CN218666947U - Head end connection structure - Google Patents

Abstract

The utility model discloses a head end structure of plugging into, include: the device comprises a mounting seat, a driving mechanism, a connecting seat and a limiting belt; the driving mechanism is arranged on the inner side of the mounting seat along the front-back direction; the connecting seat is arranged above the driving mechanism; one end of the limiting belt is fixedly connected to the front side of the top end of the connecting seat, and the other end of the limiting belt can be fixedly connected with the front side of the mounting seat. This head end structure of plugging into, to among the prior art work piece after the displacement to assigned position, receive the influence of inside rotor of motor and screw nut rotation inertia, lead to the work piece can't accurate move to assigned position back mutual butt joint, and then satisfy follow-up magnetic levitation orbital accurate connection and lay, can realize the work piece after the displacement to assigned position, carry out quick braking to the work piece, avoid the work piece to receive external force influence to take place the displacement, can make its accurate removal to assigned position, make things convenient for follow-up magnetic levitation orbital accurate connection to lay.

Description

Head end connection structure

Technical Field

The utility model relates to a magnetic suspension technical field specifically is a head end structure of plugging into.

Background

A magnetic suspension system is composed of a rotor, a sensor, a controller and an actuator 4, wherein the actuator comprises an electromagnet and a power amplifier, the rotor deviates from a reference position if the rotor is disturbed downwards on the reference position, the sensor detects the displacement of the rotor from the reference point, a microprocessor serving as the controller converts the detected displacement into a control signal, then the power amplifier converts the control signal into a control current, and the control current generates a magnetic force in the execution magnet to drive the rotor to return to an original balance position, so that the rotor can be always in a stable balance state no matter the rotor is disturbed downwards or upwards;

in the prior art, the utility model with similar authorization notice number of CN215747573U is adopted for the connection of the head end of the magnetic suspension conveying equipment, and discloses a butt joint device for welding a gas pipeline, which comprises a movable frame and two fixed modules; universal wheels are arranged on the bottom corners of the movable frame, and lock catches are arranged on the universal wheels; a workbench is horizontally fixed at the top of the movable frame, an installation groove is formed in the workbench, a lead screw is rotationally arranged in the installation groove, and one end of the lead screw is connected with a motor; the two fixing modules comprise sliding blocks, pre-fixing plates and fixing pieces; the side surfaces of the sliding blocks are provided with threaded through holes matched with the lead screws, and the rotating directions of the threaded through holes on the two sliding blocks are opposite; the pre-fixing plate is of an arc structure and is fixed at one end, far away from the center of the lead screw, of the sliding block; the fixing piece comprises a first clamping plate and a second clamping plate. The utility model discloses effectively guarantee that the face of weld of two gas pipelines is in vertical state, two faces of weld are closely laminated, guarantee welding quality, because this kind of drive mode adopts the drive mode of lead screw-nut to drive, this kind of drive mode leads to the work piece after shifting to assigned position, receives inside rotor of motor and lead screw nut to rotate inertia and influence, leads to the work piece can't accurate remove each other butt joint after the assigned position, and then satisfies follow-up orbital accurate connection of magnetic levitation and lays.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a head end structure of plugging into to solve the problem that proposes in the above-mentioned background art at least.

In order to achieve the above object, the utility model provides a following technical scheme: a head end docking structure comprising:

a mounting seat;

the driving mechanism is arranged on the inner side of the mounting seat along the front-back direction;

the connecting seat is arranged above the driving mechanism;

and one end of the limiting belt is fixedly connected to the front side of the top end of the connecting seat, and the other end of the limiting belt can be fixedly connected with the front side of the mounting seat.

Preferably, in order to drive the mounting seat and the magnetic suspension rail workpiece carried on the top of the mounting seat to move in the horizontal direction, the driving mechanism comprises; the device comprises a driving mechanism shell, a limiting guide rail, a moving platform, a first micro motor, a lead screw nut seat and a quick braking assembly; the driving mechanism shell is arranged on the inner side of the mounting seat along the front-back direction; the number of the limiting guide rails is two, and the two limiting guide rails are respectively arranged at the left end and the right end of the inner side of the driving mechanism shell along the front-back direction; the movable platform is arranged at the movable end of the limiting guide rail; the first micro motor is arranged at the central position of the rear end of the inner side of the limiting guide rail; the screw rod is connected to the output end of the first micro motor along the front-back direction; the screw nut seat is in threaded connection with the outer wall of the screw rod, and the top end of the screw rod is fixedly connected with the lower surface of the moving platform; the number of the rapid braking assemblies is two, and the two rapid braking assemblies are respectively arranged on the front side and the rear side of the middle part of the bottom end of the moving platform.

Preferably, in order to realize that the workpiece is quickly braked after being moved to the designated position and avoid the workpiece from being influenced by external force to be moved, the quick braking assembly comprises a brake component and a brake component; the rapid braking component comprises a shell, a rotating seat, a braking seat, a half gear seat, a tooth block, a limiting spring, a connecting shaft, a second micro motor and a cam; the shell of the quick braking assembly is connected to the bottom end of the moving platform through screws; the number of the rotating seats is two, the two rotating seats are respectively connected to the left end and the right end of the inner side of the shell of the rapid braking assembly in a rotating mode through pin shafts, and the outer ends of the rotating seats extend out of the inner side of the shell of the rapid braking assembly; the number of the brake seats is two, and the two brake seats are rotatably connected to the inner sides of the outer ends of the left rotating seat and the right rotating seat through pin shafts in the vertical direction; the number of the half gear seats is two, the two half gear seats are respectively and rotatably connected to the left end and the right end of the inner side of the shell of the rapid braking assembly through pin shafts, and the outer ends of the two half gear seats are respectively and rotatably connected with the top ends of the left braking seat and the right braking seat through pin shafts; the number of the tooth blocks is two, and the two tooth blocks are respectively arranged on the left side and the right side of the top end of the inner side of the shell of the rapid braking assembly along the up-down direction; the number of the limiting springs is two, the number of the limiting springs in each group is two, the two groups of limiting springs are respectively arranged on the front side and the rear side of the top ends of the left tooth block and the right tooth block along the up-down direction, and the top ends of the limiting springs are fixedly connected with the inner wall of the shell of the rapid braking assembly; the connecting shaft is rotatably connected to the bottom ends of the inner sides of the left tooth block and the right tooth block through a pin shaft along the left-right direction; the second micro motor is arranged on the inner side of the shell of the quick braking assembly; the cam screw is connected to the output end of the second micro motor, and the outer wall of the cam is in contact with the outer side of the connecting shaft.

Preferably, through holes are formed in the front side and the rear side of the bottom end of the inner side of the shell of the rapid braking assembly and are sleeved with the outer wall of the screw rod.

Preferably, the left and right blocks are respectively engaged with the inner sides of the left and right half gear seats.

Compared with the prior art, the beneficial effects of the utility model are that: this head end structure of plugging into:

1. when the device is used, the first micro motor drives the screw rod to rotate clockwise or anticlockwise, so that the screw rod nut seat drives the moving platform under the action of the rotating force of the screw rod, the moving platform drives the connecting seat to move along the horizontal direction under the limiting action of the limiting guide rail, and the bearing part of the connecting seat moves towards the front side or towards the rear side under the limiting action of the limiting belt;

2. after the mounting seat moves to a specified position, the first micro motor stops driving the screw rod to rotate, the second micro motor drives the outer hub end of the cam to rotate to a position contacting with the connecting shaft, the limiting spring drives the tooth block to move upwards under the action of the self elasticity, the half gear seat drives the brake seat to move downwards under the action of the tooth block, the bottom of the brake seat is further contacted with the inner wall of the shell of the driving mechanism, the moving platform is driven to stop moving, the screw rod nut seat is prevented from driving the moving platform to move under the action of inertia, and therefore accurate moving positioning of the connecting seat and a component at the top of the connecting seat is achieved,

therefore, the workpiece can be quickly braked after being moved to the designated position, the workpiece is prevented from being influenced by external force to move, the workpiece can be accurately moved to the designated position, and the subsequent magnetic suspension rails can be conveniently and accurately connected and laid.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is an exploded view of the drive mechanism of FIG. 2;

FIG. 4 is an exploded view of the quick brake assembly of FIG. 2;

fig. 5 is an enlarged view of fig. 4 at a.

In the figure: 1. the mounting base, 2, actuating mechanism, 21, actuating mechanism shell, 22, spacing guide rail, 23, moving platform, 24, first micro motor, 25, lead screw, 26, lead screw nut seat, 3, the connecting seat, 4, spacing area, 5, quick braking subassembly, 51, quick braking subassembly shell, 52, rotate the seat, 53, the braking seat, 54, the semi-gear seat, 55, the tooth piece, 56, spacing spring, 57, the connecting axle, 58, second micro motor, 59, the cam.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a head end docking structure comprising: the device comprises a mounting seat 1, a driving mechanism 2, a connecting seat 3 and a limiting belt 4; the driving mechanism 2 is arranged on the inner side of the mounting seat 1 along the front-back direction; the connecting seat 3 is arranged above the driving mechanism 2; spacing 4 one end fixed connection in the top front side of connecting seat 3, the other end of spacing 4 can with the front side fixed connection of mount pad 1, spacing 4 can play the limiting action to connecting seat 3 range of motion.

Preferably, further, the driving mechanism 2 includes; the device comprises a driving mechanism shell 21, a limiting guide rail 22, a moving platform 23, a first micro motor 24, a screw rod 25, a screw rod nut seat 26 and a quick braking component 5; the driving mechanism housing 21 is installed inside the mounting base 1 in the front-rear direction; the number of the limit guide rails 22 is two, and the two limit guide rails 22 are respectively arranged at the left end and the right end of the inner side of the driving mechanism shell 21 along the front-back direction; the movable platform 23 is arranged at the moving end of the limit guide rail 22, and the limit guide rail 22 plays a role in limiting the movable platform 23; the first micro motor 24 is arranged at the central position of the rear end of the inner side of the limit guide rail 22; the screw rod 25 is screwed to the output end of the first micro motor 24 along the front-back direction, and the first micro motor 24 can drive the screw rod 25 to rotate clockwise or anticlockwise; the screw nut seat 26 is screwed on the outer wall of the screw rod 25, the top end of the screw rod 25 is fixedly connected with the lower surface of the moving platform 23, and the screw nut seat 26 can move to the front side or the rear side under the action of the rotating force of the screw rod 25; the number of the rapid braking assemblies 5 is two, and the two rapid braking assemblies 5 are respectively arranged on the front side and the rear side of the middle part of the bottom end of the moving platform 23.

Preferably, furthermore, the quick braking assembly 5 comprises; the quick brake assembly comprises a quick brake assembly shell 51, a rotating seat 52, a brake seat 53, a half gear seat 54, a tooth block 55, a limiting spring 56, a connecting shaft 57, a second micro motor 58 and a cam 59; the quick brake assembly housing 51 is screwed to the bottom end of the movable platform 23; the number of the rotating seats 52 is two, the two rotating seats 52 are respectively connected to the left end and the right end of the inner side of the quick brake assembly shell 51 in a rotating mode through pin shafts, the outer ends of the rotating seats 52 extend out of the inner side of the quick brake assembly shell 51, and the rotating seats 52 can rotate inwards or outwards by taking the rotating connection position of the rotating seats and the inner side pin shaft of the quick brake assembly shell 51 as a vertex; the number of the brake seats 53 is two, the two brake seats 53 are rotatably connected to the inner sides of the outer ends of the left rotating seat 52 and the right rotating seat 52 through pin shafts in the vertical direction, and rubber pads can be additionally arranged at the bottoms of the brake seats 53 to increase friction force; the number of the half gear seats 54 is two, the two half gear seats 54 are respectively rotatably connected to the left end and the right end of the inner side of the rapid braking assembly shell 51 through pin shafts, the outer ends of the two half gear seats 54 are respectively rotatably connected with the top ends of the left braking seat 53 and the right braking seat 53 through pin shafts, and the half gear seats 54 can rotate inwards or outwards by taking the rotating connection position of the inner side pin shafts of the rapid braking assembly shell 51 as a vertex; the number of the tooth blocks 55 is two, and the two tooth blocks 55 are respectively arranged on the left side and the right side of the top end of the inner side of the quick brake assembly shell 51 along the up-down direction; the number of the limiting springs 56 is two, the number of each group of limiting springs 56 is two, the two groups of limiting springs 56 are respectively arranged on the front side and the rear side of the top ends of the left tooth block 55 and the right tooth block 55 in the vertical direction, the top ends of the limiting springs 56 are fixedly connected with the inner wall of the shell 51 of the quick braking assembly, the limiting springs 56 have elasticity, the limiting springs 56 can limit the tooth blocks 55 in the moving process, and meanwhile, the limiting springs 56 push the tooth blocks 55 to reset under the elastic action of the limiting springs 56; the connecting shaft 57 is rotatably connected to the bottom ends of the inner sides of the left and right tooth blocks 55 along the left and right directions through a pin shaft; a second micro-motor 58 is arranged inside the quick brake assembly housing 51, and the second micro-motor 58 can drive the cam 59 to rotate; the cam 59 is screwed to the output end of the second micro motor 58, the outer wall of the cam 59 is in contact with the outer side of the connecting shaft 57, and the outer side of the cam 59 near the hub end and the outer side of the cam 59 far from the hub end are in intermittent contact with the outer side of the connecting shaft 57.

As a preferred scheme, furthermore, through holes are opened at the front and rear sides of the bottom end of the inner side of the quick braking assembly housing 51 and are sleeved with the outer wall of the lead screw 25, and the lead screw 25 can pass through the inner side of the quick braking assembly housing 51.

Preferably, the left and right blocks 55 are engaged with the inner sides of the left and right half gear holders 54, respectively, and the blocks 55 are rotated by the half gear holders 54 while moving up and down.

The working principle is as follows: when the connecting seat is used, the first micro motor 24 drives the lead screw 25 to rotate clockwise or anticlockwise, so that the lead screw nut seat 26 drives the moving platform 23 under the action of the rotating force of the lead screw 25, the moving platform 23 drives the connecting seat 3 to move in the horizontal direction under the limiting action of the limiting guide rail 22, the bearing part of the connecting seat 3 under the limiting action of the limiting belt 4 moves towards the front side or towards the rear side, after the connecting seat 3 moves to a specified position, a worker controls the first micro motor 24 to stop driving the lead screw 25 to rotate, and drives the cam 59 to rotate by the second micro motor 58, so that the outer part of the cam 59 close to the hub end rotates to a contact position with the connecting shaft 57, the limiting spring 56 drives the tooth block 55 to move upwards under the self elastic action, and the half gear seat 54 is driven to rotate downwards under the action of the tooth block 55 due to the engagement of the tooth block 55 and the half gear seat 54, and the half gear seat 54 drives the brake seat 53 to move downwards under the limiting action of the rotating seat 52, so that the bottom of the brake seat 53 is contacted with the inner wall of the driving mechanism shell 21, the moving platform 23 stops moving, the screw nut seat 26 is prevented from driving the moving platform 23 to move under the action of inertia, so as to realize the accurate moving and positioning of the components at the top of the connecting seat 3 and the connecting seat 3, the second micro motor 58 can drive the cam 59 to rotate in the opposite direction, the outer hub far end of the cam 59 is driven to rotate to be contacted with the connecting shaft 57 and press the limiting spring 56, the half gear seat 54 drives the brake seat 53 to be separated from being contacted with the inner wall of the driving mechanism shell 21, so as to release the braking state of the moving platform 23, thereby realizing the rapid braking of the workpiece after the workpiece is moved to the designated position, avoiding the workpiece from being displaced under the influence of external force, and enabling the workpiece to accurately move to the designated position, the subsequent accurate connection and laying of the magnetic suspension track are facilitated.

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 (5)

1. A head end connection structure, comprising:

a mounting seat (1);

a drive mechanism (2) arranged inside the mounting base (1);

the connecting seat (3) is arranged above the driving mechanism (2);

and one end of the limiting belt (4) is fixedly connected to the front side of the top end of the connecting seat (3), and the other end of the limiting belt (4) can be fixedly connected with the front side of the mounting seat (1).

2. The head-end docking structure of claim 1, wherein: the drive mechanism (2) comprises;

a drive mechanism housing (21) mounted inside the mount (1);

the number of the limiting guide rails (22) is two, and the two limiting guide rails (22) are respectively arranged at the left end and the right end of the inner side of the driving mechanism shell (21);

the moving platform (23) is arranged at the moving end of the limiting guide rail (22);

the first micro motor (24) is arranged at the central position of the rear end of the inner side of the limit guide rail (22);

the screw rod (25) is connected to the output end of the first micro motor (24) through a screw;

the screw rod nut seat (26) is in threaded connection with the outer wall of the screw rod (25), and the top end of the screw rod (25) is fixedly connected with the lower surface of the moving platform (23);

the quick braking subassembly (5), the quantity of quick braking subassembly (5) is two, two quick braking subassembly (5) set up both sides around the bottom middle part of moving platform (23) respectively.

3. The head-end docking structure of claim 2, wherein: the quick braking assembly (5) comprises;

a quick brake assembly housing (51) screwed to the bottom end of the mobile platform (23);

the number of the rotating seats (52) is two, the two rotating seats (52) are respectively connected to the left end and the right end of the inner side of the quick braking assembly shell (51) in a rotating mode through pin shafts, and the outer end of each rotating seat (52) extends out of the inner side of the quick braking assembly shell (51);

the number of the brake seats (53) is two, and the two brake seats (53) are rotatably connected to the inner sides of the outer ends of the left rotating seat (52) and the right rotating seat (52) through pin shafts in the vertical direction;

the number of the half gear seats (54) is two, the two half gear seats (54) are respectively and rotatably connected to the left end and the right end of the inner side of the shell (51) of the rapid braking assembly through pin shafts, and the outer ends of the two half gear seats (54) are respectively and rotatably connected with the top ends of the left braking seat (53) and the right braking seat (53) through pin shafts;

the number of the tooth blocks (55) is two, and the two tooth blocks (55) are respectively arranged on the left side and the right side of the top end of the inner side of the quick braking assembly shell (51) along the vertical direction;

the number of the limiting springs (56) is two, the number of the limiting springs (56) in each group is two, the two groups of limiting springs (56) are respectively arranged on the front side and the rear side of the top ends of the left tooth block (55) and the right tooth block (55) in the vertical direction, and the top ends of the limiting springs (56) are fixedly connected with the inner wall of the shell (51) of the quick braking assembly;

the connecting shaft (57) is rotatably connected to the bottom ends of the inner sides of the left and right tooth blocks (55) through a pin shaft;

a second micro-motor (58) disposed inside the quick brake assembly housing (51);

and the cam (59) is connected to the output end of the second micro motor (58) through a screw, and the outer wall of the cam (59) is in contact with the outer side of the connecting shaft (57).

4. The head-end docking structure of claim 3, wherein: the front side and the rear side of the bottom end of the inner side of the quick braking assembly shell (51) are respectively provided with a through hole and are sleeved with the outer wall of the screw rod (25).

5. The head end docking structure of claim 3, wherein: the left and right tooth blocks (55) are respectively meshed with the inner sides of the left and right half gear seats (54).

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