CN110606432A - Special lifting appliance for lifting steel rail and use method - Google Patents
Special lifting appliance for lifting steel rail and use method Download PDFInfo
- Publication number
- CN110606432A CN110606432A CN201910962024.8A CN201910962024A CN110606432A CN 110606432 A CN110606432 A CN 110606432A CN 201910962024 A CN201910962024 A CN 201910962024A CN 110606432 A CN110606432 A CN 110606432A
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- lifting
- rail
- wire rope
- steel wire
- clamping
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 182
- 239000010959 steel Substances 0.000 title claims abstract description 182
- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000007704 transition Effects 0.000 claims abstract description 41
- 238000005520 cutting process Methods 0.000 claims abstract description 23
- 210000000080 chela (arthropods) Anatomy 0.000 abstract description 16
- 230000008569 process Effects 0.000 abstract description 13
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
- B66C1/44—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/62—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled
- B66C1/64—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled for T- or I-section beams or girders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a special lifting appliance for lifting a steel rail and a using method thereof, wherein the lifting appliance comprises a fixed clamping sleeve, rail clamping pincers, a steel wire rope and a lifting ring; the steel wire rope comprises an upper steel wire rope section and a lower steel wire rope section, and the hoisting ring comprises a transition hoisting ring and a terminal hoisting ring; the fixed cutting ferrule covers the end position at rail both ends, and sets up a terminal rings above every fixed cutting ferrule, and terminal rings pass through hypomere wire rope and are connected with transition rings, and transition rings are connected with lifting hook and clamp rail pincers respectively, and transition rings pass through upper segment wire rope and are connected with the lifting hook. The invention also discloses a concrete form of the rail clamping pliers and a structure for fixing the clamping sleeve. The invention solves the safety problems caused by incorrect lifting point position, rail clamping clamp displacement and falling, emergency stop of hoisting equipment and misoperation of equipment operators in the lifting process, and ensures the safety of personnel and equipment implementation in the lifting process.
Description
Technical Field
The invention belongs to the field of railway construction devices, and particularly relates to a special lifting appliance for lifting a steel rail and a using method thereof.
Background
The steel rail is hoisted by generally adopting two rail clamping tongs to be matched with a steel wire rope, the position of a hoisting point needs to be measured and determined before hoisting, and the steel rails on two sides are asymmetric in the hoisting process, so that the steel rails are inclined and slide off in the hoisting process, and safety accidents are easily caused; in addition, in the process of hoisting the steel rail, due to misoperation of an operator, such as sudden stop, hoisting or over-quick rotation of hoisting equipment, the steel rail is easy to fall off in the process of hoisting, so that personnel are injured by crashing, and safety accidents are caused.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the special lifting appliance for lifting the steel rail and the using method thereof, the lifting appliance is reliable, and the lifting safety is ensured.
The purpose of the invention is realized by the following technical scheme:
a special lifting appliance for lifting steel rails comprises a fixed clamping sleeve, rail clamping pincers, a steel wire rope and a lifting ring; the steel wire rope comprises an upper steel wire rope section and a lower steel wire rope section, and the hoisting ring comprises a transition hoisting ring and a terminal hoisting ring;
the fixed cutting sleeves are sleeved at the end positions of two ends of a steel rail, a terminal hanging ring is arranged above each fixed cutting sleeve, the terminal hanging rings are connected with transition hanging rings through lower-section steel wire ropes, the transition hanging rings are respectively connected with lifting hooks and rail clamping tongs, and the transition hanging rings are connected with the lifting hooks through upper-section steel wire ropes;
the rail clamping pliers comprise a first connecting piece, a second connecting piece, a first clamping plate, a second clamping plate and a hoisting plate, wherein the first connecting piece is hinged with the first clamping plate, the second connecting piece is hinged with the second clamping plate, the first clamping plate and the second clamping plate are hinged to form a clamping part, and the clamping part is used for clamping a steel rail; the first connecting piece is hinged with the second connecting piece, the first connecting piece and the second connecting piece are also hinged with the hoisting plate, and the hoisting plate is connected with the transition hoisting ring;
the fixed cutting ferrule includes roof, lug, baffle and bearing board, and the lug is fixed on the roof, and the roof is fixed with the baffle, and the baffle is connected with the bearing board, and the bearing board is used for bearing the rail.
As a preferred mode, the first connecting piece comprises two connecting plates which are arranged in parallel, and the first clamping plate is inserted into the two connecting plates and is hinged with the two connecting plates through a pin;
the second connecting piece comprises two connecting plates which are arranged in parallel, and the second clamping plate is inserted into the two connecting plates and is hinged with the two connecting plates through pins.
Preferably, the lifting lug comprises a semicircular lifting plate, and a lifting hole is formed in the lifting plate.
Preferably, the hanging hole is circular, and the wall of the hanging hole needs to be polished smooth.
Preferably, the lifting lug is arranged on the top surface of the top plate and is positioned in the middle of the top plate.
As the preferred mode, roof, lug, baffle and bearing board are all made by the steel sheet, and the top welding lug of roof, baffle and roof welding, bearing board and baffle welding.
Preferably, the terminal lifting ring is connected with the lifting lug through a connecting bolt.
As a preferred mode, two transition lifting rings are arranged, and rail clamping pliers are arranged below the two transition lifting rings; the two transition lifting rings are connected through an integral upper section of steel wire rope;
the transition flying ring is connected with the adjacent fixed cutting sleeve through a section of lower section steel wire rope.
As a preferred mode, a connection point of the upper steel wire rope and the lifting hook when the upper steel wire rope is tightened is a lifting point, and the lifting point is located in the middle of the upper steel wire rope.
Preferably, in order to avoid the deviation of the lifting point in the lifting process, limiting parts are fixed on two sides of the lifting point.
A use method of a special lifting appliance for lifting steel rails comprises the following steps:
assembling: connecting the upper section of steel wire rope and the lower section of steel wire rope with a transition lifting ring, connecting the transition lifting ring with rail clamping tongs, and connecting the lower section of steel wire rope with a lifting lug for fixing a clamping sleeve;
and (3) checking: after the connection of the special tool for hoisting the steel rail is finished, checking is carried out, and the firm connection among the parts such as the upper section steel wire rope, the transition hoisting ring, the rail clamping pliers, the lower section steel wire rope, the terminal hoisting ring, the fixed clamping sleeve and the like is confirmed;
hanging: connecting the upper section of steel wire rope to a lifting hook, and fixing the fixing clamp sleeves at two ends of the steel rail;
pre-hoisting: lifting the lifting hook to a certain height by the lifting equipment, moving the rail clamping tongs to the center position of the steel rail, and clamping the steel rail by the rail clamping tongs after the steel wire rope at the lower section is straightened;
hoisting: and hoisting equipment, checking whether the mounting position of the rail clamping tongs is correct and stable again when the upper steel wire rope and the lower steel wire rope are in a stretched and straight stressed state, and hoisting after no error is confirmed.
The invention has the beneficial effects that:
1. the special hanger for the steel rail provided by the invention is simple to manufacture and has no special material selection requirement. And the safety problem that the safety is caused by incorrect lifting point position, rail clamping pliers displacement and falling, emergency stop of hoisting equipment and misoperation of equipment operators in the hoisting process is solved, the safety of personnel and equipment implementation in the hoisting process is ensured, the tool is simple and easy to operate, the lifting point is not required to be fixed and determined, and the safety in the construction process is greatly ensured.
2. The invention can stably lift the steel rail, has the advantages of convenient installation and disassembly of the hoisting tool, simple structure, high hoisting speed and stability, can ensure the personal safety of workers and surrounding personnel, and has good economic and social benefits.
Drawings
Fig. 1 is a schematic view of a use state of a steel rail hoisting tool provided by the invention;
FIG. 2 is a front view of a fixing clip sleeve in the rail lifting tool provided by the present invention;
FIG. 3 is a side view of a retaining clip in the rail lifting tool of the present invention;
fig. 4 is a top view (partially) of a fixing clamp sleeve in the steel rail hoisting tool provided by the invention;
in the figure, 1-upper steel wire rope, 2-transition lifting ring, 3-lower steel wire rope, 4-terminal lifting ring, 5-fixed cutting sleeve, 5.1-lifting lug, 5.2-top plate, 5.3-side plate, 5.4-clamping plate, 5.5-bottom plate, 5.6-baffle, 6-rail clamping clamp, 7-steel rail, 8-lifting hook and 9-connecting bolt.
Detailed Description
The technical solutions of the present invention are further described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following.
In the description of the embodiments of the present invention, it should be noted that the indication of the orientation or the positional relationship is based on the orientation or the positional relationship shown in the drawings, or the orientation or the positional relationship which is usually placed when the product of the present invention is used, or the orientation or the positional relationship which is usually understood by those skilled in the art, or the orientation or the positional relationship which is usually placed when the product of the present invention is used, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, cannot be understood as limiting the present invention. Furthermore, the terms "first" and "second" are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
Example one
As shown in fig. 1-4, a special lifting tool for lifting a steel rail 7 comprises a fixing clamp sleeve 5, a rail clamp 6, a steel wire rope and a lifting ring; the steel wire rope comprises an upper section of steel wire rope 1 and a lower section of steel wire rope 3, and the hanging ring comprises a transition hanging ring 2 and a terminal hanging ring 4;
the fixed cutting sleeves 5 are sleeved at the end positions of two ends of a steel rail 7, a terminal hanging ring 4 is arranged above each fixed cutting sleeve 5, the terminal hanging ring 4 is connected with a transition hanging ring 2 through a lower section steel wire rope 3, the transition hanging ring 2 is respectively connected with a lifting hook 8 and a rail clamping clamp 6, and the transition hanging ring 2 is connected with the lifting hook 8 through an upper section steel wire rope 1;
the rail clamping pliers 6 comprise a first connecting piece, a second connecting piece, a first clamping plate, a second clamping plate and a hoisting plate, wherein the first connecting piece is hinged with the first clamping plate, the second connecting piece is hinged with the second clamping plate, the first clamping plate and the second clamping plate are hinged to form a clamping part, and the clamping part is used for clamping the steel rail 7; the first connecting piece is hinged with the second connecting piece, the first connecting piece and the second connecting piece are also hinged with a hoisting plate, and the hoisting plate is connected with the transition hoisting ring 2;
the fixing clamp sleeve 5 comprises a top plate 5.2, a lifting lug 5.1, a baffle 5.6 and a bearing plate, wherein the lifting lug 5.1 is fixed on the top plate 5.2, the top plate 5.2 is fixed with the baffle 5.6, the baffle 5.6 is connected with the bearing plate, and the bearing plate is used for bearing the steel rail 7.
The steel rail 7 is hoisted by matching the fixing clamping sleeve 5 and the rail clamping pincers 6, and compared with the traditional hoisting method using a single rail clamping pincers 6, the steel rail hoisting method is safer and more reliable. In addition, the fixing clamp sleeve 5 is well designed, the two sides of the steel rail 7 can be firmly fixed through the lifting lugs 5.1, the baffle plates 5.6, the top plate 5.2 and the bearing plate, the steel rail 7 is inclined in the lifting process in time, the steel rail 7 cannot slide down, and the safety is greatly improved.
Example two
The embodiment is similar to the first embodiment, and is different in that the first connecting piece comprises two connecting plates which are arranged in parallel, and the first clamping plate is inserted into the two connecting plates and is hinged with the two connecting plates and the first clamping plate through pins;
the second connecting piece comprises two connecting plates which are arranged in parallel, and the second clamping plate is inserted into the two connecting plates and is hinged with the two connecting plates through pins.
Above-mentioned structure can be so that first cardboard and second cardboard installation very firm, in the use, can not take place the skew or break away from, and joint strength is high.
EXAMPLE III
For the fixing ferrule 5, which is the focus of the present invention, the design is also considered in many ways.
The lifting lug 5.1 comprises a semicircular lifting plate, and a lifting hole is formed in the lifting plate. The lifting hole is circular, and the lifting hole wall needs to be polished smoothly. This design is mainly in order to reduce the lifting eye wearing and tearing, and in the lift by crane the in-process, and the terminal rings 4 automatic adjustment position of being convenient for avoids blocking terminal rings 4.
The top plate 5.2, the lifting lugs 5.1, the baffle 5.6 and the bearing plate are all made of steel plates, the lifting lugs 5.1 are welded to the top of the top plate 5.2, the baffle 5.6 is welded to the top plate 5.2, and the bearing plate is welded to the baffle 5.6. The terminal hanging ring 4 is connected with the lifting lug 5.1 through a connecting bolt 9, the lower section steel wire rope 3 is connected with the terminal hanging ring 4, and the connecting bolt 9 is adopted for locking firmly. The material of the invention adopts common steel plate material, the material is easy to obtain, and the strength meets the requirement.
The lifting lug 5.1 is arranged on the top surface of the top plate 5.2 and is positioned in the middle of the top plate 5.2. Two transition lifting rings 2 are arranged, and rail clamping pliers 6 are arranged below the two transition lifting rings 2; the two transition lifting rings 2 are connected through an integral upper section steel wire rope 1; the transition lifting ring 2 is connected with the adjacent fixed cutting sleeve 5 through a section of lower section steel wire rope 3. The connection point of the upper steel wire rope 1 and the lifting hook 8 is a lifting point when the upper steel wire rope is tightened, and the lifting point is positioned in the middle (symmetrical center) of the upper steel wire rope 1. In order to avoid the deviation of the lifting point in the lifting process, limiting parts are fixed on two sides of the lifting point, for example, two steel bars are welded on two sides of the lifting point. For the whole hoisting device, the balance in hoisting is a factor to be considered, so the invention carries out the arrangement in order to ensure good balance. The lifting point of the steel rail 7 does not need to be measured, the mounting position of the rail clamping pliers 6 is automatically determined after the fixing clamping sleeve 5 is mounted, and the lifting point is fixed, balanced and safe.
It should be noted that two upper steel wire ropes 1 can be adopted, and the two upper steel wire ropes 1 are respectively connected with the lifting hook 8, for example, two upper steel wire ropes 1 with the length of 11mm are hung in the lifting hook 8 of the hoisting equipment. As shown in fig. 1-4, the structural size is the size of a special lifting appliance for 25m steel rails 7, and the size in the figures is measured in mm except for the indication.
The specific size is as follows:
the length of the hoisting steel rail 7 is 25 m;
the length (the straightening length, excluding the connection length) of the lower section steel wire rope 3 is 6.4 m;
the length (the straightening length, excluding the connection length) of the upper-section steel wire rope 1 is 9.2 m;
the distance between the lifting point of the rail clamping pliers 6 and the end part of the steel rail 7 is 6 m;
the distance between the lifting points of the two rail clamping tongs 6 is 13 m;
the upper section steel wire rope 1 and the hoisting steel rail 7 form an included angle of 40-50 degrees, preferably 45 degrees;
the diameters of the first steel wire rope and the second steel wire rope are both 11 mm.
The bearing plate for fixing the cutting sleeve 5 comprises a bottom plate 5.5, and the bottom plate 5.5 is welded with a baffle plate 5.6. Further, be provided with curb plate 5.3 for connecting roof 5.2, baffle 5.6 and bottom plate 5.5, increase the structural strength of whole fixed cutting ferrule 5. The side plates 5.3 comprise a first side plate 5.3 and a second side plate 5.3, and the first side plate 5.3 and the second side plate 5.3 are arranged on two sides of the top plate 5.2 or the bottom plate 5.5.
The bearing plate of the fixed cutting sleeve 5 comprises a clamping plate 5.4, the clamping plate 5.4 comprises a first clamping plate and a second clamping plate, the first clamping plate and the second clamping plate are arranged in parallel, the clamping plate 5.4 can adopt a steel plate, and the clamping plate 5.4 is welded with a baffle plate 5.6. The top and/or bottom of the clamping plates 5.4 are arranged in a circular arc to avoid damaging the steel rail 7.
The steel rail support device can adopt the clamping plate 5.4 and the bottom plate 5.5 to simultaneously support the steel rail 7, so that the support effect is better, and the connection stability is higher. Fixed cutting ferrule 5 is the rectangle pouring jacket, sets up spacing steel sheet or splint 5.4 in fixed cutting ferrule 5, and the removal of the fixed cutting ferrule 5 of restriction is hung in the dress and is hung in-process clamp rail pincers 6 and drop, and fixed cutting ferrule 5 can bear 7 single end weights of a rail, and secondary protection and atress can be played to spacing steel sheet or splint 5.4, ensure not to meet accident.
In the fixed cutting sleeve 5, the clearance distance (the distance between the first clamping plate and the second clamping plate) of the clamping plate 5.4 is 30mm, the width is 80mm, and the length is 100 mm;
the entire fixation ferrule 5 has a length of 124mm and an outer dimension (length, width, height) of 124mm, 168mm, 194 mm.
Example four
A use method of a special lifting appliance for lifting a steel rail 7 comprises the following steps:
assembling: connecting the upper section of steel wire rope 1 and the lower section of steel wire rope 3 with a transition lifting ring 2 (also adopting a lifting ring + bolt form connection), connecting the transition lifting ring 2 with a rail clamping clamp 6, and connecting the lower section of steel wire rope 3 with a lifting lug 5.1 of a fixed clamping sleeve 5; the rail clamp has the functions of fixing the lifting positions of the rail clamp 6 and the fixing clamp sleeve 5 on the steel rail 7, keeping the position of the lifting point of the steel rail 7 fixed, balancing the lifting, preventing the sliding deviation and ensuring the lifting safety. Before the steel rail 7 is lifted, the fixing clamp sleeve 5 at the end part of the steel rail 7 is installed, after the installation is finished, the rail clamping pincers 6 are moved towards the direction (the central direction of the steel rail 7) opposite to the fixing clamp sleeve 5 until the lower steel wire rope 3 is straightened, the lower steel wire rope 3 or the fixing clamp sleeve 5 cannot move, the position where the connecting line of the lifting point and the lifting point of the rail clamping pincers 6 forms an angle of 45 degrees with the steel rail 7 serves as the installation position of the rail clamping pincers 6, the central line of the steel rail 7 serves as the center and is symmetrically distributed, and two upper steel wire ropes 1 are placed in a lifting hook 8 of lifting equipment before.
And (3) checking: after the connection of the special hoisting tool for the steel rail 7 is finished, checking is carried out, and the firm connection among the upper section steel wire rope 1, the transition hoisting ring 2, the rail clamping pliers 6, the lower section steel wire rope 3, the terminal hoisting ring 4, the fixing clamping sleeve 5 and the like is confirmed;
hanging: connecting the upper section of the steel wire rope 1 to a lifting hook 8, and fixing the fixing clamp sleeve 5 at two ends of a steel rail 7; for example, two 11mm upper steel wire ropes 1 are hung in a lifting hook 8 of a hoisting device, rectangular three-dimensional fixing clamp sleeves 5 are manufactured at two ends of a steel rail 7, and the fixing clamp sleeves 5 are installed at two ends of the steel rail 7;
pre-hoisting: lifting the lifting hook 8 by a certain height by the lifting equipment, moving the rail clamping tongs 6 to the center position of the steel rail 7, straightening the lower section steel wire rope 3, and clamping the steel rail 7 by the rail clamping tongs 6; the lower section steel wire rope 3 is connected with a transition lifting ring 2 on the rail clamping device, a clamping sleeve 5 is fixed at the end part of the steel rail 7 before the steel rail 7 is lifted, after the installation is finished, the rail clamping tongs 6 are moved in the opposite direction of the fixed clamping sleeve until the lower section steel wire rope 3 is straightened, the position where the rail clamping tongs 6 and the steel rail 7 form a 45-degree angle cannot move is used as the installation position of the rail clamping tongs 6, the central line of the steel rail 7 is used as the center and is symmetrically distributed, and two upper section steel wire ropes 1 are firstly placed in a lifting hook 8 of lifting equipment before the lifting. The lifting point of the steel rail 7 does not need to be measured, the mounting position of the rail clamping pliers 6 is automatically determined after the fixing clamping sleeve 5 is mounted, and the lifting point is fixed, balanced and safe.
Hoisting: and hoisting equipment, when the upper section steel wire rope 1 and the lower section steel wire rope 3 are in a stretched and straight stressed state, checking whether the installation position of the rail clamping pincers 6 is correct and stable again, and hoisting after no error is confirmed.
The using method of the invention also comprises the following two steps:
dismantling: after the hoisting is finished, the lifting hook 8 falls down, 2 fixing clamping sleeves 5 at two ends of the steel rail 7 are taken off, and the two rail clamping tongs 6 are loosened to separate the rail clamping tongs 6 from the steel rail 7.
And (3) recycling steps: the hoisting equipment lifting and hoisting tool can also hoist other steel rails 7.
The invention utilizes the principle that a triangle is stable, the fixing clamping sleeve 5 is arranged at the end heads of steel rails 7 on two sides, a triangular stable system is formed between the lower steel wire rope 3 and the rail clamping pincers 6 and the steel rail 7, the upper steel wire rope 1 and the rail clamping pincers 6 are also triangular systems with the steel rail 7, when the steel rail 7 is lifted, the lifting point of the steel rail 7 is positioned right above the center of the steel rail 7, the rail clamping pincers 6 are positioned on two sides of the center of the steel rail 7, and after the steel wire ropes are tightened and stressed in the lifting process, the rail clamping pincers 6 move towards the center of the steel rail 7 under the traction of the steel wire ropes, and as the rail clamping pincers 6 are restrained by the lower steel wire rope 3 to form a reaction force with the upper steel wire rope 1, the displacement of the rail clamping pincers 6 is.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, it should be noted that any modifications, equivalents and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a rail hoist and mount special lifting device which characterized in that: comprises a fixed cutting sleeve, a rail clamping clamp, a steel wire rope and a hanging ring; the steel wire rope comprises an upper steel wire rope section and a lower steel wire rope section, and the hoisting ring comprises a transition hoisting ring and a terminal hoisting ring;
the fixed cutting sleeves are sleeved at the end positions of two ends of a steel rail, a terminal hanging ring is arranged above each fixed cutting sleeve, the terminal hanging rings are connected with transition hanging rings through lower-section steel wire ropes, the transition hanging rings are respectively connected with lifting hooks and rail clamping tongs, and the transition hanging rings are connected with the lifting hooks through upper-section steel wire ropes;
the rail clamping pliers comprise a first connecting piece, a second connecting piece, a first clamping plate, a second clamping plate and a hoisting plate, wherein the first connecting piece is hinged with the first clamping plate, the second connecting piece is hinged with the second clamping plate, the first clamping plate and the second clamping plate are hinged to form a clamping part, and the clamping part is used for clamping a steel rail; the first connecting piece is hinged with the second connecting piece, the first connecting piece and the second connecting piece are also hinged with the hoisting plate, and the hoisting plate is connected with the transition hoisting ring;
the fixed cutting ferrule includes roof, lug, baffle and bearing board, and the lug is fixed on the roof, and the roof is fixed with the baffle, and the baffle is connected with the bearing board, and the bearing board is used for bearing the rail.
2. The special lifting appliance for lifting steel rails according to claim 1, wherein: the first connecting piece comprises two connecting plates which are arranged in parallel, and the first clamping plate is inserted into the two connecting plates and is hinged with the two connecting plates through pins;
the second connecting piece comprises two connecting plates which are arranged in parallel, and the second clamping plate is inserted into the two connecting plates and is hinged with the two connecting plates through pins.
3. The special lifting appliance for lifting steel rails according to claim 1, wherein: the lifting lug comprises a semicircular lifting plate, and a lifting hole is formed in the lifting plate.
4. The special lifting appliance for lifting steel rails according to claim 3, wherein: the lifting hole is circular, and the lifting hole wall needs to be polished smoothly.
5. The special hanger for hoisting steel rails according to claim 1, 3 or 4, characterized in that: the lug sets up the top surface at the roof and is located the middle part of roof.
6. The special lifting appliance for lifting steel rails according to claim 1, wherein: the top plate, the lifting lugs, the baffle plate and the bearing plate are all made of steel plates, the lifting lugs are welded to the top of the top plate, the baffle plate is welded to the top plate, and the bearing plate is welded to the baffle plate.
7. The special lifting appliance for lifting steel rails according to claim 1, wherein: the terminal rings are connected with the lifting lugs through connecting bolts.
8. The special lifting appliance for lifting steel rails according to claim 1, wherein: two transition lifting rings are arranged, and rail clamping pliers are arranged below the two transition lifting rings; the two transition lifting rings are connected through an integral upper section of steel wire rope;
the transition flying ring is connected with the adjacent fixed cutting sleeve through a section of lower section steel wire rope.
9. The special lifting appliance for lifting steel rails according to claim 8, wherein: the connecting point of the upper steel wire rope and the lifting hook is a lifting point when the upper steel wire rope is tightened, and the lifting point is positioned in the middle of the upper steel wire rope.
10. The use method of the special lifting appliance for lifting the steel rail is characterized by comprising the following steps:
assembling: connecting the upper section of steel wire rope and the lower section of steel wire rope with a transition lifting ring, connecting the transition lifting ring with rail clamping tongs, and connecting the lower section of steel wire rope with a lifting lug for fixing a clamping sleeve;
and (3) checking: after the connection of the special tool for hoisting the steel rail is finished, checking is carried out, and the firm connection among the parts such as the upper section steel wire rope, the transition hoisting ring, the rail clamping pliers, the lower section steel wire rope, the terminal hoisting ring, the fixed clamping sleeve and the like is confirmed;
hanging: connecting the upper section of steel wire rope to a lifting hook, and fixing the fixing clamp sleeves at two ends of the steel rail;
pre-hoisting: lifting the lifting hook to a certain height by the lifting equipment, moving the rail clamping tongs to the center position of the steel rail, and clamping the steel rail by the rail clamping tongs after the steel wire rope at the lower section is straightened;
hoisting: and hoisting equipment, checking whether the mounting position of the rail clamping tongs is correct and stable again when the upper steel wire rope and the lower steel wire rope are in a stretched and straight stressed state, and hoisting after no error is confirmed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910962024.8A CN110606432A (en) | 2019-10-11 | 2019-10-11 | Special lifting appliance for lifting steel rail and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910962024.8A CN110606432A (en) | 2019-10-11 | 2019-10-11 | Special lifting appliance for lifting steel rail and use method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110606432A true CN110606432A (en) | 2019-12-24 |
Family
ID=68894405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910962024.8A Pending CN110606432A (en) | 2019-10-11 | 2019-10-11 | Special lifting appliance for lifting steel rail and use method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110606432A (en) |
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| CN111232821A (en) * | 2020-03-27 | 2020-06-05 | 五冶集团上海有限公司 | Roof tile hoisting anti-drop device |
| CN112299231A (en) * | 2020-10-15 | 2021-02-02 | 上海电气风电集团股份有限公司 | Single-blade lightering-free mounting equipment and method thereof |
| CN114348852A (en) * | 2021-12-20 | 2022-04-15 | 安徽跨宇钢结构网架工程有限公司 | H-shaped steel beam erection hoisting device |
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| CN210682949U (en) * | 2019-10-11 | 2020-06-05 | 中国电建集团铁路建设有限公司 | Special lifting appliance for hoisting steel rail |
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| CN200958001Y (en) * | 2006-09-30 | 2007-10-10 | 湛江港集团有限公司第一分公司 | Adjusting special rail crane |
| CN201276666Y (en) * | 2008-09-27 | 2009-07-22 | 中铁一局集团有限公司 | Rail panel hoisting apparatus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111232821A (en) * | 2020-03-27 | 2020-06-05 | 五冶集团上海有限公司 | Roof tile hoisting anti-drop device |
| CN112299231A (en) * | 2020-10-15 | 2021-02-02 | 上海电气风电集团股份有限公司 | Single-blade lightering-free mounting equipment and method thereof |
| CN114348852A (en) * | 2021-12-20 | 2022-04-15 | 安徽跨宇钢结构网架工程有限公司 | H-shaped steel beam erection hoisting device |
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