CN113338746B

CN113338746B - Linear motor mounting structure and automatic door or gate machine convenient to mount and maintain

Info

Publication number: CN113338746B
Application number: CN202110664066.0A
Authority: CN
Inventors: 张光耀
Original assignee: Shaoxing Smart Electronic Technology Co ltd
Current assignee: Shaoxing Smart Electronic Technology Co ltd
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2022-05-20
Anticipated expiration: 2041-06-16
Also published as: CN113338746A

Abstract

The invention relates to a linear motor mounting structure and an automatic door or gate machine convenient to mount and maintain. The segmented design facilitates maintenance by translating segment-by-segment loading or unloading from the track frame without disassembly of the door panels or gate panels. The sectional type structure passes through the protection of epoxy plastic-sealed body, need not to overlap again and establishes the motor casing, and the radiating effect is good also more convenient the dismantlement. Shorten the length of backup pad on the track frame, and set up buckle spare at armature subassembly section terminal surface, ensure that stator module can follow track frame bottom and directly take out. An electrifying circuit board electrically connected with the power adapter is additionally arranged, the controller section and the electrifying circuit board are electrically connected by adopting a contact electrode plate, and the controller section is convenient to disassemble and maintain.

Description

Linear motor mounting structure and automatic door or gate machine convenient to mount and maintain

Technical Field

The invention relates to the technical field of linear motors, in particular to a linear motor mounting structure and an automatic door or gate convenient to mount and maintain.

Background

In recent years, magnetic suspension driving technology is applied to linear motors, a rotor of a rotary motor is suspended in the air by adopting suspension technology, mechanical contact and frictional resistance between the rotor and a stator are eliminated, and the magnetic suspension linear motor is produced.

For a motor driving mechanism on a single-opening automatic door or a gate, a reduction gearbox is assembled by a rotating motor in a traditional mode, the rotating motion is converted into linear motion through a mechanical conversion transmission mode such as a synchronous belt or a lead screw, and a door plate or a gate plate is hung in a guide rail groove through a roller and rolls under the driving of the synchronous belt or the lead screw so as to realize opening and closing actions. The transmission driving mechanism is relatively complex, the occupied area of the driving mechanism is large, and the installation and the maintenance are very inconvenient. With the increasing maturity of magnetic suspension linear motor technology, more and more automatic doors or gates are driven by magnetic suspension linear motors.

At present, a driving mechanism of an automatic door or a gate driven by a linear motor is shown in fig. 1, generally, the whole driving mechanism is installed on a wall above a door plate, the outermost layer of the whole driving mechanism is an aluminum alloy track frame 1, the track frame 1 is structurally shown in fig. 2, the top of the track frame 1 is sealed and used for being fixed with the wall, the inside of the track frame 1 is divided into a stator assembly accommodating cavity 101 and a mover assembly accommodating cavity 102 which are communicated with each other, the two accommodating cavities are spatially divided through supporting plates 103 arranged on side walls, and the mover assembly accommodates a bottom opening of the cavity 102 and is provided with a bottom plate 104. The rotor component 2 is arranged in the rotor component accommodating cavity 102, the rotor component 2 is used for being connected with a door panel or a gate plate, the top of the rotor component 2 is provided with a magnet 22, the two sides of the rotor component are provided with rollers 21, the bottom of the rotor component is provided with a connecting piece 6, the door panel or the gate plate is arranged at the bottom of the rotor component 2 through the connecting piece 6, and the rollers 21 on the rotor component 2 move along the top surface of the supporting plate 104, so that the door panel or the gate plate is driven to move horizontally. The stator assembly is disposed in the stator assembly accommodating chamber 101, and the stator assembly mainly includes a controller 3 located in the middle and armature assemblies 4 located at both ends of the controller 3. Usually, the controller 3 and the armature assemblies 4 on both sides are fixedly connected into a whole, and a motor casing is further provided outside the stator assembly for protecting the stator assembly, as shown in fig. 2 of the invention patent of publication No. CN207939287U, the integrally connected stator assembly is put into a motor casing made of an aluminum alloy square tube, the whole is inserted into the stator assembly accommodating cavity 101 from the side of the track frame 1 for fixing after both ends are sealed by plugs, and at this time, the bottom of the motor casing is limited by the support plate 103.

In general, the length of the stator assembly is the same as that of the mover assembly, the length of the mover assembly is the same as that of the door panel or the gate plate, the length of the mover assembly 2 is about half of that of the track frame 1, and a power adapter, an electromagnetic lock and the like are further respectively arranged in cavities at two sides of the stator assembly in the track frame 1. The design of the driving mechanism on the automatic door needs to consider the convenience of installation, disassembly and maintenance, and the driving mechanism on the existing magnetic suspension automatic door is very inconvenient for installation and maintenance. Under the condition of not disassembling the door panel or the gate plate and the track frame, even if the door panel (or the gate plate) and the mover assembly are translated to one side of the track frame 1 together, the whole stator assembly cannot be taken out from the bottom of the track frame at all due to the length restriction of the whole stator assembly and the limitation of the operation space of the track frame. Moreover, the stator assembly is also sleeved in the motor shell, and as for a controller which is a main component needing to be maintained, the motor shell cannot be maintained without taking down the whole motor shell; according to the existing installation structure, the width of the motor shell is larger than the width of the opening at the bottom of the stator assembly accommodating cavity 101, and the whole stator assembly cannot be taken out from the opening end at the bottom of the track frame even if the length restriction and the operation space restriction are not considered due to the limit of the supporting plate 103. Therefore, the existing magnetic suspension driving mechanism of the automatic door has the defect of inconvenient installation and maintenance.

The invention patent with the publication number of CN211524544U discloses a magnetic suspension frameless corner-free automatic door, which mentions that a magnetic suspension motor can be detached for maintenance without detaching a door plate, the magnetic suspension motor is arranged on a sliding rail at the middle part by dividing the sliding rail into three sections, and the other two sections of sliding rails are positioned at two ends of the sliding rail at the middle part. If the slide rail refers to the above-mentioned mover assembly capable of moving along with the door panel, even if the whole slide rail is divided into three sections to solve the problem of insufficient operation space, the purpose of not disassembling the door panel cannot be achieved, because the whole length of the mover assembly is the same as the width of the door panel, and the mover assembly is fixed with the door panel through the connecting piece, the slide rail divided into three sections cannot move in sections without disassembling the door panel. From the disclosure in the patent, the magnetic suspension motor is only mounted on the slide rail at the middle section, and we know that the magnetic suspension motor is generally formed by combining a controller and armature assemblies at two ends, and the length of the whole magnetic suspension motor is the same as that of a rotor assembly, so that the structure formed by combining three sections of slide rails in the patent is not clear as to what structure is specifically referred to, and the technical scheme disclosed by the patent is unclear, and the purpose that the magnetic suspension motor can be detached and maintained under the condition that a door plate is not detached cannot be achieved at all.

In view of the above-mentioned conventional magnetic levitation motor driven automatic door or gate structure being not easy to install and maintain in design, the present inventors have made technical improvements, and thus, the present invention has come to come.

Disclosure of Invention

The invention firstly discloses a linear motor mounting structure, which can be used for dismounting a stator assembly under the condition of not dismounting a door plate (or a flashboard) and a track frame, and is realized by adopting the following technical scheme:

the linear motor mounting structure comprises a linear motor and a track frame, wherein the linear motor comprises a stator assembly and a rotor assembly, the track frame comprises a stator assembly accommodating cavity and a rotor assembly accommodating cavity which are communicated with each other, the two accommodating cavities are divided into spaces by supporting plates arranged on the side walls, a stator assembly accommodating cavity opening surface is formed between the supporting plates on the two sides, bottom plates are symmetrically arranged on the side walls of the bottom of the rotor assembly accommodating cavity, a rotor assembly accommodating cavity opening surface is formed between the bottom plates on the two sides, the stator assembly of the linear motor is arranged in the stator assembly accommodating cavity, and the rotor assembly is arranged in the rotor assembly accommodating cavity; stator module adopts the combination of multistage formula structure to form, stator module includes a controller section and an armature subassembly section at least, the controller section is passed through the side end face contact with the armature subassembly section or the plug-in type realizes the electricity is connected, the width of controller section and armature subassembly section all is less than stator module and holds the width that chamber opening face and active cell subassembly hold the chamber opening face, the tip of armature subassembly section is equipped with the buckle portion, the buckle portion carries on spacingly with track frame's backup pad joint to stator module.

Furthermore, the side end face of the controller section and the side end face of the armature assembly section are respectively provided with a limiting part which is matched with each other.

Furthermore, the limiting part on the end face of the side of the controller section is a positioning salient point, and the limiting part on the end face of the side of the armature assembly section is a positioning hole.

Furthermore, a driving circuit board is arranged inside the controller section, an epoxy resin plastic package body is arranged outside the controller section, and a plug-in type electric connection structure or a contact type electrode plate which are matched with each other are respectively arranged on the side end face of the controller section and the side end face of the armature assembly section; the inside of armature subassembly section includes silicon steel sheet laminated structure, coil and magnet, and the outside of armature subassembly section is the epoxy plastic-sealed body.

Furthermore, an electric connection part is further arranged on the plastic package body of the controller section, a power adapter and a power-on circuit board electrically connected with the power adapter are further arranged in the stator module accommodating cavity on the track frame, and the electric connection part adopts a plug-in structure or a contact type electrode plate to establish an electric signal connection relation with the power-on circuit board.

Furthermore, the buckling part is clamped by a telescopic elastic reed or a buckling piece which can rotate along a pivot point.

Furthermore, the buckling part is buckled by a buckling part capable of rotating along a pivot point, the buckling part rotates towards the side wall direction of the stator assembly accommodating cavity and forms a buckling relation with the support plate to limit the armature assembly, and the buckling part rotates towards the side wall direction back to the stator assembly accommodating cavity and is separated from the support plate to relieve the limitation on the armature assembly.

Further, buckle portion is including fixing end cover, a pair of buckle spare that the structure is the same at armature assembly section tip, installing buckle spare on the end cover the pin, be used for driving buckle spare pivoted torsional spring and adjusting bolt, and two buckle spares adopt central symmetry to lay, and buckle spare's bottom is equipped with the joint breach, and adjusting bolt installs on the end cover, and adjusting bolt moves along two different directions and can make buckle spare rotate along the pin joint point equidirectional not.

Furthermore, the buckle part is provided with four connecting faces which are vertical to each other, the four connecting faces are enclosed into a cavity structure with an unsealed side face and an upper opening and a lower opening, the tops of two opposite connecting faces are installed on the end cover through pins, the torsional springs are sleeved on the pins, clamping notches are arranged at the bottoms of two opposite connecting faces at the pin joint points, the side opening parts of the two buckle parts are mutually hooked, and a gap is reserved in the middle of the two buckle parts for the adjusting bolt to longitudinally pass through.

The invention also discloses an automatic door or gate machine convenient to install and maintain, which comprises the linear motor installation structure and a door plate/gate plate, wherein the rotor assembly comprises a magnet, a coil and rollers at two sides, the rollers roll along a bottom plate on the track frame, a connecting piece is arranged at the bottom of the rotor assembly, and the door plate/gate plate is fixed with the connecting piece together.

The stator assembly structure of the linear motor is brand-new designed, an integrated structure formed by fixing the controller and the armature assembly together in the prior art is abandoned, a sectional structure design is adopted, the controller and the armature assembly can be conveniently taken out from the track frame section by section through translation for maintenance under the condition that a door panel (or a flashboard) is not disassembled, the installation is more convenient than that of the integrated structure, and especially under the condition that the door panel (or the flashboard) is large in size and heavy, the advantages of the scheme of the invention are more obvious.

In order to realize the convenience of installation and disassembly, the stator assembly is protected by the epoxy resin plastic package body besides the sectional structure, a motor shell does not need to be sleeved, the heat dissipation effect is better, and the disassembly is more convenient. The controller and the armature assembly are in contact or plug-in connection to realize electric signal connection, and can be easily separated to release the electric connection relation by translation when the electric connection is required to be disassembled. In order to directly take out or install stator module from the open end of track frame bottom, the inventor has changed stator module's fixed mode, has shortened the extension length of backup pad on the track frame, has still set up the buckle spare that can the joint in the backup pad at the terminal surface of armature subassembly section, has just so ensured that stator module can follow track frame bottom and take out.

The drive circuit board and the power adapter in the existing controller are mainly electrically connected by wires, and even though the problem of insufficient space can be solved by the sectional structure, when the controller section is detached for maintenance, the electrical signal connection with the power adapter needs to be released, so that the connection mode in the prior art is very inconvenient. According to the invention, the electrified circuit board is additionally arranged to establish an electric connection relation with the power adapter, and the controller section and the electrified circuit board are connected by adopting the easily separated plug-in type or contact type electrode plates to realize electric signal connection, so that the controller section is convenient to disassemble and maintain.

Drawings

FIG. 1 is a schematic view of a linear motor drive mechanism on an automatic door or gate;

FIG. 2 is a schematic structural view of an aluminum alloy track frame on an automatic door or gate;

FIG. 3 is a schematic diagram of a linear motor stator assembly according to an embodiment of the present invention after being disassembled;

FIG. 4 is a schematic view of the stator assembly of FIG. 3 when assembled together;

FIG. 5 is an enlarged view of a portion of FIG. 4A;

FIG. 6 is an enlarged view of a portion of FIG. 4 at B;

FIG. 7 is a schematic view of the structure of the latch portion on the armature assembly segment, wherein 7a is a front structure view and 7b is a back structure view;

FIG. 8 is a schematic view of a latch of the latch of FIG. 7;

fig. 9 is a schematic structural view of two clasping members clasping each other.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

This embodiment mainly carries out institutional advancement to the linear electric motor that is used for automatically-controlled door or floodgate machine, and the purpose makes things convenient for linear electric motor's installation and dismantlement maintenance, when especially maintaining the linear electric motor, can be under the prerequisite of not dismantling track frame and door plant (or flashboard), can be easy take out linear electric motor from the track frame. Therefore, it is necessary to structurally improve the conventional linear motor structure, the motor mounting structure, and the linear motor driven automatic door (or gate), which will be described in detail with reference to fig. 1 to 9.

Firstly, the structure of a linear motor is improved, and the linear motor is known to be composed of a stator assembly and a rotor assembly 2, wherein the stator assembly is mainly formed by combining a controller positioned in the middle and armature assemblies positioned at two ends of the controller. In the prior art, a driving circuit board of a controller is directly fixed with an armature assembly to form an integrated structure, the armature assembly and the driving circuit board are electrically connected through a lead, and the driving circuit board is also electrically connected with a power adapter through a lead. When the linear motor is used as a driving mechanism of an automatic door (or a gate), a driving circuit board is difficult to be detached independently as a component with relatively high maintenance frequency, because the length of the whole track frame is about twice of the length of a stator component, the lower part of the stator component is blocked by a rotor component with the same length, and an electromagnetic lock and a power adapter are arranged on two sides of the stator component in the track frame, so that the available space length is further reduced, and the whole stator component cannot be taken out from the bottom of the track frame on the premise of not detaching a door plate (or a gate plate) and the track frame. In order to realize that the stator assembly can be taken out without disassembling the door plate (or the gate plate) and the track frame, the stator assembly is divided into a plurality of sections by adopting a combined design, the plurality of sections at this point at least comprise a controller section 3 and an armature assembly section 4, as shown in fig. 3, the controller section 3 containing the driving circuit board is divided into three sections, and the armature assembly sections 4 at the two ends are respectively divided into one section. If the armature assembly is used on a door plate or a gate plate with larger size, the controller section can be further divided into a plurality of sections, and the armature assembly section can be also divided into a plurality of sections which are flexibly designed according to requirements. Considering making things convenient for the dismouting, here encapsulates the protection with every section structure with epoxy alone, and the stator module outside that forms just so need not the cover and establishes the motor casing, and the epoxy plastic-sealed body still has better radiating effect.

The segmented armature assembly segment 4 and the controller segment 3 are electrically connected in a side end face contact type or plug-in type mode, so that the electrical connection relation can be released through translation during disassembly, and disassembly and assembly are more convenient. When the plug-in type is adopted, the plug-in type can be realized by pulling out the plug-in component, for example, a male plug is installed on one end face, and a female plug is installed on the other end face, but for the structural simplification, the structure of contact type electrode plates is recommended to be adopted to establish the electrical connection relation. As shown in fig. 4 and 5, an L-shaped end cap 43 is disposed on the side end face of the armature assembly 4 and exposed outside the plastic package body, a metal sheet 45 is attached to the outer side face of the end cap 43, a protruding electrode reed 33 is disposed on the side end face of the controller section 3, the electrode reed 33 is electrically connected to the internal driving circuit board, and after the side end faces of the armature assembly section 4 and the controller section 3 are butted, the electrode reed 33 contacts with the metal sheet 45 to establish electrical signal connection. In order to align the controller section 3 and the armature assembly section 4 accurately when they are connected, a pair of mutually matched limiting parts may be respectively disposed on the side end surface of the controller section 3 and the side end surface of the armature assembly section 4, for example, a positioning bump 31 is disposed at the lower part of the side end surface of the controller section 3, a positioning hole 44 is disposed at a corresponding position of the end cover 43, and the positioning bump 31 is inserted into the positioning hole 44 to connect and limit the controller section 3 and the armature assembly section 4. A recess 32 may be provided on the upper side of the controller block 3 side end surface, and an electrode lead 33 may be provided at the recess 32.

The armature assembly segment 4 includes a silicon steel sheet laminated structure 41 inside, a bobbin 42 (the bobbin is shown on only one comb tooth in fig. 3 for simplicity) is disposed on the comb tooth at the bottom of the silicon steel sheet laminated structure 41, a coil is wound on the bobbin 42, and end caps 43 are disposed at two ends of the silicon steel sheet laminated structure 41. The end cap 43, which is the end connected to the controller section 3, may be provided with a positioning hole 44, and the end cap 43, which is not connected to the controller section 3, may not be provided with a positioning hole 44.

When the linear motor formed by the segmented stator assembly is used for a driving mechanism of an automatic door (or a gate), the mounting structure is as follows: firstly, an aluminum alloy track frame 1 for accommodating a linear motor is introduced, as shown in fig. 2, the structure of the track frame 1 is similar to the existing structure, the interior of the track frame is divided into a stator assembly accommodating cavity 101 and a rotor assembly accommodating cavity 102 which are communicated with each other, the two accommodating cavities are divided into spaces through supporting plates 103 arranged on the side walls, a stator assembly accommodating cavity opening surface is formed between the supporting plates 103 on the two sides, bottom plates 104 are symmetrically arranged on the side wall of the bottom of the rotor assembly accommodating cavity 102, a rotor assembly accommodating cavity opening surface is formed between the bottom plates 104 on the two sides, the stator assembly of the linear motor is arranged in the stator assembly accommodating cavity 101, and the rotor assembly 2 is arranged in the rotor assembly accommodating cavity 102; the external widths of the controller section 3 and the armature assembly section 4 of the stator assembly are smaller than the widths of the opening surface of the stator assembly accommodating cavity and the opening surface of the rotor assembly accommodating cavity, so that the segmented stator assembly can be taken out from the bottom of the track frame 1.

The stator assembly is fixed in the stator assembly accommodating cavity 101 by a fastening method, as shown in fig. 7 to 9, a fastening part for mounting and fixing is provided at an end of the armature assembly segment 4, the fastening part may be of a telescopic structure, for example, an elastic fastening piece extending outward is fastened and fixed with the support part 103, and the elastic fastening piece is pressed inward to make the elastic fastening piece contract and separate from the support part 103; the buckling part can also adopt a buckling piece capable of rotating along the pivot point, and the embodiment is shown in the mode as the optimization. The locking part comprises a pair of locking parts 46 with the same structure, an adjusting bolt 47 and a torsion spring (not shown in the figure), wherein the locking part 46 is provided with four connecting

surfaces

461 and 464 which are perpendicular to each other, the four connecting surfaces enclose to form a structure with an unsealed side surface and a hollow cavity inside, the tops of the two opposite connecting

surfaces

461 and 463 are installed on the end cover 43 by pins, and the torsion spring is sleeved on the pins to enable the locking parts to rotate along the pivot point. Clamping

notches

465 and 466 are formed in the outer sides of the bottoms of the connecting

surfaces

461 and 463, the two clamping pieces are arranged in a central symmetry mode, the adjusting bolt 47 is installed on the top surface of the end cover 43, the adjusting bolt 47 longitudinally penetrates through the inner cavities of the two clamping pieces, the adjusting bolt 47 rotates towards the direction far away from the cavities, the clamping piece 46 rotates towards the side wall direction of the track frame 1 along the pivot point under the action of the torsion spring, and the clamping notches are just clamped and limited with the supporting plate 103 to fix the stator assembly; the adjusting bolt 47 rotates towards the direction close to the cavity, the adjusting bolt 47 rotates the buckling piece along the pivot point in the opposite direction after contacting the connecting surface 464 of the buckling piece, and the buckling gap is separated from the supporting plate 103 to detach the stator assembly.

When the driving structure is used for an automatic door (or a gate), the rotor assembly 2 comprises a magnet 22, a coil and rollers 21 at two sides, the rollers 21 roll along a bottom plate 104 on the track frame 1, the bottom of the rotor assembly 2 is provided with a connecting piece 6, and a door plate (or a gate plate) is fixed with the connecting piece 6 and can horizontally move along with the rotor assembly 2 to realize the opening and closing of the door. In order to facilitate easy disconnection between the controller section 3 and the power adapter during disassembly, the stator assembly accommodating cavity 101 on the track frame 1 is further provided with the power adapter and a power-on circuit board 5 (as shown in fig. 6) electrically connected with the power adapter, and the controller section 3 is provided with an electrical connection part exposed outside the plastic package body, the electrical connection part may be of a plug-in type structure, or may be of a contact electrode sheet structure. When needing to demolish controller section 3 and maintaining and changing, only need push away door plant (or flashboard) to track frame 1 one of them one end, remove and expose outside behind the armature subassembly section 4 of one end and backup pad 103 joint relation, with the separation of this armature subassembly section 4 outside lateral translation and controller section 3, can demolish this section armature subassembly section 4 from track frame 1 bottom, then take out controller section 3 downwards and remove the electric connection relation with circular telegram circuit board 5, when one section armature subassembly 4 need be demolishd in addition, can dismantle door plant (or flashboard) translation to track frame 1 other one end, need not to dismantle door plant (or flashboard) and track frame 1, just can be light install or maintain and change stator module.

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

Claims

1. Linear electric motor mounting structure, including linear electric motor and track frame, linear electric motor includes stator module and active cell subassembly, the track frame holds the chamber and active cell subassembly holds the chamber including the stator module of mutual intercommunication, two are held the chamber and are carried out the space division through the backup pad that sets up on the lateral wall, it holds the chamber opening face to form stator module between the backup pad of both sides, active cell subassembly holds the symmetry on the bottom lateral wall in chamber and is equipped with the bottom plate, it holds the chamber opening face to form active cell subassembly between the bottom plate of both sides, linear electric motor's stator module setting holds the intracavity at stator module, active cell subassembly sets up and holds the intracavity at active cell subassembly, its characterized in that: stator module adopts the combination of multistage formula structure to form, stator module includes a controller section and an armature subassembly section at least, the controller section is passed through the side end face contact with the armature subassembly section or the plug-in type realizes the electricity is connected, the width of controller section and armature subassembly section all is less than stator module and holds the width that chamber opening face and active cell subassembly hold the chamber opening face, the tip of armature subassembly section is equipped with the buckle portion, the buckle portion carries on spacingly with track frame's backup pad joint to stator module.

2. The linear motor mounting structure of claim 1, wherein: and the side end surface of the controller section and the side end surface of the armature assembly section are respectively provided with a limiting part which is matched with each other.

3. The linear motor mounting structure according to claim 2, wherein: the limiting part on the side end face of the controller section is a positioning salient point, and the limiting part on the side end face of the armature assembly section is a positioning hole.

4. The linear motor mounting structure of claim 1, wherein: the side end face of the controller section and the side end face of the armature assembly section are respectively provided with a plug-in type electric connection structure or a contact type electrode plate which are matched with each other; the inside of armature subassembly section includes silicon steel sheet laminated structure, coil and magnet, and the outside of armature subassembly section is the epoxy plastic-sealed body.

5. The linear motor mounting structure according to claim 4, wherein: the plastic package body of the controller section is further provided with an electric connection part, a stator assembly accommodating cavity on the track frame is further provided with a power adapter and a power-on circuit board electrically connected with the power adapter, and the electric connection part adopts a plug-in structure or a contact type electrode plate to establish an electric signal connection relation with the power-on circuit board.

6. The linear motor mounting structure of claim 1, wherein: the buckling part is clamped by a telescopic elastic reed or a buckling piece which can rotate along a pivot point.

7. The linear motor mounting structure of claim 6, wherein: the clamping part is clamped by a clamping piece which can rotate along a pivot point, the clamping piece rotates towards the side wall direction of the stator assembly accommodating cavity and forms a clamping relation with the supporting plate to limit the armature assembly, and the clamping piece rotates towards the side wall direction back to the stator assembly accommodating cavity and is separated from the supporting plate to relieve the limitation on the armature assembly.

8. The linear motor mounting structure of claim 7, wherein: the buckle portion is including fixing end cover, a pair of buckle spare that the structure is the same at armature assembly section tip, installing buckle spare on the end cover pin, be used for driving buckle spare pivoted torsional spring and adjusting bolt, and two buckle spares adopt central symmetry to lay, and the bottom of buckle spare is equipped with the joint breach, and adjusting bolt installs on the end cover, and adjusting bolt can make buckle spare rotate along the pin joint point equidirectional not along two different direction motions.

9. The linear motor mounting structure of claim 8, wherein: the clamping piece is provided with four connecting faces which are perpendicular to each other, the four connecting faces are enclosed into a cavity structure with an unsealed side face and an upper opening and a lower opening, the tops of two opposite connecting faces are installed on the end cover through pins, the torsional springs are sleeved on the pins, clamping notches are formed in the bottoms of two opposite connecting faces at the pivot point, the side opening parts of the two clamping pieces are mutually hooked, and a gap is reserved in the middle of the two clamping pieces to enable the adjusting bolt to longitudinally pass through.

10. The utility model provides an automatic door or floodgate machine of easy to assemble and maintenance which characterized in that: including the linear motor mounting structure of any one of claims 1 to 9 and a door plate/shutter, a mover assembly including a magnet, a coil and rollers at both sides, the rollers rolling along a base plate on a rail frame, a coupling member provided at a bottom of the mover assembly, the door plate/shutter being fixed to the coupling member.