CN209797196U - roller type rail clamping device - Google Patents

roller type rail clamping device Download PDF

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Publication number
CN209797196U
CN209797196U CN201822263392.7U CN201822263392U CN209797196U CN 209797196 U CN209797196 U CN 209797196U CN 201822263392 U CN201822263392 U CN 201822263392U CN 209797196 U CN209797196 U CN 209797196U
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CN
China
Prior art keywords
roller
friction disc
electromagnet
rotating frame
clamping device
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Active
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CN201822263392.7U
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Chinese (zh)
Inventor
邹家春
姚荣康
刘坤
李黎
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Hangzhou Huning Elevator Parts Co Ltd
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Hangzhou Huning Elevator Parts Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/16Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
    • B66B5/18Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)

Abstract

The utility model belongs to the technical field of elevators, in particular to a roller type rail clamping device which is applied to an elevator and comprises a base and a rotating frame rotationally connected on the base, wherein both sides of the rotating frame are provided with rollers and braking mechanisms thereof; the guide rail of the elevator penetrates between the rollers on the two sides of the rotating frame so that the guide rail and the rollers on the two sides of the guide rail are always in a tightly-held state and do not derail; when the elevator is in a stop state, the braking mechanism brakes the roller, so that friction resistance is generated between the guide rail and the roller or between the braking mechanism and the roller to prevent the elevator from shaking, and the elevator car is in a stable state; when the elevator is in a running state, the braking mechanism releases the braking of the roller. The rail clamping device solves the problems that the traditional rail clamping device is high in mounting clearance and centering requirements, low in operation reliability, short in service life and the like.

Description

Roller type rail clamping device
Technical Field
The utility model belongs to the technical field of the accessory for the elevator, concretely relates to roller type presss from both sides rail device.
Background
The elevator rail clamping device is used for solving the problem of shaking caused by the fact that people in and out of a high floor go in and out of the elevator, and the shaking is solved by adding the rail clamping device, so that the situation that the people in and out of the elevator easily generate dizziness is prevented.
At present, the problem of shaking is solved by adopting an electromagnet to generate electromagnetic force or a motor to clamp a guide rail through spring driving and releasing. For example, patent publication No. CN102942089B discloses an electromagnetic rail clamping device, which includes a yoke, a coil, an armature, and an armature return assembly, wherein the yoke has two sides, and the coil is sleeved outside the yoke; the two sides of the magnetic yoke are longitudinally used for penetrating through the clamped guide rail, armatures are respectively arranged on the two sides of the magnetic yoke, the inner ends of the armatures are opposite to the guide rail, and the armatures are connected with the armature resetting component; the coil is electrified, the magnetic yoke, the armature and the guide rail form a closed-loop magnetic circuit, and the armature overcomes the acting force of the armature resetting component under the action of electromagnetic attraction and moves towards the guide rail until the guide rail is clamped; after the coil is powered off, the armature loses electromagnetic attraction, moves outwards under the action of the armature resetting component until the armature is restrained by the magnetic yoke to stop moving, and in the state, a certain gap is kept between the inner end face of the armature and the guide rail.
However, the existing electromagnetic rail clamping device has the following disadvantages: the attraction force of the electromagnet is greatly influenced by the gap between the electromagnet and the guide rail and the running position, the work is unreliable, and a larger electromagnet structure is needed. The motor control mode is influenced by the service life of the motor in compression and release control, and when the elevator operates at a frequency, the service life of the whole machine is short, and the cost is high.
SUMMERY OF THE UTILITY MODEL
Based on the above-mentioned not enough that exists among the prior art, the utility model provides a roller type presss from both sides rail device.
In order to achieve the purpose of the utility model, the utility model adopts the following technical scheme:
A roller type rail clamping device is applied to an elevator and comprises a base and a rotating frame which is rotatably connected onto the base, wherein both sides of the rotating frame are provided with rollers and braking mechanisms thereof; the guide rail of the elevator penetrates between the rollers on the two sides of the rotating frame so that the guide rail and the rollers on the two sides of the guide rail are always in a tightly-holding state; when the elevator is in a stop state, the braking mechanism brakes the roller; when the elevator is in a running state, the braking mechanism releases the braking of the roller.
The pre-compression amount of the rollers on the two sides (the distance between the rollers on the two sides) can be adjusted, so that different frictional resistance between the guide rail and the rollers can be obtained during braking, and the requirements of different customers on the damping force can be met.
The electromagnetic force with different sizes, namely the positive pressure of the friction disc, can be generated by the electromagnet by controlling the working voltage or current of the electromagnet, so that different frictional resistance is generated between the friction disc and the roller, the control of the frictional resistance is realized, and the damping force required by different floors or different customers is met.
it can also be integrated on the roller guide shoe structure to form a device integrating guidance and anti-dizziness.
preferably, the brake mechanism includes a friction disc and a drive assembly, the drive assembly driving the friction disc into contact with the roller and causing the friction disc to brake the roller.
Preferably, the driving component is a driving device which moves the friction disc to contact with the roller, and the driving mode is electromagnet driving, spring driving, pneumatic driving, hydraulic driving or motor driving.
according to a preferable scheme, the driving assembly comprises a fixing plate, an electromagnet suction plate, an elastic piece and a push rod, the fixing plate and the electromagnet suction plate are arranged oppositely, the electromagnet suction plate is connected with the rotating frame, the elastic piece is sleeved outside the push rod, the first end of the push rod is fixed on the fixing plate, the second end of the push rod sequentially penetrates through the electromagnet suction plate and the rotating frame to be connected with a friction disc, the friction disc is in clearance fit with the roller, and two ends of the elastic piece respectively abut against the fixing plate and the electromagnet suction plate; the electromagnet is arranged on the fixing plate, when the electromagnet is in a power-on state, the electromagnet and the electromagnet suction plate form magnetic attraction force to enable the fixing plate to move towards the direction of the electromagnet suction plate, and the fixing plate is linked with the elastic piece to compress and the push rod to push the friction disc; when the electromagnet is switched from the power-on state to the power-off state, the compressed elastic piece resets to sequentially link the fixing plate, the push rod and the friction disc to reset so as to separate the friction disc from the roller. The electromagnet can also be set to be a normally-on electromagnet, and when the electromagnet is powered off, the friction disc is in contact with the roller under the action of the spring force, so that the friction disc brakes the roller.
As a preferred scheme, the push rods are provided with a plurality of push rods which are parallel to each other and are uniformly distributed along the circumferential direction of the fixing plate; the push rods correspond to the elastic pieces one by one.
Preferably, the rotating frame is provided with a first mounting hole arranged along the penetrating direction of the push rod, a linear bearing is arranged in the first mounting hole, and the push rod penetrates through and is movably matched with the linear bearing.
Preferably, the second end of the push rod is fixedly connected with the friction disc.
Preferably, the elastic member is a compression spring.
Preferably, a wheel shaft of the roller penetrates through the friction disc to be connected with the rotating frame, and a limiting piece is sleeved outside the wheel shaft; when the friction disc is reset to the target position, the limiting piece limits the friction disc.
Preferably, the limiting member is a convex structure with an axial through hole, and comprises a limiting part and a convex part positioned on the limiting part, the limiting part abuts against the rotating frame, the convex part penetrates through the friction disc and is inserted and matched in the roller, and the friction disc abuts against the limiting part; and the wheel shaft of the roller penetrates through the axial through hole of the limiting part to the rotating frame and is fixedly connected with the rotating frame.
Preferably, an L-shaped mounting frame is arranged on the base and comprises a horizontal part and a vertical part, the horizontal part is fixedly connected with the base, and the vertical part is connected with the rotating frame through a rotating shaft pin.
as a preferred scheme, the distance between the rollers at two sides is adjusted, so that different frictional resistance values can be obtained between the guide rail and the rollers during braking;
By controlling the working voltage or current of the electromagnet, the electromagnet generates electromagnetic force with different sizes, namely positive pressure of the friction disc, so that different frictional resistance is generated between the friction disc and the roller, and the control of the frictional resistance is realized.
Preferably, the roller type rail clamping device is integrated on a roller guide shoe structure to form a device integrating guiding and dizziness preventing.
compared with the prior art, the utility model, beneficial effect is:
The roller type rail clamping device of the utility model can not derail through the linkage of the rollers at the two sides and the elevator guide rail and the tight state of the rollers and the elevator guide rail all the time; the roller is braked by the braking mechanism, and frictional resistance is generated between the roller and the guide rail or between the friction disc and the roller, so that the elevator car is in a stable state; the problems of high requirements on installation clearance and centering, low operation reliability, short friction service life and the like of the traditional rail clamping device can be solved; the roller guide shoe structure has the advantages that the reliability, the service life and the performance can be greatly improved, the limitation of installation gaps is avoided, the structure is simplified, the use cost is reduced, and the roller guide shoe structure can be integrated to form a device integrating the guiding and the anti-dizziness.
Drawings
Fig. 1 is a schematic top view of a roller type rail clamping device according to a first embodiment of the present invention;
FIG. 2 is a cross-sectional view of section B-B of FIG. 1;
Fig. 3 is a schematic structural view of a limiting member of a roller type rail clamping device according to a first embodiment of the present invention;
Fig. 4 is a front view of a roller type rail clamping device according to a first embodiment of the present invention;
FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;
Fig. 6 is a schematic diagram of an implementation structure of a roller type rail clamp of the fourth embodiment.
Detailed Description
in order to more clearly illustrate the embodiments of the present invention, the following description will explain embodiments of the present invention with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort. In addition, directional terms referred to in the following examples, for example: up, down, left, right, front or rear, etc., are simply directions with reference to the drawings. Accordingly, the directional terminology is used for purposes of illustration and is in no way limiting.
the first embodiment is as follows:
as shown in fig. 1 to 5, the roller type rail clamping device of the present embodiment is applied to an elevator to keep the elevator in a stable operation state. Specifically, the roller type rail clamping device comprises a base 1 and a rotating frame 2 which is in rotating fit on the base 1, specifically, the base 1 is of a rectangular plate-shaped structure, a mounting frame 3 is mounted on the base 1 along the central axis direction of the long edge of the base, as shown in fig. 4, the mounting frame 3 is of an L-shaped structure and comprises a horizontal part 31 and a vertical part 32, the horizontal part 31 of the mounting frame is fixedly connected with the base 1 through bolts or screws, for example, the bolts sequentially penetrate through the base 1 and the horizontal part 31 of the mounting frame from bottom to top and are fixed above the horizontal part 31 of the mounting frame through nuts; wherein, two bolts that distribute through left and right between the horizontal part 31 of base 1 and mounting bracket are fixed, guarantee fixed connection's between base and the mounting bracket stability.
As shown in fig. 1 and 4, the rotating frame 2 is of a concave structure and comprises a rotating connecting part and roller mounting parts positioned on two sides of the rotating connecting part, the roller mounting parts are used for mounting rollers 4, and the elevator guide rail is in a penetrating fit between the rollers on two sides of the rotating frame, so that the elevator guide rail and the rollers can be linked; the middle part of the rotation connecting portion of rotating turret 2 is connected through rotating pivot 5 with the middle part of the vertical portion of mounting bracket, specifically, the middle part of the rotation connecting portion of rotating turret 2 has first perforation, correspondingly, the middle part of the vertical portion of mounting bracket has the second perforation, rotate pivot 5 and run through first perforation in proper order, second perforation back and screw or bolt-up for rotating turret 2 can rotate and cooperate in mounting bracket 3, so, gyro wheel 4 of rotating turret 2 both sides can hold elevator guide rail tightly all the time, prevent the derailment. In addition, as shown in fig. 5, an oilless bushing 16 is further sleeved between the rotating shaft pin 5 and the first through hole of the rotating frame 2 for lubrication.
The two sides of the rotating frame 2 are respectively provided with a braking mechanism of the roller corresponding to the position of the roller 4, when the elevator is in a stop state, the braking mechanism brakes the roller, at the moment, the car of the elevator can be in a stable state due to the holding of the roller on the elevator guide rail, and the elevator cannot shake due to the entrance and exit of personnel. Specifically, as shown in fig. 1 and 2, the brake mechanism includes a friction disk 6 and a drive assembly that drives the friction disk 6 to move into contact with the outer race of the roller 4 and causes the friction disk 6 to brake the roller 4 by the driving force of the drive assembly.
The driving assembly comprises a fixed plate 7, an electromagnet 8, an electromagnet suction plate 9, three push rods 10 and three elastic pieces 11, the fixed plate 7 and the electromagnet suction plate 9 are arranged in parallel relatively and are positioned on a vertical surface, namely, the vertical surface is parallel to the plane where the mounting frame 3 is positioned, the electromagnet suction plate 9 is connected with the rotating frame 2 through a connecting shaft 14, and the fixing of the distance between the electromagnet suction plate 9 and the rotating frame 2 is realized; an elastic part 11 is sleeved outside each push rod 10, the first ends of the three push rods are fixed on the fixing plate 7, the three push rods are parallel to each other and are uniformly distributed along the circumferential direction of the fixing plate 7, the second ends of the three push rods sequentially penetrate through the electromagnet suction plate 9 to be fixedly connected with the friction disc 6 and the rotating frame 2 to be connected with the friction disc 6, the friction disc 6 is in clearance fit with the roller 4, and at the moment, the two ends of the elastic part 11 respectively abut against the fixing plate 7 and the electromagnet suction plate 9; the electromagnet 8 is installed and fixed on the fixing plate 7 and can be installed in a space surrounded by the three push rods, and particularly, the electromagnet 8 can be fixed in the middle of the fixing plate 7 through a step bolt 15. When the electromagnet 8 is in a power-on state, magnetic attraction is formed between the electromagnet 8 and the electromagnet suction plate 9 and moves towards the direction of the electromagnet suction plate 9, so that the linkage fixing plate 7, the push rod 10 and the friction disc 6 move towards the direction of the roller 4 until the friction disc 6 is in contact with the outer ring of the roller 4, certain pressure is generated on the roller through the magnetic attraction, and the roller 4 is stopped. Specifically, the rotating frame 2 has a first mounting hole arranged along the penetrating direction of the push rod, a linear bearing 12 is mounted in the first mounting hole, the push rod 10 penetrates through and is movably fitted in the linear bearing 12, and the linear bearing 12 can guide the movement of the push rod 10. The elastic member 11 is preferably a compression spring, and other materials with elastic recovery capability may also be selected.
In addition, the second end of the push rod 10 is fixedly connected with the friction disc 6, as shown in fig. 2, the second end of the push rod 10 has a protruding structure, correspondingly, the friction disc 6 has a groove matching with the protruding structure, and the protruding structure of the push rod 10 and the groove of the friction disc 6 can be in interference fit, so that the fixed connection of the push rod 10 and the friction disc 6 is realized, so as to realize the linkage of the two. In addition, the mode that the second end of the push rod is fixedly connected with the friction disc can also be as follows: the second end of the push rod is provided with a groove, correspondingly, the friction disc is provided with a protruding structure matched with the groove, and the groove of the push rod and the protruding structure of the friction disc can be in interference fit to realize the fixed connection of the push rod and the friction disc so as to realize the linkage of the push rod and the friction disc.
Wherein, the concrete connection mode of gyro wheel 4 and rotating turret 2 does: as shown in fig. 2, the roller 4 includes a hub 41 and a wheel shaft 42, the hub 41 is rotatably fitted outside the wheel shaft 42, specifically, the hub 41 is connected to the wheel shaft 42 through a rolling bearing 43, and the wheel shaft 42 is connected to the rotating frame 2 through a friction disk 6. When the electromagnet 8 is switched to the power-off state from the power-on state, the magnetic attraction between the electromagnet 8 and the electromagnet suction plate 9 disappears, and under the action of the restoring force of the elastic piece 11, the elastic piece 11 sequentially links the fixing plate 7, the push rod 10 and the friction disc 6 to reset, so that the friction disc 6 is separated from the roller 4, and the elevator can normally run.
in order to improve the stability of the whole reset process, a limiting piece 13 is sleeved outside the wheel shaft 42; when the friction disk 6 is reset to the target position, the stopper 13 restricts the friction disk 6. Specifically, as shown in fig. 2 and 3, the limiting member 13 is a convex structure with an axial through hole, and includes a limiting portion 131 and a convex portion 132 located above the limiting portion, the limiting portion 131 abuts against the rotating frame 2, the convex portion 132 penetrates through the friction disc 6 and is inserted and fitted in the hub 41 of the roller, the convex portion 132 abuts against the inner ring of the rolling bearing 43, the rotation of the hub 41 is not affected, and the compactness of the whole structure is improved; the friction disk 6 abuts on the stopper portion 131 to stop the friction disk 6 from returning to the target position. The wheel shaft 41 of the roller penetrates through the axial through hole of the limiting piece 13 to the rotating frame 2 and is fixedly connected with the rotating frame 2 through a bolt or a screw. The limiting member 13 may be a step spacer.
the roller type rail clamping device of the embodiment is installed corresponding to an elevator guide rail, the two rollers 4 are fixed on two sides of the rotating frame 2, and the rotating frame 2 can rotate around the rotating shaft pin 5, so that the two rollers 4 always tightly hold the guide rail, and the derailment phenomenon cannot occur. The specific action principle of the roller type rail clamping device of the embodiment is as follows:
When the elevator stops running, an electrifying signal is given to the electromagnet, so that the electromagnet is electrified, magnetic attraction is generated between the electromagnet and the electromagnet suction plate, the electromagnet moves towards the direction where the electromagnet suction plate is located, the fixing plate and the push rod are driven to move towards the direction where the roller is located, the push rod is guided through the linear bearing until the push rod pushes the friction disc to be in contact with the outer ring of the roller, certain pressure is generated by the electromagnet suction force, the roller is stopped, the elevator guide rail is clamped, and the elevator is in a stable state.
When the elevator normally operates, a power-off signal is given to the electromagnet, so that the electromagnet is powered off, the magnetic attraction between the electromagnet and the electromagnet suction plate disappears, the fixing plate, the electromagnet and the push rod are driven to move towards the direction away from the roller under the action of the restoring force of the elastic part, and the push rod drives the friction disc to reset, so that the friction disc is separated from the roller. When the friction disc is reset to a target position, the whole braking mechanism is reset to an original state through limiting of the limiting piece.
The roller type rail clamping device of the embodiment can adjust the pre-compression amount of the rollers at two sides (the distance between the rollers at two sides), so that different frictional resistance between the guide rail and the rollers can be obtained during braking, and the requirements of different customers on the damping force can be met.
The roller type rail clamping device of the embodiment can also control the working voltage or current of the electromagnet to enable the electromagnet to generate electromagnetic force with different magnitudes, namely positive pressure of the friction disc, so that different frictional resistance is generated between the friction disc and the roller, and the control of the magnitude of the frictional resistance is realized to meet the damping force required by different floors or different customers.
The roller type rail clamping device of the embodiment can also be integrated on a roller guide shoe structure to form a device integrating guiding and dizziness preventing.
The roller type rail clamping device of the embodiment has the advantages that through linkage of the rollers at two sides and the elevator guide rail and the fact that the rollers are always in a tightly-holding state with the elevator guide rail, derailing cannot occur; the roller is braked by the braking mechanism, and frictional resistance is generated between the roller and the guide rail or between the friction disc and the roller, so that the elevator car is in a stable state; the problems of high requirements on installation clearance and centering, low reliability, short service life and the like of the traditional rail clamping device can be solved; the roller guide shoe structure has the advantages that the service life and the performance can be greatly improved, the limitation of the installation gap is avoided, the structure is simplified, the use cost is reduced, and the roller guide shoe structure can be integrated to form a device integrating the guiding and the anti-dizziness.
Example two:
the roller type rail clamping device of the present embodiment is different from the first embodiment in that:
the driving assembly can be replaced by a driving mechanism in the prior art such as spring driving, motor driving, hydraulic driving, pneumatic driving and the like, and only the friction disc is driven towards the roller direction and can apply certain driving force, so that the friction disc brakes the roller. The structure of the braking mechanism is diversified to adapt to different installation conditions, so that the application range of the roller type rail clamping device is wider.
Other structures can refer to the first embodiment.
example three:
The roller type rail clamping device of the present embodiment is different from the first embodiment in that:
the brake roller can be in the same group with the guide roller of the roller guide shoe, and a brake mechanism is added on the roller guide shoe to form a device which integrates the roller guide shoe and the roller type rail clamping device.
Example four:
The roller type rail clamping device of the present embodiment is different from the first embodiment in that:
As shown in fig. 6, the electromagnets 8' may be provided in 1 or more sets, and the frictional resistance generated between the roller and the guide rail or between the friction disk and the roller may be provided in 1 or more sets.
Other structures can refer to the first embodiment.
Example five:
the roller type rail clamping device of the present embodiment is different from the first embodiment in that:
The number of the push rods can be one, two, four, five, six and the like, the specific number of the push rods can be designed according to actual requirements, and correspondingly, the elastic pieces and the push rods are installed in a one-to-one correspondence mode to meet the requirements of different working conditions.
Other structures can refer to the first embodiment.
It should be noted that the above embodiments can be freely combined as necessary. The foregoing has been a detailed description of the preferred embodiments and principles of the present invention, and it will be apparent to those skilled in the art that variations may be made in the specific embodiments based on the concepts of the present invention, and such variations are considered as within the scope of the present invention.

Claims (10)

1. A roller type rail clamping device is applied to an elevator and is characterized by comprising a base and a rotating frame which is rotatably connected onto the base, wherein both sides of the rotating frame are provided with rollers and braking mechanisms thereof; the guide rail of the elevator penetrates between the rollers on the two sides of the rotating frame so that the guide rail and the rollers on the two sides of the guide rail are always in a tightly-holding state; when the elevator is in a stop state, the braking mechanism brakes the roller, so that frictional resistance is generated between the roller and the guide rail or between the roller and the braking mechanism to prevent the elevator from shaking; when the braking mechanism releases the braking of the roller, the elevator is in a running state.
2. The roller rail clamp of claim 1 wherein said braking mechanism includes a friction disc and a drive assembly, said drive assembly driving the friction disc into contact with the roller and causing the friction disc to brake the roller.
3. the roller-type rail clamping device of claim 2, wherein the driving assembly is a driving device for moving the friction disc into contact with the roller, and the driving device is driven by an electromagnet, a spring, a pneumatic, a hydraulic or an electric motor.
4. The roller type rail clamping device according to claim 3, wherein the driving assembly comprises a fixing plate, an electromagnet suction plate, an elastic member and a push rod, the fixing plate is arranged opposite to the electromagnet suction plate, the electromagnet suction plate is connected with the rotating frame, the elastic member is sleeved outside the push rod, a first end of the push rod is fixed on the fixing plate, a second end of the push rod sequentially penetrates through the electromagnet suction plate and the rotating frame to be connected with a friction disc, the friction disc is in clearance fit with the roller, and two ends of the elastic member respectively abut against the fixing plate and the electromagnet suction plate; the electromagnet is arranged on the fixing plate, when the electromagnet is in a power-on state, the electromagnet and the electromagnet suction plate form magnetic attraction force to enable the fixing plate to move towards the direction of the electromagnet suction plate, and the fixing plate is linked with the elastic piece to compress and the push rod to push the friction disc; when the electromagnet is switched from the power-on state to the power-off state, the compressed elastic piece resets to sequentially link the fixing plate, the push rod and the friction disc to reset so as to separate the friction disc from the roller.
5. The roller-type rail clamping device of claim 4, wherein the push rods are provided in plurality, and are parallel to each other and uniformly arranged along the circumferential direction of the fixing plate; the push rods correspond to the elastic pieces one by one.
6. A roller type clamping rail device according to claim 4 or 5, characterized in that the rotating frame is provided with a first mounting hole arranged along the penetrating direction of the push rod, a linear bearing is arranged in the first mounting hole, and the push rod penetrates through and is movably matched with the linear bearing.
7. a roller rail assembly according to claim 4 or claim 5, wherein the second end of the push rod is fixedly connected to the friction disc.
8. The roller type rail clamping device according to claim 4 or 5, wherein the axle of the roller penetrates the friction disc to be connected with the rotating frame, and the axle is sleeved with a limiting member; when the friction disc is reset to the target position, the limiting piece limits the friction disc.
9. The roller-type rail clamping device of claim 8, wherein the limiting member is a convex structure having an axial through hole, and comprises a limiting portion and a convex portion located on the limiting portion, the limiting portion abuts against the rotating frame, the convex portion penetrates through the friction disc and is inserted and fitted into the roller, and the friction disc abuts against the limiting portion; and the wheel shaft of the roller penetrates through the axial through hole of the limiting part to the rotating frame and is fixedly connected with the rotating frame.
10. The roller-type rail clamping device according to claim 1, wherein an L-shaped mounting frame is arranged on the base, the L-shaped mounting frame comprises a horizontal part and a vertical part, the horizontal part is fixedly connected with the base, and the vertical part is connected with the rotating frame through a rotating shaft pin;
or the distance between the rollers at the two sides is adjusted, so that different frictional resistance values between the guide rail and the rollers are obtained during braking;
or the electromagnet generates electromagnetic force with different magnitude, namely friction disc positive pressure, by controlling the working voltage or current of the electromagnet, so that different friction resistance is generated between the friction disc and the roller, and the control of the friction resistance is realized;
Or the roller type rail clamping device is integrated on the roller guide shoe structure to form a device integrating guidance and dizziness prevention.
CN201822263392.7U 2018-12-05 2018-12-31 roller type rail clamping device Active CN209797196U (en)

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CN111268533A (en) * 2018-12-05 2020-06-12 杭州沪宁电梯部件股份有限公司 Roller type rail clamping device
CN111348520A (en) * 2020-03-13 2020-06-30 上海三菱电梯有限公司 Multi-wheel rolling guide shoe

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CN114526430B (en) * 2022-02-18 2023-10-20 安徽理工大学 Cage guide inspection trolley

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CN111268533B (en) * 2018-12-05 2024-05-07 杭州沪宁电梯部件股份有限公司 Roller type rail clamping device

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Publication number Priority date Publication date Assignee Title
CN111268533A (en) * 2018-12-05 2020-06-12 杭州沪宁电梯部件股份有限公司 Roller type rail clamping device
CN111268533B (en) * 2018-12-05 2024-05-07 杭州沪宁电梯部件股份有限公司 Roller type rail clamping device
CN111348520A (en) * 2020-03-13 2020-06-30 上海三菱电梯有限公司 Multi-wheel rolling guide shoe

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