CN113829295A - Heavy H-shaped steel roller guide beam dismounting platform device and dismounting method thereof - Google Patents
Heavy H-shaped steel roller guide beam dismounting platform device and dismounting method thereof Download PDFInfo
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- CN113829295A CN113829295A CN202111268739.7A CN202111268739A CN113829295A CN 113829295 A CN113829295 A CN 113829295A CN 202111268739 A CN202111268739 A CN 202111268739A CN 113829295 A CN113829295 A CN 113829295A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 96
- 239000010959 steel Substances 0.000 title claims abstract description 96
- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 76
- 230000007306 turnover Effects 0.000 claims abstract description 23
- 210000000683 abdominal cavity Anatomy 0.000 claims abstract description 11
- 238000000926 separation method Methods 0.000 claims abstract description 8
- 238000003825 pressing Methods 0.000 claims description 42
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 210000001364 upper extremity Anatomy 0.000 abstract 1
- 230000008569 process Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/026—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same fluid driven
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Abstract
The invention discloses a heavy H-shaped steel roller guide beam dismounting platform device and a dismounting method thereof, belonging to the technical field of mechanical manufacturing. The invention comprises a roller guide fixing mechanism, a turnover supporting plate mechanism, an opening cushion block and a hydraulic jack; wherein: the roller guide fixing mechanism comprises two section steels which are in a parallel state and are provided with intervals, and 2 connecting baffles are fixedly connected to the two section steels in a manner of being perpendicular to the two section steels and respectively close to the two ends of the two section steels; connecting baffle upper portion baffle and lower part connecting plate, upper portion baffle protrusion in the upper limb plate surface of two shaped steel, the middle part of upper portion baffle is reserved and is led and defend crossbeam holding tank, and the abdominal cavity shape that forms between two shaped steel is agreed with to the lower part connecting plate, reserves H shaped steel pterygoid lamina holding tank between upper portion baffle and the lower part connecting plate. According to the invention, a gap is formed between the pressure plate and the guide cross beam through the opening cushion block, and then the pressure plate is continuously pressed through the hydraulic jack, so that the relative separation between the guide cross beam and the guide fixing frame is realized, and the purpose of disassembling the guide cross beam is achieved.
Description
Technical Field
The invention relates to the technical field of machine manufacturing, in particular to a heavy H-shaped steel roller guide beam dismounting platform device and a dismounting method thereof.
Background
As shown in fig. 1 and 2, the roller guide (10) is assembled in a cross shape of a guide cross beam (101) and a guide plate (104), after the assembly is completed, the guide cross beam (101) is pressed by a pressing plate (106), and then the pressing plate (106) and the guide cross beam (101) are fixed on a guide fixing frame (102) together by bolts. The roller guide (10) is generally used under the working conditions of high temperature and water spraying, and the roller guide cross beam (101) and the guide fixing frame (102), the guide plate (104), the guide eccentric shaft (103) and other parts can generate corrosion. Particularly, under the conditions of large rolling quantity and long online time, a large amount of oxidized iron filings are infiltrated in the rolling process of the H-shaped steel, and the parts of the guide cross beam (101), the guide fixing frame (102), the guide eccentric shaft (103) and the like are even rusted.
In the process of disassembling the guide beam (101) of the roller guide (10) between the heavy H-shaped steel rollers in the prior art, as mature techniques, equipment and experience are not used for reference, the roller guide (10) is placed on the ground in the process of disassembling the guide beam (101), and an original hammering method is adopted, so that the disassembling efficiency is low, the safety is poor, and the labor intensity of operators is high.
Disclosure of Invention
1. Technical problem to be solved
The invention provides a disassembling platform device for a roller guide and guard beam between heavy H-shaped steel rollers and a disassembling method thereof, aiming at the problems of low disassembling efficiency and poor safety in disassembling and repairing the roller guide and guard beam between the heavy H-shaped steel rollers in the prior art.
2. Technical scheme
The purpose of the invention is realized by the following technical scheme.
A heavy H-shaped steel roller guide crossbeam dismounting platform device comprises a roller guide fixing mechanism, an opening cushion block with a U-shaped section and a hydraulic jack; wherein: the roller guide fixing mechanism comprises two parallel section steels with intervals, namely an H-shaped steel I and an H-shaped steel II, and is respectively close to two ends of the two section steels and is fixedly connected with 2 connecting baffles perpendicular to the two section steels; the connecting baffle is of an upper structure and a lower structure and comprises an upper baffle and a lower connecting plate, the upper baffle protrudes out of the surface of an upper wing plate of the two section steels, a guide beam accommodating groove is reserved in the middle of the upper baffle, the lower connecting plate is matched with the abdominal cavity formed between the two section steels, and an H-shaped steel wing plate accommodating groove is reserved between the upper baffle and the lower connecting plate;
the guide beam of the roller guide is inserted into the guide beam accommodating groove, and the roller guide is fixed in the roller guide fixing mechanism through the guide beam; after the opening of the opening cushion block avoids the bolt between the pressure plate and the guide fixing frame, the opening cushion block is inserted between the pressure plate and the guide fixing frame, and a gap is formed between the pressure plate and the guide cross beam; the hydraulic jack is tightly propped against the pressing plate through the ejector rod of the hydraulic jack. When the guide cross beam is detached, because the pressing plate and the guide cross beam form a gap, the width of the opening cushion block is larger than the gap, when the hydraulic jack continuously applies pressure, the opening cushion block avoids the pressure behind the guide cross beam and directly applies the pressure on the guide fixing frame, and the guide cross beam is clamped in the guide cross beam accommodating groove and cannot move, so that the separation type displacement between the guide cross beam and the guide fixing frame is realized, and the technical effect of detaching the guide cross beam is achieved in a labor-saving, convenient and safe manner. Because the pressure plate is in a frame structure and 4 bolt holes are used for fixing through bolts, 4 opening cushion blocks are required to be respectively inserted on the bolts between the pressure plate and the guide fixing frame; and hydraulic jack also needs 2, tightly pushes up two sides at the clamp plate respectively, avoids the both sides pressure of clamp plate inhomogeneous. Of course, a connecting rod may be fixed in the middle of the pressing plate, and the hydraulic jack directly presses on the connecting rod, and at this time, 1 hydraulic jack may be used.
The technical scheme is that the turnover support plate mechanism comprises a jack base plate, a jack baffle plate vertically arranged on the upper surface of one end, perpendicular to the width direction of the jack base plate, 2 turnover plate hinges symmetrically arranged on the lower surface of the other end, perpendicular to the width direction of the jack base plate, of the other end and at two ends in the length direction; hinge holes are reserved on the hinges of the turnover plates.
According to a further technical scheme, two wing plate grooves are reserved on a left wing plate at the upper part of the H-shaped steel I, and the specifications of the wing plate grooves are matched with the arrangement of a jack base plate; turning support chain plates are respectively and vertically fixed on webs of the H-shaped steel I at 2 right angles of each wing plate groove, and rotating shaft holes are reserved on the turning support chain plates; the rotating shaft hole is matched with a hinge hole reserved on the turnover plate hinge; the rotating shaft hole, the hinge hole and the rotating shaft penetrating through the rotating shaft hole and the hinge hole form an overturning hinge mechanism of the overturning support plate mechanism; the specification cooperation jack bottom plate setting in pterygoid lamina groove will lead and defend the crossbeam and dismantle the back, and the abdominal cavity under the I pterygoid lamina of whole upset backup pad body accessible upset the hinge mechanism is overturn in H shaped steel can avoid the dismantlement of upset backup pad body influence other parts.
According to a further technical scheme, a supporting rib plate is connected between the outer side face of the upper baffle and wing plates of the two section steels; the strength and rigidity of the upper baffle are enhanced, and the deformation of the upper baffle in the hydraulic process is avoided; and a jack rib plate is fixedly connected between the jack baffle and the jack bottom plate, so that the strength of the jack baffle is enhanced, and a hydraulic jack positioning box can be formed.
Further technical scheme, the clearance department at two shaped steel middle parts still fixedly connected with vertical state to be the connection medium plate of "protruding" shape down in order to strengthen the intensity of fixed connection between two shaped steel, avoid hydraulic pressure in-process two break away from fixedly between the shaped steel.
According to a further technical scheme, the turnover support plate mechanism further comprises a positioning pin; the jack bottom plate and the H-shaped steel I are also provided with positioning holes in advance, the positioning holes are communicated with wing plate holes reserved on a right wing plate on the upper portion of the H-shaped steel I, the positioning pins penetrate through the positioning holes and the wing plate holes, in the working process of the jack, the shearing force borne by the positioning pins reduces the acting force of the jack on the support plate body and the overturning hinge mechanism, and the jack bottom plate and the overturning hinge mechanism play a certain protection role.
According to the further technical scheme, the length of the bottom plate of the jack is smaller than the sum of the width of the right wing plate of the H-shaped steel and the distance between the two pieces of the H-shaped steel, and the interference of the bottom plate of the jack in the overturning process is avoided.
A method for disassembling a heavy H-shaped steel roller guide beam disassembling platform device comprises the following steps:
s1, fixing of the roller guide: the roller guide is lifted to the upper part of the roller guide fixing mechanism through a travelling crane, the travelling crane descends after the guide cross beam is aligned with the guide cross beam accommodating groove, and the whole roller guide is placed into the guide cross beam accommodating groove through the guide cross beam and then fixed on the roller guide fixing mechanism;
s2, inserting an opening cushion block: loosening bolts for fixing the pressing plate and the guide cross beam on the guide fixing frame together, and inserting the opening cushion block between the pressing plate and the guide fixing frame after the opening of the opening cushion block avoids the bolts between the pressing plate and the guide fixing frame, so that a gap is formed between the pressing plate and the guide cross beam;
s3, tightening of the hydraulic jack: the hydraulic jack is arranged on a wing plate of the H-shaped steel I and is tightly propped on the pressing plate through a mandril of the hydraulic jack
S4, starting the hydraulic jack: and starting the hydraulic jack, and slowly pushing the guide fixing frame rightwards by the ejector rod and deviating the guide cross beam to complete the relative separation of the guide fixing frame and the guide cross beam.
Another method for disassembling the heavy H-shaped steel roller guide beam disassembling platform device comprises the following steps:
s1, fixing of the roller guide: the roller guide is lifted to the upper part of the roller guide fixing mechanism through a travelling crane, the travelling crane descends after the guide cross beam is aligned with the guide cross beam accommodating groove, and the whole roller guide is placed into the guide cross beam accommodating groove through the guide cross beam and then fixed on the roller guide fixing mechanism;
s2, inserting an opening cushion block: loosening bolts for fixing the pressing plate and the guide cross beam on the guide fixing frame together, and inserting the opening cushion block between the pressing plate and the guide fixing frame after the opening of the opening cushion block avoids the bolts between the pressing plate and the guide fixing frame, so that a gap is formed between the pressing plate and the guide cross beam;
s3, use of the turnover supporting plate mechanism: the whole overturning supporting plate mechanism is overturned on a wing plate of the H-shaped steel I through an overturning hinge mechanism, a jack baffle plate tightly abuts against an upper baffle plate, a hydraulic jack is arranged on a jack base plate, and the hydraulic jack is tightly propped on a pressing plate through a mandril of the hydraulic jack;
s4, starting the hydraulic jack: starting the hydraulic jack, and slowly pushing the guide fixing frame rightwards by the ejector rod and deviating the guide fixing frame from the guide cross beam to complete the relative separation of the guide fixing frame and the guide cross beam;
s5, overturning of the overturning supporting plate mechanism: the whole overturning supporting plate mechanism is overturned in the abdominal cavity at the lower part of the H-shaped steel I through an overturning hinge mechanism.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
the roller guide and guard fixing device is convenient to manufacture, low in cost, convenient to install and reliable to use, after the roller guide and guard are fixed on the guide and guard fixing device for repairing the heavy H-shaped steel roller guide and guard, the hydraulic jack is placed through the overturning support plate mechanism, the bottom end of the hydraulic jack is abutted to the jack baffle, and the ejector rod of the hydraulic jack abuts against the guide and guard fixing frame, so that the relative displacement between the guide and guard cross beam and the guide and guard fixing frame can be realized, the purpose of dismounting the guide and guard cross beam is further achieved, the technical effects of high dismounting efficiency, good safety performance and low labor intensity of operators are further realized, and after the dismounting of the guide and guard cross beam is completed, the whole overturning support plate mechanism is overturned in the abdominal cavity at the lower part of the H-shaped steel I through the overturning hinge mechanism, and the interference phenomenon in the dismounting process of other parts is avoided.
Drawings
FIG. 1 is a front view of a roll guide to be disassembled;
FIG. 2 is a side view of the roll guide to be disassembled;
FIG. 3 is a schematic view of the assembled structure of the present invention;
FIG. 4 is a front view of the roll guide fixing mechanism of the present invention;
FIG. 5 is a top view of the roller guide fixing mechanism of the present invention;
FIG. 6 is a perspective view of a roller guide fixing mechanism of the present invention;
FIG. 7 is a side view of the roll guide fixing mechanism of the present invention;
FIG. 8 is a cross-sectional view taken along line A-A of FIG. 4;
FIG. 9 is a schematic view of the construction of the connecting baffle of the present invention;
FIG. 10 is a schematic view of a middle connection plate according to the present invention;
FIG. 11 is an enlarged view of the structure of the turnover support link plate of the present invention;
FIG. 12 is a schematic structural view of a turnover support plate mechanism according to the present invention;
FIG. 13 is a side view of the roll-over support plate mechanism of the present invention;
FIG. 14 is a schematic view of the location of the locating pin in the present invention;
FIG. 15 is an enlarged schematic structural view of the split spacer of the present invention;
FIG. 16 is an enlarged rear side view of the split spacer of the present invention;
FIG. 17 is a schematic view of the enlarged rear platen;
FIG. 18 is a schematic diagram of the position of the turnover support plate mechanism after being used and idle.
The reference numbers in the figures are: 1. h-shaped steel I; 2. h-shaped steel II; 3. connecting a baffle plate; 4. connecting the middle plate; 6. supporting the rib plate; 7. turning over the support chain plate; 10. roller guide; 11. a vane slot; 12. a support plate overturning mechanism; 20. a hydraulic jack; 30. a roller guide fixing mechanism; 31. an upper baffle; 32. a lower connecting plate; 33. a guide beam accommodating groove; 34. h-shaped steel wing plate accommodating grooves; 40. opening the cushion block; 71. a rotating shaft hole; 100. a gap; 101. a guide cross beam; 102. a guide fixing frame; 103. a guide eccentric shaft; 104. a guide plate; 106. pressing a plate; 107. bolt holes; 121. a jack baffle; 122. a jack base plate; 123. a jack rib plate; 124. a turnover plate hinge; 125. positioning pins; 201. and a push rod.
Detailed Description
The invention is described in detail below with reference to the drawings and specific examples.
Example 1
As shown in fig. 1 and 2, the roll guide 10 is assembled in a cross shape of the guide cross member 101 and the guide plate 104. After the assembly is completed, the guide cross beam 101 is pressed by the pressing plate 106, and then the pressing plate 106 and the guide cross beam 101 are fixed on the guide fixing frame 102 through the bolts and the bolt holes 107. When the guide cross beam 101 needs to be disassembled, the bolts are loosened, and the gap 100 is formed between the pressing plate 106 and the guide cross beam 101 under the influence of outward extrusion of the guide cross beam 101, and the gap 100 is larger and larger along with continuous loosening of the bolts.
The heavy H-shaped steel roller guide crossbeam dismounting platform device of the embodiment comprises a roller guide fixing mechanism 30, an opening cushion block 40 and a hydraulic jack 20 as shown in fig. 3, wherein the section of the opening cushion block 40 is U-shaped as shown in fig. 15 and 16; wherein: as shown in fig. 4, 5, 6, 7 and 8, the roller guide fixing mechanism 30 includes two parallel section steels with a gap, i.e., an H-section steel i 1 and an H-section steel ii 2, which are respectively close to two ends of the two section steels, and are fixedly connected with 2 connecting baffles 3 perpendicular to the two section steels, generally in a welding manner; as shown in fig. 9, the connection baffle 3 is of an up-down structure and includes an upper baffle 31 and a lower connecting plate 32, the upper baffle 31 protrudes out of the upper wing plate surface of the two sections, a guide beam receiving groove 33 is reserved in the middle of the upper baffle 31, the lower connecting plate 32 fits the abdominal cavity formed between the two sections, and an H-section steel wing plate receiving groove 34 is reserved between the upper baffle 31 and the lower connecting plate 32; the guide beam 101 of the roller guide 10 is inserted into the guide beam accommodating groove 33, and the roller guide 10 is fixed in the roller guide fixing mechanism 30 through the guide beam 101; as shown in fig. 3, after the opening of the opening cushion block 40 avoids the bolt between the pressure plate 106 and the guide fixing frame 102, the opening cushion block 40 is inserted between the pressure plate 106 and the guide fixing frame 102, and a gap 100 is formed between the pressure plate 106 and the guide cross beam 101; the hydraulic jack 20 is pressed against the pressure plate 106 through the top rod 201 thereof. When the guide cross beam 101 is detached, the gap 100 is formed between the pressing plate 106 and the guide cross beam 101, and the gap 100 is increased after the opening cushion block 40 is inserted; when the width of opening cushion block 40 is greater than clearance 100, when hydraulic jack 20 continuously applied pressure, opening cushion block 40 avoided pressure behind guide crossbeam 101, directly exerted on guide fixing frame 102, guide crossbeam 101 was blocked and can not remove in guide crossbeam holding groove 33 to realize the disconnect-type displacement between guide crossbeam 101 and the guide fixing frame 102, thereby reach laborsaving, convenient, safe will guide crossbeam 101 and dismantle the technological effect. As shown in fig. 17, since the pressing plate 106 is a frame structure, and there are 4 bolt holes 107 for fixing by bolts, 4 split spacers 40 are required to be respectively inserted on the bolts between the pressing plate 106 and the guide fixing frame 102; and the number of the hydraulic jacks 20 is 2, and the hydraulic jacks are respectively tightly propped against two side edges of the pressing plate 106, so that the pressure on the two sides of the pressing plate 106 is prevented from being uneven. Of course, a connecting rod may be fixed in the middle of the pressing plate 106, and the hydraulic jack 20 directly presses on the connecting rod, and at this time, 1 hydraulic jack 20 may be used.
The method for disassembling the heavy H-shaped steel roller guide beam disassembling platform device comprises the following specific steps:
s1, fixing of the roller guide: the roller guide 10 is lifted to the upper side of the roller guide fixing mechanism 30 through a travelling crane, the travelling crane descends after the guide cross beam 101 is aligned with the guide cross beam accommodating groove 33, and the whole roller guide 10 is placed into the guide cross beam accommodating groove 33 through the guide cross beam 101 and then fixed on the roller guide fixing mechanism 30;
s2, inserting an opening cushion block: loosening bolts for fixing the pressing plate 106 and the guide cross beam 101 on the guide fixing frame 102 together, and after the opening of the opening cushion block 40 avoids the bolts between the pressing plate 106 and the guide fixing frame 102, inserting the opening cushion block 40 between the pressing plate 106 and the guide fixing frame 102, and forming a gap 100 between the pressing plate 106 and the guide cross beam 101 to increase;
s3, tightening of the hydraulic jack: the hydraulic jack 20 is arranged on a wing plate of the H-shaped steel I1, and the hydraulic jack 20 is tightly propped against the pressure plate 106 through the mandril 201 of the hydraulic jack
S4, starting the hydraulic jack: the hydraulic jack 20 is started, the ejector rod 201 slowly pushes the guide fixing frame 102 to the right and deviates from the guide cross beam 101, and the relative separation of the guide fixing frame and the guide cross beam is completed.
Example 2
The basic structure of the platform device for disassembling the guide and guard beam of the heavy H-shaped steel roll of the embodiment is the same as that of embodiment 1, and the differences and improvements are as follows: the turnover support plate mechanism 12 is further included, as shown in fig. 3, 12 and 13, the turnover support plate mechanism 12 includes a jack base plate 122, a jack baffle 121 vertically arranged on the upper surface of one end perpendicular to the width direction of the jack base plate 122, and 2 turnover plate hinges 124 symmetrically arranged on the lower surface of the other end perpendicular to the width direction of the jack base plate 122 and at the two ends in the length direction; hinge holes are reserved on the turnover plate hinges 124. As shown in fig. 5 and 6, two wing plate grooves 11 are reserved on the upper left wing plate of the H-shaped steel i 1, and the specifications of the wing plate grooves 11 are arranged in a manner of being matched with the jack base plate 122; as shown in fig. 8 and 11, turning support chain plates 7 are respectively and vertically fixed on the web plates of the H-shaped steel i 1 at 2 right angles of each wing plate groove 11, and a rotating shaft hole 71 is reserved on each turning support chain plate 7; the rotating shaft hole 71 is matched with a hinge hole reserved on the turnover plate hinge 124; the rotating shaft hole 71, the hinge hole and the rotating shaft passing through the rotating shaft hole 71 and the hinge hole form a turning hinge mechanism of the turning support plate mechanism 12; the specification cooperation jack bottom plate 122 setting of pterygoid lamina groove 11 will lead and defend the crossbeam and dismantle the back, and the abdominal cavity under the I pterygoid lamina of whole upset backup pad body accessible upset the hinge mechanism can avoid the upset backup pad body to influence other parts dismantlement. A supporting rib plate 6 is connected between the outer side surface of the upper baffle plate 31 and wing plates of the two section steels; the strength and rigidity of the upper baffle are enhanced, and the deformation of the upper baffle in the hydraulic process is avoided; and a jack rib plate 123 is fixedly connected between the jack baffle 121 and the jack bottom plate 122, so that a hydraulic jack positioning compartment can be formed while the strength of the jack baffle is enhanced. As shown in figure 10, the gap between the two section steels is also fixedly connected with a vertical state, and the middle connecting plate 4 in an inverted 'convex' shape is used for enhancing the strength of the fixed connection between the two section steels, so that the two section steels are prevented from being separated and fixed in the hydraulic process. As shown in fig. 14, the flip support plate mechanism 12 further includes positioning pins 125; the jack bottom plate 122 and the H-shaped steel I1 are also provided with positioning holes in advance, the positioning holes are communicated with wing plate holes reserved on a right wing plate on the upper portion of the H-shaped steel I1, the positioning pins 125 penetrate through the positioning holes and the wing plate holes, and in the working process of the jack, the shearing force borne by the positioning pins reduces the acting force of the jack on the support plate body and the overturning hinge mechanism, and the jack plays a certain role in protecting the support plate body and the overturning hinge mechanism. As shown in FIG. 18, the length of the jack base plate 122 should be less than the sum of the width of the right wing of the H-section steel I1 and the distance between the two sections, so as to avoid the interference of the jack base plate 122 during the turning process.
The method for disassembling the heavy H-shaped steel roller guide beam disassembling platform device comprises the following steps:
s1, fixing of the roller guide: the roller guide 10 is lifted to the upper side of the roller guide fixing mechanism 30 through a travelling crane, the travelling crane descends after the guide cross beam 101 is aligned with the guide cross beam accommodating groove 33, and the whole roller guide 10 is placed into the guide cross beam accommodating groove 33 through the guide cross beam 101 and then fixed on the roller guide fixing mechanism 30;
s2, inserting an opening cushion block: loosening bolts for fixing the pressing plate 106 and the guide cross beam 101 on the guide fixing frame 102 together, and after the opening of the opening cushion block 40 avoids the bolts between the pressing plate 106 and the guide fixing frame 102, inserting the opening cushion block 40 between the pressing plate 106 and the guide fixing frame 102, and forming a gap 100 between the pressing plate 106 and the guide cross beam 101;
s3, use of the turnover supporting plate mechanism: the whole overturning support plate mechanism 12 is overturned on a wing plate of the H-shaped steel I1 through an overturning hinge mechanism, a jack baffle plate 121 tightly abuts against an upper baffle plate 31, a hydraulic jack 20 is arranged on a jack bottom plate 122, and the hydraulic jack 20 is tightly jacked on a pressure plate 106 through a jacking rod 201 of the hydraulic jack;
s4, starting the hydraulic jack: starting the hydraulic jack 20, and slowly pushing the guide fixing frame 102 to the right by the ejector rod 201 and deviating the guide cross beam 101 to complete the relative separation of the guide fixing frame and the guide cross beam;
s5, overturning of the overturning supporting plate mechanism: the whole overturning supporting plate mechanism 12 is overturned in the abdominal cavity at the lower part of the H-shaped steel I1 through an overturning hinge mechanism.
The roller guide and guard fixing device is convenient to manufacture, low in cost, convenient to install and reliable to use, after the roller guide and guard are fixed on the guide and guard fixing device for repairing the heavy H-shaped steel roller guide and guard, the hydraulic jack is placed through the overturning support plate mechanism, the bottom end of the hydraulic jack is abutted to the jack baffle, and the ejector rod of the hydraulic jack is abutted to the guide and guard fixing frame, so that the relative displacement between the guide and guard cross beam and the guide and guard fixing frame can be realized, the purpose of dismounting the guide and guard cross beam is further achieved, the technical effects of high dismounting efficiency, good safety performance and low labor intensity of operators are further realized, and after the guide and guard cross beam is dismounted, the whole overturning support plate mechanism is overturned in the abdominal cavity at the lower part of the H-shaped steel I through the overturning hinge mechanism, and the interference phenomenon in the dismounting process of other parts (such as the guide and guard eccentric shaft 103) is avoided.
The present invention and its embodiments have been described above schematically, without limitation, and the invention can be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The representation in the drawings is only one of the embodiments of the invention, the actual construction is not limited thereto, and any reference signs in the claims shall not limit the claims concerned. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the present invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the protection scope of the present invention.
Claims (9)
1. A heavy H-shaped steel roller guide crossbeam dismounting platform device is characterized by comprising a roller guide fixing mechanism (30), an opening cushion block (40) with a U-shaped section and a hydraulic jack (20); wherein:
the roller guide fixing mechanism (30) comprises two section steels which are in a parallel state and are provided with intervals, namely an H-shaped steel I (1) and an H-shaped steel II (2), and 2 connecting baffles (3) are fixedly connected to the two section steels in a manner of being perpendicular to the two section steels and respectively close to the two ends of the two section steels; the connecting baffle (3) is of an upper-lower structure and comprises an upper baffle (31) and a lower connecting plate (32), the upper baffle (31) protrudes out of the surface of an upper wing plate of the two section steels, a guide beam accommodating groove (33) is reserved in the middle of the upper baffle (31), the lower connecting plate (32) is matched with the shape of an abdominal cavity formed between the two section steels, and an H-shaped steel wing plate accommodating groove (34) is reserved between the upper baffle (31) and the lower connecting plate (32);
a guide beam (101) of the roller guide (10) is inserted into the guide beam accommodating groove (33); after the opening of the opening cushion block (40) avoids the bolt between the pressure plate (106) and the guide fixing frame (102), the opening cushion block (40) is inserted between the pressure plate (106) and the guide fixing frame (102), and a gap (100) is formed between the pressure plate (106) and the guide cross beam (101); the hydraulic jack (20) is tightly pressed on the pressure plate (106) through a mandril (201) of the hydraulic jack.
2. The heavy H-shaped steel roller guide and guard beam dismounting platform device as claimed in claim 1, further comprising a turnover supporting plate mechanism (12), wherein the turnover supporting plate mechanism (12) comprises a jack base plate (122), a jack baffle plate (121) vertically arranged on the upper surface of one end perpendicular to the width direction of the jack base plate (122), and 2 turnover plate hinges (124) symmetrically arranged on the lower surface of the other end perpendicular to the width direction of the jack base plate (122) and at the two ends in the length direction; hinge holes are reserved on the hinge (124) of the turnover plate.
3. The heavy H-shaped steel roll guide and guard beam dismounting platform device as claimed in claim 2, wherein two wing plate grooves (11) are reserved on the upper left wing plate of the H-shaped steel I (1), and the specifications of the wing plate grooves (11) are arranged in cooperation with a jack base plate (122); turning support chain plates (7) are respectively and vertically fixed on the webs of the H-shaped steel I (1) at 2 right angles of each wing plate groove (11), and rotating shaft holes (71) are reserved on the turning support chain plates (7); the rotating shaft hole (71) is matched with a hinge hole reserved on the turnover plate hinge (124); the rotating shaft hole (71), the hinge hole and the rotating shaft passing through the rotating shaft hole (71) and the hinge hole form a turning hinge mechanism of the turning support plate mechanism (12); the specification of the wing plate groove (11) is matched with that of the jack bottom plate (122).
4. The heavy H-shaped steel roll guide and guard beam dismounting platform device according to claim 2, characterized in that a support rib plate (6) is connected between the outer side surface of the upper baffle plate (31) and wing plates of two shaped steel; and a jack rib plate (123) is fixedly connected between the jack baffle plate (121) and the jack base plate (122).
5. The device for detaching the cross beam of the guide and guard of the heavy H-shaped steel roll according to claim 2, characterized in that a vertical connecting middle plate (4) in a shape of an inverted 'convex' is fixedly connected to the gap between the middle parts of the two sections.
6. The heavy H-section steel roll guide beam disassembly platform assembly of claim 3, wherein the roll over shoe mechanism (12) further comprises a locating pin (125); positioning holes are reserved on the jack bottom plate (122) and the H-shaped steel I (1) and communicated with wing plate holes reserved on the right wing plate on the upper portion of the H-shaped steel I (1), and the positioning pin (125) penetrates through the positioning holes and the wing plate holes.
7. The device for detaching the cross beam of the roller guide and guard of the heavy H-shaped steel as claimed in claim 6, wherein the length of the jack base plate (122) is less than the sum of the width of the right wing plate of the H-shaped steel I (1) and the distance between the two sections.
8. The method for disassembling the platform device for disassembling the guide and guard cross beam of the heavy H-shaped steel roll according to claim 1 is characterized by comprising the following steps of:
s1, fixing of the roller guide: the roller guide and guard (10) is lifted to the upper side of the roller guide and guard fixing mechanism (30) through a travelling crane, the travelling crane descends after a guide and guard cross beam (101) is aligned with a guide and guard cross beam accommodating groove (33), and the whole roller guide and guard (10) is placed into the guide and guard cross beam accommodating groove (33) through the guide and guard cross beam (101) and then fixed on the roller guide and guard fixing mechanism (30);
s2, inserting an opening cushion block: loosening bolts for fixing the pressing plate (106) and the guide cross beam (101) on the guide fixing frame (102), and inserting the opening cushion block (40) between the pressing plate (106) and the guide fixing frame (102) after the opening of the opening cushion block (40) avoids the bolts between the pressing plate (106) and the guide fixing frame (102), so that a gap (100) is formed between the pressing plate (106) and the guide cross beam (101);
s3, tightening of the hydraulic jack: the hydraulic jack (20) is arranged on a wing plate of the H-shaped steel I (1), and the hydraulic jack (20) is tightly propped against the pressure plate (106) through a mandril (201) of the hydraulic jack
S4, starting the hydraulic jack: and starting the hydraulic jack (20), and slowly pushing the guide fixing frame (102) to the right by the ejector rod (201) and deviating from the guide cross beam (101) to finish the relative separation of the guide fixing frame and the guide cross beam.
9. A method for disassembling a platform device for disassembling a guide and guard beam of a heavy H-shaped steel roll according to any one of claims 3 to 7, which is characterized by comprising the following steps:
s1, fixing of the roller guide: the roller guide and guard (10) is lifted to the upper side of the roller guide and guard fixing mechanism (30) through a travelling crane, the travelling crane descends after a guide and guard cross beam (101) is aligned with a guide and guard cross beam accommodating groove (33), and the whole roller guide and guard (10) is placed into the guide and guard cross beam accommodating groove (33) through the guide and guard cross beam (101) and then fixed on the roller guide and guard fixing mechanism (30);
s2, inserting an opening cushion block: loosening bolts for fixing the pressing plate (106) and the guide cross beam (101) on the guide fixing frame (102), and inserting the opening cushion block (40) between the pressing plate (106) and the guide fixing frame (102) after the opening of the opening cushion block (40) avoids the bolts between the pressing plate (106) and the guide fixing frame (102), so that a gap (100) is formed between the pressing plate (106) and the guide cross beam (101);
s3, use of the turnover supporting plate mechanism: the whole overturning support plate mechanism (12) is overturned on a wing plate of the H-shaped steel I (1) through an overturning hinge mechanism, a jack baffle plate (121) is tightly abutted to an upper baffle plate (31), a hydraulic jack (20) is arranged on a jack bottom plate (122), and the hydraulic jack (20) is tightly jacked on a pressing plate (106) through a jacking rod (201) of the hydraulic jack;
s4, starting the hydraulic jack: starting the hydraulic jack (20), and slowly pushing the guide fixing frame (102) to the right by the ejector rod (201) and deviating from the guide cross beam (101) to finish the relative separation of the guide fixing frame and the guide cross beam;
s5, overturning of the overturning supporting plate mechanism: the whole overturning supporting plate mechanism (12) is overturned in the abdominal cavity at the lower part of the H-shaped steel I (1) through an overturning hinge mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111268739.7A CN113829295A (en) | 2021-10-29 | 2021-10-29 | Heavy H-shaped steel roller guide beam dismounting platform device and dismounting method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111268739.7A CN113829295A (en) | 2021-10-29 | 2021-10-29 | Heavy H-shaped steel roller guide beam dismounting platform device and dismounting method thereof |
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| CN113829295A true CN113829295A (en) | 2021-12-24 |
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| CN202111268739.7A Pending CN113829295A (en) | 2021-10-29 | 2021-10-29 | Heavy H-shaped steel roller guide beam dismounting platform device and dismounting method thereof |
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| CN216030562U (en) * | 2021-10-29 | 2022-03-15 | 安徽马钢重型机械制造有限公司 | Heavy H shaped steel roll is led and is defended crossbeam and dismantle platform device |
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- 2021-10-29 CN CN202111268739.7A patent/CN113829295A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06285519A (en) * | 1993-03-31 | 1994-10-11 | Nippon Steel Corp | Detachable equipment for roll chock of mill |
| JPH11216508A (en) * | 1998-01-30 | 1999-08-10 | Kawasaki Steel Corp | Mill roll housing disassembling equipment |
| CN201232652Y (en) * | 2008-05-23 | 2009-05-06 | 长沙水泵厂有限公司 | Invalidation preventing structure of vertical diagonal flow pump sleeve coupler and detaching device thereof |
| CN202893823U (en) * | 2012-10-19 | 2013-04-24 | 广东韶钢松山股份有限公司 | Dismounting device for multiple types of rollers |
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