Multifunctional crown block hydraulic station open-phase protection device

Abstract

The utility model relates to hydraulic station technical field, concretely relates to a multifunctional crown block hydraulic station open-phase protection device, the utility model discloses open-phase protection mechanism includes three wiring terminals of side -by -side arrangement, and the front part of wiring terminal is provided with the guide slot, and the motor of crown block hydraulic station is connected through the guide slot of wiring terminal, and the side of wiring terminal is provided with sealing strip, and indication control mechanism includes the pilot lamp of being located below the guide slot, and the safety switch and the switch -on switch of being located below the pilot lamp, and assembly card sets mechanism includes the lower hanger of being located at the bottom of protection casing, the elastic card piece of being located at the side of protection casing and the rear hanger of being located at the back of protection casing, the utility model discloses through integration open-phase protection, indication control and assembly card sets function in an organic whole, the operation safety and the maintenance convenience of crown block hydraulic station are improved significantly, and open-phase protection mechanism can detect motor state in real time, effectively prevent the equipment failure caused by open-phase, and guarantee the smooth production.

Description

Technical Field

[0001] This utility model relates to the field of hydraulic station technology, specifically to a multi-functional overhead crane hydraulic station phase loss protection device. Background Technology

[0002] In the operation of overhead crane hydraulic systems, motor phase loss is one of the key factors causing equipment failure and damage. Traditional phase loss protection methods often suffer from problems such as slow response and inadequate protection, making it difficult to meet the high-efficiency and safe equipment operation standards pursued by modern industry. For example, a three-phase AC motor phase loss protection device disclosed in Chinese patent CN115954237A, although including a phase loss protector and upper and lower terminals, and equipped with a side wall vertical plate, still has shortcomings: it cannot monitor the motor status accurately in real time, making it difficult to prevent phase loss faults in a timely manner; the assembly and fixing method lacks flexibility and stability; and the dispersed functions lead to increased maintenance costs. Utility Model Content

[0003] The technical problem to be solved by this utility model is to overcome the shortcomings of the existing technology and provide a multi-functional crane hydraulic station phase loss protection device.

[0004] The technical solution adopted in this utility model is as follows:

[0005] A multifunctional overhead crane hydraulic station phase loss protection device includes a rectangular protective housing, a phase loss protection mechanism at the top of the protective housing, an indicating and control mechanism at the front of the protective housing, and an assembly and locking mechanism at the periphery of the protective housing.

[0006] The phase loss protection mechanism includes three terminals arranged side by side, with guide grooves at the front of the terminals; the terminals are connected to the motor of the overhead crane hydraulic station through the guide grooves; and sealing strips are provided on the sides of the terminals.

[0007] The control mechanism includes an indicator light located below the guide groove, and a safety switch and a closing switch located below the indicator light; the safety switch and the closing switch are respectively connected to the safety circuit and the control circuit inside the protection housing;

[0008] The assembly and locking mechanism includes a lower hanging component located at the bottom of the protective housing, an elastic locking component located on the side of the protective housing, and a rear hanging component located on the back of the protective housing; the lower hanging component, the elastic locking component, and the rear hanging component are all assembled together with the external support part.

[0009] This technical solution includes a protective housing and its internal phase loss protection mechanism, indicating and control mechanism, and assembly and locking mechanism, realizing the guiding connection of the wiring terminals, sealing protection, status indication, safety control, and stable assembly of the device. Specifically, the guide groove allows the cables to be neatly and securely connected to the wiring terminals, reducing connection problems caused by loose or misaligned cables; the sealing strip is designed to prevent external contaminants such as moisture and dust from entering the protective housing, thereby protecting the internal electrical components from damage; the indicator light is used to display the current power status, such as normal power supply and phase loss alarm; the lower bracket, elastic clip, and rear bracket can be assembled and used in combination as needed, or one of the three can be selected.

[0010] In addition, the multi-functional overhead crane hydraulic station phase loss protection device proposed above according to this utility model also has the following additional technical features:

[0011] According to one embodiment of the present invention, the guide groove is disposed on the baffle, and the baffle is located in front of the corresponding wiring terminal.

[0012] This technical solution provides a guide groove on a baffle located in front of the terminal block to guide the cable to be accurately connected to the corresponding terminal block.

[0013] According to one embodiment of the present invention, a spacer groove is provided between the baffles, and the spacer groove passes through adjacent wiring terminals, so that they are set independently of each other.

[0014] This technical solution uses spacer slots between baffles to make adjacent terminals independent of each other, avoiding interference and ensuring the stability and safety of current transmission.

[0015] According to one embodiment of the present invention, the protective shell is provided with heat dissipation holes on its side, and a metal elastic clip is provided below the heat dissipation holes.

[0016] This technical solution improves the heat dissipation performance of the device by setting heat dissipation holes on the side of the protective housing and setting a metal elastic clip below the heat dissipation holes, while ensuring the stable installation of the device.

[0017] According to one embodiment of the present invention, the lower hanging part is U-shaped with the opening facing upward, and is fixed with a corresponding buckle.

[0018] This technical solution provides a simple and effective fixing method by setting the lower bracket to an upward-facing U-shape and using corresponding buckles for fixation, so that the protective device can be firmly mounted in the designated position.

[0019] According to one embodiment of the present invention, the rear hanger is a horizontally arranged U-shape, which is fixed in conjunction with the corresponding platform.

[0020] This technical solution provides a stable installation method by setting the rear bracket to a horizontal U-shape and fixing it with the corresponding platform, so that the protective device can be firmly fixed on the platform, ensuring the stability and safety of operation.

[0021] Compared with the prior art, this utility model has the following advantages:

[0022] (1) By integrating phase loss protection, indication control and assembly clamping functions into one, the operation safety and maintenance convenience of the crane hydraulic station are significantly improved; the phase loss protection mechanism can detect the motor status in real time, effectively prevent equipment failure caused by phase loss, and ensure smooth production.

[0023] (2) By setting heat dissipation holes and elastic metal clips, the device can be ensured to operate stably in high temperature environment, while facilitating assembly and fixation with external support parts, thereby improving the reliability of the device. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the structure of this utility model.

[0025] In the diagram: 1. Protective housing; 2. Wiring terminal; 3. Sealing strip; 4. Guide groove; 5. Indicator light; 6. Safety switch; 7. Closing switch; 8. Lower bracket; 9. Elastic clip; 10. Radiator; 11. Rear bracket. Detailed Implementation

[0026] 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.

[0027] Example 1

[0028] like Figure 1 As shown, this embodiment provides a multi-functional overhead crane hydraulic station phase loss protection device, including a rectangular protective housing 1. A phase loss protection mechanism is provided on the top of the protective housing 1, an indicator control mechanism is provided at the front of the protective housing 1, and an assembly and locking mechanism is provided around the periphery of the protective housing 1. Wherein:

[0029] The phase loss protection mechanism includes three terminals 2 arranged side by side, with a guide groove 4 at the front of each terminal 2; the terminal 2 is connected to the motor of the overhead crane hydraulic station through the guide groove 4; and a sealing strip 3 is provided on the side of each terminal 2.

[0030] The control mechanism includes an indicator light 5 located below the guide groove 4, and a safety switch 6 and a closing switch 7 located below the indicator light 5; the safety switch 6 and the closing switch 7 are respectively connected to the safety circuit and the control circuit inside the protective housing 1.

[0031] The assembly and locking mechanism includes a lower hanging member 8 located at the bottom of the protective housing 1, an elastic locking member 9 located on the side of the protective housing 1, and a rear hanging member 11 located on the back of the protective housing 1; the lower hanging member 8, the elastic locking member 9, and the rear hanging member 11 are all assembled together with the external support part.

[0032] like Figure 1 As shown, this technical solution includes a protective housing 1 and its internal phase loss protection mechanism, indicating and control mechanism, and assembly and locking mechanism, realizing the guiding connection, sealing protection, status indication, safety control, and stable assembly of the terminal block 2. Specifically, the guide groove 4 allows the cable to be neatly and firmly connected to the terminal block 2, reducing connection problems caused by loose or misaligned cables; the sealing strip 3 is designed to prevent external contaminants such as moisture and dust from entering the protective housing 1, thereby protecting the internal electrical components from damage; the indicator light 5 is used to display the current power status, such as normal power supply and phase loss alarm; the lower bracket 8, elastic clip 9, and rear bracket 11 can be assembled and used in combination as needed, or one of the three can be selected.

[0033] In addition, the multi-functional overhead crane hydraulic station phase loss protection device proposed above according to this utility model also has the following additional technical features:

[0034] According to one embodiment of the present invention, the guide groove 4 is disposed on the baffle, and the baffle is located in front of the corresponding terminal 2.

[0035] This technical solution provides a guide groove 4 on a baffle plate located in front of the terminal block 2 to guide the cable to be accurately connected to the corresponding terminal block 2.

[0036] According to one embodiment of the present invention, a spacer groove is provided between the baffles, and the spacer groove passes through adjacent wiring terminals 2, so that they are set independently of each other.

[0037] This technical solution sets a gap between the baffles to make adjacent terminals 2 independent of each other, avoids interference, and ensures the stability and safety of current transmission.

[0038] According to one embodiment of the present invention, the protective housing 1 is provided with heat dissipation holes on its side, and a metal elastic clip 9 is provided below the heat dissipation holes.

[0039] This technical solution improves the heat dissipation performance of the device by setting heat dissipation holes on the side of the protective housing 1 and setting a metal elastic clip 9 below the heat dissipation holes, while ensuring the stable installation of the device.

[0040] According to one embodiment of the present invention, the lower hanging part 8 is U-shaped with the opening facing upward, and is fixed in place with a corresponding buckle.

[0041] This technical solution provides a simple and effective fixing method by setting the lower hanging part 8 to be U-shaped with the opening facing upwards and using corresponding buckles for fixation, so that the protective device can be firmly hung in the designated position.

[0042] According to one embodiment of the present invention, the rear hanger 11 is a horizontally arranged U-shape, which is used to fix the corresponding platform.

[0043] This technical solution provides a stable installation method by setting the rear bracket 11 to a horizontal U-shape and fixing it with the corresponding platform, so that the protection device can be firmly fixed on the platform and ensure the stability and safety of operation.

[0044] The usage process of the above embodiments is as follows:

[0045] The protection device is fixed near the overhead crane hydraulic station via an assembly and clamping mechanism, and assembled with the external support using the lower bracket 8, elastic clamp 9, and rear bracket 11. The wiring terminal 2 is connected to the motor via the guide groove 4 to ensure stable current transmission, while the sealing strip 3 provides protection. When a phase loss occurs in the motor, the phase loss protection mechanism responds quickly, detecting and triggering the indicator control mechanism through the internal circuit. The indicator light 5 illuminates to alert the operator. Simultaneously, the fuse switch 6 activates, disconnecting the fuse circuit to protect the circuit. The closing switch 7 is used for manual reset. The heat dissipation holes on the side of the protective housing 1 help dissipate heat and maintain stable operation of the device. The entire device is rationally designed and effectively prevents equipment damage caused by phase loss.

[0046] Although the present invention has been described in detail with reference to the accompanying drawings and preferred embodiments, it is not limited thereto. Various equivalent modifications or substitutions can be made to the embodiments of the present invention by those skilled in the art without departing from the spirit and essence of the present invention, and such modifications or substitutions should all be within the scope of the present invention. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present invention should also be included within the protection scope of the present invention. Therefore, the protection scope of the present invention should be determined by the scope of the claims.

Claims

1. A multifunctional head sheave hydraulic station open-phase protection device, characterized in that, The utility model provides a protective casing (1) of cuboid, the top of protective casing (1) is provided with the mechanism of phase failure protection, the front of protective casing (1) is provided with the mechanism of indication control, the circumference of protective casing (1) is provided with the mechanism of assembly card, wherein: The mechanism of phase failure protection includes three wiring terminals (2) arranged side by side, the front of wiring terminal (2) is provided with guide slot (4), wiring terminal (2) is connected with the motor of headstock hydraulic station through guide slot (4), the side of wiring terminal (2) is provided with sealing strip (3), The mechanism of indication control includes indicating lamp (5) below guide slot (4), and safety switch (6) and closing switch (7) below indicating lamp (5), safety switch (6) and closing switch (7) are connected with the safety circuit and control circuit in protective casing (1) respectively, The mechanism of assembly card includes lower hanging piece (8) at the bottom of protective casing (1), elastic card piece (9) at the side of protective casing (1) and rear hanging piece (11) at the back of protective casing (1), lower hanging piece (8), elastic card piece (9) and rear hanging piece (11) are assembled with external support part.

2. The multi-functional head sheave hydraulic station open-phase protection device according to claim 1, characterized in that, The guide slot (4) is arranged on the baffle, and the baffle is located in front of the corresponding wiring terminal (2).

3. The multi-functional head sheave hydraulic station open-phase protection device according to claim 2, characterized in that, The baffle is provided with a spacing groove, and the spacing groove penetrates the adjacent wiring terminal (2) to independently arrange the wiring terminals.

4. The multi-functional head sheave hydraulic station open-phase protection device of claim 1, wherein, The side of the protective casing (1) is provided with a heat dissipation hole, and the heat dissipation hole is provided with an elastic card piece (9) made of metal below.

5. The multi-functional head sheave hydraulic station open-phase protection device of claim 1, wherein, The lower hanging piece (8) is in a U-shaped structure with an opening facing upwards, and is fixed by cooperating with a corresponding buckle.

6. The multi-functional head sheave hydraulic station open-phase protection device of claim 1, wherein, The rear hanging piece (11) is in a U-shaped structure arranged horizontally, and is fixed by cooperating with a corresponding platform.

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