turntable is fixedly connected to the left part of the bidirectional threaded rod, a handle is fixedly connected to the left part of the turntable, a sliding block is threadedly connected to the outside of the bidirectional threaded rod, a sliding rod is fixedly connected to the inside of the sliding block, a slot is provided inside the fixed plate, the sliding rod is slidably connected to the inside of the slot, an articulated frame is arranged outside the sliding rod, and a bearing plate is arranged on the top of the articulated frame.

[0007] Through the above technical solution, the handle at the front of the trolley is rotated, and the handle drives the turntable to rotate, thereby driving the two-way threaded rod to rotate, and the rotation of the two-way threaded rod drives the sliding block to rotate, thereby driving the sliding block to slide inside the sliding groove, and the sliding block drives the sliding rod to move, and the sliding rod slides in the slot inside the fixed plate, thereby driving the sliding rod to move, and the sliding rod drives the articulated frame to move, and the bearing plate on the upper part of the articulated frame is raised and lowered, thereby driving the fixed frame to move upward, which can flexibly and efficiently adapt to the height of trolleys on switch cabinets of different types and models.

[0008] Furthermore, a fixing frame is provided on the upper portion of the bearing plate, a connecting plate is fixedly connected to the outside of the fixing frame, a threaded rod is fixedly connected to the inside of the connecting plate, a threaded sleeve is threadedly connected to the outside of the threaded rod, a supporting plate is fixedly connected to the outside of the threaded sleeve, an upper contact arm is provided on the upper portion of the fixing frame, a lower contact arm is provided on the lower portion of the upper contact arm, an insulating sleeve 1 is provided on the outside of the upper contact arm, an insulating sleeve 2 is provided on the outside of the lower contact arm, an aviation plug is provided on the rear portion of the fixing frame, and an electric meter is provided on the lower portion of the aviation plug.

[0009] Through the above technical scheme, the threaded rod and the threaded sleeve are threadedly connected through the threaded rod on the external connecting plate of the fixing frame, and the threaded sleeve is rotated. The threaded sleeve rotates when the threaded rod drives the threaded sleeve to move outward, thereby driving the supporting plate to move outward. It can be adjusted laterally and can be suitable for switch cabinets of different sizes, which increases the applicability of the device. An aviation plug is provided at the rear of the fixing frame to realize the secondary line connection between the product and the switch cabinet. An electric meter is provided at the bottom of the aviation plug to realize the measurement and display of voltage and current. Insulating sleeve one and insulating sleeve two are respectively installed at the top of the upper contact arm and the top of the lower contact arm to increase product safety.

[0010] Furthermore, a slide rail is provided on the upper portion of the connecting plate, and the slide rail is provided outside the fixing frame.

[0011] Through the above technical solution, the sliding rail can be matched with the push valve mechanism, and the push valve mechanism is used to open the valve of the switch cabinet, so that the contact is in contact with the electrical equipment in the switch cabinet.

[0012] Furthermore, rollers are fixedly connected to the four corners of the bottom of the trolley.

[0013] Through the above technical solution, the trolley is conveniently moved by arranging rollers.

[0014] Furthermore, a sliding groove is provided at the inner bottom of the fixed plate, and the sliding block is slidably connected inside the sliding groove.

[0015] Through the above technical solution, by setting a sliding block to slide inside the sliding groove, the sliding block drives the sliding rod to move, the sliding rod drives the articulated frame to move, the bearing plate on the upper part of the articulated frame is raised and lowered, thereby driving the fixed frame to move upward, which can be applicable to switch cabinets of different types and models.

[0016] Furthermore, the sliding block is slidably connected inside the fixed plate.

[0017] Through the above technical solution, the sliding block is slidably connected to the inside of the fixed plate, which can drive the sliding rod to slide in the slot inside the fixed plate, thereby lifting and lowering the load-bearing plate on the upper part of the hinged frame.

[0018] Furthermore, a plum blossom contact is provided at the front portion of the upper contact arm.

[0019] Through the above technical solution, the plum blossom contact can provide higher safety and connection stability, avoid incorrect plug connection, and reduce potential electrical risks.

[0020] Furthermore, the sliding rod is slidably connected to the inside of the fixing plate.

[0021] Through the above technical solution, by arranging the sliding rod inside the fixed plate, the bearing plate on the upper part of the articulated frame can be raised and lowered, thereby driving the fixed frame to move upward, which can flexibly and efficiently adapt to the height of the trolley on the switch cabinets of different types and models.

[0022] The utility model has the following beneficial effects:

[0023] 1. In the utility model, through the cooperation among structures such as the bidirectional threaded rod, the turning handle, the turning plate, the sliding block, the sliding groove, the sliding rod, the hinged frame, the bearing plate, the fixing frame, the threaded rod and the threaded sleeve, the height of the trolley on the switch cabinet of different types and models can be flexibly and efficiently applied, and it is suitable for switch cabinets of different sizes, thereby increasing the applicability of the device.

[0024] 2. In the utility model, through the coordination among the aviation plug, the second insulating sleeve, the first insulating sleeve, the upper contact arm, the lower contact arm, the electric meter and the plum blossom contact, the voltage and current measurement can be displayed intuitively, which is convenient for the power supply department to monitor and bill the customer's electricity consumption and is easy to maintain and overhaul. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A three-dimensional diagram of a metering trolley proposed by the utility model;

[0026] Figure 2 This is a schematic diagram of the bottom structure of a metering trolley proposed by the utility model;

[0027] Figure 3This is a schematic diagram of the fixed frame structure of a metering trolley proposed by the utility model;

[0028] Figure 4 The utility model is a rear view of a fixing frame of a metering trolley.

[0029] Legend:

[0030] 1. Upper contact arm; 2. Lower contact arm; 3. Cart; 4. Roller; 5. Fixed plate; 6. Articulated frame; 7. Load-bearing plate; 8. Sliding block; 9. Bidirectional threaded rod; 10. Slide groove; 11. Plum blossom contact; 12. Sliding rod; 13. Turning handle; 14. Turntable; 15. Slot; 16. Insulating sleeve 1; 17. Insulating sleeve 2; 18. Threaded rod; 19. Support plate; 20. Threaded sleeve; 21. Slide rail; 22. Fixed frame; 23. Aviation plug; 24. Electric meter; 25. Connecting plate. DETAILED DESCRIPTION

[0031] 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.

[0032] Reference Figure 1 and Figure 2 The utility model provides an embodiment: a metering trolley, including a trolley 3, a fixed plate 5 is arranged on the upper part of the trolley 3, a sliding assembly is arranged on the upper part of the fixed plate 5, the sliding assembly includes a bidirectional threaded rod 9, the bidirectional threaded rod 9 is rotatably connected to the inside of the fixed plate 5, a turntable 14 is fixedly connected to the left part of the bidirectional threaded rod 9, a turning handle 13 is fixedly connected to the left part of the turntable 14, a sliding block 8 is threadedly connected to the outside of the bidirectional threaded rod 9, a sliding rod 12 is fixedly connected to the inside of the sliding block 8, a slot 15 is provided inside the fixed plate 5, a slide groove 10 is provided on the inner bottom of the fixed plate 5, the sliding block 8 is slidably connected to the inside of the slide groove 10, the sliding rod 12 is slidably connected to the inside of the slot 15, an articulated frame 6 is arranged outside the sliding rod 12, and a bearing plate 7 is arranged on the upper part of the articulated frame 6;

[0033] The handle 13 at the front of the trolley 3 is turned, and the handle 13 drives the turntable 14 to rotate, thereby driving the bidirectional threaded rod 9 to rotate, and the rotation of the bidirectional threaded rod 9 drives the sliding block 8 to rotate, thereby driving the sliding block 8 to slide inside the slide groove 10, and the sliding block 8 drives the sliding rod 12 to move, and the sliding rod 12 slides in the slot 15 inside the fixed plate 5, thereby driving the sliding rod 12 to move, and the sliding rod 12 drives the articulated frame 6 to move, and the bearing plate 7 on the upper part of the articulated frame 6 is lifted and lowered, thereby driving the fixed frame 22 to move upward, which can flexibly and efficiently adapt to the height of the trolley 3 on the switch cabinets of different types and models.

[0034] Reference Figure 3 and Figure 4 A fixing frame 22 is provided on the upper part of the bearing plate 7, a connecting plate 25 is fixedly connected to the outside of the fixing frame 22, a threaded rod 18 is fixedly connected to the inside of the connecting plate 25, a threaded sleeve 20 is threadedly connected to the outside of the threaded sleeve 20, a supporting plate 19 is fixedly connected to the outside of the threaded sleeve 20, an upper contact arm 1 is provided on the upper part of the fixing frame 22, a lower contact arm 2 is provided on the lower part of the upper contact arm 1, an insulating sleeve 16 is provided on the outside of the upper contact arm 1, an insulating sleeve 2 17 is provided on the outside of the lower contact arm 2, an aviation plug 23 is provided on the rear part of the fixing frame 22, an electric meter 24 is provided on the lower part of the aviation plug 23, and a plum blossom contact 11 is provided on the front part of the upper contact arm 1;

[0035] Through the threaded rod 18 on the external connecting plate 25 of the fixing frame 22, the threaded rod 18 and the threaded sleeve 20 are threadedly connected, and the threaded sleeve 20 is rotated. The threaded sleeve 20 rotates on the threaded rod 18, driving the threaded sleeve 20 to move outward, thereby driving the support plate 19 to move outward. It can be adjusted laterally and can be suitable for switch cabinets of different sizes, increasing the applicability of the device. An aviation plug 23 is provided at the rear of the fixing frame 22 to realize the secondary line connection between the product and the switch cabinet. An electric meter 24 is provided at the lower part of the aviation plug 23 to realize the measurement and display of voltage and current. Insulating sleeve 1 16 and insulating sleeve 2 17 are respectively installed at the top of the upper contact arm 1 and the top of the lower contact arm 2, thereby increasing product safety. The plum blossom contact 11 can provide higher safety and connection stability, avoid incorrect plug connection, and reduce potential electrical risks.

[0036] Reference Figure 1 , Figure 2 , Figure 3 and Figure 4The upper part of the connecting plate 25 is provided with a slide rail 21, and the slide rail 21 is arranged outside the fixed frame 22. By setting the slide rail 21, it can be used to accurately position the measuring equipment or instruments on the trolley 3 to ensure that they move stably along the specific track during the measurement process. The four corners of the bottom of the trolley 3 are fixedly connected with rollers 4. By setting the rollers 4, it is convenient for the trolley 3 to push. The sliding block 8 is slidably connected to the inside of the fixed plate 5. The sliding block 8 is slidably connected to the inside of the fixed plate 5. The sliding rod 12 can be driven to slide in the slot 15 inside the fixed plate 5, thereby lifting the bearing plate 7 on the upper part of the articulated frame 6. The sliding rod 12 is slidably connected to the inside of the fixed plate 5. By setting the sliding rod 12 inside the fixed plate 5, the bearing plate 7 on the upper part of the articulated frame 6 can be lifted, thereby driving the fixed frame 22 to move up, which can flexibly and efficiently adapt to the height of the trolley 3 on the switch cabinets of different types and models.

[0037] Working principle: When using this device, by rotating the handle 13 at the front of the trolley 3, the handle 13 drives the turntable 14 to rotate, thereby driving the two-way threaded rod 9 to rotate, the rotation of the two-way threaded rod 9 drives the sliding block 8 to rotate, thereby driving the sliding block 8 to slide inside the slide groove 10, the sliding block 8 drives the sliding rod 12 to move, the sliding rod 12 slides in the slot 15 inside the fixed plate 5, thereby driving the sliding rod 12 to move, the sliding rod 12 drives the articulated frame 6 to move, and the bearing plate 7 on the upper part of the articulated frame 6 is lifted and lowered, thereby driving the fixed frame 22 to move upward, which can flexibly and efficiently adapt to the height of the trolley 3 on the switch cabinets of different types and models, through the threaded rod 18 on the external connecting plate 25 of the fixed frame 22, the threaded rod 18 and the threaded sleeve 20 are screwed The threaded connection is achieved by rotating the threaded sleeve 20, which rotates on the threaded rod 18, driving the threaded sleeve 20 to move outward, thereby driving the support plate 19 to move outward. It can be adjusted laterally and can be suitable for switch cabinets of different sizes, which increases the applicability of the device. An aviation plug 23 is provided at the rear of the fixing frame 22 to achieve secondary line connection between the product and the switch cabinet. An electric meter 24 is provided at the lower part of the aviation plug 23 to achieve voltage and current measurement and display. Insulating sleeve 16 and insulating sleeve 2 17 are respectively installed on the top of the upper contact arm 1 and the top of the lower contact arm 2, which increases product safety. The plum blossom contact 11 can provide higher safety and connection stability, avoid incorrect plug connection, and reduce potential electrical risks.

[0038] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A metering trolley, comprising a trolley (3), characterized in that: A fixed plate (5) is arranged on the upper part of the trolley (3), and a sliding assembly is arranged on the upper part of the fixed plate (5). The sliding assembly comprises a bidirectional threaded rod (9), and the bidirectional threaded rod (9) is rotatably connected to the inside of the fixed plate (5). The left part of the bidirectional threaded rod (9) is fixedly connected to a turntable (14), and the left part of the turntable (14) is fixedly connected to a handle (13). The external thread of the bidirectional threaded rod (9) is connected to a sliding block (8), and the inside of the sliding block (8) is fixedly connected to a sliding rod (12). A slot (15) is provided inside the fixed plate (5), and the sliding rod (12) is slidably connected to the inside of the slot (15). An articulated frame (6) is arranged outside the sliding rod (12), and a bearing plate (7) is arranged on the upper part of the articulated frame (6).

2. A metering trolley according to claim 1, characterized in that: A fixing frame (22) is arranged on the upper part of the bearing plate (7), a connecting plate (25) is fixedly connected to the outside of the fixing frame (22), a threaded rod (18) is fixedly connected to the inside of the connecting plate (25), a threaded sleeve (20) is threadedly connected to the outside of the threaded rod (18), a supporting plate (19) is fixedly connected to the outside of the threaded sleeve (20), an upper contact arm (1) is arranged on the upper part of the fixing frame (22), a lower contact arm (2) is arranged on the lower part of the upper contact arm (1), an insulating sleeve 1 (16) is arranged on the outside of the upper contact arm (1), and an insulating sleeve 2 (17) is arranged on the outside of the lower contact arm (2), an aviation plug (23) is arranged on the rear part of the fixing frame (22), and an electric meter (24) is arranged on the lower part of the aviation plug (23).

3. A metering trolley according to claim 2, characterized in that: A slide rail (21) is provided on the upper portion of the connecting plate (25), and the slide rail (21) is arranged outside the fixing frame (22).

4. A metering trolley according to claim 1, characterized in that: Rollers (4) are fixedly connected to the four corners of the bottom of the trolley (3).

5. A metering trolley according to claim 1, characterized in that: The inner bottom of the fixed plate (5) is provided with a sliding groove (10), and the sliding block (8) is slidably connected inside the sliding groove (10).

6. A metering trolley according to claim 1, characterized in that: The sliding block (8) is slidably connected inside the fixing plate (5).

7. A metering trolley according to claim 2, characterized in that: A plum blossom contact (11) is provided at the front of the upper contact arm (1).

8. A metering trolley according to claim 1, characterized in that: The sliding rod (12) is slidably connected inside the fixing plate (5).

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