Spring force balance test tool for electromagnetic power-off brake

Abstract

The utility model discloses a spring force balance test tool for an electromagnetic power-off brake, which comprises a bottom plate, a back plate is vertically arranged on one side of the bottom plate, and a servo module is mounted on one side of the back plate; the product placing plate is arranged on the upper surface of the bottom plate, a concave limiting groove is formed in the middle of the product placing plate, the shape of the limiting groove is matched with that of an electromagnetic power-off brake, a positioning protrusion is arranged in the middle of the limiting groove, and a plurality of positioning pins and a mounting plate are arranged in the limiting groove and located on the periphery of the positioning protrusion. And the mounting plate is arranged on the upper side of the product placing plate, and a pressure sensor corresponding to a spring of the electromagnetic power-off brake is arranged at the bottom of the mounting plate. The utility model can solve the problems that the existing test tool often needs more manual intervention, is not high in automation degree, is not suitable for the rapid detection requirement in large-scale production, and is easy to be influenced by human factors, so that the test result is inaccurate.

Description

Technical Field

[0001] The utility model relates to the technical field of electromagnetic power-off brake testing, in particular to a spring force balance testing tool for an electromagnetic power-off brake. Background Art

[0002] In the field of industrial automation, electromagnetic power-off brake is a commonly used braking device. Electromagnetic power-off brake is widely used in various machinery and equipment, such as lifting machinery, conveyor lines, elevators, etc. Its performance is directly related to the safety of equipment and operators. One of the core components of the electromagnetic power-off brake is the spring, which is responsible for providing braking force when power is lost. The force of the spring must be balanced to ensure that the brake can apply braking force evenly to prevent braking deviation or failure caused by unbalanced force. Existing test fixtures often require more manual intervention, the degree of automation is not high, and are not suitable for rapid detection needs in large-scale production. Therefore, it is necessary to study and develop an electromagnetic power-off brake spring force balance test fixture. Utility Model Content

[0003] The utility model provides a spring force balance test tool for an electromagnetic power-off brake, which can solve the problems that existing test tools often require more manual intervention, have a low degree of automation, are not suitable for rapid detection needs in large-scale production, and are easily affected by human factors, resulting in inaccurate test results.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a spring force balance test fixture for an electromagnetic power-off brake, comprising a base plate, a back plate vertically arranged on one side of the base plate, and a servo module installed on one side of the back plate; a product placement plate, which is arranged on the upper surface of the base plate, and an inwardly concave limiting groove is arranged in the middle of the product placement plate, and the shape of the limiting groove matches the electromagnetic power-off brake, and a positioning protrusion is arranged in the middle of the limiting groove, and a plurality of positioning pins are arranged in the limiting groove on the outer periphery of the positioning protrusion; a mounting plate, which can be raised and lowered and arranged on the upper side of the product placement plate, and a pressure sensor corresponding to the spring of the electromagnetic power-off brake is arranged on the bottom of the mounting plate along the circumferential direction, which can measure the force of multiple springs at the same time, greatly reducing the time required for testing, and is particularly suitable for rapid detection on the production line; the automation of the test process is realized, manual operation is reduced, and human errors are reduced.

[0005] Preferably, a connecting bracket is fixedly provided on the upper side of the mounting plate, and the connecting bracket is connected to the servo module, which is simple to process and convenient to install.

[0006] Preferably, the servo module includes a module housing fixedly arranged on the back plate, a ball screw is arranged inside the module housing along its length direction, a servo motor is arranged at the end of the ball screw, a slider is arranged on the ball screw, the slider moves up and down relatively along the ball screw, and the slider is connected to the connecting bracket. By using the servo module, the spring force can be accurately measured to ensure the accuracy of the test results.

[0007] Preferably, two first threaded holes are provided on the upper side of the mounting plate, and an elongated waist-shaped hole corresponding to the first threaded holes is provided on the connecting bracket, and the elongated waist-shaped hole facilitates the adjustable design of the connecting bracket and the mounting plate.

[0008] Preferably, a sensing block is provided on the side of the slider, and an aluminum profile is provided on the side of the module housing along the length direction. Two slot-type photoelectric switches for sensing whether the sensing block is in place are slidingly provided in the slot of the aluminum profile. By providing slot-type photoelectric switches and sensing blocks, the tooling can automatically detect and prevent misoperation during the test, thereby improving the safety of the test process.

[0009] Preferably, the product placement plate is provided with slots on both sides, and the base plate is provided with second threaded holes corresponding to the slots on both sides, and the base plate and the product placement plate are adjustable.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] It has a simple structure and is easy to operate. It can measure the force of multiple springs synchronously, ensuring the synchronization and accuracy of the measurement data, greatly improving the test efficiency, and is especially suitable for mass production environments. It uses high-precision pressure sensors and combines the precise control of the servo module to significantly improve the measurement accuracy. It is equipped with multiple safety protections, such as slot-type photoelectric switches and induction blocks, to ensure the safety of personnel and equipment during the test. It can solve the problem that existing test fixtures often require more manual intervention, have a low degree of automation, are not suitable for rapid detection needs in large-scale production, and are easily affected by human factors, resulting in inaccurate test results. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional structural diagram of the utility model;

[0013] Figure 2 It is a structural schematic diagram of the bottom plate and the product placement plate of the utility model;

[0014] Figure 3 It is a structural schematic diagram of the product placement plate of the utility model;

[0015] Figure 4It is a structural schematic diagram of the mounting plate and the connecting bracket of the utility model;

[0016] Figure 5 It is a structural schematic diagram of the servo module of the utility model.

[0017] Reference numerals:

[0018] 1. Base plate, 11. Second threaded hole, 2. Back plate, 3. Servo module, 31. Module housing, 32. Ball screw, 33. Servo motor, 34. Slider, 35. Aluminum profile, 36. Slot-type photoelectric switch, 37. Induction block, 4. Product placement plate, 41. Limiting groove, 42. Positioning protrusion, 43. Positioning pin, 44. Slot, 5. Mounting plate, 51. First threaded hole, 6. Pressure sensor, 7. Connecting bracket, 71. Long waist-shaped hole. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0020] like Figure 1-5 As shown, the utility model provides the following technical solutions to solve the problems that the existing test fixtures often require more manual intervention, have a low degree of automation, are not suitable for rapid detection needs in large-scale production, and are easily affected by human factors, resulting in inaccurate test results: a spring force balance test fixture for an electromagnetic power-off brake, comprising a bottom plate 1, a back plate 2 is vertically arranged on one side of the bottom plate 1, and a servo module 3 is installed on one side of the back plate 2; a product placement plate 4 is arranged on the upper surface of the bottom plate 1, and a concave limiting groove 41 is arranged in the middle of the product placement plate 4, and the shape of the limiting groove 41 is consistent with the shape of the electromagnetic power-off brake. The electromagnetic de-energizing brake 10 is matched, a positioning protrusion 42 is arranged in the middle of the limiting groove 41, and a plurality of positioning pins 43 are arranged in the limiting groove 41 on the outer periphery of the positioning protrusion 42. The mounting plate 5 can be raised and lowered and arranged on the upper side of the product placement plate 4. The bottom of the mounting plate 5 is provided with pressure sensors 6 corresponding to the springs of the electromagnetic de-energizing brake 10 along the circumferential direction, which can measure the force of multiple springs at the same time, greatly reducing the time required for testing, and is particularly suitable for rapid detection on the production line; the automation of the testing process is realized, manual operation is reduced, and human errors are reduced.

[0021] In this embodiment, if Figure 1 As shown, a connecting bracket 7 is fixedly provided on the upper side of the mounting plate 5 , and the connecting bracket 7 is connected to the servo module 3 , and is simple to process and convenient to install.

[0022] In this embodiment, if Figure 5As shown, the servo module 3 includes a module housing 31 fixedly arranged on the back plate 2, a ball screw 32 is arranged in the module housing 31 along its length direction, a servo motor 33 is arranged at the end of the ball screw 32, a slider 34 is arranged on the ball screw 32, the slider 34 moves up and down relatively along the ball screw 32, and the slider 34 is connected to the connecting bracket 7. By using the servo module, the spring force can be accurately measured to ensure the accuracy of the test result.

[0023] In this embodiment, if Figure 4 As shown, two first threaded holes 51 are provided on the upper side of the mounting plate 5, and an elongated waist-shaped hole 71 corresponding to the first threaded holes 51 is provided on the connecting bracket 7. The elongated waist-shaped hole facilitates the adjustable design of the connecting bracket 7 and the mounting plate 5.

[0024] In this embodiment, if Figure 5 As shown, a sensing block 37 is provided on the side of the slider 34, and an aluminum profile 35 is provided on the side of the module housing 31 along the length direction. Two slot-type photoelectric switches 36 for sensing whether the sensing block 37 is in place are slidably provided in the slot of the aluminum profile 35. By providing the slot-type photoelectric switches 36 and the sensing blocks 37, the tooling can automatically detect and prevent misoperation during the test process, thereby improving the safety of the test process.

[0025] In this embodiment, if Figure 2 As shown, the product placement plate 4 is provided with slots 44 on both sides, and the base plate 1 is provided with second threaded holes 11 corresponding to the slots 44 on both sides. The base plate 1 and the product placement plate 4 are adjustable.

[0026] In this embodiment, if Figure 2As shown, the electromagnetic de-energizing brake 10 to be tested is placed in the limiting groove 41 of the product placement plate 4, and the positioning protrusion 42 and the positioning pin 43 in the limiting groove 41 ensure that the electromagnetic de-energizing brake 10 is accurately positioned on the product placement plate 4, so that the six springs of the brake correspond to the six pressure sensors 6 at the bottom of the mounting plate 5 one by one; the servo module 3 is started, and the slider 34 drives the connecting bracket 7 and the mounting plate 5 to move up and down through the control of the ball screw 32 and the servo motor 33 until the pressure sensor 6 contacts the spring of the electromagnetic de-energizing brake 10; when the pressure sensor 6 contacts the spring, the servo module 3 continues to accurately control the movement of the slider 34, The spring is gradually compressed, and the force data on the pressure sensor 6 is recorded in real time; the data acquisition system collects the force data of the pressure sensor 6, and displays the test results through the display and control unit; based on the collected force data, the control system automatically calculates the force value of each spring, and compares it with the preset balance standard to determine whether the spring force is balanced; during the test, the slot-type photoelectric switch 36 detects the position of the slider 34 to ensure the safety of the test process; after the test is completed, the display and control unit outputs the spring force balance test result and sends a signal whether it is qualified; the servo module 3 is reset, and the electromagnetic power-off brake 10 is removed from the product placement plate 4 to complete a test.

[0027] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0028] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0029] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

Claims

1. A spring force balance test tool for an electromagnetic power-off brake, characterized in that: include: A bottom plate (1), a back plate (2) being vertically arranged on one side of the bottom plate (1), and a servo module (3) being installed on one side of the back plate (2); A product placement plate (4) is arranged on the upper surface of the bottom plate (1); a concave limiting groove (41) is arranged in the middle of the product placement plate (4); the shape of the limiting groove (41) matches the electromagnetic power-off brake (10); a positioning protrusion (42) is arranged in the middle of the limiting groove (41); and a plurality of positioning pins (43) are arranged in the limiting groove (41) on the outer periphery of the positioning protrusion (42); A mounting plate (5) is arranged on the upper side of the product placement plate (4) and can be raised and lowered. A pressure sensor (6) corresponding to the spring of the electromagnetic power-off brake (10) is arranged at the bottom of the mounting plate (5) along the circumferential direction.

2. The spring force balance test tool for electromagnetic power-off brake according to claim 1, characterized in that: A connecting bracket (7) is fixedly provided on the upper side of the mounting plate (5), and the connecting bracket (7) is connected to the servo module (3).

3. The spring force balance test tool for electromagnetic power-off brake according to claim 2, characterized in that: The servo module (3) comprises a module housing (31) fixedly arranged on the back plate (2), a ball screw (32) being arranged inside the module housing (31) along its length direction, a servo motor (33) being arranged at the end of the ball screw (32), a slider (34) being arranged on the ball screw (32), the slider (34) being relatively movable up and down along the ball screw (32), and the slider (34) being connected to the connecting bracket (7).

4. The spring force balance test tool for electromagnetic power-off brake according to claim 2, characterized in that: Two first threaded holes (51) are arranged on the upper side of the mounting plate (5), and a long waist-shaped hole (71) corresponding to the first threaded holes (51) is arranged on the connecting bracket (7).

5. The spring force balance test tool for electromagnetic power-off brake according to claim 3, characterized in that: A sensing block (37) is arranged on the side of the slider (34), an aluminum profile (35) is arranged on the side of the module housing (31) along the length direction, and two slot-shaped photoelectric switches (36) are slidably arranged in the slot of the aluminum profile (35) for sensing whether the sensing block (37) is in place.

6. The spring force balance test tool for electromagnetic power-off brake according to claim 1, characterized in that: The product placement plate (4) is provided with slots (44) on both sides, and the base plate (1) is provided with second threaded holes (11) corresponding to the slots (44) on both sides.

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