An encoder signal test platform

Abstract

The utility model discloses an encoder signal test platform, include: test case, install the locating seat on the top wall of test case, the top wall fixed mounting of test case has two support rods, and the one side wall fixed welding of two support rods has the mounting panel, and the mounting panel fixed welding has the mounting rod, and the mounting rod fixed welding has the limit bushing, the sliding connection of limit bushing in the slide bar, the top of slide bar installs the press handle, the bottom fixed welding of slide bar has the lifting plate, be provided with the needle plate on the lifting plate, install a plurality of probes on the needle plate. The utility model discloses the pull of the pull spring setting effect on the pull plate drives the limit link sliding insertion to be in the limit slot alignment to the limit link, thereby will slide bar limit fixed, make a plurality of probes keep with the test point steady contact on the circuit board of the encoder to be tested, make in the test process not need to press down the press handle all the time, improved the hand comfort degree when testing.

Description

Technical Field

[0001] This utility model relates to the field of testing equipment technology, specifically to an encoder signal testing platform. Background Technology

[0002] Absolute encoders need to be tested before leaving the factory, and this is usually done using an absolute encoder signal test platform.

[0003] A search revealed that the existing technology, specifically the authorized patent CN215296292U, discloses an absolute encoder signal testing platform, comprising: a chassis; a positioning base for positioning and placing the encoder to be tested; a pin plate movably disposed above the positioning base, the pin plate having multiple probes disposed on it, the probes being positioned at test points on the circuit board of the encoder to be tested, the probes being electrically connected to the test circuit; a manual drive mechanism for driving the pin plate to move up and down; and further comprising: an indicator light for indicating the position of the pin plate; a normally open push switch fixedly disposed below the pin plate and used to control the indicator light switch; and a pressing member disposed on the pin plate, its lower end protruding from the lower surface of the pin plate, the pressing member being used to press the normally open push switch when the pin plate is in position. This absolute encoder signal testing platform helps to avoid the problem of incorrect test results caused by incomplete downward movement of the pin plate when manually driven downward.

[0004] However, the above technical solution still has the following shortcomings in use: When the needle plate moves downwards, the device lacks a limiting and fixing structure, requiring the hand to continuously press the L-shaped handle during testing, which can lead to hand soreness after prolonged use. To address this issue, we propose an encoder signal testing platform. Utility Model Content

[0005] The purpose of this invention is to provide an encoder signal testing platform to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an encoder signal testing platform, comprising:

[0007] A testing chassis has a positioning seat mounted on its top wall and a display screen mounted on the top wall. Two support rods are fixedly mounted on the top wall of the testing chassis. A mounting plate is welded to one side wall of each support rod, and a mounting rod is welded to the mounting plate. A limit sleeve is welded to the mounting rod, and a sliding rod is slidably connected within the limit sleeve. A pressing handle is mounted at the top of the sliding rod, and a lifting plate is welded to the bottom of the sliding rod. A needle plate is mounted on the lifting plate. The device is equipped with multiple probes. The probe plate is positioned above the positioning seat. A fixing seat is fixedly welded onto the mounting plate. The fixing seat is positioned on one side of the limiting sleeve. A limiting rod is slidably connected to the fixing seat through a through hole. The end of the limiting rod near the limiting sleeve passes through the limiting sleeve and is slidably connected to it. A pull plate is fixedly welded to the outer end of the limiting rod. A tension spring is fitted onto the limiting rod. The two ends of the tension spring are fixedly connected to the fixing seat and the pull plate, respectively. A limiting groove adapted to the limiting rod is provided on the sliding rod.

[0008] Preferably, a bidirectional lead screw is rotatably mounted on the lifting plate, and guide rods are fixedly welded to both side walls of the lifting plate. Each of the two guide rods is slidably connected to a locking seat, and both locking seats are threadedly connected to the bidirectional lead screw through threaded holes. A locking block is fixedly welded to the inner wall of the locking seat.

[0009] Preferably, the needle plate has snap-fit ​​grooves on both sides of its side walls, and the snap-fit ​​grooves are adapted to the snap-fit ​​blocks.

[0010] Preferably, two insert rods are fixedly welded to the inner wall of the needle plate, and two slots are opened on the side wall of the lifting plate, with the insert rods matching the slots.

[0011] Preferably, a knob is fixedly installed at one end of the bidirectional lead screw.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. When this utility model is in use, after pressing the handle to slide the slide rod downward, the lifting plate can be moved downward, thereby moving the needle plate downward. This causes multiple probes on the needle plate to move downward and contact the test points on the circuit board of the encoder under test. Then, the tension spring acting on the lifting plate causes the limiting rod to slide into the aligned limiting groove, thereby limiting and fixing the slide rod. This ensures that multiple probes maintain stable contact with the test points on the circuit board of the encoder under test, eliminating the need to continuously press the handle downward during the test, thus improving hand comfort during the test.

[0014] 2. The lifting plate of this utility model drives two locking seats to move in opposite directions through a bidirectional lead screw, so that the locking block is locked in the locking groove to install and fix the needle plate. This makes it easy to remove and install the needle plate from the lifting plate, so that when testing different encoders, the needle plate with the corresponding specification probe can be quickly replaced according to the encoder. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of an encoder signal testing platform proposed in this utility model;

[0016] Figure 2 This is a side-view three-dimensional structural diagram of an encoder signal testing platform proposed in this utility model;

[0017] Figure 3 This is a three-dimensional structural diagram showing the separation of the lifting plate and the needle plate in an encoder signal testing platform proposed in this utility model.

[0018] In the diagram: 1. Test chassis; 2. Positioning seat; 3. Display screen; 4. Support rod; 5. Mounting plate; 6. Mounting rod; 7. Limit sleeve; 8. Slide rod; 9. Press handle; 10. Lifting plate; 11. Needle plate; 12. Probe; 13. Fixing seat; 14. Limit rod; 15. Pull plate; 16. Tension spring; 17. Limit groove; 18. Two-way lead screw; 19. Guide rod; 20. Snap-fit ​​seat; 21. Snap-fit ​​block; 22. Snap-fit ​​groove; 23. Insert rod; 24. Slot; 25. Knob. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Please see Figure 1-3 This utility model provides a technical solution: an encoder signal testing platform, comprising:

[0021] A testing chassis 1 has a positioning seat 2 mounted on its top wall and a display screen 3 mounted on its top wall. Two support rods 4 are fixedly mounted on the top wall of the testing chassis 1. A mounting plate 5 is welded to one side wall of each support rod 4. A mounting rod 6 is welded to the mounting plate 5. A limit sleeve 7 is welded to the mounting rod 6. A sliding rod 8 is slidably connected inside the limit sleeve 7. A pressing handle 9 is mounted on the top of the sliding rod 8. A lifting plate 10 is welded to the bottom of the sliding rod 8. A needle plate 11 is mounted on the lifting plate 10, and multiple probes are mounted on the needle plate 11. 12. The needle plate 11 is disposed above the positioning seat 2. A fixing seat 13 is fixedly welded to the mounting plate 5. The fixing seat 13 is disposed on one side of the limiting sleeve 7. A limiting rod 14 is slidably connected to the fixing seat 13 through a through hole. One end of the limiting rod 14 near the limiting sleeve 7 passes through the limiting sleeve 7 and is slidably connected to the limiting sleeve 7. A pull plate 15 is fixedly welded to the outer end of the limiting rod 14. A tension spring 16 is sleeved on the limiting rod 14. The two ends of the tension spring 16 are fixedly connected to the fixing seat 13 and the pull plate 15 respectively. A limiting groove 17 adapted to the limiting rod 14 is provided on the sliding rod 8.

[0022] A bidirectional lead screw 18 is rotatably mounted on the lifting plate 10. Guide rods 19 are fixedly welded to both sides of the lifting plate 10. A locking seat 20 is slidably connected to each of the two guide rods 19. The two locking seats 20 are threadedly connected to the bidirectional lead screw 18 through the screw holes. A locking block 21 is fixedly welded to the inner wall of the locking seat 20.

[0023] The needle plate 11 has snap-fit ​​grooves 22 on both sides of its side walls, and the snap-fit ​​grooves 22 are adapted to the snap-fit ​​block 21.

[0024] Two insertion rods 23 are fixedly welded to the inner wall of the needle plate 11, and two slots 24 are opened on the side wall of the lifting plate 10, with the insertion rods 23 and slots 24 being adapted to each other.

[0025] A knob 25 is fixedly installed at one end of the bidirectional lead screw 18.

[0026] Working principle: When this utility model is in use, pressing the handle 9 to slide the slide bar 8 downwards will drive the lifting plate 10 to move downwards, thereby driving the needle plate 11 to move downwards. This causes the multiple probes 12 on the needle plate 11 to move downwards and contact the test points on the circuit board of the encoder under test. Then, the tension spring 16 acts on the pull plate 15 to drive the limit rod 14 to slide into the aligned limit groove 17, thereby limiting and fixing the slide bar 8. This ensures that the multiple probes 12 maintain stable contact with the test points on the circuit board of the encoder under test, eliminating the need to continuously press the handle 9 downwards during the test, thus improving hand comfort. The lifting plate 10 drives the two locking seats 20 to move towards each other through the bidirectional lead screw 18, causing the locking block 21 to engage in the locking groove 22 to install and fix the needle plate 11. This makes it easy to remove and install the needle plate 11 from the lifting plate 10, allowing for quick replacement of the needle plate 11 with the corresponding specification probes 12 when testing different encoders.

[0027] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An encoder signal testing platform, characterized in that, include: A test chamber (1) is provided with a positioning seat (2) on its top wall and a display screen (3) on its top wall. Two support rods (4) are fixedly installed on the top wall of the test chamber (1). A mounting plate (5) is fixedly welded to one side wall of the two support rods (4). A mounting rod (6) is fixedly welded to the mounting plate (5). A limit sleeve (7) is fixedly welded to the mounting rod (6). A slide rod (8) is slidably connected inside the limit sleeve (7). A pressing handle (9) is installed at the top of the slide rod (8). A lifting plate (10) is fixedly welded to the bottom of the slide rod (8). A needle plate (11) is provided on the lifting plate (10). Multiple probes are installed on the needle plate (11). 12), the needle plate (11) is set above the positioning seat (2), the mounting plate (5) is fixedly welded with a fixing seat (13), the fixing seat (13) is set on one side of the limiting sleeve (7), the fixing seat (13) is slidably connected to the limiting rod (14) through the through hole, the end of the limiting rod (14) near the limiting sleeve (7) passes through the limiting sleeve (7) and is slidably connected to the limiting sleeve (7), the outer end of the limiting rod (14) is fixedly welded with a pull plate (15), the limiting rod (14) is sleeved with a tension spring (16), the two ends of the tension spring (16) are fixedly connected to the fixing seat (13) and the pull plate (15) respectively, and the slide rod (8) is provided with a limiting groove (17) that matches the limiting rod (14).

2. The encoder signal testing platform according to claim 1, characterized in that: A bidirectional lead screw (18) is rotatably mounted on the lifting plate (10). Guide rods (19) are fixedly welded to both sides of the lifting plate (10). A snap-fit ​​seat (20) is slidably connected to each of the two guide rods (19). The two snap-fit ​​seats (20) are threadedly connected to the bidirectional lead screw (18) through the screw holes. A snap-fit ​​block (21) is fixedly welded to the inner wall of the snap-fit ​​seat (20).

3. The encoder signal testing platform according to claim 2, characterized in that: The needle plate (11) has snap-fit ​​grooves (22) on both sides of its side walls, and the snap-fit ​​grooves (22) are adapted to the snap-fit ​​blocks (21).

4. The encoder signal testing platform according to claim 1, characterized in that: Two insert rods (23) are fixedly welded to the inner wall of the needle plate (11), and two slots (24) are opened on the side wall of the lifting plate (10). The insert rods (23) are adapted to the slots (24).

5. The encoder signal testing platform according to claim 2, characterized in that: A knob (25) is fixedly installed at one end of the bidirectional lead screw (18).

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