CN216369614U - Hydraulic press for leveling top frame of trench - Google Patents
Hydraulic press for leveling top frame of trench Download PDFInfo
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- CN216369614U CN216369614U CN202122888869.2U CN202122888869U CN216369614U CN 216369614 U CN216369614 U CN 216369614U CN 202122888869 U CN202122888869 U CN 202122888869U CN 216369614 U CN216369614 U CN 216369614U
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- trench
- convex rib
- support plate
- roof rack
- leveling
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Abstract
The utility model discloses a hydraulic press for leveling a roof rack of a trench, which comprises a press rack, wherein the press rack is provided with a workbench and a hydraulic cylinder, the hydraulic cylinder is positioned above the workbench, the hydraulic cylinder is provided with a piston rod, the lower end of the piston rod is fixedly provided with a pressing block, the bottom surface of the pressing block is provided with two groups of convex rib units, and each group of convex rib units comprises more than one convex rib. According to the hydraulic press for leveling the roof rack of the trench, the two groups of convex rib units are arranged on the bottom surface of the press block, the welding positions of the first support plate and the second support plate with the transverse plate are stressed heavily, the structure at the welding position of the transverse plate is deformed and changed, so that the internal acting force at the welding position of the transverse plate is changed thoroughly, the leveled roof rack of the trench cannot be tilted due to the internal acting force at the welding position of the transverse plate before leveling, the leveled roof rack of the trench is better in flatness, and the leveling effect is better.
Description
Technical Field
The utility model relates to the field of leveling equipment, in particular to a hydraulic press for leveling a roof rack of a trench.
Background
The trench roof structure is provided with a Pi-shaped frame, and the Pi-shaped frame is formed by welding and processing a transverse plate and two plates below the transverse plate. After the pi-shaped frame is machined, due to the fact that welding positions expand with heat and contract with cold, the welding position structures of the transverse plate and the support plate deform, two ends of the transverse plate of the pi-shaped frame always tilt upwards, the two support plates always expand outwards to form a shape like a Chinese character 'ba', and the structural flatness of the pi-shaped frame is poor. To obtain a regular pi frame, a leveling operation is often required after the welding of the pi frame is completed. The frame is leveled by a hydraulic press usually, the existing hydraulic press for leveling the frame generally comprises a workbench and a hydraulic cylinder positioned above the workbench, a piston rod of the hydraulic cylinder is vertically downward, a press block is arranged at the free end of the piston rod, the bottom surface of the press block is a plane, when the hydraulic press works, the Pi-shaped frame is arranged on the workbench, and the piston rod of the hydraulic cylinder moves downward to enable the press block to press a transverse plate of the frame downward so as to level the Pi-shaped frame. This kind of a hydraulic press for trench roof frame is leveled, when the bottom surface is the diaphragm of planar briquetting pushing down the frame, the atress of each department is more balanced relatively on the diaphragm, and because the reason that the diaphragm both ends upwarp, the atress at diaphragm both ends can be bigger than the atress of diaphragm and extension board welded position department even, under this kind of leveling mode, frame after the leveling is because of inner structure, the internal action is not changed completely, usually can resume slight perk after the leveling operation, this kind of hydraulic press for trench roof frame is leveled promptly now, can't accomplish high accuracy leveling, frame after the leveling can't obtain leveling completely.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a hydraulic press for leveling a roof rack of a trench.
The technical scheme for realizing the purpose of the utility model is as follows: a hydraulic press for leveling a trench top frame comprises a press frame, wherein a workbench and a hydraulic cylinder are arranged on the press frame, the workbench comprises a first sub-platform, a second sub-platform and a third sub-platform which are sequentially arranged at intervals, table surfaces of the first sub-platform, the second sub-platform and the third sub-platform are located at the same height, the trench top frame comprises a transverse plate, a first supporting plate and a second supporting plate which are welded on the bottom surface of the transverse plate, a first supporting plate accommodating space is formed between the first sub-platform and the second sub-platform, a second supporting plate accommodating space is formed between the second sub-platform and the third sub-platform, the hydraulic cylinder is located above the workbench, the hydraulic cylinder is provided with a piston rod, the piston rod is vertically downward, a pressing block is fixedly mounted at the lower end of the piston rod, and two groups of convex rib units are arranged on the bottom surface of the pressing block, each group of the convex rib units comprises more than one convex rib, and the two groups of the convex rib units are respectively positioned right above the first support plate accommodating space and the second support plate accommodating space.
Furthermore, each of the ribs in each set of rib units is perpendicular to the arrangement direction of the first sub-platform, the second sub-platform and the third sub-platform. When the first support plate or the second support plate is welded with the transverse plate, two welding lines are usually formed by welding along two side corners of the first support plate or the second support plate; after the trench roof rack to be corrected is placed on the workbench, a first support plate and a second support plate of the trench roof rack are respectively positioned in a first support plate placing space and a second support plate placing space, and the welding line of the first support plate, the second support plate and the transverse plate is usually vertical to the arrangement direction of the first branch table, the second branch table and the third branch table at the moment. After the top rack of the trench is leveled, the flatness can be higher.
Furthermore, the two ends of each convex rib in each group of convex rib units are communicated with the pressing block. This setting has guaranteed that the briquetting pushes down to rectify when the trench roof frame, the weld line of the diaphragm of trench roof frame can be pressed by in its length direction the protruding muscle in the protruding muscle unit completely.
Furthermore, each convex rib in each group of convex rib units is clamped on the pressing block. The convex rib can be directly and integrally formed with the pressing block or welded with the pressing block, and can also be fixedly installed through the clamping, compared with the former two, the clamping of the latter is more flexible, and the convex rib can be detached and replaced when deformed and damaged.
Furthermore, each of the ribs in each set of rib units includes a T-shaped portion and a protruding portion extending downward from the bottom surface of the T-shaped portion, a T-shaped groove is formed in the bottom surface of the pressing block, the shape of the T-shaped groove is consistent with the shape of the T-shaped portion, the T-shaped portion of each rib is clamped in the T-shaped groove of the pressing block, and the protruding portion of each rib protrudes out of the bottom surface of the pressing block. The T-shaped groove and the T-shaped part are easy to machine, the assembly of the T-shaped groove and the T-shaped part is common in a clamping structure, and during assembly, the convex rib is arranged in the T-shaped groove from the end part.
Further, the number of the ribs in each group of rib units is two. When the first support plate or the second support plate is welded with the transverse plate, two welding lines are formed by welding along two side corners of the first support plate or the second support plate, two convex ribs in each group of convex rib units can respectively apply pressure to the two welding lines welded with the first support plate or the second support plate and the transverse plate, so that the welding position structure is changed, the leveling effect is better, and the restoring condition cannot occur.
Furthermore, a conveying table is mounted on the front wall of the second branch table, the width of the conveying table is smaller than the distance between the first support plate and the second support plate, a plurality of balls are mounted on the upper surface of the conveying table, and the tops of the balls are not lower than the upper surface of the second branch table. By the arrangement, when the to-be-leveled trench roof rack is placed on the workbench, the to-be-leveled trench roof rack can be conveyed onto the conveying table at first and then pushed onto the workbench along the conveying table, so that the to-be-leveled trench roof rack can be placed more conveniently and more conveniently in a labor-saving manner. The width of the conveying table is smaller than the distance between the first support plate and the second support plate, so that the top rack of the trench to be leveled can be supported on the conveying table.
According to the hydraulic press for leveling the roof rack of the trench, two groups of convex rib units are arranged on the bottom surface of the press block, so that when the press block is pressed downwards to level the roof rack to be leveled, the two groups of convex rib units respectively positioned right above the first support plate accommodating space and the second support plate accommodating space protrude out of the bottom surface of the press block, the descending stroke is lower, the welding positions of the first support plate, the second support plate and the transverse plate are stressed, the structure at the welding position of the transverse plate is deformed and changed, even indentations and dents occur, so that the internal acting force at the welding position of the transverse plate is thoroughly changed, the leveled roof rack cannot recover the end part from tilting due to the internal acting force at the welding position of the transverse plate before leveling, the leveled roof rack of the trench is better in flatness, and the leveling effect is better.
Drawings
FIG. 1 is a schematic perspective view of a hydraulic press for roof rack leveling of a trench according to the present invention;
FIG. 2 is a schematic front view of a hydraulic press for roof rack leveling of a trench according to the present invention;
FIG. 3 is a schematic diagram of a right side view of the hydraulic press for roof rack leveling of a trench in accordance with the present invention;
FIG. 4 is a schematic diagram of the construction of a press block of the hydraulic press for roof rack leveling of a trench in accordance with the present invention;
FIG. 5 is an enlarged schematic view of a portion A of FIG. 2;
FIG. 6 is a schematic structural view of a trench roof rack;
FIG. 7 is a schematic perspective view of the hydraulic press for leveling a roof frame of a trench according to the present invention;
fig. 8 is a schematic front view of the hydraulic press for leveling the roof frame of the trench according to the present invention.
Detailed Description
The preferred embodiments of the hydraulic press for roof frame leveling of a trench according to the present invention will be described in detail with reference to the accompanying drawings:
as shown in fig. 1 to 6, a hydraulic press for leveling a roof frame of a trench includes a press frame 10, a table 1 and a hydraulic cylinder 2 are provided on the press frame 10, the table 1 includes a first branch 11, a second branch 12 and a third branch 13 arranged at intervals in sequence, the table surfaces of the first branch 11, the second branch 12 and the third branch 13 are located at the same height, the roof frame 100 includes a transverse plate 101 and a first support plate 102 and a second support plate 103 welded to the bottom surface of the transverse plate 101, a first support plate accommodating space 14 is formed between the first branch 11 and the second branch 12, a second support plate accommodating space 15 is formed between the second branch 12 and the third branch 13, the hydraulic cylinder 2 is located above the table 1, the hydraulic cylinder 2 has a piston rod 21, and the piston rod 21 is directed downward, the lower end of the piston rod 21 is fixedly provided with a pressing block 22, the bottom surface of the pressing block 22 is provided with two groups of convex rib units 23, each group of convex rib units 23 comprises more than one convex rib 230, and the two groups of convex rib units 23 are respectively positioned right above the first support plate accommodating space 14 and the second support plate accommodating space 15.
According to the hydraulic press for leveling the roof rack of the trench, the widths of the first support plate accommodating space 14, the second support plate accommodating space 15 and the second branch table 12 are limited by the fact that after the roof rack 100 of the trench to be leveled is placed on the workbench 1, the first support plate 102 and the second support plate 103 of the roof rack 100 of the trench to be leveled can be respectively positioned in the first support plate accommodating space 14 and the second support plate accommodating space 15.
When the hydraulic press for leveling the roof rack of the trench of the utility model is in operation, as shown in fig. 7 and 8, the roof rack 100 of the trench to be leveled is placed on the workbench 1, specifically, the transverse plate 101 of the roof rack 100 of the trench to be leveled is placed on the first branch table 11, the second branch table 12 and the third branch table 13, the first support plate 102 of the roof rack 100 of the trench to be leveled is located in the first support plate accommodating space 14, and the second support plate 103 of the roof rack 100 of the trench to be leveled is located in the second support plate accommodating space 15. After the to-be-leveled roof rack 100 is placed on the workbench 1, the hydraulic cylinder 2 acts to drive the pressing block 22 to press downwards, and the to-be-leveled roof rack 100 on the workbench 1 is leveled.
The hydraulic press for leveling the roof rack of the trench is characterized in that two groups of convex rib units 23 are arranged on the bottom surface of the press block 22, so that when the press block 22 presses down the roof rack 100 to be leveled, the two groups of convex rib units 23 respectively positioned above the first support plate accommodating space 14 and the second support plate accommodating space 15 protrude out of the bottom surface of the press block 22, the downward stroke is lower, the welding positions of the first support plate 102 and the second support plate 103 and the transverse plate 101 are stressed heavily, the structure at the welding position of the transverse plate 101 is deformed and changed, even indentations and dents occur, so that the internal acting force at the welding position of the transverse plate 101 is completely changed, the leveled roof rack 100 does not recover from the internal acting force at the welding position of the transverse plate 101 before leveling, and the leveled roof rack 100 has better flatness, the leveling effect is better.
In the hydraulic press for leveling a roof rack of a trench according to the present invention, it is preferable that each of the ribs 230 in each set of the rib units 23 is perpendicular to the arrangement direction of the first, second, and third bays 11, 12, and 13. When the first support plate 102 or the second support plate 103 is welded with the transverse plate 101, two welding lines are usually formed by welding along two corners of the first support plate 102 or the second support plate 103; when the hydraulic press for leveling the roof rack of the trench is in operation, after the roof rack 100 of the trench to be corrected is placed on the workbench 1, the first support plate 102 and the second support plate 103 of the roof rack 100 of the trench are respectively positioned in the first support plate accommodating space 14 and the second support plate accommodating space 15, and the welding line of the first support plate 102, the second support plate 103 and the transverse plate 101 is usually perpendicular to the arrangement direction of the first branch table 11, the second branch table 12 and the third branch table 13 at this time, through the above arrangement, each convex rib 230 in each group of convex rib units 23 is parallel to the welding line of the first support plate 102, the second support plate 103 and the transverse plate 101, and when the press block 22 presses down to level the roof rack 100 of the trench, the convex ribs 230 in each group of convex rib units 23 can be completely pressed on the welding line of the transverse plate 101 in parallel, the force application point of the convex rib 230 completely acts on the welding line of the transverse plate 101, so that the structure and the internal acting force of the welding position on the transverse plate 101 are changed in the leveling process, and the flatness can be higher after the trench roof rack 100 is leveled.
In the hydraulic press for leveling the roof rack of the trench, preferably, both ends of each rib 230 in each set of the rib units 23 are all penetrated through the pressing block 22. This arrangement ensures that the welding line of the transverse plate 101 of the trench roof frame 100 can be completely pressed by the rib 230 in the rib unit 23 along the length direction thereof when the pressing block 22 is pressed down to level the trench roof frame 100.
In the hydraulic press for leveling the roof rack of the trench, each rib 230 of each set of rib units 23 is preferably fastened to the press block 22. The rib 230 can be directly integrated with the pressing block 22, or welded with the pressing block 22, or fixed by the above-mentioned clamping, compared with the former two, the latter clamping is relatively more flexible, and the rib can be detached and replaced when deformed and damaged.
In the hydraulic press for leveling the roof frame of the trench, preferably, each of the ribs 230 in each set of the rib units 23 includes a T-shaped portion 231 and a protruding portion 232 extending downward from the bottom surface of the T-shaped portion 231, a T-shaped groove 221 is formed in the bottom surface of the press block 22, the shape of the T-shaped groove 221 is consistent with the shape of the T-shaped portion 231, the T-shaped portion 231 of the rib 230 is clamped in the T-shaped groove 221 of the press block 22, and the protruding portion 232 of the rib 230 protrudes out of the bottom surface of the press block 22. The T-shaped groove 221 and the T-shaped portion 231 are easy to manufacture, and are usually assembled in a clamping structure, and the rib 230 is only required to be installed into the T-shaped groove 221 from the end portion during assembly.
In the hydraulic press for leveling a roof rack of a trench according to the present invention, preferably, the number of the ribs 230 in each set of rib units 23 is two. When the first support plate 102 or the second support plate 103 is welded with the transverse plate 101, two welding lines are usually formed by welding along two corners of the first support plate 102 or the second support plate 103, and two ribs 230 in each group of rib units 23 can respectively apply pressure to the two welding lines welded between the first support plate 102 or the second support plate 103 and the transverse plate 101, so that the welding position structure can be changed, the leveling effect is better, and the restoring condition cannot occur.
In the hydraulic press for leveling a roof rack of a trench according to the present invention, preferably, a conveying table 121 is installed on a front wall of the second branch table 12, a width of the conveying table 121 is smaller than a distance between the first support plate 102 and the second support plate 103, a plurality of balls 122 are installed on an upper surface of the conveying table 121, and tops of the balls 122 are not lower than an upper surface of the second branch table 12. By the arrangement, when the to-be-leveled trench roof rack 100 is placed on the workbench 1, the to-be-leveled trench roof rack 100 can be conveyed onto the conveying table 121, and then the to-be-leveled trench roof rack 100 is pushed onto the workbench 1 along the conveying table 121, so that the to-be-leveled trench roof rack 100 can be placed more conveniently and more conveniently in a labor-saving manner. The width of the conveying table 121 is smaller than the distance between the first supporting plate 102 and the second supporting plate 103, so that the roof rack 100 to be leveled can be supported on the conveying table 121.
For those skilled in the art to which the utility model pertains, several simple deductions or substitutions can be made without departing from the spirit of the utility model, and all should be considered as belonging to the protection scope of the utility model.
Claims (7)
1. The utility model provides a hydraulic press for trench roof frame is leveled, includes the press frame, be equipped with workstation and pneumatic cylinder in the press frame, its characterized in that: the working table comprises a first sub-table, a second sub-table and a third sub-table which are sequentially arranged at intervals, the table tops of the first, second and third substations are positioned at the same height, the trench top frame comprises a transverse plate, a first support plate and a second support plate welded on the bottom surface of the transverse plate, a first support plate accommodating space is formed between the first branch table and the second branch table, a second support plate accommodating space is formed between the second branch table and the third branch table, the hydraulic cylinder is positioned above the workbench and is provided with a piston rod which is vertically downward, the lower end of the piston rod is fixedly provided with a pressing block, the bottom surface of the pressing block is provided with two groups of convex rib units, each group of convex rib units comprises more than one convex rib, and the two groups of convex rib units are respectively positioned right above the first support plate accommodating space and the second support plate accommodating space.
2. The hydraulic press for roof rack leveling of a trench as set forth in claim 1 wherein: and each convex rib in each group of convex rib units is vertical to the arrangement direction of the first sub-platform, the second sub-platform and the third sub-platform.
3. The hydraulic press for roof rack leveling of a trench as set forth in claim 1 wherein: and the two ends of each convex rib in each group of convex rib units are communicated with the pressing block.
4. The hydraulic press for roof rack leveling of a trench as set forth in claim 1 wherein: each convex rib in each group of convex rib units is clamped on the pressing block.
5. The hydraulic press for roof rack leveling of a trench as set forth in claim 4 wherein: each convex rib in each group of convex rib units comprises a T-shaped part and a convex part extending downwards from the bottom surface of the T-shaped part, a T-shaped groove is formed in the bottom surface of the pressing block, the shape of the T-shaped groove is consistent with that of the T-shaped part, the T-shaped part of each convex rib is clamped in the T-shaped groove on the pressing block, and the convex part of each convex rib protrudes out of the bottom surface of the pressing block.
6. The hydraulic press for roof rack leveling of a trench as set forth in claim 1 wherein: the number of the convex ribs in each group of convex rib units is two.
7. The hydraulic press for roof rack leveling of a trench as set forth in claim 1 wherein: the front wall of the second sub-table is provided with a conveying table, the width of the conveying table is smaller than the distance between the first support plate and the second support plate, the upper surface of the conveying table is provided with a plurality of balls, and the tops of the balls are not lower than the upper surface of the second sub-table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122888869.2U CN216369614U (en) | 2021-11-24 | 2021-11-24 | Hydraulic press for leveling top frame of trench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122888869.2U CN216369614U (en) | 2021-11-24 | 2021-11-24 | Hydraulic press for leveling top frame of trench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216369614U true CN216369614U (en) | 2022-04-26 |
Family
ID=81218072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122888869.2U Active CN216369614U (en) | 2021-11-24 | 2021-11-24 | Hydraulic press for leveling top frame of trench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216369614U (en) |
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2021
- 2021-11-24 CN CN202122888869.2U patent/CN216369614U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 350000 workshop of building 3, No. 150, Xingye East Road, Mawei District, Fuzhou City, Fujian Province (in the pilot Free Trade Zone) Patentee after: Fuzhou Snite Hydraulic Co.,Ltd. Address before: 350000 workshop of building 3, No. 150, Xingye East Road, Mawei District, Fuzhou City, Fujian Province (in the pilot Free Trade Zone) Patentee before: FUZHOU SNIT MECHANICAL EQUIPMENT Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |