CN204980258U - Adjustable end stop - Google Patents
Adjustable end stop Download PDFInfo
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- CN204980258U CN204980258U CN201520693985.0U CN201520693985U CN204980258U CN 204980258 U CN204980258 U CN 204980258U CN 201520693985 U CN201520693985 U CN 201520693985U CN 204980258 U CN204980258 U CN 204980258U
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- support portion
- end stop
- adjustable end
- baffle body
- lift arm
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Abstract
The utility model relates to an adjustable end stop, including the actuating mechanism that baffle body and drive baffle body go up and down, actuating mechanism includes drive unit, crank and lift arm, and second pivot rotatable coupling, first pivot and second pivot parallel arrangement and the vertical direction of the equal perpendicular to of axial are passed through through first pivot rotatable coupling, the crank other end with the lift arm to drive unit's output shaft and crank one end, the baffle body is on keep off material portion and supporting part, the lift arm is arranged in to the supporting part bottom, and adjustable end stop is still including the stop gear who restricts the vertical lift of supporting part. This adjustable end stop adopts the vertical lift of plane link mechanism drive baffle body, simple structure, and the operation is reliable. Baffle body and drive unit's output shaft is direct contact not, and the effort that drive unit received is less, and the loss that equipment received is less. Because on the lift arm was arranged in to the baffle body, the installation was all more convenient with the dismantlement, it is convenient to maintain.
Description
Technical field
The utility model belongs to technical field of metallurgical equipment, is specifically related to a kind of adjustable end stop.
Background technology
In continuous casting or Rolling production process, strand after cutting machine cutting or the rolled piece after sawing, when rollgang is transported to next station, need to be provided with adjustable end stop device, for separating of or location strand or rolled piece, avoid colliding between front and back pieces or interfering.In strand or rolled piece advance process, due to the effect of inertia, very large impulsive force must be applied to adjustable end stop, in the course of time, cause baffle plate to be out of shape or foundation failure, lifting action was lost efficacy, cannot accurate stopping be realized.
The mode that existing adjustable end stop generally all adopts the Direct driver such as hydraulic actuating cylinder or cylinder baffle plate to be elevated, namely output shaft is directly connected with baffle plate, if application number is the Chinese patent etc. of 201420262378.4; The impulsive force that this mode can make baffle plate be subject to is passed to hydraulic actuating cylinder or cylinder etc., causes equipment loss, reduces the service life of equipment.And adopt other type of drive, if application number is the Chinese patent etc. of 201110316068.7, the stability of baffle plate lifting action, controllability and accuracy can be reduced.
Therefore be necessary to design a kind of adjustable end stop, to overcome the problems referred to above.
Utility model content
The utility model embodiment relates to a kind of adjustable end stop, at least can solve the segmental defect of prior art.
The utility model embodiment relates to a kind of adjustable end stop, the driver train comprising baffle body and drive described baffle body to be elevated, described driver train comprises driver element, crank and lift arm, output shaft and described crank one end of described driver element are rotatably connected by the first rotating shaft, the described crank other end and described lift arm are rotatably connected by the second rotating shaft, and described first rotating shaft and described second shaft parallel are arranged and axially all perpendicular to vertical direction; Described baffle body comprises backgauge portion and support portion, and bottom, described support portion is placed on described lift arm, and described adjustable end stop also comprises the stop gear of restriction described support portion vertical lifting.
As one of embodiment, described first rotating shaft be axially perpendicular to material service direction; Rotate on described lift arm and be provided with cylinder, the axis of described cylinder is parallel with the axis of described first rotating shaft, and bottom, described support portion is placed on described cylinder.
As one of embodiment, described lift arm has extended to form extension arm from the second rotating shaft position place to the side away from described support portion, and described extension arm is provided with counterweight.
As one of embodiment, described stop gear comprises at least one pair of locating part, and each described locating part is all fixed in frame, and often pair of described locating part is symmetrically set in both sides, described support portion along material service direction, and all contacts with described support portion.
As one of embodiment, each described locating part is cylindrical limited post, and the axis of each described limited post is all vertical with vertical direction and material service direction.
As one of embodiment, each described limited post is all rotatably located in frame around its axis.
As one of embodiment, described adjustable end stop is also provided with stroke controlling structure, and described stroke controlling structure comprises locating plate, and described locating plate to be fixed in frame and to extend below described support portion.
As one of embodiment, in being provided with protective case between described locating part topmost and described backgauge portion, described protective case is fixed on described support portion, and at least covers at outside described locating part topmost; When described support portion falls on described locating plate, between described protective case and described locating part topmost, leave gap.
As one of embodiment, described adjustable end stop is also provided with buffer gear, described buffer gear comprises at least one recoil spring, described recoil spring one end is fixed in frame, the other end and described support portion are near the contacts side surfaces carrying out material side, opposite side correspondence in described support portion is provided with a locating part, and described locating part is fixed in frame, and contacts with the another side of described support portion.
As one of embodiment, described backgauge portion is provided with cushioned material layer near the side carrying out material side.
The utility model embodiment at least achieves following beneficial effect: this adjustable end stop adopts planar linkage mechanism to drive baffle body vertical lifting, and structure is simple, reliable.Baffle body does not directly contact with the output shaft of driver element, impulsive force suffered by baffle body is passed in the process of output shaft successively by lift arm, crank, the friction force between support portion and lift arm can be changed into and absorbed by two structures that are rotatably connected gradually, therefore, application force suffered by driver element is less, the loss that equipment is subject to is less, and cost of equipment maintenance is low.Because baffle body is placed on lift arm, from rollgang, this baffle body extracted out or insert, the Assembly &Disassembly of the parts that the frequency of maintenance therefore in this adjustable end stop is the highest and baffle body is all more convenient, and the property easy to maintenance of effective raising equipment, increases work efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the adjustable end stop that Fig. 1 provides for the utility model embodiment.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, other embodiments all that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belong to the scope of the utility model protection.
As Fig. 1, the utility model embodiment relates to a kind of adjustable end stop, the driver train comprising baffle body and drive described baffle body to be elevated, described driver train comprises driver element 10, crank 13 and lift arm 12, output shaft and described crank 13 one end of described driver element 10 are rotatably connected by the first rotating shaft, described crank 13 other end and described lift arm 12 are rotatably connected by the second rotating shaft, and described first rotating shaft and described second shaft parallel are arranged and axially all perpendicular to vertical direction; Described baffle body comprises backgauge portion 2 and support portion 6, and bottom, described support portion 6 is placed on described lift arm 12; Described adjustable end stop also comprises the stop gear of restriction described support portion 6 vertical lifting.Namely above-mentioned output shaft, crank 13 and lift arm 12 form a planar linkage mechanism, drive crank 13 and lift arm 12 to swing in vertical direction by output shaft; Because bottom, support portion 6 is placed on lift arm 12, when lift arm 12 swings in vertical direction, namely drive support portion 6 in the vertical direction to be subjected to displacement, thus drive backgauge portion 2 to be elevated.Backgauge portion 2 and support portion 6 are structure as a whole, and backgauge portion 2 is positioned at above support portion 6, and wide of this baffle body perpendicular to material (strand or rolled piece) service direction; Lift arm 12 can perpendicular to wide of this baffle body, or be parallel to this wide, or between two above-mentioned states, be preferably this lift arm 12 perpendicular to this wide, namely the axis of the first rotating shaft and the second rotating shaft is all perpendicular to material service direction, facilitate facility location on the one hand, on the other hand, can ensure that baffle body is not subjected to displacement on its Width (i.e. strand or rolled piece Width), reduce the propulsive effort that this driver train drives support portion 6, make baffle body lifting action more smooth.
As Fig. 1, this adjustable end stop is located in frame 9, and this frame 9 is located at below mass transport roller-way.Driver element 10 can be hydraulic actuating cylinder or cylinder, and its level is installed in frame 9, and its output shaft one end is fixed with contiguous block, and this contiguous block is rotatably connected by the first rotating shaft and crank 13.In output shaft telescopic process, drive crank 13 to swing in vertical direction, and then drive lift arm 12 to swing in vertical direction.This first rotating shaft and the second rotating shaft are all rotatably arranged in frame 9; Preferably, output shaft (contiguous block) and crank 13 are hinged, are hinged between crank 13 and lift arm 12, or crank 13 and lift arm 12 are integral type structure and integral type Assembly &Disassembly.Bottom, support portion 6 is placed on lift arm 12, and when lift arm 12 swings, because support portion 6 can only vertical lifting by the restriction of stop gear, thus support portion 6 forms slide displacement on lift arm 12.Take this mode, baffle body is not directly contacted with driver element 10 output shaft, impulsive force suffered by baffle body is passed in the process of output shaft successively by lift arm 12, crank 13, the friction force between support portion 6 and lift arm 12 can be changed into and absorbed by two structures that are rotatably connected gradually, therefore, under the synergy of this adjustable end stop buffer gear, the application force suffered by driver element 10 is less, the loss that equipment is subject to is less, and cost of equipment maintenance is low.
Continue above-mentioned support portion 6 and the structural relation of lift arm 12, because support portion 6 need form slide displacement on lift arm 12, is reduce friction force therebetween, can arranges a slide block in bottom, support portion 6, correspondingly arranges slideway at lift arm 12 top; Although this mode can reduce friction, but the motion path of support portion 6 is limited, affect the lifting action fluency of baffle body first, make baffle body can not arrive the travel displacement place of setting in time, second the impulsive force be subject to due to baffle body is larger, the interference producing the power except glide direction between the slide block on support portion 6 and the slideway on lift arm 12 certainly will be caused in the process of rocking, cause equipment to bear extra impulsive force and torsion.As Fig. 1, be a kind of preferred version of the present embodiment, namely rotate on described lift arm 12 and be provided with cylinder 11, the axis of described cylinder 11 is parallel with the axis of described first rotating shaft, and bottom, described support portion 6 is placed on described cylinder 11; Arrange cylinder 11 to make to form friction of rolling but not cliding friction between support portion 6 and lift arm 12, the resistance between driver train and baffle body can be effectively reduced, make the lifting action of baffle body more smooth and easy, the action response speed of baffle body is fast, abrasion between equipment are less, the working stability of effective this adjustable end stop of raising, accuracy and service life, and reduce operating noise.In addition, because baffle body is placed on lift arm 12, from rollgang, this baffle body extracted out or insert, the Assembly &Disassembly of the parts that the frequency of maintenance therefore in this adjustable end stop is the highest and baffle body is all more convenient, the property easy to maintenance of effective raising equipment, increases work efficiency.It should be noted that, for ensureing to be always friction of rolling relation between support portion 6 and lift arm 12, the diameter of cylinder 11 should be enough large to meet within the scope of the lifting travel of support portion 6, and bottom, support portion 6 is positioned on cylinder 11 all the time; During actual use, the diameter of cylinder 11 should consider the factors such as the pendulum angle size of the thickness of baffle body (support portion 6), the lifting travel size of baffle body and lift arm 12.In the present embodiment, above-mentioned cylinder 11 can adopt the rotatable cylinders such as sleeve.
As Fig. 1, optimize the structure of above-mentioned lift arm 12 further, described lift arm 12 has extended to form extension arm 14 from the second rotating shaft position place to the side away from described support portion 6, and described extension arm 14 is provided with counterweight 7.Namely this lift arm 12 with the second rotating shaft for fulcrum forms a lever, can the gravitational moment of balance portion or whole baffle body by counterweight 7, reduce the propulsive effort of driver train, improve the lifting rhythm of baffle body, improve the action response speed of baffle body further; Preferably, be no more than the gravitational moment of the baffle body of 80% by counterweight 7 balance, while the propulsive effort reducing driver train, when baffle body is positioned at descending stroke end, this baffle body can keep low level.This can shorten the in-service time of driver element, and beneficial especially when driving for employing cylinder.Further, according to lever principle, cylinder 11 and the counterweight 7 corresponding end being positioned at lift arm 12 and extension arm 14 is respectively set, the weight of the length that can set extension arm 14 and lift arm 12 as required when counterweight 7.
As Fig. 1, as a kind of preferred version of the present embodiment, described stop gear comprises at least one pair of locating part 5, and each described locating part 5 is all fixed in frame 9, often pair of described locating part 5 is symmetrically set in both sides, described support portion 6 along material service direction, and all contacts with described support portion 6.Wherein, each described locating part 5 can be positioning plate or limiting stopper or limited post, be preferably cylindrical limited post in the present embodiment, the axis of each described limited post is all vertical with vertical direction and material service direction, and the distance namely between often pair of limited post is more than or equal to the thickness of support portion 6; Adopt the area of contact that cylindrical limited post can reduce between limited post and baffle body, thus reduce the friction force in baffle body lifting process and between each limited post.Further, each described limited post is all rotatably located in frame 9 around its axis; Thus make baffle body in lifting process and between each limited post for friction of rolling, effectively reduce the frictional loss of baffle body, improve the service life of equipment, and reduce operating noise.The length of each limited post is preferably identical with the width of baffle body.
As Fig. 1, the above-mentioned stop gear of further optimization, this adjustable end stop is also provided with buffer gear, described buffer gear comprises at least one recoil spring 4, described recoil spring 4 one end is fixed in frame 9, and the other end and described support portion 6 are near the contacts side surfaces carrying out material side, and the opposite side correspondence in described support portion 6 is provided with a locating part 5, described locating part 5 is fixed in frame 9, and contacts with the another side of described support portion 6.This locating part 5 adopts cylindrical limited post as above equally; The quantity of recoil spring 4 is then depending on the impulsive force suffered by baffle body, and multiple recoil spring 4 is preferably spaced successively along support portion 6 Width.Recoil spring 4 Absorbable rod material, to the impact kinetic energy of baffle body, reduces the probability of baffle body distortion, reduces impact noise; Meanwhile, recoil spring 4 coordinates defining baffle body vertical lifting with corresponding locating part 5.As Fig. 1, be equivalent to employing two pairs of locating parts 5 pairs of support portions 6 and limit, make baffle body vertical lifting; Wherein, recoil spring 4 and corresponding locating part 5 are positioned at below, and another is to locating part 5 between backgauge portion 2 and recoil spring 4, and the action effect that recoil spring 4 absorbs impact kinetic energy is better.
Continue the structure of above-mentioned buffer gear, and described backgauge portion 2 is provided with cushioned material layer 1 near the side carrying out material side.This cushioned material layer 1 can adopt yielding rubber plate, and cost is low, and result of use is good; Certainly, also other padded coamings can be used.This cushioned material layer 1 is set and can absorbs the impact kinetic energy of material to baffle body further, reduce the probability of baffle body distortion, reduce impact noise, the service life of effective raising equipment.
As Fig. 1, optimize this adjustable end stop further, be also provided with baffle body stroke controlling structure, concrete, comprise following structure:
Described stroke controlling structure comprises locating plate 8, and described locating plate 8 to be fixed in frame 9 and to extend below described support portion 6.When lift arm 12 declines, baffle body drops to and contacts with locating plate 8 under Gravitative Loads, and now backgauge portion 2 drops to and leaves material operation passage and stop declining.After baffle body stops decline, lift arm 12 continues to swing to end of travel, the benefit done like this is, when baffle body carries out next vertical motion, lift arm 12 can reserve one section of idle travel, get out of the way the district of initially exerting oneself (this field forces arm of initially exerting oneself is little, and the moment of generation is also little) of driver element 10.That is, at the descending stroke end of baffle body, between bottom support portion 6 and frame 9, certain distance should be had so that lift arm 12 continues to lower swing.
When above-mentioned locating plate 8 position be fixed in frame 9 should ensure that baffle body stops, this baffle body drops to be left material and runs passage and be positioned at below rollgang, thus does not run with material and interfere.Make the lifting action of this adjustable end stop controlled by arranging range controlling mechanism, and reduce driver train in-service time and ranging coverage, reduce costs.
As Fig. 1, as a kind of preferred version of the present embodiment, in being provided with protective case 3 between described locating part 5 topmost and described backgauge portion 2, described protective case 3 is fixed on described support portion 6, and at least covers at outside described locating part 5 topmost; When support portion 6 drops down onto on described locating plate 8, between described protective case 3 and described locating part 5 topmost, leave gap.Arranging protective case 3 can prevent the iron scale etc. of strand or rolled piece from falling in slideway, causes the abrasion between baffle body and locating part 5, between baffle body and lift arm 12 to increase.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. an adjustable end stop, the driver train comprising baffle body and drive described baffle body to be elevated, it is characterized in that: described driver train comprises driver element, crank and lift arm, output shaft and described crank one end of described driver element are rotatably connected by the first rotating shaft, the described crank other end and described lift arm are rotatably connected by the second rotating shaft, and described first rotating shaft and described second shaft parallel are arranged and axially all perpendicular to vertical direction; Described baffle body comprises backgauge portion and support portion, and bottom, described support portion is placed on described lift arm, and described adjustable end stop also comprises the stop gear of restriction described support portion vertical lifting.
2. adjustable end stop according to claim 1, is characterized in that: described first rotating shaft be axially perpendicular to material service direction; Rotate on described lift arm and be provided with cylinder, the axis of described cylinder is parallel with the axis of described first rotating shaft, and bottom, described support portion is placed on described cylinder.
3. adjustable end stop according to claim 1 and 2, is characterized in that: described lift arm has extended to form extension arm from the second rotating shaft position place to the side away from described support portion, and described extension arm is provided with counterweight.
4. adjustable end stop according to claim 1 and 2, it is characterized in that: described stop gear comprises at least one pair of locating part, each described locating part is all fixed in frame, and often pair of described locating part is symmetrically set in both sides, described support portion along material service direction, and all contacts with described support portion.
5. adjustable end stop according to claim 4, is characterized in that: each described locating part is cylindrical limited post, and the axis of each described limited post is all vertical with vertical direction and material service direction.
6. adjustable end stop according to claim 5, is characterized in that: each described limited post is all rotatably located in frame around its axis.
7. adjustable end stop according to claim 2, is characterized in that: described adjustable end stop is also provided with stroke controlling structure, and described stroke controlling structure comprises locating plate, and described locating plate to be fixed in frame and to extend below described support portion.
8. adjustable end stop according to claim 7, is characterized in that: in being provided with protective case between described locating part topmost and described backgauge portion, described protective case is fixed on described support portion, and at least covers at outside described locating part topmost; When described support portion falls on described locating plate, between described protective case and described locating part topmost, leave gap.
9. adjustable end stop according to claim 1 and 2, it is characterized in that: described adjustable end stop is also provided with buffer gear, described buffer gear comprises at least one recoil spring, described recoil spring one end is fixed in frame, the other end and described support portion are near the contacts side surfaces carrying out material side, opposite side correspondence in described support portion is provided with a locating part, and described locating part is fixed in frame, and contacts with the another side of described support portion.
10. adjustable end stop according to claim 9, is characterized in that: described backgauge portion is provided with cushioned material layer near the side carrying out material side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520693985.0U CN204980258U (en) | 2015-09-09 | 2015-09-09 | Adjustable end stop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520693985.0U CN204980258U (en) | 2015-09-09 | 2015-09-09 | Adjustable end stop |
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| CN204980258U true CN204980258U (en) | 2016-01-20 |
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| CN201520693985.0U Active CN204980258U (en) | 2015-09-09 | 2015-09-09 | Adjustable end stop |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105059893A (en) * | 2015-09-09 | 2015-11-18 | 中冶南方工程技术有限公司 | Lifting baffle |
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2015
- 2015-09-09 CN CN201520693985.0U patent/CN204980258U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105059893A (en) * | 2015-09-09 | 2015-11-18 | 中冶南方工程技术有限公司 | Lifting baffle |
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