CN110635319A - Positioning fixture and positioning method for terminal block for electrical equipment connection - Google Patents

Abstract

The invention relates to a positioning fixture for connecting terminal blocks for electrical equipment connection and a positioning method thereof. The positioning fixture includes a connecting plate, an expansion plate, an azimuth connecting column, a clamping plate and a clamping mechanism, and the connecting plate is open at the lower end. Hollow structure, sliders are set on the left and right inner walls of the connecting plate, the expansion plate is located in the connecting plate, the outer surface of the expansion plate is provided with a chute that slides and fits with the slider on the connecting plate, the left end of the azimuth connecting column passes through the bearing Installed on the right side of the middle part of the expansion plate, a clamping plate is installed on the right end of the azimuth connecting column, a square groove is arranged on the upper and lower ends of the clamping plate, and a clamping mechanism is installed on the clamping plate. The invention can position and lock the structure of the terminal row without damaging it, and has the advantages of good clamping stability, convenient clamping operation, etc., and the clamped terminal row is in a horizontal or vertical state, thereby improving the efficiency of the terminal block. row installation effect.

Description

Positioning fixture and positioning method for terminal block for electrical equipment connection

technical field

The invention relates to the technical field of electric component installation, in particular to a positioning fixture for connecting terminal blocks for connecting electrical equipment and a positioning method thereof.

Background technique

The terminal block is an insulating part that carries multiple or multiple sets of mutually insulated terminal assemblies. The terminal block can play a role in current, voltage or signal transmission; the terminal block is mostly used in the electrical cabinet, and the terminal block in the electrical cabinet needs to be positioned Installed in a specific position to prevent the installation of other components in the electrical cabinet, the terminal block can make the wiring in the electrical cabinet beautiful and easy to maintain.

The structure of the terminal block in the electrical cabinet is shown in Figure 8. The terminal block is locked in the electrical cabinet through the mounting bracket. The upper and lower ends of the terminal block are respectively provided with incoming and outgoing ports, and the money end of the terminal block is provided with grooves; When the terminal block is installed on both sides of the electrical cabinet, it is mostly installed vertically, that is, the installation frame is installed vertically on both sides of the electrical cabinet, and the terminal block in the middle of the electrical cabinet is mostly installed horizontally. When the terminal block is installed, its installation position cannot appear Deviation, otherwise it will affect the installation of other components. The current installation of the terminal block is generally carried out manually. The problems existing in the manual installation of the terminal block in the electrical cabinet are as follows:

The terminal block needs to be manually adjusted to its installation orientation, and the orientation of the terminal block cannot be adjusted manually, which affects the installation effect of the terminal block, and the installation of the terminal block requires multiple people to cooperate with the operation, which increases the labor load of the workers. There will be a certain deviation between the installation position and the design installation position during installation, so that the position of the terminal block needs to be frequently moved when other parts are installed in the electrical cabinet.

Contents of the invention

In order to solve the above problems, the present invention adopts the following technical solution, a positioning fixture for connecting terminal blocks for electrical equipment, including a connecting plate, an expansion plate, an azimuth connecting column, a clamping plate and a clamping mechanism, and the connecting plate is the lower end The hollow structure of the opening, sliders are arranged on the left and right inner walls of the connecting plate, the expansion plate is located in the connecting plate, the outer surface of the expansion plate is provided with a chute that slides and cooperates with the slider on the connecting plate, and the left end of the azimuth connecting column It is installed on the right side of the middle part of the telescopic plate through bearings, and a clamping plate is installed on the right end of the azimuth connecting column. A square groove is arranged on the upper and lower ends of the clamping plate, and a clamping mechanism is installed on the clamping plate. The holding mechanism can hold the terminal block, and the terminal block can be located in a proper position by adjusting the position of the telescopic plate in the connecting plate.

The clamping mechanism includes a clamping frame, a clamping spring, a clamping groove, a clamping plate, a clamping spring, a locking body and a limiting plate, and a clamping frame is distributed in each square groove of the clamping plate , the clamping frame is a U-shaped structure, and the left end of the clamping frame is installed in the square groove of the clamping plate through the clamping spring;

-The inner surface of the right end of the clamping frame is provided with a card slot with a chute on the right side wall, the outer end of the card position plate is located in the card slot, and the right side of the card position plate is provided with a slide on the card slot. Slot matching slider;

-The rear end of the clamping plate is installed on the rear side wall of the clamping groove through the clamping spring, the front end of the clamping plate is provided with a sliding rod, the sliding rod passes through the right front side wall of the clamping frame, and the The sliding rod plays a role of limiting the position of the locking body when it is adjusted, preventing the locking body from changing its position when it moves;

- The locking body is evenly installed on the inner end of the locking plate, the inner end of the locking body is a pointed structure, and the middle part of the locking body at the inner end of the locking plate is installed on a limiting plate. The structure of the terminal block clamps it, and the installation end of the terminal block is placed between the two clamping frames to the right. The locking body can automatically adjust its front and rear positions under the action of the locking spring, so that the locking body can be inserted into the In the incoming line port or the outgoing line port of the terminal block, the limit plate can limit the insertion depth of the locking body, so that the terminal block can be locked and the terminal block is in a horizontal state.

A V-shaped groove is provided on the top and the front side of the azimuth connecting column, and an azimuth inserting block is arranged in the V-shaped groove at the front end of the azimuth connecting column. The rear end of the azimuth inserting block is a V-shaped structure, and the azimuth inserting block The front side of the azimuth bullet is connected to the rear end of the azimuth bullet. The middle part of the azimuth bullet passes through the azimuth lever. The azimuth lever is installed on the right side of the telescopic plate. The azimuth bullet is an automatic rebound structure. During specific work, By manually pulling the azimuth bullet forward, the azimuth plug is moved out of the V-shaped groove of the azimuth connecting post, and then the azimuth connecting post is controlled to rotate forward 90 degrees, and the azimuth plug can be locked in the original V-shaped top of the azimuth connecting post. In the groove, the terminal row clamped by the clamping mechanism is in a vertical state at this time, so the orientation of the terminal row can be adjusted by manually pulling the orientation spring.

As a preferred technical solution of the present invention, the front and rear sides of the connecting plate are provided with slots, the slots of the connecting plate communicate with the hollow structure of the connecting plate, and the front and rear sides of the telescopic plate are provided with clamping blocks. The block is a triangular structure;

- There is a locking lever distributed in each slot of the connecting plate. The locking lever is an L-shaped structure. The inner side of the lower end of the locking lever is a triangular structure. The middle part of the locking lever is installed on the ear seat through the pin shaft, and the ear seat is installed on the connecting plate. The upper end of the locking rod is connected to the connecting plate through the locking spring. During specific work, the locking rod can be locked on the block, so that the position of the telescopic plate can be locked. When the position of the telescopic plate needs to be adjusted, manually lock it The upper end of the rod is pressed down, and then the telescopic plate is pulled to a suitable position, and then the locking rod is released, so that the locking rod is re-locked on the clamping block.

As a preferred technical solution of the present invention, a gear rack is installed on the front side of the connecting plate, the lower end of the gear rack is a telescopic structure, and the bottom surface of the gear rack is an arc surface, and the gear rack is located on the locking rod. When working, the gear frame can block the locking lever at the front end of the connecting plate, so that when the expansion plate is adjusted, the locking lever at the front end of the connecting plate can be pressed first, and then the connecting plate can be pressed down with one hand The locking lever at the rear end, while holding the telescopic plate with the other hand, can accurately adjust the position of the telescopic plate. This method of supporting the telescopic plate to adjust its position can adjust its position more intuitively. Adjusting the position of the telescopic plate more convenient.

As a preferred technical solution of the present invention, an unlocking frame of L-shaped structure is installed on the front side of each clamping frame, the inner side of the unlocking frame is an arc surface, and the inner end of each unlocking frame A push frame is evenly distributed, and the front end of the push frame is an outwardly inclined structure;

-The middle part of the push frame is installed on the unlocking ear seat through the pin shaft, and the unlocking ear seat is connected with the front side of the clamping plate. A positive spring is installed between the inclined structures of the two push frames, and the push frame is manually pressed inward , the rear end of the pushing frame can drive the unlocking frame to move upwards, so that the clamping frame can be opened, so as to lock the terminal block.

As a preferred technical solution of the present invention, a clamping plate is provided on the right side of the middle part of the clamping plate. bit.

As a preferred technical solution of the present invention, a scale is provided on the middle part of the left side of the telescopic plate, and the scale on the telescopic plate can accurately adjust the position of the telescopic plate.

As a preferred technical solution of the present invention, an adjustment column is connected to the top of the connecting plate, and a locking mechanism is installed on the top of the adjustment column through a bearing;

- The locking mechanism includes a mounting plate, a moving locking plate, a locking bolt and a locking lever. The mounting plate is an L-shaped structure, and a chute is provided on the right side of the upper end of the mounting plate. The method is connected with a mobile lock plate, and the bottom of the mobile lock plate is provided with rubber latches;

- The top of the moving lock plate is connected to the bottom of the locking bolt through bearings, the middle part of the locking bolt is threaded with the locking lever, the locking lever is installed on the upper end of the mounting plate, and the right end of the mounting plate is provided with a toothed plate, specifically When working, the locking mechanism can be locked on the top of the electrical cabinet, so that the present invention can use the top of the electrical cabinet as a fixed point to install the terminal block, and manually turn the locking bolt so that the moving lock plate is aligned with the locking tooth plate on the installation plate. Mates lock onto top of electrical cabinet.

As a preferred technical solution of the present invention, positioning grooves are arranged symmetrically on the outer surface of the adjustment column, positioning inserts are distributed in the positioning groove of the adjustment column, and the inserting column support plate is installed on the bottom of the mounting plate, and the positioning inserts The middle part of the column passes through the post support plate, and the positioning post is an automatic rebound structure. The position of the connecting plate can be adjusted by pulling the positioning post, so that the terminal block can be installed on the front or side of the electrical cabinet.

As a preferred technical solution of the present invention, the top of the locking lever is provided with a scale, and the rear end of the mounting plate is provided with a retractable scale. During specific work, the scale on the locking lever can determine the locking The distance between the mechanism and the locking lever, so that the position of the clamping mechanism can be determined, so that when the terminal block is installed on the side of the electrical cabinet, its left and right positions can be precisely adjusted.

In addition, the present invention provides a positioning method of a positioning fixture for connecting terminal blocks for electrical equipment, the steps of which are as follows:

Step 1: Clamping and locking: first place the locking mechanism on the upper end of the electrical cabinet, and determine the locking position of the locking mechanism through the scale on the locking lever and the scale on the mounting plate, and then manually turn the locking bolt to move The locking plate cooperates with the bayonet plate on the mounting plate and is locked on the top of the electrical cabinet, and the locking degree of the locking mechanism is checked manually;

Step 2: Adjust the clamping position of the terminal block: manually pull the positioning post and control the connecting plate to rotate 180 degrees, so that the clamping mechanism is located outside the cabinet, so that the terminal block can be clamped on the clamping mechanism, through the orientation The orientation adjustment of the connecting column enables the terminal block to be installed horizontally or vertically;

Step 3: Terminal block positioning: Manually press the push frame inward, the rear end of the push frame drives the clamping frame to open through the unlocking frame, and the terminal block is placed between the two clamping frames, and the clamping plate can be aligned with the terminal The groove at the front end of the row positions it;

Step 4: Terminal block locking: After the positioning of the terminal block is completed, release the pushing frame, and the clamping frame will return to the initial position. The locking body can automatically adjust its front and rear positions under the action of the locking spring, so that the locking body can be inserted into the terminal In the incoming line port or outgoing line port of the terminal block, manually shake the terminal block to determine the tightness of the terminal block locking, so that the terminal block can be locked and the terminal block is in a horizontal state;

Step 5: Terminal block height adjustment: Manually press the upper end of the locking lever, then pull the telescopic plate to a suitable position, and then release the locking lever, so that the locking lever is re-locked on the block, so that the terminal block can be positioned properly. the height of;

Step 6: Terminal block installation: After the height of the terminal block is adjusted, control the connecting plate to rotate to a suitable installation position, then control the terminal block to be locked in the electrical cabinet and release the clamping action on the terminal block, and then lock the locking mechanism in the Other locations on the electrical cabinet for continuous installation of terminal blocks.

The beneficial effects of the present invention are:

(1) A clamping mechanism for a terminal block proposed by the present invention, the clamping mechanism can position and lock the structure of the terminal block without damaging the terminal block, the clamping mechanism has good clamping stability, good clamping operation Convenient and other advantages, and the clamped terminal strip is in a horizontal or vertical state, thereby improving the installation effect of the terminal strip.

(2) The present invention proposes a clamping adjustment frame that can install the terminal block at different positions in the electrical cabinet. The adjustment frame can adjust the terminal block to be in a vertical or horizontal installation position, and the adjustment frame can also accurately adjust the terminal block The height and position of the installation increase the installation accuracy of the terminal block.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

Fig. 1 is a flow chart of terminal block installation and positioning of the present invention;

Fig. 2 is a structural representation of the present invention;

Fig. 3 is a schematic view of the structure between the connecting plate, telescopic plate, azimuth connecting column, clamping plate and clamping mechanism of the present invention (viewed from right to left);

Fig. 4 is a schematic diagram of the structure between the telescopic plate, the azimuth connecting column, the clamping plate and the clamping mechanism of the present invention;

Fig. 5 is a sectional view between the clamping plate and the clamping mechanism of the present invention;

Fig. 6 is a cross-sectional view between the clamping frame, the locking groove, the locking plate, the locking spring and the limiting plate of the present invention;

Fig. 7 is a schematic diagram of the structure between the connecting plate, the adjusting column and the mounting plate of the present invention;

Fig. 8 is a schematic structural diagram of a terminal block of the present invention;

Fig. 9 is the first installation mode of the terminal block of the present invention;

Figure 10 is the second installation method of the terminal block of the present invention;

Fig. 11 is the third installation mode of the terminal block of the present invention.

Detailed ways

In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific illustrations. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

As shown in Figures 1 to 11, a terminal row positioning fixture for connecting electrical equipment includes a connecting plate 1, a telescopic plate 2, an azimuth connecting column 3, a clamping plate 4 and a clamping mechanism 5, and the connecting plate 1 is a hollow structure with an open lower end, sliders are provided on the left and right inner walls of the connecting plate 1, the telescopic plate 2 is located inside the connecting plate 1, and the outer surface of the telescopic plate 2 is provided with a slider that slides and fits on the connecting plate 1 The chute, the left end of the azimuth connecting column 3 is installed on the right side of the middle part of the telescopic plate 2 through a bearing, the right end of the azimuth connecting column 3 is equipped with a clamping plate 4, and the upper and lower ends of the clamping plate 4 are provided with a square Groove, the clamping mechanism 5 is installed on the clamping plate 4, the clamping mechanism 5 can clamp the terminal row, by adjusting the position of the telescopic plate 2 in the connection plate 1, the terminal row is located in a suitable position.

The clamping mechanism 5 includes a clamping frame 51, a clamping spring 52, a clamping groove 53, a clamping plate 54, a clamping spring 55, a locking body 56 and a limiting plate 57, and each side of the clamping plate 4 A clamping frame 51 is evenly distributed in the groove, and the clamping frame 51 is a U-shaped structure, and the left end of the clamping frame 51 is installed in the square groove of the clamping plate 4 through a clamping spring 52;

- the inner side of the right end of the clamping frame 51 is provided with a card slot 53 with a chute on the right side wall, the outer end of the card position plate 54 is located in the card slot 53, and the right side of the card position plate 54 is provided with a card slot 53 with a card slot. The slide block that the chute on the bit groove 53 cooperates;

- the rear end of the clamping plate 54 is installed on the rear side wall of the clamping groove 53 through the clamping spring 55, the front end of the clamping plate 54 is provided with a sliding rod, and the sliding rod passes through the right front side wall of the clamping frame 51, The sliding rod on the locking plate 54 acts as a limiter when the locking body 56 is adjusted in position, preventing the locking body 56 from changing its position when it moves;

-The inner end of the locking plate 54 is evenly equipped with a locking body 56, the inner end of the locking body 56 is a pointed structure, and the middle part of the locking body 56 at the inner end of the locking plate 54 is installed on a limiting plate 57, during specific work , the clamping mechanism 5 can clamp it according to the structure of the terminal block, place the installation end of the terminal block facing right between the two clamping frames 51, and the locking body 56 can be automatically adjusted under the action of the locking spring 55 Its front and rear positions enable the locking body 56 to be inserted into the incoming or outgoing port of the terminal block, and the limit plate 57 can limit the insertion depth of the locking body 56, so that the terminal block can be locked and the terminal block is in the level state.

A V-shaped groove is provided on the top and the front side of the azimuth connecting column 3, and an azimuth plug 31 is arranged in the V-shaped groove at the front end of the azimuth connecting column 3, and the rear end of the azimuth plug 31 is a V-shaped structure. , the front side of the azimuth plug-in block 31 is connected with the rear end of the azimuth bullet 32, the middle part of the azimuth bullet 32 passes through the azimuth connecting pull 33, and the azimuth connecting pull 33 is installed on the right side of the telescopic plate 2, and the azimuth bullet 32 32 is an automatic rebound structure. By manually pulling the azimuth bullet 32 forward, the azimuth insert 31 is moved out from the V-shaped groove of the azimuth connecting column 3, and then the azimuth connecting column 3 is controlled to rotate forward by 90 degrees, and the azimuth insert 31 is moved forward. 31 can be locked in the V-shaped groove on the original top of the azimuth connecting column 3. At this time, the terminal row clamped by the clamping mechanism 5 is in a vertical state, so that the orientation of the terminal row can be adjusted by manually pulling the azimuth bullet 32.

The front and rear sides of the connecting plate 1 are provided with draw-in slots, the draw-in slots of the connecting plate 1 communicate with the hollow structure of the connecting plate 1, and the front and rear sides of the telescopic plate 2 are provided with clamping blocks 21, and the clamping blocks 21 are triangular structure;

- There is a locking bar 22 distributed in each draw-in slot of the connecting plate 1, the locking bar 22 has an L-shaped structure, the inner side of the lower end of the locking bar 22 is a triangular structure, and the middle part of the locking bar 22 is installed on the lug 23 through a pin shaft, The ear socket 23 is installed on the side of the connecting plate 1, and the upper end of the locking rod 22 is connected with the connecting plate 1 through the locking spring 24. The locking rod 22 can be locked on the block 21, so that the position of the telescopic plate 2 is locked. When the position of the plate 2 needs to be adjusted, the upper end of the locking lever 22 is manually pressed down, and then the telescopic plate 2 is pulled to a suitable position, and then the locking lever 22 is released, so that the locking lever 22 is locked on the block 21 again.

The front side of the connecting plate 1 is equipped with a gear frame 1a, the lower end of the gear frame 1a is a telescopic structure, and the bottom surface of the gear frame 1a is an arc surface, and the gear frame 1a is located directly above the locking rod 22. The gear frame 1a can block the locking lever 22 at the front end of the connecting plate 1, so that when the telescopic plate 2 is adjusted in position, the locking lever 22 at the front end of the connecting plate 1 can be pressed first, and then the connecting plate 1 can be pressed down with one hand. At the same time, the other hand supports the telescopic plate 2 to accurately adjust the position of the telescopic plate 2. This method of supporting the telescopic plate 2 to adjust its position can adjust its position more intuitively. Plate 2 position adjustment is more convenient.

An unlocking frame 511 of L-shaped structure is installed on the front side of each clamping frame 51. The inner side of the unlocking frame 511 is an arc surface, and the inner end of each unlocking frame 511 is distributed with a push frame. 512, the front end of the push frame 512 is an outwardly inclined structure;

- the middle part of the push frame 512 is installed on the unlocking ear seat 513 through the pin shaft, and the unlocking ear seat 513 is connected with the front side of the clamping plate 4, and the positive position spring 514 is installed between the inclined structures of the two push frames 512, manually Press the pushing frame 512 inward, and the rear end of the pushing frame 512 can drive the unlocking frame 511 to move upwards, so that the clamping frame 51 can be opened to lock the terminal block.

A clamping plate 4a is provided on the right side of the middle part of the clamping plate 4, and the right end of the clamping plate 4a is a pointed structure, and the clamping plate 4a can limit the groove for the front end of the terminal row.

The middle part of the left side of the telescopic plate 2 is provided with a scale, and the scale on the telescopic plate 2 can accurately adjust the position of the telescopic plate 2 .

An adjustment column 6 is connected to the top of the connecting plate 1, and a locking mechanism 7 is installed on the top of the adjustment column 6 through a bearing;

-The locking mechanism 7 includes a mounting plate 71, a moving locking plate 72, a locking bolt 73 and a locking lever 74, the mounting plate 71 is an L-shaped structure, and a chute is provided on the right side of the upper end of the mounting plate 71, and the mounting plate 71 The chute is connected with a mobile lock plate 72 by sliding fit, and the bottom of the mobile lock plate 72 is provided with rubber latches;

- The top of the moving lock plate 72 is connected to the bottom of the locking bolt 73 through a bearing, the middle part of the locking bolt 73 is threadedly matched with the locking lever 74, and the locking lever 74 is installed on the upper end of the mounting plate 71, and on the right end of the mounting plate 71 A bayonet plate is provided, and the locking mechanism 7 can be locked on the top of the electrical cabinet, so that the present invention can use the top of the electrical cabinet as a fixed point to install the terminal block, and manually turn the locking bolt 73 to move the locking plate 72 and the mounting plate The bayonet plate on the 71 is matched and locked on the top of the electric cabinet.

The outer surface of the adjustment column 6 is symmetrically provided with positioning grooves, and positioning inserts 6a are distributed in the positioning grooves of the adjustment column 6, and the inserting column support plate 6b is installed on the bottom of the mounting plate 71, and the middle part of the positioning inserting columns 6a passes through. Through the post support plate 6b, the positioning post 6a is an automatic rebound structure, and the position of the connecting plate 1 can be adjusted by pulling the positioning post 6a, so that the terminal block can be installed on the front or side of the electrical cabinet.

The top of the locking lever 74 is provided with a scale, and the rear end of the mounting plate 71 is provided with a retractable scale. The scale on the locking lever 74 can determine the distance between the locking mechanism 7 and the locking lever 74. , so that the position of the clamping mechanism 5 can be determined, so that when the terminal block is installed on the side of the electrical cabinet, its left and right positions can be precisely adjusted.

In addition, the present invention provides a positioning method of a positioning fixture for connecting terminal blocks for electrical equipment, the steps of which are as follows:

Step 1: Clamping and locking: first place the locking mechanism 7 on the upper end of the electrical cabinet, the locking position of the locking mechanism 7 can be determined by the scale on the locking lever 74 and the scale on the mounting plate 71, and then manually twist Locking bolt 73, moving lock plate 72 is locked on the top of electric cabinet in cooperation with the bayonet plate on the mounting plate 71, and the degree of locking of locking mechanism 7 is manually checked;

Step 2: Adjust the clamping orientation of the terminal block: manually pull the positioning post 6a and control the connecting plate 1 to rotate 180 degrees, so that the clamping mechanism 5 is located outside the cabinet, so that the terminal block can be clamped on the clamping mechanism 5 Above, through the adjustment of the orientation of the orientation connecting column 3, the terminal row can be installed in a horizontal or vertical position;

Step 3: Positioning of the terminal block: Manually press the pushing frame 512 inward, the rear end of the pushing frame 512 drives the clamping frame 51 to open through the unlocking frame 511, and the terminal block is placed between the two clamping frames 51, The clamping plate 4a can be positioned against the groove at the front end of the terminal block;

Step 4: Terminal row locking: After the positioning of the terminal row is completed, release the pushing frame 512, and the clamping frame 51 will return to the initial position, and the locking body 56 can automatically adjust its front and rear positions under the action of the locking spring 55, so that the locking body 56 can be inserted into the inlet port or outlet port of the terminal block, and the terminal block is manually shaken to determine the tightness of the terminal block locking, so that the terminal block can be locked and the terminal block is in a horizontal state;

Step 5: Terminal row height adjustment: Manually press the upper end of the locking lever 22, then pull the telescopic plate 2 to a suitable position, and then release the locking lever 22, so that the locking lever 22 is re-locked on the block 21, thereby The terminal strip can be located at a suitable height;

Step 6: Terminal block installation: After the height of the terminal block is adjusted, control the connection plate 1 to rotate to a suitable installation position, then control the terminal block to be locked in the electrical cabinet and release the clamping action on the terminal block, and then lock the locking mechanism 7 Locks to other positions on the electrical cabinet for continuous installation of terminal blocks.

The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments, and the descriptions in the above-mentioned embodiments and the specification only illustrate the principles of the present invention, and without departing from the spirit and scope of the present invention, the present invention will also There are various changes and improvements which fall within the scope of the claimed invention. The protection scope of the present invention is defined by the appended claims and their equivalents.

Claims (10)

1. A terminal block positioning fixture for connecting electrical equipment, characterized in that it includes a connecting plate (1), a telescopic plate (2), an azimuth connecting column (3), a clamping plate (4) and a clamping mechanism (5 ), the connecting plate (1) is a hollow structure with an open lower end, sliders are arranged on the left and right inner walls of the connecting plate (1), the telescopic plate (2) is located in the connecting plate (1), and the telescopic plate (2 ) is provided with a chute that slides with the slider on the connecting plate (1), and the left end of the azimuth connecting column (3) is installed on the middle right side of the telescopic plate (2) through a bearing, and the azimuth connecting column ( A clamping plate (4) is installed on the right end of 3), and a square groove is arranged at both upper and lower ends of the clamping plate (4), and a clamping mechanism (5) is installed on the clamping plate (4); wherein: The clamping mechanism (5) includes a clamping frame (51), a clamping spring (52), a clamping groove (53), a clamping plate (54), a clamping spring (55), a locking body (56) And limit plate (57), all is distributed with a clamping frame (51) in each square groove of clamping plate (4), and clamping frame (51) is U-shaped structure, and the left end of clamping frame (51) Installed in the square groove of the clamping plate (4) through the clamping spring (52); -The inner surface of the right end of the clamping frame (51) is provided with a slot (53) with a chute on the right side wall, and the outer end of the slot plate (54) is located in the slot (53), and the slot plate ( The right side of 54) is provided with the slide block that cooperates with the chute on the locking groove (53); -The rear end of the clamping plate (54) is installed on the rear side wall of the clamping groove (53) through the clamping spring (55), and the front end of the clamping plate (54) is provided with a sliding rod, which passes through the clamping The right end front side wall of frame (51); -The inner end of the locking plate (54) is evenly equipped with a locking body (56), the inner end of the locking body (56) is a pointed structure, and the middle part of the locking body (56) at the inner end of the locking plate (54) is installed on the On a limiting plate (57); A V-shaped groove is provided on the top and the front side of the azimuth connecting column (3), and an azimuth insert (31) is arranged in the V-shaped groove at the front end of the azimuth connecting column (3). ) is a V-shaped structure, the front side of the azimuth insert (31) is connected with the rear end of the azimuth bullet (32), and the middle part of the azimuth bullet (32) passes through the azimuth connecting pull (33), and the azimuth connecting Pull (33) is installed on the right side face of telescopic plate (2), and azimuth bullet post (32) is an automatic rebound structure. 2. A positioning fixture for connecting terminal blocks for electrical equipment according to claim 1, characterized in that: the front and rear sides of the connecting plate (1) are provided with slots, and the slots of the connecting plate (1) It communicates with the hollow structure of the connecting plate (1), and the front and rear sides of the telescopic plate (2) are provided with clamping blocks (21), and the clamping blocks (21) are triangular structures; - A locking lever (22) is distributed in each slot of the connecting plate (1). The locking lever (22) has an L-shaped structure. The inner side of the lower end of the locking lever (22) is a triangular structure. Be installed on the lug (23) by bearing pin, lug (23) is installed on the side of connecting plate (1), the upper end of locking bar (22) is connected with connecting plate (1) by locking spring (24). 3. A positioning fixture for connecting terminal blocks for electrical equipment according to claim 2, characterized in that: a gear rack (1a) is installed on the front side of the connecting plate (1), and the gear rack (1a ) is a telescopic structure, and the bottom surface of the gear frame (1a) is an arc surface, and the gear frame (1a) is located directly above the locking rod (22). 4. A positioning fixture for connecting terminal blocks for electrical equipment according to claim 1, characterized in that: an L-shaped unlocking frame is installed on the front side of each clamping frame (51) (511), the inner surface of the unlocking frame (511) is an arc surface, and the inner end of each unlocking frame (511) is distributed with a pushing frame (512), and the front end of the pushing frame (512) is an outwardly inclined structure; -The middle part of the push frame (512) is installed on the unlocking ear seat (513) through the pin shaft, and the unlocking ear seat (513) is connected with the front side of the clamping plate (4), the inclined structure of the two push frames (512) Positive bullet (514) is installed between. 5. A positioning fixture for connecting terminal blocks for electrical equipment according to claim 1, characterized in that: a clamping plate (4a) is provided on the right side of the middle part of the clamping plate (4), and the clamping plate (4a) The right end of (4a) is a pointed structure. 6 . The positioning fixture for connecting terminal blocks for electrical equipment according to claim 1 , wherein a scale is provided on the middle part of the left side of the telescopic plate ( 2 ). 7 . 7. A positioning fixture for connecting terminal blocks for electrical equipment according to claim 1, characterized in that: the top of the connecting plate (1) is connected with an adjustment column (6), and the adjustment column (6) A locking mechanism (7) is installed on the top through a bearing; -The locking mechanism (7) includes a mounting plate (71), a moving locking plate (72), a locking bolt (73) and a locking lever (74), the mounting plate (71) is an L-shaped structure, and the mounting plate (71 ) is provided with a chute on the right side of the upper end, the chute of the mounting plate (71) is connected with a mobile lock plate (72) by a sliding fit, and the bottom of the mobile lock plate (72) is provided with rubber latches; - The top of the moving lock plate (72) is connected to the bottom of the locking bolt (73) through bearings, the middle part of the locking bolt (73) is threaded with the locking lever (74), and the locking lever (74) is installed on the mounting plate The upper end of (71), the right end of mounting plate (71) is provided with latch plate. 8. A positioning fixture for connecting terminal blocks for electrical equipment according to claim 7, characterized in that: the outer surface of the adjustment column (6) is symmetrically provided with positioning grooves, and the positioning grooves of the adjustment column (6) Positioning posts (6a) are distributed inside, and the post support plate (6b) is installed on the bottom of the mounting plate (71), the middle part of the positioning post (6a) passes through the post support plate (6b), and the positioning post ( 6a) is an automatic rebound structure. 9. A terminal block positioning fixture for connecting electrical equipment according to claim 7, characterized in that: the top of the locking lever (74) is provided with a scale, and the rear end of the mounting plate (71) is provided with a scale. Set with retractable scale. 10. A terminal block positioning fixture for connecting electrical equipment according to any one of claims 1-9, characterized in that: the positioning method when the terminal block is installed is as follows: Step 1: Clamping and locking: first place the locking mechanism (7) at a suitable position on the upper end of the electrical cabinet, then manually turn the locking bolt (73) to move the locking plate (72) and the mounting plate (71) The locking tooth plate is matched and locked on the top of the electrical cabinet, and the locking degree of the locking mechanism (7) is manually checked; Step 2: Adjust the clamping position of the terminal block: manually pull the positioning post (6a) and control the connecting plate (1) to rotate 180 degrees, so that the clamping mechanism (5) is located outside the cabinet, so that the clamping of the terminal block Hold, through the orientation adjustment of the orientation connecting column (3), the terminal block can be in the horizontal or vertical installation state; Step 3: Terminal block positioning: Manually press down the pushing frame (512), the rear end of the pushing frame (512) drives the clamping frame (51) to open through the unlocking frame (511), and the terminal block is placed on the two Between the clamping frames (51), the clamping plate (4a) can be positioned against the groove at the front end of the terminal block; Step 4: Terminal block locking: After the positioning of the terminal block is completed, release the push frame (512), and the locking body (56) can automatically adjust its front and rear positions under the action of the locking spring (55), so that the locking body (56) can Insert it into the incoming line port or outgoing line port of the terminal block, and manually shake the terminal block to determine the tightness of the terminal block locking; Step 5: Terminal row height adjustment: Manually press the upper end of the locking lever (22), then pull the telescopic plate (2) to a proper position, and then control the locking lever (22) to lock on the block (21) again , so that the terminal row can be located at a suitable height; Step 6: Terminal block installation: After the height of the terminal block is adjusted, control the connecting plate (1) to rotate to a suitable installation position, then control the terminal block to be locked in the electrical cabinet and release the clamping action on the terminal block, and then lock the terminal block The mechanism (7) is locked to other positions on the electrical cabinet for continuous installation of terminal blocks.

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