Multi-station linkage device for mechanical life test of direct current contactor

Abstract

The application provides a multi-station linkage device for mechanical life test of a direct-current contactor, and relates to the technical field of detection equipment. The device comprises a bearing assembly, a clamping frame is fixed at the middle of the front end of the bearing assembly, a contactor device is clamped and installed on the clamping frame, the position of a contact assembly is adjusted according to the contact point position of the contactor device after the contactor device is installed on the clamping frame, the sliding position of an expansion assembly is adjusted at the same time, the bottom of the contact assembly is made to contact the contact point of the contactor device, the connecting assembly is clamped and fixed between the upper and lower expansion assemblies, the trigger assembly can be adjusted to a specified position at this time, the bearing assembly makes the whole convenient array arrangement, the transmission rods of the trigger assemblies can be connected with each other, and the multi-station linkage use is facilitated. The device solves the problem that the detection equipment cannot be applied to detection of any batch, the equipment can only be controlled in a single group or a double group, synchronous control cannot be realized, and the detection efficiency is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of detection equipment, in particular to a multi-station linkage device for mechanical life testing of DC contactors. BACKGROUND

[0002] With the continuous development of science and technology, the use of various mechanical equipment in life has begun to increase, and the transmission part of the mechanical equipment is mostly driven by a relatively accurate stepping motor, and the stepping motor needs to be controlled by a controller to ensure that the motor travel distance and whether it is overloaded and overheated are recorded and detected, and the mechanical equipment will have control over the stroke and the limit distance. For this type of material or motor control circuit, a DC contactor is also an indispensable part. Compared with an AC contactor, a DC contactor has smaller voltage and less burning phenomenon, and has more external protection structures, and the service life of the electrical part structure is well guaranteed, but the mechanical contact transmission part will inevitably be abnormal after a long time of movement, causing abnormal transmission of electrical signals and causing unnecessary equipment failure.

[0003] Usually, before such a DC contactor is shipped, part of it will be selected for mechanical performance detection, but because the batches of DC contactors are different, simple detection equipment cannot be used for detection of any batch, and when multiple DC contactors need to be detected, only single or double sets of control can be achieved, and all detection equipment cannot be controlled synchronously, resulting in a problem of reduced detection efficiency. SUMMARY

[0004] In view of the deficiencies of the prior art, the present application provides a multi-station linkage device for mechanical life testing of DC contactors. First, select a clamping frame according to different contactor equipment, fix the clamping frame through a fixing block, install the contactor equipment on the clamping frame, adjust the position of the contact assembly on the expansion assembly corresponding to the contact point position of the contactor equipment, and adjust the sliding position of the expansion assembly. Let the bottom of the contact assembly contact the contact point of the contactor equipment, then clamp the connecting assembly between the upper and lower expansion assemblies to fix it, and then adjust the trigger assembly to the specified position. The bearing assembly allows the overall array to be arranged conveniently, the transmission rods of the trigger assemblies can be connected to each other, and the multi-station linkage is convenient to use, solving the problem that the existing detection equipment cannot be used for detection of any batch, the equipment can only be controlled in single or double sets, and synchronous control cannot be achieved, resulting in reduced detection efficiency.

[0005] The application provides a multi-station linkage device for mechanical life test of a direct current contactor, which specifically comprises: a bearing assembly; a clamping frame fixed at the middle of the front end of the bearing assembly, a contactor device clamped and installed on the clamping frame, an expansion assembly hingedly installed at the upper and lower positions of the bearing assembly, a contact assembly installed at the bottom of the expansion assembly towards the position of the contactor device, the contact assembly in contact with the contactor device at the end position, a display assembly installed at the front end of the expansion assembly, the display assembly connected with the contact assembly of the expansion assembly, a connecting assembly connected at the outer end of the expansion assembly, a trigger assembly slidingly installed on the connecting assembly, the trigger assembly in contact with the contactor device at the inner end position.

[0006] Further, four groups of plate holes are arranged on the bearing plate of the bearing assembly, connecting blocks are arranged at the left and right sides of the bearing plate, the left and right connecting blocks of the bearing plate correspond to each other, a fixing block is installed at the middle of the bearing plate, the rear side of the fixing block is arranged in a convex shape, the front end of the fixing block is arranged in a waist-round shape, the fixing block is arranged in a rotating manner as a whole, and springs are additionally installed at the installation positions of the fixing block.

[0007] Further, the expansion plate of the expansion assembly is hingedly installed at the upper and lower ends of the bearing assembly, bottom support plates are arranged at the root positions of the expansion plate, the bottom support plates are perpendicular to the expansion plate, an outer sliding frame is slidingly installed on the expansion plate, springs are additionally installed at the sliding installation positions of the outer sliding frame, and a fixing pin is screwed on the outer sliding frame.

[0008] Further, the sliding blocks of the contact assembly are slidingly installed at the inner end face of the expansion assembly, connecting rods are connected and installed on the sliding blocks, the connecting rods at the end positions of the symmetrical sliding blocks are connected with a connecting plate, a jackscrew is installed at the sliding block, a synchronous wheel is additionally installed at the outer end of the connecting position of the connecting plate and the connecting rod, a contact rod is slidingly installed on the connecting plate, and springs are additionally installed between the contact rod and the connecting plate.

[0009] Further, the outer connecting frame of the display assembly is fixed at the front end position of the expansion assembly, display heads are arranged at the outer ends of the positions of the contact assembly on the outer connecting frame, springs are arranged at the inner ends of the display head positions of the outer connecting frame, and the springs are in contact with the contact assembly.

[0010] Further, the connecting frame of the connecting assembly is hingedly installed at the end of the top expansion assembly, the connecting frame is arranged in a frame shape as a whole, clamping buckles are hingedly installed at the bottom ends of the connecting frame, and the clamping buckles are clamped at the two end positions of the bottom expansion assembly.

[0011] Further, the outer sliding block of the trigger assembly is provided with a sliding groove at both ends, the outer sliding block is slidingly installed on the connecting assembly through the sliding groove, the outer sliding block is provided with a positioning hole at both ends, a bolt is installed at the positioning hole, a trigger block is slidingly installed on the outer sliding block, a transmission rod is transversely slidingly installed at the upper and lower end positions of the trigger block on the outer sliding block, the transmission rod is perpendicular to the trigger block, the contact position of the trigger block and the transmission rod is provided with an inclined groove structure, and a connecting pin is additionally installed at the left and right connecting positions of the transmission rod.

[0012] The application provides a multi-station linkage device for mechanical life testing of a direct current contactor, and has the following beneficial effects:

[0013] Before the contactor device is installed, the specified clamping frame is used according to the batch of the contactor device, the clamping frame is fixed through the fixing block of the bearing assembly, at this time, the contactor device can be fixed and installed through the clamping frame, the expansion assembly is slid forward and backward, so that the contact assembly at the bottom of the expansion assembly can correspond to the contact position of the contactor device, and the position of the contact assembly in the expansion assembly needs to be adjusted, so that the contact assembly at the bottom can contact the contact point of the contactor device after the expansion assembly is swung, at this time, the connecting assembly at the outer end of the top expansion assembly is buckled, the connecting assembly is connected and fixed to the upper and lower two expansion assemblies, at this time, the trigger assembly at the connecting assembly is slidingly adjusted, the trigger block at the trigger assembly can correspond to the mechanical trigger position of the contactor device, the external transmission rod is externally driven, so that the contactor device is mechanically triggered after the trigger assembly is driven, and the display assembly is installed at the front end of each expansion assembly, the display assembly can display the on-off condition, after the contactor device is triggered by the trigger assembly, the mechanical detection effect of the contactor device is realized by displaying the condition of the display assembly, when the device as a whole is detected in multiple groups, the bearing assemblies are connected to each other left and right, and the ends of the adjacent transmission rods are connected through the connecting pins, so that a single power equipment can control multiple transmission rods, and the simultaneous transmission detection effect of the contactor device is realized.

[0014] In addition, in order to enable the device to be used in multiple groups at the same time, the left and right end positions of the bearing plate are provided with connecting blocks, the bearing plate is connected to each other left and right through the connecting blocks, at this time, the bearing assembly as a whole and the equipment can form an array arrangement structure, so that the simultaneous detection effect of multiple contactor devices is realized, the middle position of the bearing plate is rotatably installed with a fixing block, the front end of the fixing block is provided in a waist-round shape, the rear side of the fixing block is provided in a protruding shape, and the fixing block is provided with a spring, at this time, the fixing block can be pressed from the rear side, so that the front end of the fixing block can be stretched out, at this time, the front end of the fixing block corresponds to the slot of the contactor device, and then the front end of the fixing block is rotated and loosened, so that the fixing block can fix the clamping frame on the bearing assembly for use.

[0015] Furthermore, the first expansion plate is arranged to be hingedly mounted at the upper and lower end positions of the bearing assembly, and a vertical bottom support plate is arranged at the root of the expansion plate, so that after the expansion plate is placed at the upper and lower end positions of the contactor device, the bottom support plate can assist in supporting the expansion plate to ensure the horizontal state of the expansion plate is stable, and an outer sliding frame is slidingly mounted at the outer end of the expansion plate, so that the outer sliding frame can assist in expanding the overall range of the expansion assembly, and the fixing pin of the outer sliding frame can fix the position to ensure that after the outer sliding frame slides to the specified position, the fixing pin can fix the outer sliding frame.

[0016] Furthermore, the sliding block is directly slidingly mounted on the expansion assembly, and the connecting rod is connected and mounted on the sliding block, and the ends of the connecting rods on the symmetrical sliding blocks are connected with the connecting plate, so that the connecting rod slides through the sliding block, so that the connecting plate has the effect of stretching and retracting, and the synchronous wheel is mounted at the outer end of the connecting position of the connecting rod on the connecting plate, so that the synchronous wheel can make the connecting rod oscillate synchronously, and the contact rod is slidingly mounted on the connecting plate, and a spring is additionally arranged between the contact rod and the connecting plate, so that after the contact rod contacts the contact point of the contactor device, the contact rod can always be pushed towards the contactor device by the elastic force, to ensure the contact effect of the contact assembly and the contactor device.

[0017] Furthermore, the contact assembly is usually externally connected to a power supply for use, so that the bottom contact assembly is externally connected to a power supply, and at this time the display head outside the contact assembly can be lit, and after the contact assembly contacts the contactor device, the top of the contactor device simultaneously contacts the contact assembly, so that the display head outside the top contact assembly is lit, triggering the trigger part of the contactor device, so as to realize the detection and display effect of the contactor device.

[0018] Furthermore, the outer sliding block is directly slidingly mounted on the connecting assembly through the sliding groove, and the outer sliding block is provided with a positioning hole at both ends, and a bolt can be screwed into the positioning hole, so that after the outer sliding block is adjusted to the specified position, the bolt in the positioning hole is tightened to fix the position of the outer sliding block, so that the assembly of the outer sliding block realizes the contact effect on the trigger part of the contactor device, the trigger block is directly slidingly mounted on the outer sliding block, and a horizontal transmission rod is slidingly mounted on the trigger block, the contact part of the transmission rod and the trigger block is arranged in a inclined groove shape, so that the transmission rod can drive the trigger block, so that the trigger block triggers the contactor device, and a connecting pin is mounted at both ends of the transmission rod, so that adjacent transmission rods can be connected with each other through the connecting pin, which is convenient for subsequent multi-station detection. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings of the embodiments.

[0020] The drawings described in the following description only relate to some embodiments of the present application, and are not a limitation of the present application.

[0021] In the drawings:

[0022] Figure 1 The overall structural schematic diagram of the present application is shown;

[0023] Figure 2 The schematic diagram of the trigger assembly structure of the present application is shown;

[0024] Figure 3 The schematic diagram of the connection assembly structure of the present application is shown;

[0025] Figure 4 The schematic diagram of the expansion assembly structure of the present application is shown;

[0026] Figure 5 The schematic diagram of the bearing assembly structure of the present application is shown;

[0027] Figure 6 The schematic diagram of the display assembly structure of the present application is shown;

[0028] Figure 7 The schematic diagram of the contact assembly structure of the present application is shown;

[0029] Figure 8 The schematic diagram of the Figure 5 The schematic diagram of the partial enlarged structure at A in the figure is shown;

[0030] List of reference signs

[0031] 1. Bearing assembly; 101. Bearing plate; 102. Connection block; 103. Plate hole; 104. Fixed block;

[0032] 2. Expansion assembly; 201. Expansion plate; 202. Bottom support plate; 203. Outer slide; 204. Fixed pin;

[0033] 3. Contact assembly; 301. Sliding block; 302. Connection rod; 303. Connection plate; 304. Synchronous wheel; 305. Contact rod; 306. Jack screw;

[0034] 4. Display assembly; 401. External bracket; 402. Display head;

[0035] 5. Connection assembly; 501. Connection bracket; 502. Clamping buckle;

[0036] 6. Trigger assembly; 601. Outer sliding block; 602. Positioning hole; 603. Trigger block; 604. Transmission rod; 605. Connection pin;

[0037] 7. Contactor device;

[0038] 8. Clamping bracket. DETAILED DESCRIPTION

[0039] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the described embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0040] Example 1: Please refer to Figures 1 to 8 :

[0041] This invention proposes a multi-station linkage device for testing the mechanical life of DC contactors, comprising: a support component 1; a snap-fit ​​bracket 8 fixed at the middle of the front end of the support component 1, on which a contactor device 7 is snap-fitted; an extension component 2 hinged at the upper and lower positions of the support component 1; a contact component 3 installed at the bottom of the extension component 2 facing the contactor device 7, with the end of the contact component 3 in contact with the contactor device 7; a display component 4 installed at the front end of the extension component 2, connected to the contact component 3 of the extension component 2; a connecting component 5 connected to the outer end of the extension component 2; a trigger component 6 slidably installed on the connecting component 5, with the inner end of the trigger component 6 in contact with the contactor device 7.

[0042] Among them, such as Figure 5 Figure 8 As shown, the support plate 101 of the support assembly 1 has four sets of plate holes 103. Connecting blocks 102 are provided on both the left and right sides of the support plate 101, and the positions of the left and right connecting blocks 102 correspond to each other. To allow multiple sets of devices to be used simultaneously, connecting blocks 102 are directly provided at both ends of the support plate 101, and the support plate 101 is interconnected left and right through the connecting blocks 102. This allows the support assembly 1 and the equipment to form an array structure, thereby achieving simultaneous detection of multiple sets of contactor devices 7. A fixing block 104 is installed in the middle of the support plate 101, and the rear side of the fixing block 104 is designed as a protrusion. The front end of the fixing block 104 is set in an oval shape. The fixing block 104 is designed for rotational installation. Springs are installed at the installation positions of the fixing block 104. The fixing block 104 is directly rotated and installed in the middle of the support plate 101. The front end of the fixing block 104 is oval, and the rear side of the fixing block 104 is convex. The fixing block 104 is also equipped with springs. At this time, the fixing block 104 can be pressed from the rear side to allow the front end of the fixing block 104 to extend. Then, the front end of the fixing block 104 is aligned with the slot of the contactor device 7. Then, the front end of the fixing block 104 is rotated and released to fix the snap-fit ​​bracket 8 to the support assembly 1 for use.

[0043] Among them, such asFigure 3 Figure 6 As shown, the expansion plate 201 of the expansion component 2 is hinged to the upper and lower ends of the bearing component 1. A bottom support plate 202 is provided at the base of the expansion plate 201, perpendicular to the expansion plate 201. An outer slide bracket 203 is slidably mounted on the expansion plate 201, with a spring installed at the sliding position of the outer slide bracket 203. A fixing pin 204 is screwed onto the outer slide bracket 203. The expansion plate 201 is hinged to the upper and lower ends of the bearing component 1, and a vertical bottom support is provided at the base of the expansion plate 201. Plate 202, after the expansion plate 201 is placed at the upper and lower ends of the contactor device 7, the bottom support plate 202 assists in supporting the expansion plate 201 to ensure the horizontal stability of the expansion plate 201. The outer slide 203 is slidably installed at the outer end of the expansion plate 201, so that the outer slide 203 can assist in expanding the overall range of the expansion component 2. The fixing pin 204 of the outer slide 203 can fix the position, so that after the outer slide 203 slides to the designated position, the fixing pin 204 fixes the outer slide 203.

[0044] Among them, such as Figure 6 Figure 7 As shown, the sliding block 301 of the contact component 3 is slidably installed on the inner end face of the expansion component 2. A connecting rod 302 is connected and installed on the sliding block 301. The ends of the connecting rods 302 on the symmetrical sliding blocks 301 are connected to the connecting plate 303. A set screw 306 is installed at the sliding block 301. The sliding block 301 is directly slidably installed on the expansion component 2. The connecting rod 302 is connected and installed on the sliding block 301. The ends of the connecting rods 302 on the symmetrical sliding blocks 301 are all connected to the connecting plate 303, so that the connecting rods 302 slide through the sliding block 301, so that the connecting plate 303 has a telescopic effect. A synchronous wheel 304 is installed at the outer end of the connection, enabling the connecting rod 302 to swing synchronously. A synchronous wheel 304 is added to the outer end of the connection between the connecting plate 303 and the connecting rod 302. A contact rod 305 is slidably installed on the connecting plate 303. A spring is added between the contact rod 305 and the connecting plate 303. The contact rod 305 is slidably installed on the connecting plate 303, and a spring is added between the contact rod 305 and the connecting plate 303. After the contact rod 305 makes contact with the contactor device 7, the contact rod 305 can always push against the contactor device 7 through the elastic force, ensuring the contact effect between the contact component 3 and the contactor device 7.

[0045] Among them, such as Figure 4 Figure 6As shown, the outer frame 401 of the display assembly 4 is fixed at the front end of the expansion assembly 2, and the display head 402 is arranged at the outer end of the position corresponding to the contact assembly 3 on the outer frame 401. The inner end of the display head 402 of the outer frame 401 is provided with a spring, and the spring is in contact with the contact assembly 3. Usually, the contact assembly 3 is used by connecting an external power supply, so that the bottom contact assembly 3 is connected to the external power supply. At this time, the display head 402 outside the contact assembly 3 can be turned on. When the contact assembly 3 is in contact with the contactor device 7, the top of the contactor device 7 is in contact with the contact assembly 3, and the outer end of the display head 402 of the top contact assembly 3 is turned on, triggering the trigger part of the contactor device 7, and the detection and display of the contactor device 7 can be realized.

[0046] As shown in the figure, Figure 2 Figure 3 As shown, the connecting frame 501 of the connecting assembly 5 is hingedly installed at the end of the top expansion assembly 2, and the connecting frame 501 is provided in the shape of a frame. The connecting frame 501 is hingedly installed with a clamping buckle 502 at both ends of the bottom of the expansion assembly 2. The clamping buckle 502 is clamped at both ends of the bottom expansion assembly 2. In use, in order to better fix the upper and lower expansion assemblies 2, the connecting frame 501 is hingedly installed at the top expansion assembly 2, and the left and right sides of the end of the connecting frame 501 are hingedly installed with the clamping buckles 502. By pressing the clamping buckles 502 of the connecting frame 501, the clamping buckles 502 can be conveniently clamped and fixed at the bottom expansion assembly 2.

[0047] As shown in the figure, Figure 1 Figure 2As shown, the outer slide block 601 of the trigger assembly 6 is provided with a sliding groove at both ends, the outer slide block 601 is slidably installed on the connecting assembly 5 through the sliding groove, and the outer slide block 601 is provided with a positioning hole 602 at both ends, and a bolt is installed at the positioning hole 602. Directly let the outer slide block 601 be slidably installed on the connecting assembly 5 through the sliding groove, and the outer slide block 601 is provided with a positioning hole 602 at both ends, and a bolt is installed at the positioning hole 602. After the outer slide block 601 is adjusted to the specified position, the bolt of the positioning hole 602 is tightened to fix the position of the outer slide block 601, the assembly of the outer slide block 601 realizes the contact effect of the trigger part of the contactor device 7, the trigger block 603 is slidably installed on the outer slide block 601, the trigger block 603 is slidably installed on the upper and lower ends of the outer slide block 601, and the transmission rod 604 is transversely slidably installed on the trigger block 603. The transmission rod 604 is perpendicular to the trigger block 603, the contact position of the trigger block 603 and the transmission rod 604 is provided with an inclined groove structure, and the connecting pin 605 is additionally installed at the left and right connecting positions of the transmission rod 604. The trigger block 603 is directly slidably installed on the outer slide block 601, and the trigger block 603 is slidably installed on the horizontal transmission rod 604, the transmission rod 604 directly contacts the trigger block 603, the contact part of the transmission rod 604 and the trigger block 603 is provided as an inclined groove, the transmission rod 604 realizes the transmission effect of the trigger block 603 through sliding, so that the trigger block 603 triggers the contactor device 7, and the connecting pin 605 is installed at both ends of the transmission rod 604. The adjacent transmission rods 604 can be connected with each other through the connecting pin 605, which is convenient for subsequent multi-station detection.

[0048] The working principle of the present application is as follows: during installation, first, the size of the contactor device 7 is observed, then the clamping frame 8 corresponding to the contactor device 7 is placed in the middle of the bearing assembly 1, at this time, the fixed block 104 is pressed from the rear side, then the head part of the fixed block 104 extending from the clamping frame 8 is rotated, so that the fixed block 104 fixes the clamping frame 8, and the tool is installed on the plate hole 103 position through the bolt, so that the position of the bearing assembly 1 is fixed, at this time, the contactor device 7 is fixed at the clamping frame 8;

[0049] According to the up and down contact position of the contactor device 7, first, the outer slide frame 203 of the expansion assembly 2 is slid forward and backward, then the fixed pin 204 is tightened and fixed after completion, and at the same time, the contact assembly 3 at the bottom of the expansion assembly 2 is adjusted, so that the contact assembly 3 at the bottom can be in contact with the contact of the contactor device 7 after the expansion assembly 2 is closed, the connecting assembly 5 is closed after the expansion assembly 2 is swung, the connecting assembly 5 connects and fixes the upper and lower expansion assemblies 2, and ensures that the up and down contact assemblies 3 are in contact with the contact of the contactor device 7;

[0050] At this time, the trigger assembly 6 at the connecting assembly 5 can be slid to make the trigger block 603 correspond to the mechanical trigger position of the contactor device 7, directly drive the connecting power device at the transmission rod 604, realize the mechanical contact trigger of the contactor device 7, and then make the display assembly 4 at the contact assembly 3 display the on-off condition, so as to achieve the detection effect of the contactor device 7.

[0051] For the detection of multiple groups of contactor devices 7, the left and right positions of the bearing assembly 1 can be connected and installed, and the left and right positions at the front end of the transmission rod 604 can be connected with each other, so that multiple groups of transmission rods 604 are connected through the connecting pin 605, the transmission rods 604 are synchronously driven, and the detection effect of the trigger of multiple groups of contactor devices 7 is realized.

[0052] In this paper, the following points need to be noted:

[0053] 1. The drawings of the embodiments of the present disclosure only relate to the structures involved in the embodiments of the present disclosure, and other structures can refer to the general design.

[0054] 2. In the case of no conflict, the embodiments of the present disclosure and the features in the embodiments can be combined with each other to obtain new embodiments.

[0055] The above is only a specific implementation of the present disclosure, but the protection scope of the present disclosure is not limited to this. Any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present disclosure, which should be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims

1. Multi-station linkage for DC contactor mechanical life testing, comprising: The utility model provides a contactor device, it is characterized in being provided with the following: a bearing assembly (1), the middle of the front end of bearing assembly (1) is fixed with the clamping frame (8), and the contactor device (7) is clamped and installed on the clamping frame (8), the upper and lower positions of bearing assembly (1) are hingedly installed with the expansion assembly (2), the bottom of expansion assembly (2) is installed with the contact assembly (3) towards the position of contactor device (7), the end position of contact assembly (3) is in contact with the contact of contactor device (7), the front end of expansion assembly (2) is installed with the display assembly (4), the display assembly (4) is connected with the contact assembly (3) of expansion assembly (2), the outer end of expansion assembly (2) is connected with the connecting assembly (5), the trigger assembly (6) is slidably installed on the connecting assembly (5), and the inner end position of trigger assembly (6) is in contact with contactor device (7) each other; The outer sliding block (601) of trigger assembly (6) is provided with a sliding groove at both ends, and the outer sliding block (601) is slidably installed on the connecting assembly (5) through the sliding groove; The outer sliding block (601) is provided with a positioning hole (602) at both ends, and a bolt is installed at the positioning hole (602); The trigger block (603) is slidably installed on the outer sliding block (601), and the trigger block (603) is slidably installed on the outer sliding block (601); The transmission rod (604) is transversely slidably installed on the upper end and the lower end of the trigger block (603) on the outer sliding block (601), and the transmission rod (604) is perpendicular to the trigger block (603); The contact position of the trigger block (603) and the transmission rod (604) is provided with an inclined groove structure, and a connecting pin (605) is additionally arranged at the left and right connecting positions of the transmission rod (604).

2. The multi-station linkage for mechanical life testing of DC contactors according to claim 1, characterized in that, Four plate holes (103) are arranged on the bearing plate (101) of the bearing assembly (1), and a connecting block (102) is arranged at the left side and the right side of the bearing plate (101); The left connecting block (102) and the right connecting block (102) of the bearing plate (101) correspond to each other; A fixed block (104) is arranged at the middle of the bearing plate (101), the rear side of the fixed block (104) is protruding, the front end of the fixed block (104) is in the shape of a waist circle, and the fixed block (104) is rotatably installed; Springs are additionally arranged at the installation positions of the fixed block (104).

3. The multi-station linkage for mechanical life testing of DC contactors of claim 1, wherein, The expansion plate (201) of the expansion assembly (2) is hingedly installed at the upper end and the lower end of the bearing assembly (1), and bottom support plates (202) are arranged at the root positions of the expansion plate (201); The bottom support plates (202) are perpendicular to the expansion plate (201); An outer sliding frame (203) is slidably installed on the expansion plate (201), springs are additionally arranged at the sliding installation positions of the outer sliding frame (203), and fixed pins (204) are screwed on the outer sliding frame (203).

4. The multi-station linkage for mechanical life testing of DC contactors of claim 1, wherein, The sliding block (301) of the contact assembly (3) is slidingly installed on the end face of the expansion assembly (2), the connecting rod (302) is connected and installed on the sliding block (301), the connecting rods (302) at the ends of the symmetrical sliding blocks (301) are connected with the connecting plate (303), the top screw (306) is installed at the sliding block (301), the synchronous wheel (304) is additionally installed at the outer end of the connecting position of the connecting plate (303) and the connecting rod (302), the contact rod (305) is slidingly installed on the connecting plate (303), and the spring is additionally installed between the contact rod (305) and the connecting plate (303).

5. The multi-station linkage for mechanical life testing of DC contactors of claim 1, wherein, The outer connecting frame (401) of the display assembly (4) is fixed at the front end position of the expansion assembly (2), display heads (402) are arranged at the outer ends of the positions corresponding to the contact assembly (3) on the outer connecting frame (401), springs are arranged at the inner ends of the positions of the display heads (402) of the outer connecting frame (401), and the springs are in contact with the contact assembly (3).

6. The multi-station linkage for mechanical life testing of DC contactors of claim 1, wherein, The connecting frame (501) of the connecting assembly (5) is hingedly installed at the end of the top expansion assembly (2), the connecting frame (501) is integrally arranged in the shape of a frame, the clamping buckles (502) are hingedly installed at the two ends of the bottom of the connecting frame (501), and the clamping buckles (502) are clamped at the two end positions of the bottom expansion assembly (2).

Images