CN211110504U - Speed-limiting tensioning device for elastic tensioning - Google Patents
Speed-limiting tensioning device for elastic tensioning Download PDFInfo
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- CN211110504U CN211110504U CN201922244356.0U CN201922244356U CN211110504U CN 211110504 U CN211110504 U CN 211110504U CN 201922244356 U CN201922244356 U CN 201922244356U CN 211110504 U CN211110504 U CN 211110504U
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- tensioning wheel
- tensioning
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Abstract
The utility model discloses a speed-limiting tensioning device of elastic tensioning, be applied to lifting equipment, tensioning wheel subassembly and overspeed governor subassembly including corresponding upper portion and the lower part of locating the frame respectively, the overspeed governor subassembly includes the base, the mounting bracket, install in the ratchet of mounting bracket through the round pin axle, the tensioning wheel subassembly includes the mount pad, the tensioning wheel seat, the tensioning wheel support, and install the tensioning wheel on the tensioning wheel support through the round pin axle, tensioning wheel and ratchet pass through wire rope and connect, be provided with guide assembly on the tensioning wheel seat, guide assembly includes two guide posts, and the upper end of each guide post is fixed in the tensioning wheel seat, the lower extreme passes through linear bearing and installs in the mount pad, the end of each guide post is installed the jump ring, each guide post is overlapped and is equipped with the compression spring of both ends butt; the utility model provides a technical scheme has avoided the overspeed governor phenomenon that jamming, slippage appear under the condition of normal operating, has improved the fail safe nature of complete machine equipment.
Description
Technical Field
The utility model relates to a jacking equipment technical field, in particular to speed limit overspeed device tensioner of elasticity tensioning.
Background
Lifting equipment such as stackers, elevators and the like is widely applied to modern logistics storage and industrial automation production lines. The movement condition of the stacker is more complex than that of a lifter, the stacker is three-dimensional high-speed operation equipment, the horizontal operation speed reaches more than 120m/min, the lifting speed reaches more than 40m/min, and the stacker also transversely stretches and forks to move, so that the safety protection of the stacker is very important, and the corresponding lifting speed limiter device needs to be very reliable. The conventional lifting speed limiter is of a weight type, finished products are sold in the market, the ratchet speed limiter is arranged at the upper part of a stacker, and the weight of the weight at the lower part provides tension; although the heavy hammer is protected by a limiting plate, the phenomena of clamping stagnation and slipping can occur under the condition of normal operation, and the ratchet wheel speed limiter is triggered to cause the stacker to generate misoperation, so that the reliability of the whole equipment is reduced.
Disclosure of Invention
The utility model aims at providing a speed limit overspeed device tensioner of elastic tensioning aims at solving the phenomenon that jamming, slippage can appear under the condition of normal operating in current weight formula lift overspeed governor to trigger the overspeed governor and make the stacker misoperation appear, thereby reduce the problem of equipment reliability.
In order to achieve the above object, the utility model provides an elastic tensioning speed limiting and tensioning device, which is applied to lifting equipment, and comprises a tensioning wheel component and a speed limiter component which are fixed on a frame of the lifting equipment, wherein the tensioning wheel component and the speed limiter component are correspondingly arranged on the upper part and the lower part of the frame respectively, the speed limiter component comprises a base, a mounting frame and a ratchet wheel which is arranged on the mounting frame through a pin shaft, the tensioning wheel component comprises a mounting seat, a tensioning wheel support and a tensioning wheel which is arranged on the tensioning wheel support through a pin shaft, the tensioning wheel and the ratchet wheel are connected through a steel wire rope, a guide component is arranged on the tensioning wheel seat, the guide component comprises two guide posts, the upper end of each guide post is fixed on the tensioning wheel seat, the lower end of each guide post is arranged on the mounting seat through a linear bearing, a snap spring is arranged at, the compression spring is used for providing vertical tension for the tensioning wheel.
Preferably, the steel wire rope is provided with a steel wire rope connecting piece, and the compression amount of the compression spring is adjusted to be 30-35 mm by the steel wire rope connecting piece.
Preferably, the overspeed governor subassembly still include through the pivot install in the swing arm of mounting bracket and install in on the mounting bracket and be used for holding the extension spring of swing arm, evenly laid a plurality of ratchets along circumference on the ratchet, form the ratchet clearance between per two ratchets, the one end of swing arm is equipped with the gyro wheel that rolls along the flange of ratchet, and the other end is equipped with the prong that inserts ratchet clearance and ratchet butt.
Preferably, still include the protection switch subassembly, the protection switch subassembly is including being fixed in the switch support on the mount pad, locating the protection switch on the switch support and locating the response piece that is used for being connected with the protection switch response on the take-up pulley support.
The utility model provides an among the technical scheme, correspond separately through tensioning wheel subassembly and overspeed governor subassembly and locate the upper portion and the lower part of frame, the overspeed governor subassembly includes the base, the mounting bracket, install in the ratchet of mounting bracket through the round pin axle, the tensioning wheel subassembly includes the mount pad, the tensioning wheel seat, the tensioning wheel support, and install the tensioning wheel on the tensioning wheel support through the round pin axle, tensioning wheel and ratchet pass through wire rope and connect, be provided with guide assembly on the tensioning wheel seat, guide assembly includes two guide posts, and the upper end of each guide post is fixed in the tensioning wheel seat, the lower extreme is installed in the mount pad through linear bearing, the end of each guide post is installed the jump ring, each guide post is overlapped and is equipped with the compression spring of both ends butt in mount pad and tensioning wheel seat, compression spring is; the tensioning wheel component of fixed installation is overhead fixed mounting, avoids the overspeed governor jamming, the phenomenon of slippage to appear under the high-speed tenesmus condition, improves the fail safe nature of complete machine equipment, and the fixed mounting is put to the overspeed governor simultaneously, is convenient for observe and maintain to cooperation safety braking device uses, makes the tenesmic safety protection of elevating system stall more reliable.
The utility model discloses elastic tensioning's speed limit overspeed device tensioner has following beneficial effect:
(1) the tensioning wheel component replaces the traditional heavy hammer tensioning device and is fixedly arranged on the upper part, so that the clamping stagnation and slipping phenomena are eliminated, and the safety and reliability of the whole machine equipment are improved;
(2) the speed limiter is fixedly arranged below the speed limiter, so that the observation and the maintenance are convenient; the speed limiter is matched with a safety braking device for use, so that the safety protection of the lifting mechanism for stalling and falling is more reliable;
(3) the guide assembly is guided by a linear bearing, so that the tension wheel is ensured to lift without hindrance, and the sensitivity of the tension wheel is improved;
(4) rope pine detection device utilizes the response piece on the protection switch cooperation tensioning wheel seat to use, effectively detects the pine of wire rope and takes off or the fracture, when improving equipment malfunction alarm rate, has increased automatically controlled equipment power-off protection function.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of an embodiment of an elastic tensioning speed limiting tensioning device provided by the present invention;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
FIG. 3 is a side view of FIG. 1;
FIG. 4 is an enlarged schematic view of portion B of FIG. 3;
fig. 5 is a schematic front view of the governor assembly of fig. 1;
fig. 6 is a schematic view of the governor ratchet of fig. 5 in a normal rotational state;
FIG. 7 is a side view of FIG. 6;
fig. 8 is a schematic view of the governor ratchet of fig. 5 in a braking state;
fig. 9 is an exploded schematic view of the ratchet and swing arm of the governor of fig. 5.
The reference numbers illustrate: 1-speed limiter assembly, 11-base, 12-mounting frame, 13-ratchet wheel, 131-ratchet wheel, 132-ratchet wheel gap, 133-flange, 14-swing arm, 141-roller, 142-fork tooth, 15-tension spring, 2-tension wheel assembly, 21-mounting seat, 22-tension wheel seat, 23-tension wheel support, 24-tension wheel, 3-steel wire rope, 31-steel wire rope connecting piece, 4-guide assembly, 41-guide column, 42-linear bearing, 43-clamp spring, 5-compression spring, 6-protection switch assembly, 61-switch support, 62-protection switch and 63-induction block.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
The utility model provides an elastic tensioning's speed limit overspeed device tensioner, figure 1 to figure 9 do the utility model provides an elastic tensioning's a speed limit overspeed device tensioner embodiment's schematic diagram.
Referring to fig. 1 to 4, the elastically tensioned speed-limiting tensioning device includes a tensioning wheel assembly 2 and a speed limiter assembly 1, which are fixed to a frame of a lifting device, the tensioning wheel assembly 2 and the speed limiter assembly 1 are respectively disposed at an upper portion and a lower portion of the frame, the speed limiter assembly 1 includes a base 11, a mounting frame 12, and a ratchet 13 mounted to the mounting frame 12 through a pin, the tensioning wheel assembly 2 includes a mounting base 21, a tensioning wheel seat 22, a tensioning wheel support 23, and a tensioning wheel 24 mounted to the tensioning wheel support 23 through a pin, the tensioning wheel 24 and the ratchet 13 are connected through a steel wire rope 3, a guide assembly 4 is disposed on the tensioning wheel seat 22, the guide assembly 4 includes two guide posts 41, an upper end of each guide post 41 is fixed to the tensioning wheel seat 22, and a lower end thereof is mounted to the mounting base 21 through a linear bearing 42, a snap spring 43 is installed at the tail end of each guide post 41, a compression spring 5 with two ends abutting against the installation seat 21 and the tension pulley seat 22 is sleeved on each guide post 41, and the compression spring 5 is used for providing a vertical tension force for the tension pulley 24.
In the technical scheme provided by the utility model, the tensioning wheel component 2 and the speed limiter component 1 are correspondingly arranged on the upper part and the lower part of the frame respectively, the speed limiter component 1 comprises a base 11, a mounting frame 12 and a ratchet wheel 13 arranged on the mounting frame 12 through a pin shaft, the tensioning wheel component 2 comprises a mounting seat 21, a tensioning wheel seat 22, a tensioning wheel support 23 and a tensioning wheel 24 arranged on the tensioning wheel support 23 through a pin shaft, the tensioning wheel 24 is connected with the ratchet wheel 13 through a steel wire rope 3, a guide component 4 is arranged on the tensioning wheel seat 22, the guide component 4 comprises two guide columns 41, the upper end of each guide column 41 is fixed on the tensioning wheel seat 22, the lower end is arranged on the mounting seat 21 through a linear bearing 42, a snap spring 43 is arranged at the tail end of each guide column 41, a compression spring 5 with two ends butted against the mounting seat 21 and the, the compression spring 5 is used for providing vertical tension for the tension wheel 24; the tensioning wheel component 2 of fixed installation is provided with a fixed installation, so that the phenomena of jamming and slipping of the speed limiter under the high-speed falling condition are avoided, the safety and reliability of the whole equipment are improved, meanwhile, the speed limiter is provided with a fixed installation, the observation and the maintenance are convenient, and the safety protection of the stalling and falling of the lifting mechanism is more reliable by being matched with a safety braking device for use.
In this embodiment, the steel wire rope 3 is provided with a steel wire rope connecting piece 31, and the compression amount of the compression spring 5 adjusted by the steel wire rope connecting piece 31 is 30-35 mm. The steel wire rope connecting piece 31 is fixedly connected with a lifting platform of the lifting device, the lifting platform drives the speed limiter assembly 1 to integrally move up and down, and before the 3 ends of the steel wire rope are locked, downward pre-tightening force needs to be applied to the tensioning wheel 24, so that the compression spring 5 is compressed by 30-35 mm, and a space of 25-30 mm is reserved for the tensioning wheel 24.
In this embodiment, referring to fig. 5 to 9, the governor assembly 1 further includes a swing arm 14 mounted on the mounting frame 12 through a rotating shaft, and a tension spring 15 mounted on the mounting frame 12 and used for pulling the swing arm 14, a plurality of ratchet teeth 131 are uniformly distributed on the ratchet wheel 13 along the circumferential direction, a ratchet gap 132 is formed between every two ratchet teeth 131, one end of the swing arm 14 is provided with a roller 141 rolling along a flange 133 of the ratchet wheel 13, and the other end of the swing arm is provided with a fork tooth 142 inserted into the ratchet gap 132 and abutted against the ratchet teeth 131.
When the lifting equipment normally descends, the steel wire rope 3 circularly moves through the traction of the lifting mechanism, the friction force between the steel wire rope 3 and a rope groove on the ratchet wheel 13 drives the ratchet wheel 13 to rotate, at the moment, the rotating speed is within the rated rotating speed range set by the speed limiter, and the swing arm 14 enables the roller 141 to roll tightly against the flange 133 of the ratchet wheel 13 under the action of the pulling force pulled by the tension spring 15; when the lifting equipment descends at an overspeed, the roller 141 on the swing arm 14 is commandeered away from the surface of the flange 133 of the ratchet 13 by the reaction force of the irregular circular flange 133 on the ratchet 13, the swing arm 14 rotates for a certain angle, the fork teeth 142 on the other end of the swing arm are inserted into the ratchet gaps 132 of the ratchet 13 and abut against the ratchets 131 to prevent the ratchet 13 from rotating, the steel wire rope 3 stops moving under the action of friction force, and then the braking device of the lifting mechanism is pulled, so that the lifting equipment stops dropping.
In this embodiment, please refer to fig. 3 and 4, further comprising a protection switch 62 assembly 6, where the protection switch 62 assembly 6 includes a switch bracket 61 fixed on the mounting base 21, a protection switch 62 arranged on the switch bracket 61, and a sensing block 63 arranged on the tensioning wheel bracket 23 and used for being in sensing connection with the protection switch 62. So set up, utilize protection switch 62 cooperation take-up pulley 24 to use by the response piece 63 on the nail, detect wire rope 3's elasticity, improve the rate of accuracy that equipment malfunction reported to the police, increased electrical equipment's power-off protection function. When equipment malfunctions appears and causes the wire rope 3 to loosen or break, the compression spring 5 can be sprung and opened, the induction block 63 moves upwards, the induction protection switch 62 and the protection switch 62 send out fault signals, and a control system performs power-off protection.
The working principle of the elastic tensioning speed-limiting tensioning device is as follows: the guide columns 41 vertically move through the guiding action of the linear bearing 42 to ensure that the tensioning wheel seat 22 can be adjusted up and down, the tail end of each guide column 41 is provided with a snap spring 43 to prevent the guide columns 41 from slipping out, each guide column 41 is sleeved with a compression spring 5, the tensioning wheel 24 compresses the compression spring 5 when being initially installed, so that the tensioning wheel 24 has a certain downward pre-tightening pressure, and the steel wire rope 3 is in a tightened state within a certain range to ensure that the steel wire rope 3 is tightly connected with the speed limiter ratchet 13 and the tensioning wheel 24 and generates transmission power; the ratchet wheel 13 of the speed limiter can freely rotate within the rated speed, when the running speed of the lifting mechanism exceeds the rated speed of the speed limiter, or the lifting mechanism stalls and falls down, the swing arm 14 on the ratchet wheel 13 of the speed limiter blocks the ratchet 131 of the ratchet wheel 13 under the action of centrifugal force and stops the ratchet wheel 13, the steel wire rope connecting piece 31 on the speed limiter is connected with the safety tongs lifting rod of the lifting mechanism to trigger the safety tongs to clamp a guide rail, so that the lifting mechanism stops running, and the speed limiter plays a role in safety speed limiting and braking.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (4)
1. The utility model provides a speed limit overspeed device tensioner of elasticity tensioning, is applied to jacking equipment, including the take-up pulley subassembly and the overspeed governor subassembly that are fixed in jacking equipment's frame, its characterized in that: tensioning wheel subassembly and overspeed governor subassembly correspond the branch and locate the upper portion and the lower part of frame, the overspeed governor subassembly includes base, mounting bracket, installs in the ratchet of mounting bracket through the round pin axle, the tensioning wheel subassembly includes mount pad, tensioning wheel seat, tensioning wheel support and installs the take-up pulley on tensioning wheel support through the round pin axle, take-up pulley and ratchet pass through wire rope and connect, be provided with the direction subassembly on the tensioning wheel seat, the direction subassembly includes two guide posts, and the upper end of each guide post is fixed in the tensioning wheel seat, and the lower extreme passes through linear bearing and installs in the mount pad, and the jump ring is installed to the end of each guide post, and the cover is equipped with the compression spring of both ends butt in mount pad and tensioning wheel seat on each guide post, compression spring be used for do the.
2. The speed-limiting tensioning device for elastic tensioning as claimed in claim 1, characterized in that: and a steel wire rope connecting piece is arranged on the steel wire rope, and the compression amount of the compression spring is adjusted to be 30-35 mm by the steel wire rope connecting piece.
3. The speed-limiting tensioning device for elastic tensioning as claimed in claim 1, characterized in that: the overspeed governor subassembly still include through the pivot install in the swing arm of mounting bracket and install in on the mounting bracket and be used for holding the extension spring of swing arm, evenly laid a plurality of ratchets along circumference on the ratchet, form the ratchet clearance between per two ratchets, the one end of swing arm is equipped with along the rolling gyro wheel of the flange of ratchet, and the other end is equipped with the prong that inserts ratchet clearance and ratchet butt.
4. The speed-limiting tensioning device for elastic tensioning as claimed in claim 1, characterized in that: the protection switch assembly comprises a switch support fixed on the mounting seat, a protection switch arranged on the switch support, and an induction block arranged on the tensioning wheel support and used for being connected with the protection switch in an induction mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922244356.0U CN211110504U (en) | 2019-12-16 | 2019-12-16 | Speed-limiting tensioning device for elastic tensioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922244356.0U CN211110504U (en) | 2019-12-16 | 2019-12-16 | Speed-limiting tensioning device for elastic tensioning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211110504U true CN211110504U (en) | 2020-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922244356.0U Active CN211110504U (en) | 2019-12-16 | 2019-12-16 | Speed-limiting tensioning device for elastic tensioning |
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| Country | Link |
|---|---|
| CN (1) | CN211110504U (en) |
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- 2019-12-16 CN CN201922244356.0U patent/CN211110504U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A speed limiting tensioning device for elastic tensioning Effective date of registration: 20211206 Granted publication date: 20200728 Pledgee: Agricultural Bank of China Limited Huangshi lime kiln sub branch Pledgor: HUBEI SANFENG XIAOSONG AUTOMATED WAREHOUSE EQUIPMENT CO.,LTD. Registration number: Y2021980014238 |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 398, Jinshan Avenue, Huangshi economic and Technological Development Zone, Hubei Province Patentee after: Hubei Sanfeng Komatsu Logistics Technology Co.,Ltd. Address before: No.98 Pengcheng Avenue, Jinshan street, Huangshi City, Hubei Province Patentee before: HUBEI SANFENG XIAOSONG AUTOMATED WAREHOUSE EQUIPMENT CO.,LTD. |
|
| PM01 | Change of the registration of the contract for pledge of patent right | ||
| PM01 | Change of the registration of the contract for pledge of patent right |
Change date: 20221114 Registration number: Y2021980014238 Pledgor after: Hubei Sanfeng Komatsu Logistics Technology Co.,Ltd. Pledgor before: HUBEI SANFENG XIAOSONG AUTOMATED WAREHOUSE EQUIPMENT CO.,LTD. |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230109 Granted publication date: 20200728 Pledgee: Agricultural Bank of China Limited Huangshi lime kiln sub branch Pledgor: Hubei Sanfeng Komatsu Logistics Technology Co.,Ltd. Registration number: Y2021980014238 |