CN113819165B - Braking mechanism and stacker - Google Patents
Braking mechanism and stacker Download PDFInfo
- Publication number
- CN113819165B CN113819165B CN202111270384.5A CN202111270384A CN113819165B CN 113819165 B CN113819165 B CN 113819165B CN 202111270384 A CN202111270384 A CN 202111270384A CN 113819165 B CN113819165 B CN 113819165B
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- Prior art keywords
- rail
- track
- stacker
- guide
- slider
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- 230000007246 mechanism Effects 0.000 title claims abstract description 38
- 238000005096 rolling process Methods 0.000 claims description 4
- 230000007257 malfunction Effects 0.000 description 7
- 230000008901 benefit Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D63/00—Brakes not otherwise provided for; Brakes combining more than one of the types of groups F16D49/00 - F16D61/00
- F16D63/008—Brakes acting on a linearly moving member
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Warehouses Or Storage Devices (AREA)
Abstract
The application discloses brake mechanism and stacker, brake mechanism include mount pad, safety tongs and two at least guides. The safety tongs are fixedly connected to the mounting seat and used for holding the track of the stacker so as to realize the braking of the cargo carrying platform of the stacker; the mounting seat and the safety tongs are movably connected to the cargo bed along a floating direction; at least two guide members are arranged on the mounting seat, the track of the stacker is clamped between the at least two guide members and used for guiding the safety tongs to lift along the track, so that when the guide member positioned on one side of the track is propped against the track, the safety tongs can be driven to move along the floating direction through the mounting seat, and the safety tongs are prevented from being contacted with the track.
Description
Technical Field
The application relates to the technical field of stackers, in particular to a braking mechanism and a stacker.
Background
The stacker is required to be provided with a fall protection device, and when a steel wire rope of the cargo carrying platform breaks or the cargo carrying platform descends in an overspeed manner, the fall protection device can automatically brake to stop the cargo carrying platform from descending. In the related art, the safety tongs are arranged to protect the rope from being broken, so that the cargo carrying platform is prevented from falling. However, the safety tongs in the related art are prone to malfunction, which causes the loading platform to be blocked at a certain height position of the stacker, and causes the stacker to malfunction.
Disclosure of Invention
The embodiment of the application provides a braking mechanism and a stacker to can improve the easy malfunction of safety tongs, cause the dead problem of cargo bed card.
The braking mechanism is applied to a stacker and comprises a mounting seat, a safety clamp and at least two guide pieces. The safety tongs are fixedly connected to the mounting seat and used for holding the track of the stacker so as to realize braking of a cargo carrying platform of the stacker; the mounting seat and the safety tongs are movably connected to the cargo bed along a floating direction; at least two guide members are provided at the mount pad, and the rail of the stacker is sandwiched between the at least two guide members.
According to some embodiments of the application, the floating direction is perpendicular to the extending direction of the rail.
According to some embodiments of the application, the brake mechanism further comprises a rail fixedly connected to the cargo bed and extending along a floating direction, and a slider fixedly connected to the mounting base and/or the safety gear and forming a kinematic pair with the rail.
According to some embodiments of the present application, the rail comprises a first rail and a second rail, the slider comprises a first slider and a second slider;
the first guide rail and the second guide rail are arranged on the cargo carrying platform in parallel at intervals, the first sliding block is fixedly connected to the safety tongs and forms a moving pair with the first guide rail, and the second sliding block is fixedly connected to the mounting seat and forms a moving pair with the second guide rail.
According to some embodiments of the present application, the second slider includes a first portion and a second portion that are joined together.
According to some embodiments of the application, the slider comprises a groove and a flange portion, the guide rail is movably embedded in the groove, and the flange portion is fixedly connected to the mounting seat and/or the safety tongs.
According to some embodiments of the application, each guide comprises a guide wheel, each guide wheel being rotatably arranged on the mounting seat and being capable of rolling contact with the track.
According to some embodiments of the application, the axis of rotation of each of the guide wheels is perpendicular to the float direction.
According to some embodiments of the application, the braking mechanism comprises a plurality of pairs of guides, the plurality of pairs of guides being arranged along the extension direction of the rail, and each pair of guides being arranged on two opposite sides of the rail, respectively.
The stacker of the embodiment of the application comprises the braking mechanism.
One embodiment of the above invention has at least the following advantages or benefits:
the braking mechanism of this application embodiment is installed on the cargo carrying platform of stacker, and when the cargo carrying platform goes up and down, at least two guides can guide the safety tongs to go up and down along the track of stacker. And because mount pad and safety tongs are movably connected in the cargo bed along a direction of floating, and two at least guide sets up on the mount pad for when the guide that is located track one side is supported by the track, can drive the safety tongs through the mount pad and remove along the direction of floating, so that the straightness accuracy change that makes safety tongs adaptation track, avoid safety tongs malfunction, lead to the cargo bed card to die.
Drawings
Fig. 1 shows a front view of a brake mechanism according to an embodiment of the present application.
Fig. 2 shows a side view of a brake mechanism according to an embodiment of the present application.
Wherein reference numerals are as follows:
100. mounting base
200. Safety tongs
300. Guide piece
310. Guide wheel
320. Pin shaft
330. Shaft sleeve
340. Nut
400. Guide rail
410. First guide rail
420. Second guide rail
500. Sliding block
510. First slider
511. First groove
512. First flange part
520. Second slider
521. First part
522. Second part
523. Second groove
524. Second flange part
D. Direction of float
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments can be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus detailed descriptions thereof will be omitted.
As described in the background art, for a stacker, a safety clamp is generally used in the related art for rope breakage protection to prevent a cargo bed from falling. However, due to the problem of the mounting accuracy of the safety tongs or the problem of the straightness of the track of the stacker, when the cargo carrying platform is lifted up and down along the track, the safety tongs are easily contacted with the track, so that the safety tongs malfunction, and further, the cargo carrying platform is blocked at a certain height of the stacker, and the stacker is caused to malfunction.
As shown in fig. 1 and 2, fig. 1 is a front view of a brake mechanism according to an embodiment of the present application. Fig. 2 shows a side view of a brake mechanism according to an embodiment of the present application. The braking mechanism of the embodiment of the application is applied to a stacker, and comprises a mounting seat 100, a safety gear 200 and at least two guide pieces 300. The safety tongs 200 are fixedly connected to the mounting block 100 for clasping the rails of the stacker to effect braking of the cargo bed of the stacker. The mounting 100 and the safety clamp 200 are movably connected to the cargo bed in a floating direction D. At least two guide members 300 are disposed on the mounting base 100 and located on two opposite sides of the rail of the stacker, i.e. the rail is sandwiched between the at least two guide members, the guide members 300 are used for guiding the safety tongs to lift along the rail, so that when the guide members 300 located on one side of the rail are abutted by the rail, the safety tongs 200 can be driven to move along the floating direction D by the mounting base 100, so as to avoid the safety tongs 200 contacting the rail.
The braking mechanism of the embodiment of the application is installed on the cargo carrying platform of the stacker, and when the cargo carrying platform is lifted, the at least two guide members 300 can guide the safety tongs to lift along the track of the stacker. In addition, since the mounting seat 100 and the safety tongs 200 are movably connected to the cargo carrying platform along a floating direction D, and at least two guide members 300 are disposed on the mounting seat 100, when the guide member 300 located at one side of the track is propped against the track, the safety tongs 200 can be driven to move along the floating direction D by the mounting seat 100, so that the safety tongs 200 adapt to the straightness change of the track, and the false operation of the safety tongs 200 is avoided, and the cargo carrying platform is prevented from being blocked.
It will be appreciated that, for some reason, such as breakage of a wire rope or a chain, breakage of a lifting motor or a speed reducer, etc., the cargo table of the stacker drops rapidly, and once the dropping speed of the cargo table exceeds a threshold value, the speed limiter is triggered, and the clamp body of the safety clamp 200 is pulled by the speed limiter to clamp the track tightly, so that braking is achieved. It should be noted that the shape and configuration of the safety gear 200 and the working principle of the embodiment of the present application may be implemented by using products mature in the prior art, and will not be described in detail herein.
In one embodiment, the floating direction D in which the mount 100 and the safety gear 200 are movable relative to the load bed is perpendicular to the direction of extension of the rail.
In this embodiment, the guide 300 cooperates with the track when the cargo bed is not dropped sharply, such as by sliding or rolling contact between the guide 300 and the track. Meanwhile, the safety gear 200 does not hold the rail tightly, but keeps a set gap with the rail all the time.
When the straightness of the track is not satisfied, that is, a certain portion of the track is protruded, and the cargo bed is moved to the protruded area, if the safety gear 200 is not moved in the floating direction D, the safety gear 200 is moved to the protruded area, and thus the protruded area of the track is accidentally touched, resulting in malfunction of the safety gear 200.
Looking again at the braking mechanism of the embodiment of the present application, since when the guide 300 located at one side of the track is abutted against the track, the safety tongs 200 can be driven to move along the floating direction D by the mounting base 100, and the floating direction D is perpendicular to the extending direction of the track, so that the safety tongs 200 can move along the floating direction D, thereby avoiding the raised area of the track. That is, the clamp body of the safety clamp 200 is not contacted with the rail all the time in the normal operation state of the cargo bed, so that the problem of misoperation of the safety clamp 200 is avoided.
Of course, in other embodiments, the floating direction D may not be perpendicular to the extending direction of the track, for example, the floating direction D may form an angle with the extending direction of the track, and the angle may be about 85 degrees or about 95 degrees. The relative positional relationship between the floating direction D and the extending direction of the rail can be designed by those skilled in the art according to the specific shape of the rail and the specific shape of the safety gear 200, so that the safety gear 200 can move along the floating direction D, thereby avoiding the protruding region of the rail.
With continued reference to fig. 1, in one embodiment, the brake mechanism further includes a rail 400 and a slider 500, wherein the rail 400 is fixedly connected to the cargo bed and extends along the floating direction D, and the slider 500 is fixedly connected to the mounting base 100 and/or the safety gear 200 and forms a kinematic pair with the rail 400.
In the present embodiment, the movable manner of the mounting base 100 and the safety gear 200 with respect to the loading platform is specifically defined by the manner in which the guide rail 400 and the slider 500 form a moving pair. By providing the guide rail 400 to extend along the floating direction D and by designing the slider 500 and the guide rail 400 to form a pair of movements, the straightness of movement of the safety gear 200 can be ensured, and it is better to ensure that the safety gear 200 does not come into contact with the rail in a normal state.
The slider 500 may be provided on the mounting base 100, on the safety gear 200, or on both the mounting base 100 and the safety gear 200.
Of course, in other embodiments, the movable manner of the mounting base 100 and the safety gear 200 relative to the loading platform may also be by way of a protrusion and a guide slot cooperating. Specifically, a guide groove is provided on the cargo bed, the guide groove extends along the floating direction D, the projection is provided on the stopper mechanism, and the projection is movably accommodated in the guide groove, thereby realizing that the mount 100 and the safety gear 200 are movable with respect to the cargo bed. Alternatively, the guide slot is provided on the brake mechanism and the projection is provided on the cargo bed.
In an embodiment, the guide rail 400 may include a first guide rail 410 and a second guide rail 420, and the slider 500 may include a first slider 510 and a second slider 520. The first rail 410 and the second rail 420 are arranged in parallel at intervals on the cargo bed, for example, at intervals on the end surface of the cargo bed facing the rail. The first slider 510 is fixedly connected to the safety gear 200, for example by bolting or other suitable fixing connection, and the first slider 510 forms a sliding pair with the first rail 410. The second slider 520 is fixedly connected to the mounting base 100, for example, by bolting or other suitable fixing connection, and the second slider 520 forms a moving pair with the second rail 420.
One end of the safety gear 200 is provided with a first slider 510, and the other end of the safety gear 200 is connected to one end of the mounting base 100. The other end of the mount 100 is provided with a second slider 520. In other words, the first slider 510, the safety gear 200, the mount 100, and the second slider 520 are movably sandwiched between the first rail 410 and the second rail 420.
The first slider 510 and the second slider 520 form a sliding pair with the first guide rail 410 and the second guide rail 420, respectively, and the two sliding pairs are respectively disposed on two opposite end surfaces of the integral structure formed by the mounting base 100 and the safety tongs 200, so that stability in the moving process of the mounting base 100 and the safety tongs 200 can be ensured.
As shown in fig. 2, in an embodiment, the first slider 510 includes a first groove 511 and a first flange portion 512, and the first rail 410 is movably embedded in the first groove 511, thereby forming a moving pair. The first flange portion 512 is fixedly attached to the safety gear 200, such as by bolting. The first flange 512 is fixedly connected to the safety gear 200, so that the structural strength of the connection between the first slider 510 and the safety gear 200 can be improved, and the bearing capacity can be improved.
The second slider 520 includes a second groove 523 and a second flange portion 524, and the second rail 420 is movably embedded in the second groove 523, thereby forming a moving pair. The second flange portion 524 is fixedly coupled to the mounting block 100, such as by bolting. The second flange 524 is fixedly connected to the mounting seat 100, so that the structural strength of the connection between the second slider 520 and the mounting seat 100 can be improved, and the bearing capacity can be improved.
In one embodiment, the second slider 520 includes a first portion 521 and a second portion 522 that are joined together. By designing the second slider 520 to be of a splice-able structure, the brake mechanism is facilitated to be disassembled and assembled.
As shown in fig. 1 and 2, in an embodiment, the braking mechanism includes a plurality of pairs of guides 300, the plurality of pairs of guides 300 being provided on the mount 100 and arranged along the extending direction of the rail of the stacker. Each pair of guides 300 is disposed on two opposite sides of the track, respectively. The distance between the two paired guide members 300 is slightly larger than the width of the rail, for example, the difference between the distance between the two guide members 300 and the width of the rail may be 0.5mm, but not limited thereto, so that the paired guide members 300 clamp the rail, and it is ensured that the clamp body of the safety clamp 200 does not contact with the rail.
In the present embodiment, the number of the guide members 300 is two pairs. Of course, other numbers of one pair or more than two pairs are also possible. Of course, at least two guides 300 may not be provided in pairs, such as an even number of guides 300 provided on one side of the rail and an odd number of guides 300 provided on the other side of the rail.
In one embodiment, each guide 300 includes a guide wheel 310, a pin shaft 320, a shaft sleeve 330 and a nut 340, the pin shaft 320 is disposed in a hole formed in the mounting seat 100, the guide wheel 310 is rotatably connected to one end of the pin shaft 320, the shaft sleeve 330 is sleeved on the periphery of the pin shaft 320, and the nut 340 is screwed to the other end of the pin shaft 320. When the cargo bed is lifted along the rails, the guide wheels 310 can be in rolling contact with the rails, on the one hand, to perform a guiding function, and on the other hand, to reduce friction between the guide wheels 310 and the rails.
In one embodiment, the axis of rotation of each guide wheel 310 is perpendicular to the float direction D.
In another aspect of the present application, a stacker is provided that includes a cargo bed and a brake mechanism mounted on the cargo bed, where the brake mechanism employs the brake mechanism in any of the above embodiments.
The stacker of the embodiment of the present application has all the advantages and benefits of any of the above embodiments due to the inclusion of the braking mechanism of any of the above embodiments, and will not be described here again.
In the inventive embodiments, 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; the term "plurality" means two or more, unless expressly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the embodiments of the invention will be understood by those skilled in the art according to the specific circumstances.
In the description of the embodiments of the invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience in describing the embodiments of the invention and to simplify the description, and do not indicate or imply that the devices or units referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the invention.
In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the invention and is not intended to limit the embodiment of the invention, and various modifications and variations can be made to the embodiment of the invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the embodiments of the present invention should be included in the protection scope of the embodiments of the present invention.
Claims (10)
1. A braking mechanism for use with a stacker, the braking mechanism comprising:
a mounting base;
the safety tongs are fixedly connected to the mounting seat and used for holding the track of the stacker so as to realize braking of a cargo carrying platform of the stacker; the mounting seat and the safety tongs are movably connected to the cargo bed along a floating direction;
the guide parts are arranged on the mounting seat, the track of the stacker is clamped between the two guide parts, and the guide parts are used for guiding the safety tongs to lift along the track, so that when the guide parts positioned on one side of the track are propped against the track, the safety tongs can be driven to move along the floating direction through the mounting seat.
2. The brake mechanism of claim 1, wherein the float direction is perpendicular to the direction of extension of the rail.
3. The brake mechanism of claim 1, further comprising a rail fixedly connected to the cargo bed and extending in a floating direction, and a slider fixedly connected to the mounting base and/or the safety gear and forming a kinematic pair with the rail.
4. A brake mechanism according to claim 3, wherein the rail comprises a first rail and a second rail, the slider comprising a first slider and a second slider;
the first guide rail and the second guide rail are arranged on the cargo carrying platform in parallel at intervals, the first sliding block is fixedly connected to the safety tongs and forms a moving pair with the first guide rail, and the second sliding block is fixedly connected to the mounting seat and forms a moving pair with the second guide rail.
5. The brake mechanism of claim 4, wherein the second slider comprises a first portion and a second portion that are joined together.
6. A brake mechanism according to claim 3, wherein the slider comprises a recess in which the rail is movably embedded and a flange portion fixedly connected to the mounting seat and/or the safety gear.
7. The brake mechanism of claim 1, wherein each of the guides includes a guide wheel, each guide wheel rotatably disposed on the mount and capable of rolling contact with the track.
8. The brake mechanism of claim 7, wherein an axis of rotation of each of the guide wheels is perpendicular to the float direction.
9. A brake mechanism according to claim 1, comprising a plurality of pairs of guides arranged along the extension of the rail, each pair of guides being arranged on two opposite sides of the rail.
10. A stacker comprising a braking mechanism according to any one of claims 1 to 9.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202111270384.5A CN113819165B (en) | 2021-10-29 | 2021-10-29 | Braking mechanism and stacker |
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CN202111270384.5A CN113819165B (en) | 2021-10-29 | 2021-10-29 | Braking mechanism and stacker |
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CN113819165A CN113819165A (en) | 2021-12-21 |
CN113819165B true CN113819165B (en) | 2023-08-08 |
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CN202111270384.5A Active CN113819165B (en) | 2021-10-29 | 2021-10-29 | Braking mechanism and stacker |
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CN112727960A (en) * | 2021-01-15 | 2021-04-30 | 安徽送变电工程有限公司 | Centrifugal self-locking device for anti-falling track |
CN213475355U (en) * | 2020-10-28 | 2021-06-18 | 山东洛杰斯特物流科技有限公司 | Safety tongs force applying device for stacking machine |
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KR20210052739A (en) * | 2019-10-31 | 2021-05-11 | 현대자동차주식회사 | Seat apparatus for vehicle |
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CN203902573U (en) * | 2014-05-29 | 2014-10-29 | 中国神华能源股份有限公司 | Rail clamping device and rail traveling mechanism |
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