CN211495910U - Improved structure of steel supporting rod - Google Patents
Improved structure of steel supporting rod Download PDFInfo
- Publication number
- CN211495910U CN211495910U CN202020003439.0U CN202020003439U CN211495910U CN 211495910 U CN211495910 U CN 211495910U CN 202020003439 U CN202020003439 U CN 202020003439U CN 211495910 U CN211495910 U CN 211495910U
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- plate
- supporting rod
- lining plate
- steel supporting
- connecting hole
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Abstract
The utility model belongs to the technical field of auxiliary equipment of a steel supporting machine for billets, in particular to an improved structure of a steel supporting rod; comprises a steel supporting rod and a lining plate group which is detachably arranged on the upper surface of the steel supporting rod; the steel supporting rod comprises a top plate used for bearing a lining plate group, the lining plate group comprises a plurality of lining plate units, each lining plate unit is detachably connected to the upper surface of the top plate, and an inter-plate expansion gap is reserved between every two adjacent lining plate units; the lining plate unit is connected to the top plate through a plurality of connecting components; the connecting component comprises a connecting bolt, and the lining plate unit and the top plate are connected together through the connecting bolt; an upper connecting hole is formed in the lining plate unit, a lower connecting hole vertically aligned with the upper connecting hole is formed in the top plate, an expansion gap is reserved between the connecting bolt and the hole wall of the upper connecting hole, and an expansion gap is reserved between the connecting bolt and the hole wall of the lower connecting hole. The utility model discloses can solve current support steel pole assembly structure and be not suitable for high temperature environment's problem.
Description
Technical Field
The utility model belongs to the technical field of steel billet holds in the palm steel quick-witted auxiliary equipment, especially, relate to an improve structure that holds in palm steel pole.
Background
The billet steel supporting machine is an important member in steel mill equipment, is widely applied beside a heating furnace, and supports the heated billet steel at a furnace discharging position in front of the furnace on a furnace discharging roller way. The structure of the device is mainly formed by assembling a transmission power device, a transmission device, a lifting device and a steel supporting rod device. The transmission power device of the robot consists of a motor and a speed reducer, the transmission device is formed by assembling a gear shaft and a transmission shaft, four transmission devices are connected on the same straight line by a coupler, and further the synchronization requirement of four steel supporting rods is met, and the lifting action of the robot is realized by a hydraulic cylinder. The working principle of the billet steel supporting machine is as follows: the motor drives the gear and the rack to move the steel supporting rod to enter the heating furnace through the speed reducer, then the hydraulic cylinder pushes the steel supporting rod to rise, the steel supporting rod supports the blank in the heating furnace, then the blank is moved out of the heating furnace, the hydraulic cylinder pulls the steel supporting rod to fall down, and the heated steel billet is placed on a furnace outlet roller way.
By analyzing the function and structure of the steel billet supporting machine, it is not difficult to find that a part of the equipment enters a heating furnace, the heating furnace of a steel mill is used for heating the steel billet, the temperature of the steel billet coming out of the heating furnace is basically about 1000 ℃, and the temperature in the furnace is far higher than the temperature, so that the heat resistance of the part structure entering the furnace, the wear resistance of the part structure and the reasonability of the assembly structure are considered.
Among the prior art, the welt formula structure as an organic whole, welt and support steel pole are direct through the bolt fastening with, but because the stove is high temperature environment, so must consider the expend with heat and contract with cold of object, and the assembly form that adopts above is our most common basic form, it is only suitable for the normal atmospheric temperature, and also be the most basic assembly between bolt and the pilot hole, do not leave the space for expend with heat, the most direct consequence is exactly like this, the welt is bloated, the inflation, the direct outward bolt fracture that moves of hole site, and this dangerous process, take place suddenly sometimes, so be a very dangerous potential safety hazard, and damage later shut down, the maintenance all needs the cost, this is the problem of waiting to solve urgently.
Disclosure of Invention
In view of this, the utility model aims at providing a support steel pole's improvement structure to solve current support steel pole assembly structure and be not suitable for the problem of high temperature environment.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
an improved structure of a steel supporting rod comprises the steel supporting rod and a lining plate group which is detachably arranged on the upper surface of the steel supporting rod; the steel supporting rod comprises a top plate used for bearing a lining plate group, the lining plate group comprises a plurality of lining plate units, each lining plate unit is detachably connected to the upper surface of the top plate, and an inter-plate expansion gap is reserved between every two adjacent lining plate units; the lining plate unit is connected to the top plate through a plurality of connecting components;
the connecting component comprises a connecting bolt, and the lining plate unit and the top plate are connected together through the connecting bolt; an upper connecting hole is formed in the lining plate unit, a lower connecting hole vertically aligned with the upper connecting hole is formed in the top plate, the connecting bolt vertically penetrates through the upper connecting hole and the lower connecting hole, an expansion gap is reserved between the connecting bolt and the hole wall of the upper connecting hole, and an expansion gap is reserved between the connecting bolt and the hole wall of the lower connecting hole.
Furthermore, the upper connecting hole is a counter bore, the upper part of the upper connecting hole is a counter sink, and the bottom surface of the counter sink is a step surface; the nut further comprises an upper nut and a lower nut; the connecting bolt is a stud bolt, an upper nut is screwed on the upper threaded section of the stud bolt, and a lower nut is screwed on the lower threaded section of the stud bolt; and the upper nut is positioned in the countersunk groove.
Furthermore, the device also comprises an upper pressure plate, a lower pressure plate, a spring and an abutting plate which penetrate through the connecting bolt; the upper pressing plate is extruded between the upper nut and the step surface, the lower pressing plate is extruded on the lower surface of the top plate, the spring is extruded between the lower pressing plate and the abutting plate, and the lower nut is tightly pressed on the lower surface of the abutting plate.
Furthermore, the top surface of the top plate is provided with a positioning groove, and the lining plate units are all positioned in the positioning groove.
Furthermore, the steel supporting rod further comprises a vertical plate which is fixedly connected below the top plate in a supporting mode.
Furthermore, the side face of the vertical plate is also provided with a plurality of reinforcing rib plates for reinforcing the connection strength.
Further, the material of the lining plate unit is Cr23Ni18 austenitic heat-resistant steel.
Compared with the prior art, the utility model discloses following advantage has:
the utility model discloses the perfect problem of having solved current support steel pole assembly structure and being not suitable for high temperature environment. Through the split type structure of the lining plates, an expansion gap between every two adjacent lining plate units is reserved, and an expansion gap is reserved between the connecting bolt and the hole walls of the upper connecting hole and the lower connecting hole, so that a sufficient expansion space is reserved for the expansion of the horizontal direction. Through setting up the spring, left sufficient inflation space for the inflation of vertical direction, still guaranteed connection structure's stability when guaranteeing the inflation space.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is an enlarged schematic view of a portion a of fig. 1.
Description of reference numerals:
1-supporting a steel rod; 11-a vertical plate; 12-a top plate; 121-positioning grooves; 122-lower connection hole; 13-a reinforcing rib plate; 2-a lining plate unit; 21-upper connecting hole; 22-interplate expansion gap; 211-step surface; 212-countersunk grooves; 3-connecting the components; 31-connecting bolts; 32-an upper platen; 33-a lower press plate; 34-upper nut; 35-lower nut; 36-a spring; 37-abutment plate.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for 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 therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. 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," "second," etc. 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 otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1-3, an improved structure of a steel supporting rod comprises a steel supporting rod 1 and a lining plate group which is detachably arranged on the upper surface of the steel supporting rod 1; the steel supporting rod 1 comprises a top plate 12 used for bearing a lining plate group, the lining plate group comprises a plurality of lining plate units 2, each lining plate unit 2 is detachably connected to the upper surface of the top plate 12, and an inter-plate expansion gap 22 is reserved between every two adjacent lining plate units 2.
The lining plate unit 2 is connected to the top plate 12 through a plurality of connecting components 3; the connecting component 3 comprises a connecting bolt 31, and the lining plate unit 2 and the top plate 12 are connected together through the connecting bolt 31; the lining plate unit 2 is provided with an upper connecting hole 21, the top plate 12 is provided with a lower connecting hole 122 vertically aligned with the upper connecting hole 21, the connecting bolt 31 vertically penetrates through the upper connecting hole 21 and the lower connecting hole 122, an expansion gap is reserved between the connecting bolt 31 and the hole wall of the upper connecting hole 21, and an expansion gap is reserved between the connecting bolt 31 and the hole wall of the lower connecting hole 122.
Compare with original welt integral type structure, the utility model discloses a split type structure leaves interplate expansion gap 22 between two adjacent welt units 2 to satisfy its deflection, moreover, leave expansion gap between connecting bolt 31 and last connecting hole 21 and the pore wall of lower connecting hole 122, also had the thermal expansion deformation space in connecting bolt 31's junction like this, these two structural design have left sufficient expansion space for the inflation of horizontal direction.
Preferably, the upper connecting hole 21 is a counter bore, the upper portion of which is a counter bore 212, and the bottom surface of the counter bore 212 is a step surface 211; also includes an upper nut 34 and a lower nut 35; the connecting bolt 31 is a stud bolt, an upper nut 34 is screwed on the upper threaded section of the stud bolt, and a lower nut 35 is screwed on the lower threaded section of the stud bolt; and the upper nut 34 is located within the countersunk recess 212. After the upper connecting hole 21 adopts a counter bore, the upper ends of the upper nut 34 and the stud bolt are both positioned in the counter bore groove 212 and are not higher than the upper surface of the lining plate unit 2, so that the supporting of the steel billet is not influenced, and the steel billet can be stably supported on the upper surface of the lining plate unit 2.
Preferably, the connecting device further comprises an upper pressure plate 32, a lower pressure plate 33, a spring 36 and an abutting plate 37 which penetrate through the connecting bolt 31; the upper platen 32 is pressed between the upper nut 34 and the step surface 211, the lower platen 33 is pressed against the lower surface of the top plate 12, the spring 36 is pressed between the lower platen 33 and the abutment plate 37, and the lower nut 35 is pressed against the lower surface of the abutment plate 37.
The upper pressing plate 32 and the lower pressing plate 33 are used for transmitting pressing force from the upper side and the lower side to press the lining plate unit 2 and the top plate 12 tightly respectively, due to the fact that the spring 36 is arranged, after the upper nut 34 and the lower nut 35 are screwed, the lining plate unit 2 and the top plate 12 are connected in a compression mode in the vertical direction in an elastic mode, when the steel supporting rod 1 or the lining plate unit 2 deforms in an expansion mode, the distance between the upper pressing plate 32 and the lower pressing plate 33 changes, the spring 36 is compressed, elastic space is reserved for deformation, meanwhile, the lining plate unit 2 and the top plate 12 can be guaranteed to be connected in a compression mode all the time in the vertical direction, and therefore the stability of a connecting structure is guaranteed while the expansion space (enough expansion space is reserved for expansion in the vertical direction) is guaranteed through the.
Preferably, the top plate 12 has a positioning groove 121 on the upper surface, and the liner plate units 2 are all located in the positioning groove 121. The positioning groove 121 plays a role in primarily positioning the lining plate unit 2, and facilitates installation of the lining plate unit 2.
Preferably, the steel supporting rod 1 further comprises a vertical plate 11, and the vertical plate 11 is fixedly supported under the top plate 12.
Preferably, a plurality of reinforcing ribs 13 are further arranged on the side surface of the vertical plate 11 to reinforce the connection strength.
Preferably, the material of the lining plate unit 2 is Cr23Ni18 austenitic heat-resistant steel. Because of the high temperature in the furnace, the material needs to resist heat, Cr23Ni18 austenitic heat-resistant steel is selected, the steel has high heat strength and excellent oxidation resistance under the high temperature, the oxidation resistance temperature can reach 850-.
It is thus clear that the utility model discloses the perfect 1 assembly structure that has solved current support steel pole is not suitable for high temperature environment's problem. By the split type structure of the lining plate, an inter-plate expansion gap 22 is reserved between two adjacent lining plate units 2, and an expansion gap is reserved between the connecting bolt 31 and the hole walls of the upper connecting hole 21 and the lower connecting hole 122, so that a sufficient expansion space is reserved for the expansion in the horizontal direction. By providing the spring 36, a sufficient expansion space is left for the expansion in the vertical direction, and the stability of the connection structure is ensured while the expansion space is ensured.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides an improve structure of support steel pole which characterized in that: comprises a steel supporting rod (1) and a lining plate group which is detachably arranged on the upper surface of the steel supporting rod (1);
the steel supporting rod (1) comprises a top plate (12) used for bearing a lining plate group, the lining plate group comprises a plurality of lining plate units (2), each lining plate unit (2) is detachably connected to the upper surface of the top plate (12), and an inter-plate expansion gap (22) is reserved between every two adjacent lining plate units (2);
the lining plate unit is characterized by further comprising connecting components (3), wherein each lining plate unit (2) is connected to the top plate (12) through a plurality of connecting components (3);
the connecting component (3) comprises a connecting bolt (31), and the lining plate unit (2) and the top plate (12) are connected together through the connecting bolt (31); an upper connecting hole (21) is formed in the lining plate unit (2), a lower connecting hole (122) vertically aligned with the upper connecting hole (21) is formed in the top plate (12), a connecting bolt (31) vertically penetrates through the upper connecting hole (21) and the lower connecting hole (122), an expansion gap is reserved between the connecting bolt (31) and the hole wall of the upper connecting hole (21), and an expansion gap is reserved between the connecting bolt (31) and the hole wall of the lower connecting hole (122).
2. The improved structure of the steel supporting rod according to claim 1, characterized in that: the upper connecting hole (21) adopts a counter bore, the upper part of the upper connecting hole is provided with a counter sink groove (212), and the bottom surface of the counter sink groove (212) is provided with a step surface (211);
also comprises an upper nut (34) and a lower nut (35); the connecting bolt (31) adopts a stud bolt, an upper nut (34) is screwed on the upper threaded section of the stud bolt, and a lower nut (35) is screwed on the lower threaded section of the stud bolt; and the upper nut (34) is located within the countersunk groove (212).
3. The improved structure of the steel supporting rod as claimed in claim 2, wherein: the connecting assembly (3) further comprises an upper pressing plate (32), a lower pressing plate (33), a spring (36) and an abutting plate (37) which penetrate through the connecting bolt (31); the upper pressing plate (32) is pressed between the upper nut (34) and the step surface (211), the lower pressing plate (33) is pressed on the lower surface of the top plate (12), the spring (36) is pressed between the lower pressing plate (33) and the abutting plate (37), and the lower nut (35) is pressed on the lower surface of the abutting plate (37).
4. The improved structure of the steel supporting rod according to claim 1, characterized in that: the upper surface of the top plate (12) is provided with a positioning groove (121), and the lining plate units (2) are all positioned in the positioning groove (121).
5. The improved structure of the steel supporting rod according to claim 1, characterized in that: the steel supporting rod (1) further comprises a vertical plate (11), and the vertical plate (11) is supported and fixedly connected below the top plate (12).
6. The improved structure of the steel supporting rod as claimed in claim 5, wherein: the side surface of the vertical plate (11) is also provided with a plurality of reinforcing rib plates (13).
7. The improved structure of the steel supporting rod according to claim 1, characterized in that: the material of the lining plate unit (2) is Cr23Ni18 austenitic heat-resistant steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020003439.0U CN211495910U (en) | 2020-01-02 | 2020-01-02 | Improved structure of steel supporting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020003439.0U CN211495910U (en) | 2020-01-02 | 2020-01-02 | Improved structure of steel supporting rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211495910U true CN211495910U (en) | 2020-09-15 |
Family
ID=72397417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020003439.0U Expired - Fee Related CN211495910U (en) | 2020-01-02 | 2020-01-02 | Improved structure of steel supporting rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211495910U (en) |
-
2020
- 2020-01-02 CN CN202020003439.0U patent/CN211495910U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201231 Address after: 300409 No. 65, Gaoxin Avenue, outer ring Development Zone, science and Technology Park, Beichen District, Tianjin Patentee after: TIANJIN ZHONGZHONG SCIENCE TECHNOLOGY & ENGINEERING Co.,Ltd. Address before: No.16, Jingxiang Road, South District, Science Park, Beichen District, Tianjin, 300409 Patentee before: TIANJIN TIANZHONG ZHONGZHI TECHNOLOGICAL ENGINEERING Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200915 Termination date: 20220102 |