A charging device with stable connection

Abstract

The present application provides a charging device with stable connection, including: a charging structure, including a charging seat and a charging contact arranged on the charging seat, the charging seat is used to be installed at a set position of a tower crane, the charging contact has a magnetic field strength and conductivity of a set strength, and the charging contact is used to be electrically connected to an external power supply; a power receiving structure, including a mounting plate and a conductive sheet arranged on the mounting plate, the mounting plate is used to be installed on a tower crane trolley moved to a set position, the conductive sheet is electrically connected to the power supply equipment of the tower crane trolley, and the conductive sheet can be connected to the charging contact through magnetic field attraction. The charging contact and the conductive sheet can achieve reliable connection by magnetic attraction, effectively avoiding problems such as displacement of the conductive contact and poor contact caused by the vibration of the tower crane. At the same time, the charging contact and the conductive sheet can realize the conduction of current after being attracted by the magnetic field, and the charging contact and the conductive sheet do not need to slide relative to each other to realize the charging of the tower crane trolley.

Description

Technical Field

[0001] The utility model relates to the field of charging devices, in particular to a charging device with stable connection. Background Art

[0002] At present, the visual tower crane trolley needs to be charged during use to maintain its normal operation. The traditional charging method is sliding contact charging, which has many inconveniences such as complex installation and low charging reliability. For example, due to the vibration of the tower crane, the charging sliding contact is easy to shift, causing unstable charging connection and other problems. With the widespread application of tower cranes in various construction scenarios, higher requirements are placed on the reliability, safety and convenience of the visual charging mechanism of the trolley. Utility Model Content

[0003] The utility model aims to provide a charging device with stable connection, which can ensure the reliability of charging connection when the tower crane trolley is running and the working environment is vibrating.

[0004] The embodiment of the utility model is achieved as follows:

[0005] The present application provides a charging device with stable connection, comprising:

[0006] A charging structure, comprising a charging seat and a charging contact arranged on the charging seat, wherein the charging seat is used to be installed at a set position of the tower crane, the charging contact has a magnetic field strength and conductivity of a set strength, and the charging contact is used to be electrically connected to an external power source;

[0007] The power receiving structure includes a mounting plate and a conductive sheet arranged on the mounting plate, wherein the mounting plate is used to be installed on a tower crane trolley moved to the set position, the conductive sheet is electrically connected to a power supply device of the tower crane trolley, and the conductive sheet can be connected to the charging contact through magnetic field attraction.

[0008] In a possible implementation manner, the charging seat is arranged opposite to the mounting plate, the charging contact is arranged on a first opposite surface of the charging seat, and the conductive sheet is arranged on a second opposite surface of the mounting plate.

[0009] In a possible implementation manner, the number of the charging contacts and the conductive sheets are matched. When there are multiple conductive sheets, the multiple conductive sheets are spaced apart on the mounting plate, and the multiple conductive sheets are electrically connected to the power supply device separately, and each conductive sheet is attracted and connected to at least one of the charging contacts.

[0010] In a possible implementation manner, the charging base is mounted on the tower crane via a first bolt assembly, and the mounting plate is mounted on the tower crane trolley via a second bolt assembly.

[0011] In a possible implementation, the mounting plate includes:

[0012] a mounting plate body having the second opposing surface;

[0013] The number of the protrusions matches the first bolts in the first bolt assembly, and the plurality of protrusions are spaced apart on each side of the second opposite surface relative to the first bolt, and the end of each first bolt is located between its corresponding two protrusions.

[0014] In a possible implementation manner, an insulating layer is further disposed on the second opposite surface, and the conductive sheet is disposed on the insulating layer.

[0015] In a possible implementation manner, the charging device further includes a charging monitoring device, which is installed on the charging base and / or the mounting plate and is used to monitor whether an abnormality occurs during the charging process.

[0016] In a possible implementation manner, the charging monitoring device is at least one of an indicator light and an audible and visual alarm.

[0017] In a possible implementation manner, the conductive sheet is made of a material having a predetermined wear resistance and a predetermined conductive strength.

[0018] The beneficial effects of the embodiments of the utility model are:

[0019] The charging contacts and the conductive sheet can be reliably connected by magnetic attraction, effectively avoiding the problems of displacement of the conductive contacts and poor contact caused by the vibration of the tower crane. At the same time, the charging contacts and the conductive sheet are both made of conductive materials. After the two are attracted by the magnetic field, the current can be conducted. The charging contacts and the conductive sheet do not need to slide relative to each other to charge the tower crane trolley, avoiding the frequent sliding of the conductive contacts during use, causing serious wear of the sliding contacts, and the overall service life is longer. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 This is an overall structural diagram of a charging device with stable connection according to an embodiment of the utility model;

[0022] Figure 2This is a structural diagram of a charging structure in a charging device with a stable connection according to an embodiment of the utility model from a first perspective;

[0023] Figure 3 It is a structural diagram of a charging structure in a charging device with stable connection according to an embodiment of the utility model from a second viewing angle;

[0024] Figure 4 This is a structural diagram of a power receiving structure in a charging device with a stable connection according to an embodiment of the utility model.

[0025] Icons: 1. Charging structure; 11. Charging seat; 12. Charging contact; 2. Power receiving structure; 21. Mounting plate; 211. Mounting plate body; 212. Raised portion; 22. Conductive sheet; 23. Insulating layer; 3. First bolt. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme 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 part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0027] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0029] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0030] In addition, the terms "horizontal", "vertical" and the like do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0031] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] refer to Figures 1 to 4 The present application provides a charging device with stable connection, including: a charging structure 1 and a power receiving structure 2. Both the charging structure 1 and the power receiving structure 2 are detachable. When in use, the charging structure 1 is installed on the tower crane, and the power receiving structure is installed on the tower crane trolley. By docking the charging structure 1 and the power receiving structure 2, the tower crane trolley can be charged. There are fewer components, which is convenient for installation and disassembly.

[0033] Furthermore, the charging structure 1 includes a charging seat 11 and a charging contact 12 arranged on the charging seat 11. The charging seat 11 is used to be installed at a set position of the tower crane. The charging contact 12 has a magnetic field strength and conductivity of a set strength, and the charging contact 12 is used to be electrically connected to an external power supply. The charging seat 11 provides an installation position for the charging contact 12. When the tower crane trolley performs visual work on the tower crane, the charging seat 11 is installed at a position near the tower crane trolley at the tower crane, so as to facilitate docking with the power receiving structure 2 installed on the tower crane trolley. The charging contact 12 is made of magnetic material and can be conductive, such as a neodymium iron boron permanent magnet, a samarium cobalt permanent magnet, etc., which can achieve magnetic attraction with the power receiving structure while also having conductivity. The charging contact 12 is connected to the positive and negative poles of the external motor through a cable, so as to realize charging of the charging device of the tower crane trolley through an external power supply. At the same time, the charging contact 12 has a certain magnetic field strength and good conductivity, which can achieve a stable connection with the power receiving structure 2 while reducing the loss of the charging current.

[0034] In addition, the power receiving structure 2 includes a mounting plate 21 and a conductive sheet 22 arranged on the mounting plate 21. The mounting plate 21 is used to be installed on the tower crane trolley moved to the set position. The conductive sheet 22 is electrically connected to the power supply equipment of the tower crane trolley, and the conductive sheet can be connected to the charging contact 12 through magnetic field attraction. When the tower crane trolley moves to the working position of the tower crane, the power receiving structure 2 is installed on the tower crane trolley through the mounting plate 21. The conductive sheet 22 can be fixedly installed on the mounting plate 21 by welding, bonding, etc. Since the conductive sheet 22 is a metal material, when the charging structure 1 is docked with the power receiving structure 2, the charging contact 12 can be stably attracted with the conductive sheet 22, and has good connection reliability in a working environment with large vibration. At the same time, the conductive sheet 22 is connected to the positive and negative poles of the power supply equipment (such as a battery pack, etc.) of the tower crane trolley through a cable, and the current of the external power supply is sequentially charged through the charging contact 12 and the conductive sheet 22 to realize the power supply equipment.

[0035] In general, the charging contact 12 and the conductive sheet 22 can be reliably connected by magnetic attraction, effectively avoiding the problems of displacement of the conductive contact and poor contact caused by the vibration of the tower crane. At the same time, the charging contact 12 and the conductive sheet 22 are both made of conductive materials, and the two can conduct current after being attracted by the magnetic field. The charging contact 12 and the conductive sheet 22 do not need to slide relative to each other to charge the tower crane trolley, avoiding the problem of frequent sliding of the conductive contacts during use, causing serious wear of the sliding contacts, and the overall service life is longer.

[0036] In some embodiments, the charging seat 11 is arranged opposite to the mounting plate 21, the charging contact 12 is arranged on a first opposite surface of the charging seat 11, and the conductive sheet 22 is arranged on a second opposite surface of the mounting plate 21. The charging seat 11 and the mounting plate 21 are arranged opposite to each other, and after the two are connected, the charging contact 12 and the conductive sheet 22 can be attracted and the current can be conducted, and the overall assembly process is simple and quick.

[0037] In some embodiments, the number of charging contacts 12 and conductive sheets 22 is matched. When there are multiple conductive sheets 22, multiple conductive sheets 22 are arranged on the mounting plate at intervals, and multiple conductive sheets 22 are electrically connected to the power supply device separately, and each conductive sheet 22 is at least attracted and connected to at least one charging contact 12. There are multiple conductive sheets 22, and each conductive sheet 22 can be connected to the power supply device separately. When a conductive sheet 22 at a certain location is damaged, the power supply device can still be charged through the remaining normal conductive sheets 22, thereby improving the fault tolerance of the entire charging device.

[0038] In some embodiments, a plurality of conductive sheets 22 are spaced apart on the second opposite surface, which can avoid series connection between adjacent conductive sheets 22 and increase in resistance, reduce current loss, and thus improve charging efficiency.

[0039] In some embodiments, the charging base 11 is mounted on the tower crane through the first bolt 3 assembly, and the mounting plate 21 is mounted on the tower crane trolley through the second bolt assembly. The first bolt 3 of the first bolt 3 assembly is a high-strength bolt, which can firmly mount the charging base 11 on the tower crane. Similarly, the second bolt of the second bolt assembly is a high-strength bolt, which can firmly mount the mounting plate 21 on the tower crane trolley.

[0040] In some embodiments, the mounting plate 21 includes: a mounting plate body 211 and a protrusion 212. The mounting plate body 211 has a second opposite surface. The number of the protrusions 212 matches the first bolts 3 in the first bolt 3 assembly, and a plurality of protrusions 212 are arranged at intervals on each side of the second opposite surface relative to the first bolts 3, and the end of each first bolt 3 is located between its corresponding two protrusions 212. This allows the two to be quickly and accurately positioned during the magnetic attraction process to prevent displacement.

[0041] In some embodiments, an insulating layer 23 is further provided on the second opposite surface. For example, the insulating layer 23 is made of insulating epoxy resin material. The conductive sheet 22 is provided on the insulating layer 23 to isolate the conductive sheet 22 from the rest of the tower crane trolley.

[0042] In some embodiments, the charging device also includes a charging monitoring device, which is installed on the charging seat 11 and / or the mounting plate 21 to monitor whether there are any abnormalities in the charging process. The charging monitoring device is at least one of an indicator light, an audible and visual alarm, a wireless transmission module, and a program alarm. For example, indicator lights can be installed on the charging seat 11 and the mounting plate 21, respectively, to visually display the charging status. When charging is proceeding normally, the indicator light displays green; when a charging fault occurs, such as poor contact, short circuit, etc., the indicator light displays red, so that the problem can be discovered and handled in time. It is also possible to install an audible and visual alarm on the indicator light on the charging seat 11 and the mounting plate 21 at the same time, so that relevant staff can be notified in time to handle when charging is abnormal.

[0043] In some embodiments, the conductive sheet 22 is a material with set wear resistance and set conductivity, and can be a metal or alloy material. For example, the metal material can be a copper sheet, a gold sheet, etc., and the alloy material can be an iron-nickel alloy, a nickel-copper alloy, etc., to ensure stable current transmission. However, considering the cost issue, the conductive sheet is preferably a copper sheet.

[0044] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A charging device with stable connection, characterized in that: include: A charging structure, comprising a charging seat and a charging contact arranged on the charging seat, wherein the charging seat is used to be installed at a set position of the tower crane, the charging contact has a magnetic field strength and conductivity of a set strength, and the charging contact is used to be electrically connected to an external power source; The power receiving structure includes a mounting plate and a conductive sheet arranged on the mounting plate, wherein the mounting plate is used to be installed on a tower crane trolley moved to the set position, the conductive sheet is electrically connected to a power supply device of the tower crane trolley, and the conductive sheet can be connected to the charging contact through magnetic field attraction.

2. The charging device with stable connection according to claim 1, characterized in that: The charging seat is arranged opposite to the mounting plate, the charging contact is arranged on a first opposite surface of the charging seat, and the conductive sheet is arranged on a second opposite surface of the mounting plate.

3. The charging device with stable connection according to claim 2, characterized in that: The number of the charging contacts and the conductive sheets are adapted to each other. When there are multiple conductive sheets, the multiple conductive sheets are spaced apart on the mounting plate, and the multiple conductive sheets are electrically connected to the power supply device separately, and each conductive sheet is attracted and connected to at least one of the charging contacts.

4. The charging device with stable connection according to claim 2, characterized in that: The charging base is installed on the tower crane through a first bolt assembly, and the mounting plate is installed on the tower crane trolley through a second bolt assembly.

5. The charging device with stable connection according to claim 4, characterized in that: The mounting plate comprises: a mounting plate body having the second opposing surface; The number of the protrusions matches the first bolts in the first bolt assembly, and the plurality of protrusions are spaced apart on each side of the second opposite surface relative to the first bolt, and the end of each first bolt is located between its corresponding two protrusions.

6. The charging device with stable connection according to claim 5, characterized in that: An insulating layer is also disposed on the second opposite surface, and the conductive sheet is disposed on the insulating layer.

7. The charging device with stable connection according to claim 1, characterized in that: The charging device further comprises a charging monitoring device, which is mounted on the charging seat and / or the mounting plate and is used to monitor whether an abnormality occurs during the charging process.

8. The charging device with stable connection according to claim 7, characterized in that: The charging monitoring device is at least one of an indicator light and an audible and visual alarm.

9. The charging device with stable connection according to claim 1, characterized in that: The conductive sheet is made of a material having a set wear resistance and a set conductivity.

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