Crane cart walking electromagnetic brake pressure disc

By setting reinforcement ribs and reminder components in the pressure plate of the electromagnetic brake on the crane, the problem of deformation caused by long-term stress and overheating damage to the brake coil is solved, the strength and deformation resistance of the pressure plate are improved, the service life of the electromagnetic brake is extended and the number of failures is reduced.

CN222782923UActive Publication Date: 2025-04-22MAANSHAN PORT (GRP) CO LTD
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Patent Information

Application Number
CN202421852325.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-01
Publication Date
2025-04-22
Estimated Expiration
2034-08-01

AI Technical Summary

Technical Problem

When the crane is walking, the pressure plate is subjected to the downspring pressure and the brake disc for a long time, which causes deformation and friction to generate heat, causing overheating and damage to the brake coil, increasing the number of failures and posing safety hazards.

Method used

Reinforcement ribs are installed in the pressure plate of the crane large truck walking electromagnetic brake to improve the overall strength and deformation resistance of the pressure plate, and install prompt components, including metal buzzers and thermal switches, to prompt the pressure plate to be deformed in advance and maintain and replace in time.

Benefits of technology

By reinforcing the rib structure, the deformation of the pressure disk is reduced, the risk of overheating damage of the brake coil is reduced, the service life of the electromagnetic brake is extended, the number of crane failures is reduced, and safety is improved.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222782923U_ABST
Patent Text Reader

Abstract

The utility model discloses a crane cart walking electromagnetic brake pressure disc which comprises a pressure disc body, a groove is formed in the outer wall of the pressure disc body, connecting holes are formed in an inner cavity of the groove and located on the inner wall of the pressure disc body, reinforcing ribs are arranged on the outer wall of the pressure disc body and located on the outer wall opposite to the groove, and the connecting holes are connected with the reinforcing ribs. A fixing hole is formed in the inner wall of the groove, a hole groove is formed in the outer wall of the pressure disc, and a rectangular groove is formed in the position, located on the outer wall of the pressure disc, of one side of the hole groove. The temperature rise of the pressure disc can be prompted through the prompting assembly, so that the influence caused by deformation of the pressure disc is small, and the pressure disc is maintained and replaced in time through prompting of the metal buzzer; through the reinforcing ribs, the overall strength of the pressure disc is higher, the deformation resistance is better, and meanwhile when the pressure disc is used, the inner wall of the groove makes contact with the brake coil base, so that the deformation amount of the pressure disc is eliminated in advance.
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Description

Technical Field

[0001] The utility model relates to the technical field of pressure discs, in particular to a pressure disc of a traveling electromagnetic brake of a crane trolley. Background Art

[0002] Port gantry, portal and bridge cranes move to different locations for operation according to production operation requirements, and electromagnetic brakes are used very frequently. When the SEW electromagnetic brake is working, the pressure plate inside it is subjected to the interaction force of the spring pressure and the brake disc on the pressure plate for a long time, causing the pressure plate itself to deform. When the crane trolley is moving, the pressure plate and the brake disc cannot be completely disengaged, and the friction between the two generates heat, causing the electromagnetic brake coil to overheat and be damaged. According to the statistics of electromagnetic brake failures over the years, the deformation of the pressure plate causes the brake coil to overheat and be damaged, accounting for more than 80% of the total. The number of crane failures has increased, and the trolley braking has been reduced, posing certain safety hazards. Every time a failure occurs, the electromagnetic brake is basically damaged and can only be replaced, resulting in an increase in the operating cost of the crane. Utility Model Content

[0003] The utility model provides a pressure plate of a traveling electromagnetic brake for a crane trolley to solve the above-mentioned problem.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A pressure plate for an electromagnetic brake for a crane trolley comprises a pressure plate, a groove is provided on the outer wall of the pressure plate, a connecting hole is provided in the inner cavity of the groove and on the inner wall of the pressure plate, reinforcing ribs are provided on the outer wall of the pressure plate and on the outer wall opposite to the groove, a fixing hole is provided on the inner wall of the groove, a hole slot is provided on the outer wall of the pressure plate, a rectangular slot is provided on one side of the hole slot and on the outer wall of the pressure plate, a prompt component is embedded in the inner wall of the groove, and a mounting hole is provided on the side wall of the pressure plate.

[0006] The prompt component includes an outer cover shell and a metal buzzer. The outer cover shell is plugged and connected to the inner wall of the groove. A positioning hole is opened on the outer wall of the outer cover shell. An integrated circuit board control module is installed on the inner wall of the outer cover shell. A thermal switch is installed on the inner wall of the outer cover shell. An energy storage device is installed on one side of the thermal switch and on the inner wall of the outer cover shell. A connecting hole is opened on the outer wall of the outer cover shell, and the metal buzzer is installed on the inner wall of the installation hole.

[0007] As a preferred solution of the utility model, the integrated circuit board control module is respectively connected to the thermal switch, the energy storage device and the metal buzzer through wires, and the connection method is electrical connection.

[0008] As a preferred solution of the utility model, the groove is located on one side of the hole groove, and the connecting hole is located on one side of the connecting hole, and the reinforcing rib is an annular structure.

[0009] As a preferred solution of the utility model, the fixing holes are provided in two groups and are respectively located on the inner wall of the groove, and the hole grooves are provided in multiple groups and are respectively located on the outer wall of the pressure plate.

[0010] As a preferred solution of the utility model, the cross section of the outer cover shell is a concave structure, and two groups of positioning holes are provided and are respectively located on the outer wall of the pressure plate.

[0011] As a preferred solution of the utility model, the thermal switch is located on one side of the integrated circuit board control module, and the metal buzzer is located on one side of the hole groove.

[0012] As a preferred solution of the utility model, one end of the fixing hole extends to the inner cavity of the groove, and the fixing hole and the groove are connected.

[0013] The utility model arranges reinforcing ribs in the pressure plate of the electromagnetic brake of the crane trolley, so that the overall strength of the pressure plate is higher and the deformation resistance is better. At the same time, when in use, the inner wall of the groove and the brake coil seat are in contact with each other, which plays a role in eliminating the deformation of the pressure plate in advance, thereby solving the problem that the pressure plate is subjected to the interaction force of the spring down pressure and the brake disc on the pressure plate for a long time, causing the pressure plate itself to be deformed.

[0014] The utility model can provide a prompt component in the pressure plate of the electromagnetic brake of the crane trolley to prompt the temperature increase of the pressure plate, thereby reducing the impact of the deformation of the pressure plate, and timely maintain and replace the pressure plate through the prompt of the metal buzzer, thereby solving the problem that the deformation of the pressure plate causes the brake coil to be overheated and damaged, resulting in reduced trolley braking and certain safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a side view structural schematic diagram of the utility model;

[0017] Figure 3 This is a schematic diagram of the groove structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the prompt component of the utility model;

[0019] Figure 5 It is an enlarged schematic diagram of structure A of the present utility model.

[0020] In the figure: 1. pressure plate; 2. groove; 3. connecting hole; 4. reinforcing rib; 5. fixing hole; 6. hole groove; 7. rectangular groove; 8. prompt component; 801. outer cover shell; 802. metal buzzer; 803. positioning hole; 804. integrated circuit board control module; 805. thermal switch; 806. energy storage device; 807. connecting hole; 9. mounting hole. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0022] Example: See Figure 1-5 The shown embodiment shows a pressure plate of a traveling electromagnetic brake for a crane trolley, comprising a pressure plate 1, a groove 2 being provided on the outer wall of the pressure plate 1, a connecting hole 3 being provided in the inner cavity of the groove 2 and on the inner wall of the pressure plate 1, a reinforcing rib 4 being provided on the outer wall of the pressure plate 1 and on the outer wall opposite to the groove 2, a fixing hole 5 being provided on the inner wall of the groove 2, a hole groove 6 being provided on the outer wall of the pressure plate 1, a rectangular groove 7 being provided on one side of the hole groove 6 and on the outer wall of the pressure plate 1, a prompt component 8 being embedded in the inner wall of the groove 2, and a mounting hole 9 being provided on the side wall of the pressure plate 1.

[0023] In this embodiment, specific reference Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 The prompt component 8 includes an outer cover shell 801 and a metal buzzer 802. The outer cover shell 801 is plugged and connected to the inner wall of the groove 2. A positioning hole 803 is opened on the outer wall of the outer cover shell 801. Two groups of positioning holes 803 are opened and are respectively located on the outer wall of the pressure plate 1. An integrated circuit board control module 804 is installed on the inner wall of the outer cover shell 801. A thermal switch 805 is installed on the inner wall of the outer cover shell 801. The thermal switch 805 is located on one side of the integrated circuit board control module 804. An energy storage device 806 is installed on one side of the thermal switch 805 and located on the inner wall of the outer cover shell 801. A connecting hole 807 is opened on the outer wall of the outer cover shell 801. The metal buzzer 802 is installed on the inner wall of the mounting hole 9, and the metal buzzer 802 is located on one side of the hole groove 6.

[0024] Among them, the integrated circuit board control module 804 is respectively connected to the thermal switch 805, the energy storage device 806 and the metal buzzer 802 through wires and the connection method is electrical connection, so that the device is energized, the groove 2 is located on one side of the hole groove 6, and the connecting hole 3 is located on one side of the connecting hole 807, the reinforcing rib 4 is an annular structure, two groups of fixing holes 5 are opened and are respectively located on the inner wall of the groove 2, the hole groove 6 is opened and is respectively located on the outer wall of the pressure plate 1, the cross-section of the outer cover shell 801 is a concave structure, and the outer cover shell 801 is located in the inner cavity of the groove 2, and the inner wall of the groove 2 is in contact with the brake coil, one end of the fixing hole 5 extends to the inner cavity of the groove 2, and the fixing hole 5 and the groove 2 are a connecting structure.

[0025] When the pressure plate of the electromagnetic brake for traveling the crane trolley of this scheme is working, a groove 2 is opened on the outer wall of the pressure plate 1, and a connecting hole 3 is opened in the inner cavity of the groove 2 and on the inner wall of the pressure plate 1. At the same time, reinforcing ribs 4 are provided on the outer wall of the pressure plate 1 and on the outer wall opposite to the groove 2. This makes the overall strength of the pressure plate 1 higher and the deformation resistance better. At the same time, when in use, the inner wall of the groove 2 and the brake coil seat are in contact with each other, which plays a role in eliminating the deformation of the pressure plate 1 in advance, thereby solving the problem that the pressure plate itself is deformed due to the interaction force of the spring down pressure and the brake disc on the pressure plate for a long time.

[0026] The outer cover shell 801 is connected to the inner wall of the groove 2 through plugging, a positioning hole 803 is opened on the outer wall of the outer cover shell 801, an integrated circuit board control module 804 is installed on the inner wall of the outer cover shell 801, a thermal switch 805 is installed on the inner wall of the outer cover shell 801, an energy storage device 806 is installed on one side of the thermal switch 805 and on the inner wall of the outer cover shell 801, a connecting hole 807 is opened on the outer wall of the outer cover shell 801, and a metal buzzer 802 is installed on the inner wall of the mounting hole 9. When When the pressure plate 1 is deformed due to long-term use, the pressure plate 1 and the brake structure are in contact for a long time, which causes the pressure plate 1 to heat up due to friction, and then the temperature of the outer cover shell 801 increases. At the same time, the thermal switch 805 is turned on to power on the device, and its integrated circuit board control module 804 controls the metal buzzer 802 to emit a buzzing sound, which serves to remind the staff to maintain and replace the pressure plate 1 in time to prevent the electromagnetic brake coil from overheating and being damaged, thereby solving the problem of overheating and being damaged of the brake coil due to deformation of the pressure plate, and increasing the number of crane failures.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pressure plate of a crane trolley travel electromagnetic brake, comprising a pressure plate (1), characterized in that: The outer wall of the pressure plate (1) is provided with a groove (2), the inner cavity of the groove (2) and a connecting hole (3) is provided on the inner wall of the pressure plate (1), the outer wall of the pressure plate (1) and an outer wall opposite to the groove (2) are provided with a reinforcing rib (4), the inner wall of the groove (2) is provided with a fixing hole (5), the outer wall of the pressure plate (1) is provided with a hole groove (6), one side of the hole groove (6) and a rectangular groove (7) is provided on the outer wall of the pressure plate (1), a prompt component (8) is embedded and installed on the inner wall of the groove (2), and a mounting hole (9) is provided on the side wall of the pressure plate (1).

2. The electromagnetic brake pressure plate for crane trolley travel according to claim 1, characterized in that: The prompt component (8) comprises an outer cover shell (801) and a metal buzzer (802); the outer cover shell (801) is pluggably connected to the inner wall of the groove (2); a positioning hole (803) is provided on the outer wall of the outer cover shell (801); an integrated circuit board control module (804) is installed on the inner wall of the outer cover shell (801); a thermal switch (805) is installed on the inner wall of the outer cover shell (801); an energy storage device (806) is installed on one side of the thermal switch (805) and on the inner wall of the outer cover shell (801); a connecting hole (807) is provided on the outer wall of the outer cover shell (801); and the metal buzzer (802) is installed on the inner wall of the mounting hole (9).

3. The crane trolley travel electromagnetic brake pressure plate according to claim 2, characterized in that: The integrated circuit board control module (804) is respectively connected to a thermal switch (805), an energy storage device (806) and a metal buzzer (802) via wires, and the connection method is electrical connection.

4. The electromagnetic brake pressure plate for crane trolley travel according to claim 2, characterized in that: The groove (2) is located on one side of the hole groove (6), and the connecting hole (3) is located on one side of the connecting hole (807), and the reinforcing rib (4) is an annular structure.

5. The crane trolley travel electromagnetic brake pressure plate according to claim 1, characterized in that: The fixing holes (5) are provided in two groups and are respectively located on the inner wall of the groove (2); the hole grooves (6) are provided in multiple groups and are respectively located on the outer wall of the pressure plate (1).

6. The crane trolley travel electromagnetic brake pressure plate according to claim 2, characterized in that: The cross-section of the outer cover shell (801) is a concave structure, and two groups of positioning holes (803) are provided and are respectively located on the outer wall of the pressure plate (1).

7. The electromagnetic brake pressure plate for crane trolley travel according to claim 2, characterized in that: The thermal switch (805) is located on one side of the integrated circuit board control module (804), and the metal buzzer (802) is located on one side of the hole slot (6).

8. The pressure plate of the electromagnetic brake for traveling a crane trolley according to claim 1, characterized in that: One end of the fixing hole (5) extends to the inner cavity of the groove (2), and the fixing hole (5) and the groove (2) are in a communicating structure.