CN214945903U - Brake of integrated multi-point braking heavy-load elevator tractor - Google Patents
Brake of integrated multi-point braking heavy-load elevator tractor Download PDFInfo
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- CN214945903U CN214945903U CN202120702217.2U CN202120702217U CN214945903U CN 214945903 U CN214945903 U CN 214945903U CN 202120702217 U CN202120702217 U CN 202120702217U CN 214945903 U CN214945903 U CN 214945903U
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Abstract
The utility model provides an integration multiple spot braking heavy load elevator hauler's stopper, it makes the braking of friction disc and brake disc fully even, and the air gap exempts from to transfer the easy operation convenience of structure, yoke and armature can not produce sharp-pointed noise when adsorbing fast, ensures the lasting effectual braking of whole structure. It comprises two armatures, two groups of magnetic yokes and a brake pad; the two magnet yokes are arranged on two side planes in a row and are connected through a front upper barrier strip and a front lower barrier strip to form an integral structure; independent armatures are placed on the inner end face of each group of magnetic yokes, guide through holes which penetrate through the magnetic yokes in the axial direction are evenly distributed on the end face of each armature, positioning mounting holes are correspondingly arranged on the positions of the magnetic yokes corresponding to the guide through holes, fixing guide pillars are installed in the guide through holes, the length of each fixing guide pillar is larger than the thickness of the corresponding armature, and mounting bolts penetrate through the positioning mounting holes and the fixing guide pillars and then are fixedly connected to a traction machine fixing component.
Description
Technical Field
The utility model relates to a technical field of hauler braking structure specifically is stopper of integration multiple spot braking heavy load elevator hauler.
Background
The structure of the existing tractor brake is shown in figure 1, two fixed armatures form an integral structure through a connecting plate at the central position, each armature is connected with a magnetic yoke through a guide post, an electromagnetic coil is arranged in the armature structure, friction plates are arranged on the end faces, far away from the armatures, of the two magnetic yokes, the friction plates are arranged towards the corresponding end faces of a brake disc, so that the magnetic yokes are attached to the armatures in an electrified state, an elastic guide structure is arranged between the end faces of each armature and the magnetic yoke, the magnetic yokes and the armatures generate working air gaps under the elastic action of the elastic guide structures in an unpowered state, the friction plates are attached to the corresponding end faces of the brake disc, and the brake of a traction wheel is completed, in the structure, a group of air gap adjustment-free structures are further arranged between each armature and the magnetic yokes, and the air gap adjustment-free structures are arranged at the central positions of the armatures, in actual use, the air gap adjustment-free structure is inconvenient to operate, and a hexagonal wrench is needed for operation; and current stopper is at the brake braking in-process, and armature and yoke when by band-type brake to the release brake transition, the yoke can adsorb with armature fast, produces great noise, and the striking can influence the assembly progress of whole stopper in the time of the time.
Disclosure of Invention
To the above problem, the utility model provides an integration multiple spot braking heavy load elevator hauler's stopper, it makes the braking of friction disc and brake disc fully even, and the air gap exempts from to transfer easy operation convenience, yoke and armature of structure can not produce sharp-pointed noise when adsorbing fast, ensures the lasting effectual braking of whole structure.
Integration multiple spot braking heavy load elevator hauler's stopper, its characterized in that: it comprises two armatures, two groups of magnetic yokes and a brake pad;
the two magnet yokes are arranged on two side planes in a row and are connected through a front upper barrier strip and a front lower barrier strip to form an integral structure;
an independent armature is placed on the inner end face of each group of magnetic yokes, guide through holes which penetrate through the magnetic yokes in the axial direction are uniformly distributed on the end face of each armature, positioning mounting holes are correspondingly formed in the positions, corresponding to the guide through holes, of the magnetic yokes, fixing guide pillars are installed in the guide through holes, the length of each fixing guide pillar is larger than the thickness of the corresponding armature, and mounting bolts penetrate through the positioning mounting holes and the fixing guide pillars and then are fixedly connected to a traction machine fixing component;
a plurality of spring installation cavities are arranged between the opposite installation end faces of the armature and the magnetic yoke, a corresponding linear spring is arranged in each spring installation cavity, two ends of each linear spring are respectively mounted on the armature and the magnetic yoke in a jacking manner, friction plates are externally connected to the end faces, far away from the magnetic yoke, of the armatures, and the friction plates are arranged towards the corresponding end faces of the brake disc; an electromagnetic coil is arranged in the magnetic yoke;
each group of the magnetic yokes is provided with a first air gap adjustment-free structure and a second air gap adjustment-free structure, the inner end of a pull rod of each air gap adjustment-free structure is fixedly connected with a corresponding fixed position of an armature, the first air gap adjustment-free structure comprises an exposed first driving wrench, the second air gap adjustment-free structure comprises an exposed second driving wrench, the outer end of the pull rod at the corresponding position is respectively in threaded connection with the first driving wrench or the second driving wrench, operating handles of the first driving wrench and the second driving wrench are connected through a connecting rod assembly, the connecting rod assembly comprises a driving rod and two transmission rods, the driving rod is positioned between the first driving wrench and the second driving wrench, different positions in the length direction of the driving rods are respectively in pin joint connection with first ends of the two transmission rods, and second ends of the two transmission rods are respectively and correspondingly connected with the first driving wrench, The driving end of the driving rod is exposed out of the surface area of the magnetic yoke, and the driving rod synchronously drives two air gap adjustment-free structures of the corresponding magnetic yoke to complete manual brake contracting or releasing;
orientation of yoke a plurality of indent packing ring mounting grooves of still having arranged of the terminal surface of armature, packing ring mounting groove intercommunication has adjusting bolt hole, adjusting bolt hole runs through extremely the surface of yoke, adjusting bolt's bolt end runs through evagination behind the adjusting bolt hole in the surface of yoke and lock attach there is adjusting nut, adjusting bolt's bolt head is located in the packing ring mounting groove, the bolt head is pressed firmly the first terminal surface of O type circle, the second terminal surface orientation of O type circle the terminal surface of armature is arranged, and it carries out the silence through O type circle when making yoke and armature adsorb fast and handles, can not produce sharp-pointed noise.
It is further characterized in that:
a connecting sleeve is further arranged in the central area between the two groups of magnetic yokes, the flange part of the connecting sleeve is fixedly connected to the corresponding positions of the two magnetic yokes, the corresponding tractor rotating shaft penetrates through the brake disc and then is inserted into the connecting sleeve, and an avoiding notch is formed in the position of the magnetic yoke corresponding to the connecting sleeve, so that the width of the whole structure is reduced, and the arrangement is convenient;
the spring mounting cavity is specifically a cavity only arranged on the magnet yoke, and the magnet yoke is thicker in thickness, so that the processing and manufacturing are convenient;
a plurality of axial guide structures are arranged between each armature and the magnetic yoke, each axial guide structure comprises a connecting bolt, a guide post, a first guide hole groove and a second guide hole, a plurality of first guide hole grooves are formed in the end face, facing the armature, of the magnetic yoke in a concave manner, corresponding second guide holes arranged corresponding to the first guide hole grooves are formed in the corresponding end face of the armature, the second guide hole penetrates through the thickness direction of the armature, the first guide hole groove and the second guide hole have the same aperture, one part of the guide post is positioned in the first guide hole groove, the other part of the guide post is positioned in the second guide hole, the connecting bolt is inserted into the thickness direction positioning hole of the magnet yoke from outside to inside, is fixedly inserted into the guide post and locks the guide post, when the magnetic yoke and the armature generate relative axial movement, the guide post ensures that the movement direction of the armature only generates axial movement;
the magnetic yoke is provided with a first concave ring groove corresponding to the outer end face of each air gap adjustment-free structure, a through unthreaded hole is arranged at the center of the first concave ring groove, each air gap adjustment-free structure comprises a pull rod with a threaded section, a nut structure, a thrust bearing and a driving spanner, the driving spanner comprises a threaded connection end and an operating handle, the threaded connection end is in threaded connection with the threaded section of the pull rod, the inner ring face of the threaded connection end is provided with a concave conical ring groove, the inner end of the threaded section of the pull rod penetrates through the unthreaded hole and then is axially and fixedly connected to the corresponding locking end of an armature, a plurality of steel balls are uniformly distributed in an integral installation cavity formed by combining the first concave ring groove and the concave conical ring groove, the nut structure is installed at the initial part of the threaded section of the pull rod, and the thrust bearing is arranged between the outer end faces of the threaded connection end of the nut structure and the driving spanner, the thrust bearing ensures the radial rotation function of the driving spanner;
the length of the threaded section of the pull rod ensures that a working air gap between the opposite end faces of the armature and the magnetic yoke is a set size after the pull rod is inserted in place;
the nut structure is a double-nut structure, and the nut structure is ensured not to move axially along with the thread section;
the upper surface that armature, yoke combination formed is covered and is equipped with the shroud, the shroud thickness direction extends to the upper surface area of yoke, ensures the reliable safety of inside electrical connection.
After the technical scheme is adopted, the movable plate of the brake is the armature, the magnetic yoke is divided into the independent magnetic yokes corresponding to the two armatures to be processed respectively, the corresponding magnetic yokes are assembled and connected into a whole through the front upper retaining strip and the front lower retaining strip, in the practical process, two groups of mutually independent brake assemblies are formed, when any one group or each group of parts needs to be replaced, the whole brake is further provided with a first air gap adjustment-free structure and a second air gap adjustment-free structure which are driven by the driving connecting rod, the driving rod synchronously drives the two air gap adjustment-free structures of the corresponding magnetic yokes to complete manual brake contracting or releasing, the manual brake releasing only needs to drive the driving rod when power is cut off, and the operation of the air gap adjustment-free structure is simple and convenient; and whole structure is two sets of independent armatures, the brake block that yoke controlled, whole stopper can produce 2 x 6000 N.m's braking moment (every armature, the yoke can all produce 6000 N.m's braking moment), it makes the braking of friction disc and brake disc fully even, brake performance is good, and carry out the silence through O type circle when yoke and armature adsorb fast and handle, can not produce sharp noise, the distance of O type circle evagination in the packing ring mounting groove is controlled through adjusting bolt's feeding, can not produce sharp noise when making yoke and armature adsorb fast, guarantee the lasting effectual braking of whole structure.
Drawings
Fig. 1 is a schematic perspective view of a conventional brake;
fig. 2 is a schematic front view structure diagram of the present invention;
fig. 3 is a rear view structure diagram of the present invention;
fig. 4 is a side view cross-sectional structural schematic diagram of the present invention;
fig. 5 is a schematic top view (with the cover removed) of the present invention;
the names corresponding to the sequence numbers in the figure are as follows:
the brake comprises an armature 1, two groups of magnetic yokes 2, a brake pad 3, a front upper blocking strip 4, a front lower blocking strip 5, a guide through hole 6, a positioning and mounting hole 7, a fixing guide post 8, a mounting bolt 9, a spring mounting cavity 10, a linear spring 11, a cover 12, a first air gap adjustment-free structure 13, a second air gap adjustment-free structure 14, a pull rod 15, a first driving wrench 16, a second driving wrench 17, an operating handle 18, a driving rod 19, a driving rod 20, a gasket mounting groove 21, an adjusting bolt hole 22, an adjusting bolt 23, a bolt head 231, an adjusting nut 24, an O-shaped ring 25, a connecting sleeve 26, a flange part 261, a connecting bolt 27, a guide post 28, a first guide hole groove 29, a second guide hole 30, a steel ball 31, a through unthreaded hole 32, a nut structure 33, a thrust bearing 34 and a first concave annular groove 35.
Detailed Description
The brake of the integrated multi-point braking heavy-load elevator tractor is shown in figures 2-5: the magnetic brake comprises two armatures 1, two groups of magnetic yokes 2 and a brake block 3; the two groups of magnetic yokes 2 are arranged in a plane on two sides in rows, and the two groups of magnetic yokes 2 are connected through a front upper barrier strip 4 and a front lower barrier strip 5 to form an integral structure; an independent armature 1 is placed on the inner end face of each group of magnetic yokes 2, guide through holes 6 which axially penetrate through are uniformly distributed on the end face of each armature 1, positioning mounting holes 7 are correspondingly arranged at positions of the magnetic yokes 2 corresponding to the guide through holes 6, fixing guide pillars 8 are installed in the guide through holes 6, the length of each fixing guide pillar 8 is larger than the thickness of the corresponding armature 1, and mounting bolts 9 penetrate through the positioning mounting holes 7 and the fixing guide pillars 8 and are fixedly connected to a tractor fixing part (not shown in the drawing and belonging to the existing mature structure);
a plurality of spring installation cavities 10 are arranged between opposite installation end faces of the armature 1 and the magnetic yoke 2, a corresponding linear spring 11 is arranged in each spring installation cavity 10, two ends of each linear spring 11 are respectively abutted to the armature 1 and the magnetic yoke 2, the end face, far away from the magnetic yoke 2, of the armature 1 is externally connected with a brake pad 12, the brake pad 12 is arranged towards the corresponding end face of the brake disc, the brake disc is fixedly sleeved with a rotating shaft of the traction wheel, and an electromagnetic coil (not shown in the drawing, belongs to the existing mature structure and can be arranged according to the actual structure) is arranged in the magnetic yoke 2;
a first air gap adjustment-free structure 13 and a second air gap adjustment-free structure 14 are arranged on each magnetic yoke 2, the inner end of a pull rod 15 of each air gap adjustment-free structure is fixedly connected with a corresponding fixed position of the armature 2, the first air gap adjustment-free structure 13 comprises an exposed first driving wrench 16, the second air gap adjustment-free structure 14 comprises an exposed second driving wrench 17, the outer end of the pull rod 15 at the corresponding position is respectively in threaded connection with the first driving wrench 16 or the second driving wrench 17, operating handles 18 of the first driving wrench 16 and the second driving wrench 17 are connected through a connecting rod assembly, the connecting rod assembly comprises a driving rod 19 and two transmission rods 20, the driving rod 19 is positioned between the first driving wrench 16 and the second driving wrench 17, different positions of the driving rod 19 in the length direction are respectively in pin joint connection with first ends of the two transmission rods 20, and second ends of the two transmission rods 20 are respectively and correspondingly connected with the first driving wrench 16, An operating handle 18 of a second driving wrench 17, a driving end of a driving rod 19 is exposed out of the surface area of the magnetic yoke 2, and the driving rod 19 synchronously drives two air gap adjustment-free structures of the corresponding armature 1 to complete manual brake contracting or brake releasing;
a plurality of concave gasket mounting grooves 21 are further arranged on the end face, facing the armature 1, of the magnetic yoke 2, the gasket mounting grooves 21 are communicated with adjusting bolt holes 22, the adjusting bolt holes 22 penetrate through the outer surface of the magnetic yoke 2, bolt ends of the adjusting bolts 23 penetrate through the adjusting bolt holes 22 and then protrude out of the outer surface of the magnetic yoke 2 and are locked with adjusting nuts 24, bolt heads 231 of the adjusting bolts 23 are located in the gasket mounting grooves 21, first end faces of O-shaped rings 25 are fixedly pressed on the bolt heads 231, second end faces of the O-shaped rings 25 are arranged facing the end face of the armature 1, and when the magnetic yoke 2 and the armature 1 are adsorbed fast, mute processing is carried out through the O-shaped rings 25, and sharp noise cannot be generated.
A connecting sleeve 26 is further arranged in the central area between the two magnet yokes 2, a flange part 261 of the connecting sleeve 26 is fixedly connected to the corresponding position of the two magnet yokes 2, the corresponding tractor rotating shaft penetrates through the brake disc and then is inserted into the connecting sleeve 26, and an avoiding gap is formed in the position of the magnet yoke 2 corresponding to the connecting sleeve 26, so that the width of the whole structure is reduced, and the arrangement is convenient;
the spring installation cavity 10 is specifically a cavity body only arranged on the magnet yoke 2, and the magnet yoke 2 is thicker in thickness, so that the processing and manufacturing are convenient;
a plurality of axial guide structures are further arranged between each armature 1 and the magnetic yoke 2, each axial guide structure comprises a connecting bolt 27, a guide post 28, a first guide hole groove 29 and a second guide hole 30, a plurality of first guide hole grooves 29 are formed by inwards recessing the end face of the magnetic yoke 2 facing the armature 1, corresponding second guide holes 30 arranged corresponding to the first guide hole grooves 29 are arranged on the corresponding end face of the armature 1, the second guide holes 30 are arranged in the thickness direction of the armature 1, the diameters of the first guide hole grooves 29 and the second guide holes 30 are the same, one part of the guide post 28 is positioned in the first guide hole grooves 29, the other part of the guide post 28 is positioned in the second guide holes 30, the connecting bolt 27 is inserted into the positioning hole in the thickness direction of the magnetic yoke 2 from outside to inside and is fixedly inserted into the guide post 28 and the locking guide post 28, and when the magnetic yoke 2 and the armature 1 generate relative axial movement, The guide post 28 ensures that the direction of movement of the armature 1 only produces an axial movement;
the magnetic yoke 2 is provided with a first concave ring groove 35 corresponding to the outer end face of each air gap adjustment-free structure, the center of the first concave ring groove 35 is provided with a through unthreaded hole 32, each air gap adjustment-free structure comprises a pull rod 15 with a threaded section, a nut structure 33, a thrust bearing 34 and a driving wrench, the driving wrench comprises a threaded connection end and an operating handle 18, the threaded connection end is in threaded connection with the threaded section of the pull rod 15, the inner ring face of the threaded connection end is provided with a concave conical ring groove, the inner end of the threaded section of the pull rod 15 penetrates through the through unthreaded hole 32 and then is axially fixedly connected with a corresponding locking end of the armature 1, a plurality of steel balls 31 are uniformly distributed in an integral installation cavity formed by combining the first concave ring groove 35 and the concave conical ring groove, the nut structure 33 is installed at the initial part of the threaded section of the pull rod 15, and the thrust bearing 34 is arranged between the nut structure 33 and the outer end face of the threaded connection end of the driving wrench, the thrust bearing 34 ensures the radial rotation function of the driving wrench;
the length of the thread section of the pull rod 15 ensures that a working air gap between the opposite end surfaces of the armature 1 and the magnetic yoke 2 is a set size after the armature is inserted in place;
the nut structure 33 is embodied as a double nut structure, which ensures that the nut structure 33 does not move axially with the thread segments;
the upper surface that armature 1, yoke 2 combination formed is covered and is equipped with shroud 12, and shroud 12 is adorned in the upper surface of yoke 2 admittedly, and the upper surface region of yoke 2 is extended to shroud 12 thickness direction, ensures the reliable safety of inside electrical connection.
The magnet yoke 2 is of an integral outer frame structure and is internally provided with an electromagnetic coil, and the integral processing design and manufacture are convenient and reliable.
The working principle is as follows: the movable plate of the brake is an armature, a magnetic yoke is divided into independent magnetic yokes corresponding to the two armatures to be respectively processed, the corresponding magnetic yokes are integrally assembled and connected through a front upper baffle bar and a front lower baffle bar, in the practical process, two groups of mutually independent brake components are formed, when any group or each group of components needs to be replaced, the whole brake is further provided with a first air gap adjustment-free structure and a second air gap adjustment-free structure which are driven by a driving connecting rod, the driving rod synchronously drives the two air gap adjustment-free structures of the corresponding magnetic yokes to complete manual brake holding or brake releasing, so that the manual brake releasing only needs to drive the driving rod when power is off, and the operation of the air gap adjustment-free structure is simple and convenient; and whole structure is two sets of independent armatures, the brake block that yoke controlled, whole stopper can produce 2 x 6000 N.m's braking moment (every armature, the yoke can all produce 6000 N.m's braking moment), it makes the braking of brake block and brake disc fully even, brake performance is good, and carry out the silence through O type circle when yoke and armature adsorb fast, can not produce sharp noise, the distance of O type circle evagination in the packing ring mounting groove is controlled through adjusting bolt's feeding, can not produce sharp noise when making yoke and armature adsorb fast, guarantee the lasting effectual braking of whole structure.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. Integration multiple spot braking heavy load elevator hauler's stopper, its characterized in that: it comprises two armatures, two groups of magnetic yokes and a brake pad;
the two magnet yokes are arranged on two side planes in a row and are connected through a front upper barrier strip and a front lower barrier strip to form an integral structure;
an independent armature is placed on the inner end face of each group of magnetic yokes, guide through holes which penetrate through the magnetic yokes in the axial direction are uniformly distributed on the end face of each armature, positioning mounting holes are correspondingly formed in the positions, corresponding to the guide through holes, of the magnetic yokes, fixing guide pillars are installed in the guide through holes, the length of each fixing guide pillar is larger than the thickness of the corresponding armature, and mounting bolts penetrate through the positioning mounting holes and the fixing guide pillars and then are fixedly connected to a traction machine fixing component;
a plurality of spring installation cavities are arranged between the opposite installation end faces of the armature and the magnetic yoke, a corresponding linear spring is arranged in each spring installation cavity, two ends of each linear spring are respectively mounted on the armature and the magnetic yoke in a jacking manner, friction plates are externally connected to the end faces, far away from the magnetic yoke, of the armatures, and the friction plates are arranged towards the corresponding end faces of the brake disc; an electromagnetic coil is arranged in the magnetic yoke;
each group of the magnetic yokes is provided with a first air gap adjustment-free structure and a second air gap adjustment-free structure, the inner end of a pull rod of each air gap adjustment-free structure is fixedly connected with a corresponding fixed position of an armature, the first air gap adjustment-free structure comprises an exposed first driving wrench, the second air gap adjustment-free structure comprises an exposed second driving wrench, the outer end of the pull rod at the corresponding position is respectively in threaded connection with the first driving wrench or the second driving wrench, operating handles of the first driving wrench and the second driving wrench are connected through a connecting rod assembly, the connecting rod assembly comprises a driving rod and two transmission rods, the driving rod is positioned between the first driving wrench and the second driving wrench, different positions in the length direction of the driving rods are respectively in pin joint connection with first ends of the two transmission rods, and second ends of the two transmission rods are respectively and correspondingly connected with the first driving wrench, The driving end of the driving rod is exposed out of the surface area of the magnetic yoke, and the driving rod synchronously drives two air gap adjustment-free structures of the corresponding magnetic yoke to complete manual brake contracting or releasing;
orientation of yoke a plurality of indent packing ring mounting grooves of still having arranged of the terminal surface of armature, packing ring mounting groove intercommunication has adjusting bolt hole, adjusting bolt hole runs through extremely the surface of yoke, adjusting bolt's bolt end runs through evagination behind the adjusting bolt hole in the surface of yoke and lock attach there is adjusting nut, adjusting bolt's bolt head is located in the packing ring mounting groove, the bolt head is pressed firmly the first terminal surface of O type circle, the second terminal surface orientation of O type circle the terminal surface of armature is arranged.
2. The brake of the integrated multi-point braking heavy-duty elevator traction machine of claim 1, wherein: the central area between two sets of magnet yokes is also provided with a connecting sleeve, the flange part of the connecting sleeve is fixedly connected with the corresponding positions of the two magnet yokes, the corresponding tractor rotating shaft penetrates through the brake disc and then is inserted into the connecting sleeve, and the magnet yokes are provided with avoiding notches corresponding to the position of the connecting sleeve.
3. The brake of the integrated multi-point braking heavy-duty elevator traction machine of claim 1, wherein: the spring mounting cavity is specifically a cavity body which is only arranged on the magnet yoke.
4. The brake of the integrated multi-point braking heavy-duty elevator traction machine of claim 1, wherein: a plurality of axial guide structures are further arranged between each armature and the magnetic yoke, each axial guide structure comprises a connecting bolt, a guide post, a first guide hole groove and a second guide hole, the magnetic yoke faces towards the end face of the armature, the end face of the armature is recessed inwards to form a plurality of first guide hole grooves, corresponding second guide holes arranged corresponding to the first guide hole grooves are arranged on the corresponding end face of the armature, the second guide holes penetrate through the thickness direction of the armature and are arranged, the diameters of the first guide hole grooves and the second guide holes are the same, one part of the guide posts is located in the first guide hole grooves, the other part of the guide posts is located in the second guide holes, and the connecting bolt is inserted into the thickness direction positioning holes of the magnetic yoke from outside to inside and is fixedly inserted into the guide posts and locks the guide posts.
5. The brake of the integrated multi-point braking heavy-duty elevator traction machine of claim 1, wherein: the magnetic yoke is provided with a first concave ring groove corresponding to the outer end face of each air gap adjustment-free structure, a through unthreaded hole is arranged at the center of the first concave ring groove, each air gap adjustment-free structure comprises a pull rod with a threaded section, a nut structure, a thrust bearing and a driving spanner, the driving spanner comprises a threaded connection end and an operating handle, the threaded connection end is in threaded connection with the threaded section of the pull rod, the inner ring face of the threaded connection end is provided with a concave conical ring groove, the inner end of the threaded section of the pull rod penetrates through the unthreaded hole and then is axially and fixedly connected to the corresponding locking end of an armature, a plurality of steel balls are uniformly distributed in an integral installation cavity formed by combining the first concave ring groove and the concave conical ring groove, the nut structure is installed at the initial part of the threaded section of the pull rod, and the thrust bearing is arranged between the outer end faces of the threaded connection end of the nut structure and the driving spanner, the thrust bearing ensures the radial rotation function of the driving wrench.
6. The brake of the integrated multi-point braking heavy-duty elevator traction machine of claim 5, wherein: the length of the thread section of the pull rod ensures that a working air gap between the opposite end faces of the armature and the magnetic yoke is a set size after the pull rod is inserted in place.
7. The brake of the integrated multi-point braking heavy-duty elevator traction machine of claim 5, wherein: the nut structure is a double-nut structure.
8. The brake of the integrated multi-point braking heavy-duty elevator traction machine of claim 1, wherein: and a cover is covered on the upper surface formed by combining the armature and the magnetic yoke, and the thickness direction of the cover extends to the upper surface area of the magnetic yoke.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120702217.2U CN214945903U (en) | 2021-04-07 | 2021-04-07 | Brake of integrated multi-point braking heavy-load elevator tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120702217.2U CN214945903U (en) | 2021-04-07 | 2021-04-07 | Brake of integrated multi-point braking heavy-load elevator tractor |
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| Publication Number | Publication Date |
|---|---|
| CN214945903U true CN214945903U (en) | 2021-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120702217.2U Active CN214945903U (en) | 2021-04-07 | 2021-04-07 | Brake of integrated multi-point braking heavy-load elevator tractor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112943824A (en) * | 2021-04-07 | 2021-06-11 | 浙江弗尔德驱动科技有限公司 | Brake of integrated multi-point braking heavy-load elevator tractor |
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2021
- 2021-04-07 CN CN202120702217.2U patent/CN214945903U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112943824A (en) * | 2021-04-07 | 2021-06-11 | 浙江弗尔德驱动科技有限公司 | Brake of integrated multi-point braking heavy-load elevator tractor |
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