Coal field exploration sample classification transfer box

Abstract

The invention provides a coal field exploration sample classification transfer box. The coal field exploration sample classification transfer box structurally comprises an electrifying structure, a bearing box, a heat dissipation end, a control panel and a novel loading structure. After the novel loading structure is further improved, six groups of independent loaders in the two groups of thermotanks of the two groups of novel loading structures can be used for loading six samples into the storage grooves of the loading box one by one, so that the samples are not communicated with one another in the thermotanks; through temperature balance of the constant-temperature box, it can be ensured that the temperature of the sample is kept in a proper state and is not greatly changed due to external influence; two groups of novel loading structures are matched to replace an original large-volume form for use; and three groups of independent loaders are arranged in each group of thermotanks, so that the samples can be taken out quickly and simultaneously, and then the types of the samples are identified by using label auxiliary blocks.

Description

Technical Field

[0001] The invention relates to the technical field of classification and transportation, and more specifically to a classification and transportation box for coalfield exploration samples. Background Art

[0002] Coalfield exploration samples are mainly divided into six types of samples: full-seam coal samples, stratified coal samples, macro-type block samples, coal seam columnar samples, particle size analysis coal samples, total moisture coal samples, and drilled coal samples. Therefore, the six types of coal samples in the coalfield can be transported separately one by one through a dedicated classification transfer box, so as to avoid the mutual mixing of coal samples and the resulting loss of classification accuracy in subsequent research. Therefore, the cooperation of the classification transfer box can effectively improve the transportation stability of coalfield exploration samples. In summary, the inventors have found that the existing classification transfer box has the following main defects: because the current classification transfer box is large in size to ensure that the six samples of coalfield exploration can be loaded and transferred at the same time, the six samples can be loaded one by one. As a result, the large volume reduces the convenience of connecting the transfer box to the relevant vehicles and the subsequent cumbersomeness of taking out the samples one by one, thereby reducing the use intensity of the transfer box; At the same time, the current transfer box has a relatively simple structure, and it is impossible to control the temperature and humidity after the samples are loaded. As a result, after the samples are taken out of the coal field, their normal humidity and temperature will gradually be lost during the transfer process, which will reduce the accuracy of subsequent normal research on the samples. Summary of the Invention

[0003] The technical solution adopted by the present invention to achieve the technical purpose is: a coalfield exploration sample classification and transfer box, whose structure includes: a power-on structure, a carrying box, a heat dissipation end, a control panel, and a new loading structure. The power-on structure is installed at the lower end of the carrying box and the side of the carrying box and the heat dissipation end are an integrated structure. The control panel is arranged on the outer surface of the carrying box. The new loading structure is vertically installed into the carrying box and is electrically connected with the control panel and the power-on structure.

[0004] As a further improvement of the present invention, the new loading structure is provided with a power plug, which is installed at the lower end of the constant temperature box, and a slider is connected to the edge of the constant temperature box, and an airtight frame and a top cover are also provided on the top. A pull block is also connected to the center of the upper end of the top cover, and an independent loader is provided on the surface of the constant temperature box.

[0005] As a further improvement of the present invention, the independent loader is also provided with a limit frame, a through slot is opened in the center of the limit frame for the loading box to pass through, a label auxiliary block is provided at the front end of the loading box and a storage slot is opened inside, and the loading box is inserted into the constant temperature box through the through slot of the limit frame.

[0006] As a further improvement of the present invention, by setting up two sets of new loading structures in the carrying box, the six types of samples can be loaded one by one using the six sets of independent loaders built into the two sets of constant temperature boxes. At the same time, one set of constant temperature boxes is equipped with three sets of independent loaders. The independent loaders then load the samples through the loading box, and then use the label auxiliary block at the front end to pull them in parallel and identify the sample type in the storage slot.

[0007] As a further improvement of the present invention, the power-on structure positions the carrying box vertically and the heat dissipation ends of the carrying box are distributed on the left and right sides to balance the temperatures of the two built-in left and right sets of new loading structures.

[0008] As a further improvement of the present invention, the power plug is perpendicular to the bottom of the constant temperature box and solid sliders are connected to the left and right sides of the constant temperature box. The airtight frame is made of rubber and coincides with the center of the top cover. The constant temperature box is also equipped with three sets of independent loaders and are separated from each other inside the constant temperature box and are not connected to each other.

[0009] As a further improvement of the present invention, the through slot of the limit frame is hollow and matches the shape of the loading box, the label auxiliary block at the front end of the loading box is in a "concave" shape and the internal storage slot is opened in a vertical direction.

[0010] As a further improvement of the present invention, a magnetic plate is further provided in the storage slot, which is arranged at the lower end of the kraft paper pad and an assembly block is connected to the edge of the kraft paper pad. The kraft paper pad forms a "concave" shape and the inner wall forms a contact layer.

[0011] As a further improvement of the present invention, the magnetic plate covers the lower end surface of the kraft paper pad, and a total of four groups of solid rectangular assembly blocks are provided on the edge of the kraft paper pad. The assembly blocks are vertically installed into the loading box to cover the inner wall of the storage slot.

[0012] As a further improvement of the present invention, a groove is newly provided on the outside of the kraft paper pad. The groove is opened at the edge of the metal frame and a clamping frame is connected to the inner wall of the metal frame to cover the edge of the kraft paper pad.

[0013] As a further improvement of the present invention, the groove is in a concave shape and the metal frame covers the outside of the kraft paper pad through a clamping frame and is then inserted and fixedly connected with the assembly block.

[0014] As a further improvement of the present invention, the power-on structure is provided with an electrical connection plug-in block, which is vertically installed at the inner center of the support block and the lower edge of the support block is also connected to an extension plate to position the output block and the two groups of support blocks are assembled through the position of the extension plate, and the spacing between them forms a clamping groove for the bottom of the supporting box to be embedded.

[0015] As a further improvement of the present invention, the electrical connection plugs are provided in three groups in the support block and are set in a vertical direction. There are two support blocks arranged on the left and right sides of the extension plate, and the inner side of the extension plate is provided with power lines to electrically connect with the electrical connection plugs.

[0016] As a further improvement of the present invention, the support block is also provided with a restraining plate, which is fixed to one end of the surface of the block and limits the electrical connection plug-in. A slot is opened at the other end of the block, and vertical rails are opened in the slot area and the inside of the block to allow the electrical connection plug-in to pass through. The side area of the block is connected to the output connection block and the power circuit built into the extension plate for connection and power supply.

[0017] As a further improvement of the present invention, the restraining plate and the block are in conformity with each other in shape, and the slot of the block is rectangular and has three vertical rails built in to allow the electrical connection plug to pass through vertically.

[0018] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention is further improved by the new loading structure. The six independent loaders in the two sets of constant temperature boxes of the two sets of new loading structures can load the six kinds of samples one by one into the storage slots of the loading box, so that they are not connected to each other in the constant temperature box. Then, the temperature balance of the constant temperature box can ensure that the sample temperature is kept in a suitable state and will not be affected by the large temperature changes caused by external influences. The cooperation of the two sets of new loading structures can replace the original large-volume form for use, which improves the convenience of connecting the transfer box with the vehicle. Each set of constant temperature boxes is equipped with three independent loaders to quickly take out the samples at the same time, and then use the label auxiliary block to identify the type of each sample, thereby improving the convenience of use and classification accuracy of the classification transfer box.

[0019] 2. The present invention is based on a newly added kraft paper pad inside the storage tank. Through the cooperation of the kraft paper pad, it can replace the metal surface of the loading box to directly contact the sample. Then, the kraft paper pad can withstand the weight of the soil sample and the vibration during transportation due to its own high strength and toughness. At the same time, its moisture-proof performance can also effectively prevent the sample from getting damp. In addition, the kraft paper can also prevent the soil sample from being contaminated during transportation, ensuring the purity of the sample. The metal frame outside the kraft paper pad can be pulled out vertically from the loading box area through the groove to facilitate disassembly and positioning of the assembly block, thereby improving the convenience of assembly with the loading box.

[0020] 3. The present invention is further improved on the power-on structure, and the electrical connection plug-in block is positioned by two support blocks, and then distributed on the left and right sides of the extension plate, so that the carrier box can be vertically loaded and energized with the output block through the clamping groove formed by the spacing, and then the block body of the support block can be embedded in the connection position of the vehicle through the slot, and then the electrical connection plug-in block is limited by the vertical rail, which improves the stability when connected to the vehicle and energized. Subsequently, the output connection block on the side can be connected to the power line end of the extension plate and energized, so that the output block can stably receive electrical energy and feed it back to the carrier box for operation, thereby further improving the connection stability and operation stability between the classification transfer box and the vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The present invention is a structural diagram of a coalfield exploration sample classification and transfer box.

[0022] Figure 2 This is a schematic diagram of the improved three-dimensional structure of a new loading structure.

[0023] Figure 3 The present invention is a schematic diagram of the improved three-dimensional structure of an independent loader.

[0024] Figure 4 The present invention is a three-dimensional structural diagram of a new component of a storage tank.

[0025] Figure 5 The present invention is a schematic diagram of a structure from a top view with components arranged on the outside of a kraft paper pad.

[0026] Figure 6 The present invention is a schematic diagram of a three-dimensional structure after the power-on structure is improved.

[0027] Figure 7 The present invention is a schematic diagram of the three-dimensional structure of an improved support block.

[0028] In the figure: power supply structure-1, carrying box-2, heat dissipation end-3, control panel-4, new loading structure-5; Power plug-in block 51, constant temperature box 52, slider 53, airtight frame 54, top cover 55, pull block 56, independent loader 57; Limiting frame 571, through slot 572, loading box 573, label auxiliary block 574, storage slot 575; Magnetic plate-5751, kraft paper pad-5752, assembly block-5753, contact layer-5754; Grooves-7521, metal frames-7522, clamp frames-7523; Electrical connection block-11, support block-12, extension plate-13, output block-14, clamping slot-15; Restraining plate 121 , block 122 , slot 123 , vertical rail 124 , output connection block 125 . DETAILED DESCRIPTION

[0029] The present invention will be further described below with reference to the accompanying drawings: Example

[0030] Figures 1 to 5 As shown: The present invention provides a coalfield exploration sample classification and transfer box. Its structure includes: a power-on structure 1, a carrying box 2, a heat dissipation end 3, a control panel 4, and a new loading structure 5. The power-on structure 1 is installed at the lower end of the carrying box 2, and the side of the carrying box 2 and the heat dissipation end 3 are an integrated structure. The control panel 4 is arranged on the outer surface of the carrying box 2. The new loading structure 5 is vertically installed into the carrying box 2 and is electrically connected with the control panel 4 and the power-on structure 1.

[0031] Among them, the new loading structure 5 is provided with a power plug 51, which is installed at the lower end of the constant temperature box 52 and a slider 53 is connected to the edge of the constant temperature box 52. An airtight frame 54 and a top cover 55 are also provided on the top. A pull block 56 is also connected to the center of the upper end of the top cover 55, and an independent loader 57 is provided on the surface of the constant temperature box 52.

[0032] Among them, the independent loader 57 is also provided with a limit frame 571, and a through slot 572 is opened in the center of the limit frame 571 to allow the loading box 573 to pass through. A label auxiliary block 574 is provided at the front end of the loading box 573 and a storage slot 575 is opened inside. The loading box 573 is inserted into the constant temperature box 52 through the through slot 572 of the limit frame 571.

[0033] Among them, through the two sets of new loading structures 5 set in the carrying box 2, the six types of samples can be loaded one by one using the six sets of independent loaders 57 built into the two sets of constant temperature boxes 52. At the same time, one set of constant temperature boxes 52 is equipped with three sets of independent loaders 57. Then the independent loader 57 allows the sample to be loaded through the loading box 573, and then the label auxiliary block 574 at the front end is used to pull in parallel and identify the sample type of the storage slot 575.

[0034] The power supply structure 1 vertically positions the carrying box 2 and the heat dissipation ends 3 of the carrying box 52 are distributed on the left and right sides to balance the temperatures of the two sets of left and right new loading structures 5 built in.

[0035] Among them, the power plug 51 is perpendicular to the bottom of the constant temperature box 52, and solid sliders 53 are connected to the left and right sides of the constant temperature box 52. The airtight frame 54 is made of rubber and coincides with the center of the top cover 55. The constant temperature box 52 is also equipped with three groups of independent loaders 57, which are separated from each other inside the constant temperature box 52 and are not connected to each other.

[0036] Among them, the through slot 572 of the limit frame 571 is hollow and matches the shape of the loading box 573. The label auxiliary block 574 at the front end of the loading box 573 is in the shape of a "concave" character and the internal storage slot 575 is opened in a vertical direction.

[0037] Among them, a magnetic plate 5751 is also provided in the storage slot 575, and the magnetic plate 5751 is set at the lower end of the kraft paper pad 5752 and the edge of the kraft paper pad 5752 is connected to an assembly block 5753. The kraft paper pad 5752 forms an "concave" shape and the inner wall forms a contact layer 5754.

[0038] Among them, the magnetic plate 5751 covers the lower end surface of the kraft paper pad 5752, and a total of four groups of solid rectangular assembly blocks 5753 are provided on the edge of the kraft paper pad 5752. The assembly blocks 5753 are vertically installed into the loading box 573 to cover the inner wall of the storage slot 575.

[0039] A groove 7521 is newly provided on the outside of the kraft paper pad 5752 . The groove 7521 is opened at the edge of the metal frame 7522 and a clamping frame 7523 is connected to the inner wall of the metal frame 7522 to cover the edge of the kraft paper pad 5752 .

[0040] The groove 7521 is concave and the metal frame 7522 covers the outside of the kraft paper pad 5752 through the clamping frame 7523 and is then inserted and fixedly connected with the assembly block 5753.

[0041] Specific functions and operation procedures of this embodiment: In the present invention, the carrying box 2 of the coalfield exploration sample classification transfer box can be vertically loaded on the transfer vehicle through the power structure 1, and then the vehicle is electrically connected through the interlaced connection. Then, the constant temperature program of the two sets of new loading structures 5 can be set using the control panel 4. During operation, the temperature can be controlled by the edge heat dissipation end 3 to ensure stable operation under a constant temperature state. Then, the constant temperature boxes 52 of the two sets of newly added loading structures 5 can be vertically inserted into the interior of the carrying box 2 through the bottom power plug block 51 for interlaced electrical connection. During the process, the slider 53 provides assistance for vertical sliding. Then, the top airtight frame 54 can improve the airtightness of the top cover 55 located on the top of the carrying box 2, preventing external airflow from entering the interior of the carrying box 2. Then, the top cover 55 can be controlled by the pull block 56. The independent loader 57 in the thermostatic box 52 can be pulled upward vertically to facilitate disassembly and assembly, so that the three groups of independent loaders 57 inside the single thermostatic box 52 can load three different types of samples one by one, so that six types of samples can be loaded through two groups of new loading structures 5, replacing the original large-volume form, improving the convenience of connection with the transfer vehicle, and at the same time, according to the cooperation with the thermostatic box 52, the internal temperature of the independent loader 57 can be guaranteed to be stable, and the temperature loss of the sample caused by the external temperature of the transfer can be prevented, and then the limit frame 571 of the independent loader 57 can carry the empty slot 572 to be stably installed on the thermostatic box 52, and then the storage slot 575 inside the loading box 573 can load a sample The sample labels are loaded and then pulled in parallel according to the label auxiliary block 574 at the front end. At the same time, the sample labels can be loaded using the label auxiliary block 574 in the shape of the Chinese character "concave", so as to achieve the effect of easy identification, thereby preventing the six types of samples from being difficult to identify after being classified and loaded. Then, the newly added kraft paper pad 5752 inside the storage slot 575 can be stably installed inside the loading box 573 through the bottom magnetic plate 5751, so that the kraft paper pad 5752 can cover the storage slot 575, and then replace the inner wall metal surface of the loading box 573 with the contact layer 5754 to contact the sample, so that according to the higher strength and toughness of the kraft paper pad 5752, it can withstand the weight of the soil sample and the vibration during transportation, and its moisture-proof performance It can also effectively prevent the sample from getting damp. In addition, the kraft paper pad 5752 can also prevent the soil sample from being contaminated during transportation, ensuring the purity of the sample, thereby improving the stability of sample transportation. Then the outside of the kraft paper pad 5752 is covered by the metal frame 7522, so that the metal frame 7522 can determine the position of the assembly block 5753, so that the combination with the assembly block 5753 can improve the vertical connection effect with the loading box 573, and then the metal frame 7522 will use the inner wall clamping frame 7523 to fit and clamp the outside of the kraft paper pad 5752, thereby improving the connection effect between the kraft paper pad 5752 and the loading box 573. Finally, the pull groove 7521 opened by the metal frame 7522 allows the operator's fingers to be inserted.The combination with the pull groove 7521 can improve the vertical separation of the kraft paper pad 5752 from the inner position of the loading box 573. Example

[0042] Figures 6 and 7 As shown: The present invention provides a coalfield exploration sample classification and transfer box. Its structure includes: the power-on structure 1 is provided with an electrical connection plug-in block 11, which is vertically installed at the inner center of the support block 12 and the lower edge of the support block 12 is also connected to an extension plate 13 to position the output block 14 and the two groups of support blocks 12 are assembled through the position of the extension plate 13, and the spacing between them forms a clamping groove 15 for the bottom of the carrying box 2 to be embedded.

[0043] Among them, the electrical connection plugs 11 are provided in three groups in the support block 12 and are set in a vertical direction. There are two support blocks 12 arranged on the left and right sides of the extension plate 13, and the extension plate 13 is provided with power lines inside to electrically connect with the electrical connection plugs 11.

[0044] Among them, the support block 12 is also provided with a check plate 121, which is fixed to one end of the surface of the block 122 and limits the electrical connection plug 11. A slot 123 is opened at the other end of the block 122, and a vertical rail 124 is opened in the slot 123 area and the inner side of the block 122 to allow the electrical connection plug 11 to pass through. The side area of the block 122 is connected to the output connection block 125 to connect to the power circuit built into the extension plate 13 for power supply.

[0045] The restraining plate 121 and the block 122 are of the same shape, and the slot 123 of the block 122 is rectangular and has three vertical rails 124 built therein to allow the electrical connection plug 11 to pass through vertically.

[0046] Specific functions and operation procedures of this embodiment: In the present invention, the two groups of support blocks 12 of the power-on structure 1 can vertically limit the installation of the six groups of electrical connection plug-ins 11, and then distribute them on the left and right sides of the extension plate 13, and then form clamping grooves 15 according to the symmetrical spacing, so that the carrying box 2 can be embedded in the interior of the extension plate 13 through the clamping grooves 15 to be electrically connected with the output block 14, and then when the support block 12 carries the electrical connection plug-in block 11 and is inserted into the power-on position area of the transfer vehicle, it can be energized through the electrical connection plug-in block 11, and then the electrical energy can be input into the power-on line area of the extension plate 13, so that the output block 14 of the extension plate 13 can receive the electrical energy and then feed it back to the carrying box 2 to form a stable power-on effect, thereby supporting The block 122 of block 12 can limit the position of the electrical connection plug-in block 11 through the restraining plate 121 and the vertical rail 124 of the slot 123, so that it remains in a vertical state, so that after the slot 123 of the block 122 is inserted into the power-on part of the transfer vehicle for limiting, the electrical connection plug-in block 11 can be accurately inserted and powered on. At the same time, when the power is turned on, the output connection block 125 set on the side of the block 122 can guide the power supply to the power line position of the extension plate 13, so that the output block 14 can stably receive electrical energy for use. For this reason, the cooperation of various components can improve the use intensity of the classification transfer box and the protection intensity effect of the classification and transportation of samples.

[0047] Utilizing the technical solution of the present invention, or those skilled in the art designing similar technical solutions inspired by the technical solution of the present invention to achieve the above technical effects, all fall within the scope of protection of the present invention.

Claims

1. A coalfield exploration sample classification and transfer box, the structure of which includes: A power supply structure (1), a carrying box (2), a heat dissipation end (3), a control panel (4), and a novel loading structure (5), wherein the power supply structure (1) is installed at the lower end of the carrying box (2), and the side of the carrying box (2) and the heat dissipation end (3) are an integrated structure, the control panel (4) is arranged on the outer surface of the carrying box (2), and the novel loading structure (5) is vertically installed in the carrying box (2) and is electrically connected to the control panel (4) and the power supply structure (1), and is characterized in that: The novel loading structure (5) is provided with an electric plug (51), the electric plug (51) is installed at the lower end of the thermostatic box (52), and the edge of the thermostatic box (52) is connected to a slider (53), and the top is also provided with an airtight frame (54) and a top cover (55), and the center of the upper end of the top cover (55) is also connected to a pull block (56), and an independent loader (57) is provided on the surface of the thermostatic box (52); The independent loader (57) is further provided with a limit frame (571), a through slot (572) is opened in the center of the limit frame (571) to allow the loading box (573) to pass through, a label auxiliary block (574) is provided at the front end of the loading box (573) and a storage slot (575) is opened inside, and the loading box (573) is inserted into the interior of the constant temperature box (52) through the through slot (572) of the limit frame (571); By setting up two sets of new loading structures (5) in the carrying box (2), six types of samples can be loaded one by one using six sets of independent loaders (57) built into two sets of constant temperature boxes (52). At the same time, one set of constant temperature boxes (52) is equipped with three sets of independent loaders (57). Then, the independent loaders (57) load the samples through the loading box (573), and then use the label auxiliary block (574) at the front end to pull them in parallel and identify the sample type of the storage slot (575).

2. The coalfield exploration sample classification and transfer box according to claim 1, characterized in that: The power supply structure (1) positions the carrying box (2) vertically, and the heat dissipation end (3) of the carrying box (52) is distributed in the left and right directions to balance the temperature of the two sets of built-in new loading structures (5) on the left and right sides.

3. The coalfield exploration sample classification and transfer box according to claim 1, characterized in that: The power plug (51) is perpendicular to the bottom of the thermostat (52), and solid sliders (53) are connected to the left and right sides of the thermostat (52). The airtight frame (54) is made of rubber and coincides with the center of the top cover (55). The thermostat (52) is also equipped with three sets of independent loaders (57) and are separated from each other inside the thermostat (52).

4. The coalfield exploration sample classification and transfer box according to claim 1, characterized in that: The through slot (572) of the limiting frame (571) is hollow and matches the shape of the loading box (573). The label auxiliary block (574) at the front end of the loading box (573) is in a "concave" shape and the internal storage slot (575) is opened in a vertical direction.

5. The coalfield exploration sample classification and transfer box according to claim 1, characterized in that: A magnetic plate (5751) is further provided in the storage slot (575). The magnetic plate (5751) is provided at the lower end of the kraft paper pad (5752). An assembly block (5753) is connected to the edge of the kraft paper pad (5752). The kraft paper pad (5752) forms a "concave" shape and the inner wall forms a contact layer (5754). The magnetic plate (5751) covers the lower end surface of the kraft paper pad (5752). Four groups of solid rectangular assembly blocks (5753) are provided on the edge of the kraft paper pad (5752). The assembly blocks (5753) are vertically loaded into the loading box (573) to cover the inner wall of the storage slot (575).

6. The coalfield exploration sample classification and transfer box according to claim 5, characterized in that: A new groove (7521) is provided on the outside of the kraft paper pad (5752), and the groove (7521) is opened at the edge of the metal frame (7522). The inner wall of the metal frame (7522) is connected to a clamping frame (7523) to cover the edge of the kraft paper pad (5752); The pull groove (7521) is in a concave shape and the metal frame (7522) covers the outside of the kraft paper pad (5752) through the clamping frame (7523) and is then interlaced and fixedly connected with the assembly block (5753).

7. The coalfield exploration sample classification and transfer box according to claim 1, characterized in that: The power supply structure (1) is provided with an electrical connection plug (11), the electrical connection plug (11) is vertically mounted on the inner center of the support block (12), and the lower edge of the support block (12) is also connected to an extension plate (13) to position the output block (14), and the two groups of support blocks (12) are assembled through the position of the extension plate (13), and the spacing between them forms a clamping groove (15) to allow the bottom of the carrying box (2) to be embedded; The electrical connection plugs (11) are provided in three groups in the support block (12) and are arranged in a vertical orientation. The support block (12) is provided with two blocks arranged on the left and right sides of the extension plate (13), and the extension plate (13) is provided with a power line arranged inside to electrically connect with the electrical connection plugs (11).

8. The coalfield exploration sample classification and transfer box according to claim 7, characterized in that: The support block (12) is further provided with a restraining plate (121), which is fixed to one end of the surface of the block (122) and limits the electrical connection plug (11). A slot (123) is opened at the other end of the block (122), and a vertical rail (124) is opened in the slot (123) area and inside the block (122) to allow the electrical connection plug (11) to pass through. The side area of the block (122) is connected to an output connection block (125) and is connected to the power circuit built into the extension plate (13) for power supply. The restraining plate (121) and the block (122) are of the same shape, and the slot (123) of the block (122) is rectangular and has three vertical rails (124) built in to allow the electrical connection plug (11) to penetrate vertically.

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