CN210822218U

CN210822218U - Emergency transmission device and cableway

Info

Publication number: CN210822218U
Application number: CN201921438326.7U
Authority: CN
Inventors: 里鑫; 李越秀; 黄山
Original assignee: Beijing Materials Handling Research Institute Co ltd
Current assignee: Beijing Materials Handling Research Institute Co ltd
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-06-23
Anticipated expiration: 2029-08-30

Abstract

The utility model relates to a cableway technical field provides an emergent transmission and cableway. The emergency transmission device is used between the first wheel body and the second wheel body, the first wheel body is located in the acceleration and deceleration section, the second wheel body is located in the straight line section or the bending section, the first wheel body and the second wheel body are driven by different power devices, the emergency transmission device comprises a transmission part and a tensioning device, and under the condition that the power device driving the second wheel body fails, the tensioning device at least tensions one side surface of the transmission part, so that the rotating power of the first wheel body is transmitted to the second wheel body through the transmission part. The cableway comprises an acceleration and deceleration section, a straight section, a bent section and an emergency transmission device, wherein the emergency transmission device is installed between the first wheel body and the second wheel body. The utility model provides an emergent transmission and cableway, the emergent drive problem when solving the power device trouble, simple structure, simple installation.

Description

Emergency transmission device and cableway

Technical Field

The utility model relates to a cableway technical field especially relates to an emergent transmission and cableway.

Background

Cableways are devices that use steel cables suspended in midair to support and pull passenger or freight cars. The cableway is divided into various forms such as a single-line type, a compound line type, a reciprocating type, a circulating type, a hanging type and the like according to a supporting and traction method. The off-hook cableway is convenient to get on and off, high in automation level, strong in terrain adaptability, safe, rapid and large in transportation capacity, and is the mainstream equipment type of the cableway at home and abroad at present.

In order to adapt to different working conditions, a cableway with an intermediate station is provided with a straight section 1, an acceleration and deceleration section 2 and a bent section 3 which can be switched, and is shown in a combined mode in fig. 1 and 2. When the acceleration and deceleration section 2 is in butt joint with the straight line section 1, the cableway extends along the direction from the acceleration and deceleration section 2 to the straight line section 1, at the moment, the cableway travels along the longest overall path, and the traveling mode is overall operation; when the acceleration and deceleration section 2 is in butt joint with the bending section 3, the cableway extends along the direction from the acceleration and deceleration section 2 to the bending section 3, and at the moment, the cableway travels along a local circulating path in a single traveling mode; thereby realizing the purpose that the cableway can be operated integrally or independently. Wherein, the acceleration and deceleration section 2 refers to an acceleration section or a deceleration section.

Because the straight line section 1 and the bent section 3 need to be switched, the straight line section 1 and the bent section 3 are separated from the in-station acceleration and deceleration section 2, and the straight line section 1, the acceleration and deceleration section 2 and the bent section 3 are respectively provided with an independent motor driving belt to drive the tire to rotate so as to realize power transmission. And when the motor of the straight section 1 or the bent section 3 breaks down, the tires on the straight section 1 and the bent section 3 stop rotating, so that the ropeway stops running.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims at providing an emergent transmission and cableway to solve the technical problem that the motor fault of the straightway or the curved section that exists among the prior art or the correlation technique leads to the cableway outage.

(II) technical scheme

In order to solve the technical problem, an embodiment of the utility model provides an emergency transmission device for between first wheel body and the second wheel body, first wheel body is located the acceleration and deceleration section, the second wheel body is located straightway or curved section, first wheel body with the second wheel body is driven by different power device, emergency transmission device includes driving medium and overspeed device tensioner, is driving under the condition of the power device trouble of second wheel body, overspeed device tensioner tensioning at least one side of driving medium makes the rotation power of first wheel body passes through the driving medium transmits to the second wheel body.

In one embodiment, the first wheel and the second wheel are symmetrically distributed on two sides of the tensioning device.

In one embodiment, the tensioning device comprises a tensioning assembly, a supporting frame and an adjusting piece, wherein the tensioning assembly comprises a supporting shaft and a tensioning wheel, and the tensioning wheel is rotatably connected to the supporting shaft;

the first end of regulating part is fixed in the support frame, the second end of regulating part is connected the back shaft, just the regulating part drives back shaft rectilinear movement.

In one embodiment, the support frame is provided with a guide groove, and the support shaft penetrates through the guide groove.

In one embodiment, the adjusting member is an adjusting screw, one end of the adjusting screw is fixed to the support frame, and the other end of the adjusting screw is in threaded connection with the support shaft.

In one embodiment, the number of the tensioning assemblies and the number of the adjusting pieces are two in the length direction of the supporting frame.

In one embodiment, the first wheel is connected to a first support beam, the second wheel is connected to a second support beam, and the tensioning device is fixed to the first support beam and/or the second support beam.

In one embodiment, the first support beam and the second support beam are butted to form a bent beam;

the support frame comprises a bending section and a straight section, an included angle is formed between the bending section and the straight section, the support shaft is arranged on the bending section, and the tensioning wheel is parallel to the bending section, so that the transmission part smoothly extends between the first wheel body and the second wheel body.

The utility model discloses a second embodiment provides a cableway, including acceleration and deceleration section, straightway, curved section and emergent transmission, emergent transmission install in first wheel body with between the second wheel body.

In one embodiment, in the event of failure of the power means driving the second wheel, the second wheel is disconnected from the power means driving it in rotation.

(III) advantageous effects

Compared with the prior art, the embodiment of the utility model discloses an in one or more technical scheme have one of following technological effect:

the embodiment of the utility model discloses a when being used for driving second wheel body pivoted power device trouble, be connected first wheel body and second wheel body through the driving medium to transmit the second wheel body with the rotation power of first wheel body, the second wheel body obtains rotation power, realizes the emergency drive of second wheel body, guarantees the safe operation of equipment. And still set up overspeed device tensioner to the installation and the transmission of driving medium simplify the installation, realize convenient quick installation, improve and solve the fault efficiency.

In another embodiment, when the straight line section or the bent section of the cableway breaks down, the emergency transmission device is arranged between the straight line section and the acceleration and deceleration section or between the bent section and the acceleration and deceleration section, so that the emergency driving of the cableway is realized, and the occurrence of shutdown accidents is avoided.

Drawings

FIG. 1 is a schematic view of a prior art cableway;

FIG. 2 is a schematic structural view of the prior art of independent operation and integral operation of a cableway;

fig. 3 is a schematic structural view of an emergency transmission device according to an embodiment of the present invention;

FIG. 4 is a schematic top view of FIG. 1; the pin shaft assembly and the pin seat assembly are omitted in the drawing;

fig. 5 is a schematic structural view of a tensioning device of an emergency transmission device according to an embodiment of the present invention;

FIG. 6 is a schematic view of the structure A-A of FIG. 5;

in the figure, 1, a straight line segment; 2. an acceleration and deceleration section; 3. bending; 4. a second support beam; 5. a pin assembly; 6. a plug pin seat assembly; 7. a first support beam; 8. a first wheel body; 9. a tensioning device; 10. a second wheel body; 11. a second tire; 12. a first tire; 13. an adjustment member; 14. a support frame; 15. a tension assembly; 16. a fixing member; 17. adjusting the screw rod; 18. fixing a nut; 19. a support shaft; 20. bending the section; 21. a straight section; 22. a connecting frame; 23. a tension wheel; 24. a first stop collar; 25. a guide groove; 26. and a second stop collar.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.

In the description of the present invention, the terms "plurality", and "plural" mean two or more unless otherwise specified.

Referring to fig. 3-6, an embodiment of the present invention provides an emergency transmission device for use between the first wheel 8 and the second wheel 10. The first wheel body 8 is located at the acceleration and deceleration section 2, the second wheel body 10 is located at the straight section 1 or the bending section 3, and the first wheel body 8 and the second wheel body 10 are driven by different power devices, i.e. the first wheel body 8 and the second wheel body 10 are driven by the first power device and the second power device respectively.

When the second power device fails, the rotating power of the first power device is transmitted to the second wheel body 10 through the first wheel body 8, so as to solve the problem that the second wheel body 10 cannot normally operate when the second power device fails.

In particular, the emergency transmission means comprise a transmission member (not shown) by which the first wheel 8 is connected to the second wheel 10 and by which the rotational power of the first wheel 8 is transmitted to the second wheel 10 in the event of failure of the second power means, and a tensioning device 9. The transmission member is adapted to the first wheel body 8 and the second wheel body 10: the first wheel body 8 and the second wheel body 10 are belt wheels, and the transmission part is a transmission belt, such as a belt; the first wheel body 8 and the second wheel body 10 are chain wheels, and the transmission member is a chain. The first wheel body 8 and the second wheel body 10 are connected through the transmission piece, so that power transmission is realized, and the structure is simple.

The side of the at least tensioning driving medium of overspeed device tensioner 9 both guarantees that the driving medium can be installed on first wheel body 8 and second wheel body 10 fast accurately, can also guarantee that the driving medium is in the tensioning state, and then guarantees driven stability, prevents that the driving medium pine from taking off and influence the power transmission process. Wherein, the tensioning device 9 is suitable for tensioning a belt or a chain according to actual requirements.

Under the condition that the second power device fails, the transmission member is firstly sleeved on the first wheel body 8 and the second wheel body 10, and then the tensioning device 9 is adjusted, so that the tensioning device 9 plays a tensioning role, and the operation is simple and convenient.

In addition, the transmission member can also be sleeved between the first wheel body 8 and the second wheel body 10 all the time and can not affect the normal transmission of the first wheel body 8 and the second wheel body 10, and under the condition of the failure of the second power device, the tensioning device 9 automatically tensions the transmission member to enable the transmission member to transmit the rotating power of the first wheel body 8 to the second wheel body 10, so that the emergency treatment efficiency is high, and the labor cost is low.

Referring to fig. 3 and 4, the first wheel 8 is rotatably connected to the first supporting beam 7, the second wheel 10 is rotatably connected to the second supporting beam 4, the first wheel 8 and the second wheel 10 are both disposed at an end portion close to a beam abutting against the first wheel 8, and the emergency transmission device is used for emergency driving when a power device of any one of the two beams fails.

This embodiment, the condition that the motor that is applicable to straightway 1 or curved section 3 of cableway intermediate station broke down, the band pulley of acceleration and deceleration section 2 can be connected to straightway 1 or curved section 3's band pulley through the belt, straightway 1 or curved section 3 obtain the band pulley of turning power and transmit turning power for adjacent band pulley again, the transmission in proper order, realize the drive to straightway 1 or curved section 3, as the emergency treatment mode to the motor trouble, the tire rotation on straightway 1 or curved section 3, but guarantee cableway normal operating.

It should be noted that, in the emergency transmission process of the cableway intermediate station, the belt between the motor output shaft of the straight section 1 or the bent section 3 and the belt wheel can be removed, and the load of the motor with a fault on the belt wheel is reduced.

Wherein, the butt joint mode of the first supporting beam 7 and the second supporting beam 4 is as follows: the first supporting beam 7 is provided with a pin seat assembly 6, the second supporting beam 4 is provided with a pin shaft assembly 5, and a pin shaft on the pin shaft assembly 5 is inserted into a pin shaft hole of the pin seat assembly 6. When the butt joint relation needs to be removed, the pin shaft on the pin shaft assembly 5 is moved out of the pin shaft hole, and the beam can be switched.

When the emergency transmission device is applied to a cableway, the first supporting beam 7 is a tire beam of the acceleration and deceleration section 2, the second supporting beam 4 is a tire beam of the straight section 1 or the bent section 3, the power device of the acceleration and deceleration section 2 provides driving power for tires of the straight section 1 or the bent section 3, and the first wheel body 8 and the second wheel body 10 are belt wheels with the same structure. Specifically, referring to fig. 3 and 4, taking an example that the acceleration and deceleration section 2 is butted with the straight section 1 as an example, the first wheel 8 is connected with the first tire 12 through a first transmission shaft, the first transmission shaft penetrates through the first support beam 7, so that the first wheel 8 and the first tire 12 are located on two sides of the first support beam 7, and the first tire 12 is used for providing power for the car; similarly, the second wheel 10 and the second tire 11 are connected through a second transmission shaft, the second transmission shaft penetrates through the second support beam 4, the second wheel 10 and the second tire 11 are located on two sides of the second support beam 4, and the second tire 11 is also used for providing power for the elevator car.

Furthermore, the first wheel body 8 and the second wheel body 10 are symmetrically distributed on two sides of the tensioning device 9, so that the tensioning device 9 is located in the middle of the transmission part, and the two wheel bodies are stressed in a balanced manner.

In the following, embodiments of the tensioning device 9 are provided:

the tensioning device 9 comprises a tensioning assembly 15, a supporting frame 14 and an adjusting piece 13, wherein the supporting frame 14 is used for supporting and connecting, the supporting frame 14 is fixed on a fixed structure such as the first supporting beam 7 and/or the second supporting beam 4, the adjusting piece 13 is used for adjusting the position of the tensioning assembly 15, and the tensioning assembly 15 is directly contacted with a transmission piece to perform tensioning. Wherein, the support frame 14 is provided with a connecting frame 22, and the connecting frame 22 is fixed on the first support beam 7 and/or the second support beam 4 through the fixing member 16. The fixing part 16 is a screw and nut assembly, and the screw penetrates through the beam body and is fixed through a nut, so that the assembly and disassembly are convenient.

Specifically, the tensioning assembly 15 comprises a supporting shaft 19 and a tensioning wheel 23, and the tensioning wheel 23 is rotatably connected to the supporting shaft 19; the first end of the adjusting part 13 is fixed on the supporting frame 14, the second end of the adjusting part 13 is connected with the supporting shaft 19, and the adjusting part 13 drives the supporting shaft 19 to move linearly. The adjusting part 13 provides power for the support shaft 19 to move linearly, and the linear movement means that the support shaft 19 moves in a vertical lifting mode, a left-right moving mode and the like, so that the support shaft 19 drives the tension wheel 23 to provide tension for the transmission part. The tension pulley 23 is connected with the support shaft 19 through a bearing, and the end of the support shaft 19 is limited through an end cover to prevent the bearing from being separated from the support shaft 19. Wherein the support shaft 19 is perpendicular to the support frame 14.

The tensioning force provided by the tensioning wheel 23 may be applied to the direction close to the center line of the first wheel 8 and the second wheel 10, or may be applied to the direction far from the center line of the first wheel 8 and the second wheel 10, so as to perform the tensioning function.

Furthermore, the structure of the adjusting member 13 can be various, such as a linear motor, an air cylinder, a telescopic loop bar, an adjusting screw 17, etc. Specifically, the output ends of the linear motor, the air cylinder and the like directly provide telescopic power, automatic driving can be achieved, and operation is simple and convenient. The telescopic tube accessible revolves to twist and stretches out and draws back, still can stretch out and draw back through pulling out and insert modes such as flexible and adjust, manual regulation, with low costs, application scope is wide.

As shown in fig. 5 and 6, the adjusting member 13 is an adjusting screw 17, one end of the adjusting screw 17 is fixed to the supporting frame 14, and the other end of the adjusting screw 17 is connected to a supporting shaft 19 in a threaded manner, i.e., the supporting shaft 19 is provided with a threaded hole adapted to the adjusting screw 17 corresponding to the position of the adjusting screw 17. The position of the tension pulley 23 is adjusted by adjusting the attachment position of the support shaft 19 on the adjustment screw 17. In different situations, the tensioning wheels 23 are made to meet the tensioning requirements. Wherein, the adjusting screw 17 is connected with one end of the support frame 14 through the fixing nut 18, so that the connection is simple and convenient, and the disassembly and assembly are convenient.

Or, the adjusting screw 17 penetrates through the supporting shaft 19, and two ends of the supporting shaft 19 are fixed through the fixing nuts 18, so that threads do not need to be machined on the supporting shaft 19, and the structure is simplified.

Further, in order to ensure the adjustment accuracy of the movement adjustment process of the tension pulley 23, a guide groove 25 is formed in the support frame 14, the support shaft 19 penetrates through the guide groove 25, and the extending direction of the guide groove 25 is the same as the movement direction of the tension pulley 23. As shown in fig. 5 and 6, the tension pulley 23 is raised and lowered in the height direction, the guide groove 25 extends in the height direction, and the adjustment screw 17 also extends in the height direction.

Furthermore, the supporting shaft 19 is connected with a first limiting sleeve 24 and a second limiting sleeve 26, the first limiting sleeve 24 and the second limiting sleeve 26 are respectively arranged on two sides of the supporting frame 14, the moving process of the supporting shaft 19 is limited, and the moving stability and the accuracy of the supporting shaft 19 are guaranteed.

Furthermore, the two tensioning assemblies 15 and the two adjusting members 13 are symmetrically arranged in the length direction of the supporting frame 14, that is, the two tensioning wheels 23 are symmetrically arranged in the length direction of the supporting frame 14, and the two tensioning wheels 23 respectively tension the upper side surface, the lower side surface, the left side surface and the right side surface of the transmission member, so as to further ensure the tensioning effect and the uniform stress of the first wheel body 8 and the second wheel body 10.

Furthermore, when the first support beam 7 and the second support beam 4 are butted, the two beams can be butted to form a straight beam or a curved beam.

When the first supporting beam 7 and the second supporting beam 4 are butted to form a curved beam (including a straight bent beam and a curved beam), as shown in fig. 5 and 6, the supporting frame 14 includes a bent section 20 and a straight section 21, the bent section 20 and the straight section 21 form an included angle, the supporting shaft 19 is disposed on the bent section 20, the tensioning wheel 23 is parallel to the bent section 20, and the arrangement of the bent section 20 enables the transmission member to extend smoothly among the first wheel body 8, the tensioning wheel 23 and the second wheel body 10, that is, the transmission member is not bent. Wherein the connecting bracket 22 is provided to the straight section 21 for mounting to the first support beam 7 and/or the second support beam 4. When the tension assembly 15 and the adjusting member 13 are symmetrically disposed in two in the length direction of the supporting frame 14, the bent sections 20 are symmetrically disposed on both sides of the straight section 21. The included angle formed by the bending section 20 and the straight section 21 is set according to actual requirements.

The first support beam 7 and the second support beam 4 are butted to form a bent beam or a curved beam, which may be the case that the first support beam 7 and/or the second support beam 4 extend along an arc-shaped curve, such as the case that the acceleration and deceleration section 2 and the bent section 3 of the cableway are butted.

When the first supporting beam 7 and the second supporting beam 4 are butted to form a linear beam (for example, the acceleration and deceleration section 2 of the cableway is butted with the linear section 1), the supporting frame 14 of the tensioning device 9 is a linear frame body, so that the transmission members sleeved on the first wheel body 8, the second wheel body 10 and the tensioning wheel 23 extend smoothly, i.e., do not bend, and the supporting frame 14 has a simple structure and low cost.

As shown in connection with fig. 5 and 6, the tensioning device 9 is adapted for use with a bending beam. The tensioning device 9, when used to butt-join two beams forming a rectilinear beam, differs from the structure of figures 5 and 6 in that: the support frame 14 is shaped to extend linearly in the longitudinal direction.

The tensioning device in the above embodiments can also be used in other occasions where tensioning force needs to be provided.

The utility model discloses a another embodiment still provides a cableway, combines to show in fig. 3-6, including acceleration and deceleration section 2, straightway 1, curved section 3 and emergent transmission, first wheel body 8 is located acceleration and deceleration section 2, and second wheel body 10 is located straightway 1 or curved section 3. When the motor of the straight line section 1 or the bent section 3 has a fault, the emergency transmission device is arranged on the acceleration and deceleration section 2 and the straight line section 1 or the acceleration and deceleration section 2 and the bent section 3, so that the tire of the fault section obtains power from the acceleration and deceleration section 2, the cableway can still continue to run, and the occurrence of shutdown accidents is avoided.

Further, the first wheel body 8 is positioned at the end part of the accelerating and decelerating section 2, which is butted with the straight section 1 or the bent section 3, and can be understood as the last belt wheel of the accelerating and decelerating section 2; the second wheel body 10 is located at the end of the straight line section 1 or the bent section 3 in butt joint with the acceleration and deceleration section 2, and can be understood as a first belt wheel of the straight line section 1 or the bent section 3. The position selection of the first wheel body 8 and the second wheel body 10 enables the modification of the acceleration and deceleration section 2, the straight section 1 or the bent section 3 to be small, and the operation is simple, convenient and quick.

In the emergency transmission process of the cableway, the emergency transmission device is arranged between the first wheel body 8 and the second wheel body 10, the second wheel body 10 is disconnected with the second power device, namely, a belt between a motor output shaft of the straight section 1 or the bent section 3 and a belt wheel is removed, and the load of a motor with a fault on the belt wheel is reduced.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An emergency transmission device, for use between a first wheel and a second wheel, the first wheel being located in an acceleration/deceleration section, the second wheel being located in a straight section or a curved section, the first wheel and the second wheel being driven by different power units, the emergency transmission device comprising a transmission member and a tensioning unit, wherein, in case of failure of the power unit driving the second wheel, the tensioning unit tensions at least one side surface of the transmission member, so that the rotational power of the first wheel is transmitted to the second wheel through the transmission member.

2. The emergency drive of claim 1, wherein the first wheel and the second wheel are symmetrically disposed on opposite sides of the tensioner.

3. The emergency drive of claim 1, wherein the tensioning device comprises a tensioning assembly, a support bracket, and an adjustment member,

the tensioning assembly comprises a supporting shaft and a tensioning wheel, and the tensioning wheel is rotationally connected to the supporting shaft;

4. The emergency transmission device according to claim 3, wherein the support frame has a guide slot formed therein, and the support shaft extends through the guide slot.

5. The emergency transmission device according to claim 3, wherein the adjusting member is an adjusting screw, one end of the adjusting screw is fixed to the support frame, and the other end of the adjusting screw is in threaded connection with the support shaft.

6. The emergency drive of claim 3, wherein there are two of the tensioning assemblies and the adjustment members symmetrically disposed along the length of the support frame.

7. Emergency transmission according to any of claims 1-6, characterised in that the first wheel is connected to a first support beam and the second wheel is connected to a second support beam, and that the tensioning device is fixed to the first support beam and/or the second support beam.

8. The emergency transmission device according to any one of claims 3 to 6, wherein the first wheel body is connected to a first support beam, the second wheel body is connected to a second support beam, the tensioning device is fixed to the first support beam and/or the second support beam, the first support beam and the second support beam are butted to form a bent beam, the support frame comprises a bent section and a straight section, the bent section forms an included angle with the straight section, the support shaft is arranged at the bent section, and the tensioning wheel is parallel to the bent section, so that the transmission member smoothly extends between the first wheel body, the tensioning wheel and the second wheel body.

9. A cableway comprising an acceleration/deceleration section, a straight section, a curved section and an emergency drive according to any one of claims 1 to 8, said emergency drive being mounted between a first wheel and a second wheel.

10. Cableway according to claim 9, characterized in that in the event of failure of the power means driving the second wheel, the second wheel is disconnected from the power means driving it in rotation.