CN112027894A

CN112027894A - Clamp for steel slag

Info

Publication number: CN112027894A
Application number: CN202011001047.1A
Authority: CN
Inventors: 魏云林; 徐晖; 李纲
Original assignee: Enbeili Kunshan Machinery Co ltd
Current assignee: Enbeili Kunshan Machinery Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2020-12-04

Abstract

The invention relates to a steel slag fixture, which comprises a clamp seat, a left clamp arm group, a right clamp arm group and a plurality of suspension rods, wherein a first articulated shaft is fixedly penetrated at the top end of the left clamp arm group, a first tooth holder is detachably fixed on the bottom surfaces of a plurality of left clamp arms in the left clamp arm group, a second articulated shaft is penetrated and fixed at the top end of the right clamp arm group, a second tooth holder is detachably fixed on the bottom surfaces of a plurality of right clamp arms in the right clamp arm group, two ends of each suspension rod are respectively articulated with the first articulated shaft and the second articulated shaft, and the left clamp arm group and the right clamp arm group are both articulated and fixed in the clamp seat; the steel slag clamp provided by the invention can be used at a high temperature, avoids potential safety hazards, reduces the labor cost and improves the market competitiveness.

Description

Clamp for steel slag

Technical Field

The invention relates to the technical field of load hanging devices, in particular to a steel slag clamp.

Background

At present, steel-making process in steel mill can produce waste steel slag with inverted frustum shape, the self weight is different from 10T-30T, when the steel slag is carried, workers adopt steel wire ropes to wind the steel slag annularly, and then the steel slag is hoisted and carried by a crane. The high temperature of the steel slag (up to 300 ℃) and the risk of falling off at any time have to be faced in this process. In addition, because the shape of the steel slag material is an inverted cone frustum shape, the traditional bivalve hydraulic grab bucket cannot grab, the traditional bivalve grab bucket is easy to receive large lateral force when grabbing, the friction force of the bucket tip is insufficient, and the steel slag is easy to fall off.

In conclusion, the clamp for the steel slag provided by the invention is mainly applied to the transfer of the steel slag in a steel mill, the highest working environment temperature reaches 450 ℃, and the highest temperature is about 600 ℃.

In view of the above-mentioned drawbacks, the present designer has made active research and innovation to create a steel slag clamp with good clamping reliability, so that the steel slag clamp has industrial application value.

Disclosure of Invention

In order to solve the technical problems, the invention aims to provide a steel slag clamp with good clamping reliability, which utilizes a hydraulic system to drive a suspension rod to lift so as to realize actions of clamping, hoisting, opening pliers and the like on steel slag.

The clamp for the steel slag comprises a clamp seat, a left clamp arm group, a right clamp arm group and a plurality of suspension rods, wherein a first articulated shaft is fixedly penetrated at the top end of the left clamp arm group, a first tooth seat is detachably fixed on the bottom surfaces of a plurality of left clamp arms in the left clamp arm group, a second articulated shaft is penetrated and fixed at the top end of the right clamp arm group, a second tooth seat is detachably fixed on the bottom surfaces of a plurality of right clamp arms in the right clamp arm group, two ends of each suspension rod are respectively articulated with the first articulated shaft and the second articulated shaft, the left clamp arm group and the right clamp arm group are both articulated and fixed in the clamp seat, and the clamp further comprises a hydraulic system which is connected with the suspension rods and controls the suspension rods to lift.

Furthermore, the left tong arm group includes two at least left tong arms, and each the top of left tong arm is all worn to establish and is fixed with first articulated shaft, and each the bottom of left tong arm is all detachable to be fixed with the first toothholder that is used for the installation or changes the bucket tooth, right tong arm group includes two at least right tong arms, each the top of right tong arm is all worn to establish and is fixed with the second articulated shaft, each the bottom of right tong arm is all detachable to be fixed with the second toothholder that is used for the installation or changes the bucket tooth.

Furthermore, a first middle tong arm is fixed between the two left tong arms, a first tooth holder for mounting or replacing the bucket tooth is detachably fixed on the bottom surface of the first middle tong arm, a second middle tong arm is fixed between the two right tong arms, and a second tooth holder for mounting or replacing the bucket tooth is detachably fixed on the bottom surface of the second middle tong arm.

Furthermore, a layer of heat insulation plate is arranged between the first tooth holder and the bucket tooth and between the second tooth holder and the bucket tooth.

Furthermore, the left clamp arm group is hinged with two side surfaces of the clamp seat through the two left clamp arms, and the right clamp arm group is hinged with two side surfaces of the clamp seat through the two right clamp arms.

Furthermore, a first hinge shaft is fixedly arranged at the top end of each left tong arm in a penetrating manner, a second hinge shaft is fixedly arranged at the top end of each right tong arm in a penetrating manner, and two ends of each suspension rod are respectively hinged with the first hinge shaft and the second hinge shaft.

Furthermore, a layer of heat insulation plate is arranged on the bottom surface of the clamp seat, and a plurality of downward convex blocks are arranged on the heat insulation plate.

Further, the hydraulic system further comprises a pressure sensor located on the control clamping oil path.

By the scheme, the invention at least has the following advantages:

1. the steel slag fixture provided by the invention is simple to operate, good in clamping reliability and high in hoisting production efficiency;

2. in the process of driving the suspension rod to lift by using the hydraulic system, the use is reliable, the fault performance is visual, and the maintenance is convenient;

3. the potential safety hazard is avoided, the operation cost is reduced, and the market competitiveness is improved.

The clamp for the steel slag provided by the invention is an automatic intelligent lifting appliance, has high clamping speed and good clamping reliability, and utilizes a hydraulic system to drive the suspension rod to lift, thereby realizing actions of clamping, lifting, opening tongs and the like on the steel slag.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.

Drawings

FIG. 1 is a front view of a steel slag three-point clamping apparatus according to the present invention;

FIG. 2 is a bottom view of the steel slag fixture of the present invention for three-point clamping;

FIG. 3 is a front view of four-point clamping of the steel slag fixture according to the present invention;

FIG. 4 is a bottom view of the steel slag fixture of the present invention for four-point clamping;

FIG. 5 is a schematic structural view of a right tong arm group in the steel slag clamp of the present invention;

FIG. 6 is a schematic structural view of a left tong arm group in the steel slag clamp of the present invention;

FIG. 7 is a right side view of a steel slag jig according to the present invention.

1 clamp base 2 suspension rod

3 first articulated shaft 4 first toothholder

5 second articulated shaft 6 second gear seat

7 left clamp arm and 8 right clamp arm

9 hydraulic system 10 bucket tooth

11 first middle tong arm 12 second middle tong arm

13 insulation board 14 bump

15 steel slag 16 fixed shaft

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with 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.

Fig. 1 to 7 show a slag anchor clamps, including clamp seat 1, left side pincers armset, right side pincers armset and a plurality of polished rod 2, first articulated shaft 3 is worn to be equipped with fixedly on the top of left side pincers armset, the bottom surface detachable of a plurality of left tong arms 7 is fixed with first toothholder 4 in the left side pincers armset, second articulated shaft 5 is worn to be equipped with and fixed on the top of right side pincers armset, the bottom surface detachable of a plurality of right tong arms 8 is fixed with second toothholder 6 in the right side pincers armset, the both ends of polished rod 2 are articulated with first articulated shaft 3 and second articulated shaft 5 respectively, left side pincers armset and right pincers armset are all articulated to be fixed in clamp seat 1, still include and be connected with a plurality of polished rod 2 and control its hydraulic system 9 that goes up and down.

The principle of the steel slag clamp provided by the invention is as follows:

because the material form of the steel slag 15 is in the shape of an inverted round table, the traditional bivalve hydraulic grab bucket cannot grab, the traditional bivalve grab bucket is easy to receive large lateral force when grabbing, the friction force of a bucket tip is insufficient, and the steel slag 15 is easy to fall off. This anchor clamps for slag are fixed to be worn to be equipped with first articulated shaft 3 on the top of left tong armset, the top of right tong armset is worn to establish and is fixed with second articulated shaft 5, the both ends of polished rod 2 are articulated with first articulated shaft 3 and second articulated shaft 5 respectively, still include the hydraulic system 9 of being connected and controlling its lift with a plurality of polished rod 2, when can control polished rod 2 lift through hydraulic system 9, drive left tong armset and right tong armset and open and shut, the bottom surface detachable of a plurality of left tong arms 7 is fixed with first toothholder 4 in the left tong armset, the bottom surface detachable of a plurality of right tong arms 8 is fixed with second toothholder 6 in the right tong armset, all can be used for the installation or dismantle bucket tooth 10 on first toothholder 4 and the second pool seat, left tong armset and right tong armset are all articulated to be fixed in pressing from both sides tong armset 1. The steel slag fixture provided by the invention adopts a bivalve integral structure, the bottoms of the left tong arm group and the right tong arm group are in fitting arc curve shapes, at least three positions for installing the detachable high-strength wear-resistant bucket teeth 10 are arranged on the first tooth holders 4 and the second tooth holders 6 at the bottom ends of the left tong arm group and the right tong arm group, and four positions for installing the detachable high-strength high-temperature wear-resistant bucket teeth 10 can be also arranged on the first tooth holders 4 and the second tooth holders 6 and are used for simultaneously clamping the inverted frustum-shaped steel slag 15 by matching with the left tong arm group and the right tong arm group, so that the steel slag 15 which is relatively regular can be grabbed, and the stability is higher.

In this embodiment, left tong arm group includes two at least left tong arms 7, the top of each left tong arm 7 is all worn to establish and is fixed with first articulated shaft 3, the equal detachable first toothholder 4 that is used for installing or changing bucket tooth 10 in bottom of each left tong arm 7, right tong arm group includes two at least right tong arms 8, the top of each right tong arm 8 is all worn to establish and is fixed with second articulated shaft 5, the equal detachable second toothholder 6 that is used for installing or changing bucket tooth 10 in bottom of each right tong arm 8, can all install bucket tooth 10 on each first toothholder 4 and second toothholder 6, it is tight to constitute four-point clamp, the comparatively regular inverted circular truncated cone shaped slag 15 of reply that this kind of mode can be fine.

In the embodiment, a first middle tong arm 11 is fixed between the two left tong arms 7, a first tooth holder 4 for mounting or replacing the bucket tooth 10 is detachably fixed on the bottom surface of the first middle tong arm 11, a second middle tong arm 12 is fixed between the two right tong arms 8, and a second tooth holder 6 for mounting or replacing the bucket tooth 10 is detachably fixed on the bottom surface of the second middle tong arm 12, wherein the first middle tong arm 11 is fixed by a fixed shaft 16 which sequentially penetrates through the two left tong arms 7 and the first middle tong arm 11 positioned between the two left tong arms 7, the first middle tong arm 11 is integrally formed with the fixed shaft 16 which penetrates through the two left tong arms 7, the second middle tong arm 12 is fixed by a fixed shaft 16 which sequentially penetrates through the two right tong arms 8 and the second middle tong arm 12 positioned between the two right tong arms 8, the second middle tong arm 12 is integrally formed with the fixed shaft 16 which penetrates through the two right tong arms 8, like this, detachable is fixed with bucket tooth 10 on first toothholder 4 or the second toothholder 6 of tong arm 12 bottom in first well tong arm 11 or the second, still need install bucket tooth 10 on first toothholder 4 or the second toothholder 6 on two first toothholders 4 or two second toothholders 6, constitutes three point clamping, and comparatively irregular inverted circular truncated cone shape slag 15 of reply that this kind of mode can be fine.

In the present embodiment, in order to block the heat conduction between the tooth 10 and the tooth holder as much as possible, a layer of heat insulation plate 13 is provided between the first tooth holder 4 and the tooth 10 and between the second tooth holder 6 and the tooth 10.

In this embodiment, in order to make the left forceps arm group and the right forceps arm group rotate with the hinge point on the forceps base 1 as the pivot, thereby realizing opening and closing, the left forceps arm group is articulated with two sides of the forceps base 1 through two left forceps arms 7 respectively, and the right forceps arm group is articulated with two sides of the forceps base 1 through two right forceps arms 8 respectively.

In this embodiment, in order to prevent that two left tong arms 7 in the left tong arm group and two right tong arms 8 in the right tong arm group can realize synchronous opening and closing under the drive of two polished rod sections 2, first articulated shaft 3 is fixedly worn to be equipped with on the top of each left tong arm 7, second articulated shaft 5 is worn to be equipped with and is fixed with on the top of each right tong arm 8, and the both ends of each polished rod section 2 are articulated with first articulated shaft 3 and second articulated shaft 5 respectively.

In the embodiment, in order to prevent the heat of the steel slag 15 with the inverted truncated cone shape contacting the bottom surface of the clamp base 1 from transferring heat through the clamp base 1, a layer of heat insulation plate 13 is arranged on the bottom surface of the clamp base 1, and a plurality of downward convex blocks 14 are arranged on the heat insulation plate 13.

In the embodiment, in order to avoid loosening during the movement of the clamped steel slag 15, the clamping oil path therein is controlled by the hydraulic system 9, and the hydraulic system 9 further comprises a pressure sensor on the control clamping oil path.

The operation process of the invention is as follows:

1. because the material form of the steel slag 15 is in the shape of an inverted round table, the traditional double-petal hydraulic grab bucket cannot grab, the traditional multi-petal grab bucket is easy to receive large lateral force when grabbing, the friction force of the bucket tip is insufficient, and the steel slag 15 is easy to fall off. Therefore, the special fixture for the steel slag 15, which is provided by the invention, is required to be adopted, a bivalve integral structure is adopted, the shapes of fitting circular arc curves are adopted at the bottom ends of the left tong arm group and the right tong arm group, and tooth holders which are arranged at the bottom surfaces of the left tong arm group and the right tong arm group and are used for mounting the detachable high-strength wear-resistant bucket teeth 10 are arranged, so that bucket teeth 10 with different functions can be mounted by selecting tooth holders at different positions according to whether the shape of the steel slag 15 is regular, and the special fixture for the steel slag 15, which is provided by the invention, is matched with the operation method for the steel slag 15 with the inverted frustum-shaped under different conditions, so;

2. the left clamp arm 7 in the left clamp arm group and the right clamp arm 8 in the right clamp arm group adopt box body structures at multiple positions, the arc-shaped box body replaces a large bent plate of a traditional bucket flap, the strength is greatly improved, the arc-shaped box body replaces a rib plate of the traditional bucket flap, and the strength of the left clamp arm 7 and the strength of the right clamp arm 8 are also greatly improved;

3. aiming at the characteristic that the steel slag 15 has high temperature, the first tooth holder 4 and the second tooth holder 6 are both provided with heat insulation plates 13 made of nano materials, the heat conduction of the temperature at the position of the bucket tooth 10 is blocked as much as possible, and in addition, a layer of heat insulation plates 13 made of nano materials is paved on the bottom surface of the clamp holder 1 to block the convection heat radiation of the heat of the steel slag 15;

4. in order to avoid the loosening in the moving process of clamping the steel slag 15, the pressure sensor is arranged on the clamping oil path, so that the hydraulic system 9 can automatically perform clamping action when the pressure is reduced after clamping, and the steel slag 15 is prevented from falling off.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, it should be noted that, for those skilled in the art, many modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The clamp for the steel slag is characterized in that: including clamp seat, left pincers armset, right pincers armset and a plurality of bull stick, the top of left pincers armset is fixed to be worn to be equipped with first articulated shaft, the bottom surface detachable of a plurality of left tong arms in the left pincers armset is fixed with first toothholder, the top of right pincers armset is worn to establish and is fixed with the second articulated shaft, the bottom surface detachable of a plurality of right tong arms in the right pincers armset is fixed with the second toothholder, the both ends of bull stick respectively with first articulated shaft and second articulated shaft are articulated, left pincers armset and right pincers armset all articulate and are fixed in the clamp seat, still include with a plurality of hydraulic system that the bull stick is connected and control its lift.

2. The steel slag jig according to claim 1, characterized in that: the left tong arm group comprises at least two left tong arms, each first articulated shaft is arranged and fixed on the top end of each left tong arm in a penetrating mode, each first tooth holder used for installing or replacing bucket teeth is fixed on the bottom end of each left tong arm in a detachable mode, the right tong arm group comprises at least two right tong arms, each second articulated shaft is arranged and fixed on the top end of each right tong arm in a penetrating mode, and each second tooth holder used for installing or replacing bucket teeth is fixed on the bottom end of each right tong arm in a detachable mode.

3. The steel slag jig according to claim 2, characterized in that: a first middle tong arm is fixed between the two left tong arms, a first tooth holder used for mounting or replacing bucket teeth is detachably fixed on the bottom surface of the first middle tong arm, a second middle tong arm is fixed between the two right tong arms, and a second tooth holder used for mounting or replacing bucket teeth is detachably fixed on the bottom surface of the second middle tong arm.

4. The steel slag jig according to claim 2, characterized in that: and a layer of heat insulation plate is arranged between the first tooth holder and the bucket tooth and between the second tooth holder and the bucket tooth.

5. The steel slag jig according to claim 2, characterized in that: the left clamp arm group is hinged with two side surfaces of the clamp seat through the two left clamp arms respectively, and the right clamp arm group is hinged with two side surfaces of the clamp seat through the two right clamp arms respectively.

6. The steel slag jig according to claim 2, characterized in that: a first hinge shaft is fixedly arranged at the top end of each left tong arm in a penetrating mode, a second hinge shaft is fixedly arranged at the top end of each right tong arm in a penetrating mode, and two ends of each suspension rod are hinged to the first hinge shaft and the second hinge shaft respectively.

7. The steel slag jig according to claim 1, characterized in that: the bottom surface of the clamp seat is provided with a layer of heat insulation plate, and the heat insulation plate is provided with a plurality of downward convex blocks.

8. The steel slag jig according to claim 1, characterized in that: the hydraulic system further comprises a pressure sensor located on the control clamping oil path.