CN107585679B - Switch rail lifting appliance - Google Patents
Switch rail lifting appliance Download PDFInfo
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- CN107585679B CN107585679B CN201711062206.7A CN201711062206A CN107585679B CN 107585679 B CN107585679 B CN 107585679B CN 201711062206 A CN201711062206 A CN 201711062206A CN 107585679 B CN107585679 B CN 107585679B
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- 238000003825 pressing Methods 0.000 claims abstract description 14
- 230000008602 contraction Effects 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 9
- 230000037431 insertion Effects 0.000 claims description 9
- 230000013011 mating Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 5
- 229910000831 Steel Inorganic materials 0.000 description 12
- 239000010959 steel Substances 0.000 description 12
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The invention relates to a point rail lifting appliance in the field of railway construction devices, wherein a main lifting assembly and an auxiliary main lifting assembly are arranged at intervals on the lower side of a lifting beam; the main hoisting assembly comprises a main supporting plate connected to the hoisting beam, main sliding blocks are respectively arranged on two sides of the extending end of the main supporting plate and are slidably arranged in a sliding groove of a lower supporting frame, clamping heads are symmetrically hinged to the lower supporting frame, the lower end of the main supporting plate is also connected with a stroke shutter, and the movable head of the stroke shutter is positioned between the two clamping heads and can move up and down; the lower side of the upper hanging plate of the auxiliary lifting assembly is connected with a lower hanging plate, a guide rail is arranged on the lower hanging plate, a pull rod is arranged in the guide rail in a matched manner, and the pull rod is linked with the pressing plate, so that a lateral opening for clamping the switch rail is formed between the lower hanging plate and the pressing plate; the main hoisting assembly is arranged at a position corresponding to the basic section position of the switch rail to be hoisted, and the auxiliary hoisting assembly is arranged at a position corresponding to the contracted section position of the switch rail. The invention can conveniently hoist the switch rail, and is suitable for high-speed rail construction.
Description
Technical Field
The invention relates to a lifting appliance for lifting steel rails, in particular to a steel rail lifting appliance for high-speed rail construction.
Background
At present, the mileage of high-speed rail operation in China is about 60% of the mileage of global operation, and because the operation time of high-speed rail operation in China is short, the abrasion of the straight line section of the steel rail is small and does not reach the replacement standard, but at the positions of curves and turnouts, the abrasion is large, the switch rail needs to be replaced on part of road sections, the switch rail mainly comprises a basic section and a contracted section, the section of the basic section is generally I-shaped, the waist of the basic section is provided with a concave, the contracted section gradually contracts from the basic section to the end part, the length of the contracted section is about 14m, and the on-site hoisting is difficult because of the irregular shape of the contracted section.
In the Chinese patent database, a single steel rail sling is disclosed, the application number of which is: 200820034624.5; filing date: 2008-04-15; the device comprises an upper yoke plate and a hook plate, wherein the upper yoke plate and the hook plate are respectively pairwise and symmetrically arranged in left and right, the upper ends of the upper yoke plates are hinged through upper pin shafts, the upper ends of the hook plates are in one-to-one correspondence with the upper yoke plates and are hinged through left and right pin shafts, the lower ends of the hook plates are respectively provided with hook heads capable of clamping steel rails, the four hook plates are hinged through lower pin shafts, a hinging point between the lower pin shafts and the hook plates is positioned at the upper side of the hook heads, a stroke shutter is arranged between the upper pin shafts and the lower pin shafts, the stroke shutter comprises a sleeve, a rotating shaft is arranged in the sleeve in a matched manner, the upper ends of the sleeve are relatively fixed with the upper pin shafts, the lower ends of the rotating shaft are connected with the lower pin shafts through rotatable joints, a circumferential groove is formed in the rotating shaft, after the circumferential groove is circumferentially unfolded in an X-Y coordinate system, the upper wall surface and the lower wall surfaces of the circumferential groove are arranged in a zigzag wave, the wave crest and the trough of the zigzag wave are in one-to-even number, and the crest Y of the zigzag wave crest of the zigzag wave on the upper wall surface axially corresponds to the descending segment of the zigzag wave on the lower wall surface; a longitudinal straight groove extending upwards along the surface of the rotating shaft is arranged at each crest on the upper wall surface, at least one guide pin shaft with the diameter smaller than the width of the longitudinal straight groove is arranged on the side surface of the sleeve, and the guide pin shaft is inserted into the circumferential groove along the radial direction of the sleeve. When the lifting device starts to work, the hook heads keep opening to lift the device upwards so as to break out and lift the lifting ring, then the lifting ring is put down from the right upper side of the steel rail, the hook plate at the lower pin shaft contacts the steel rail and continues to descend, the rotating shaft moves upwards relative to the sleeve, the guide pin shaft moves downwards relative to the rotating shaft, the rotating shaft is pushed to rotate a certain angle until the guide pin shaft reaches the trough of the saw-tooth wave on the lower wall surface, the hook heads keep opening, then the lifting ring is lifted upwards, under the action of gravity, the lower end of the upper connecting plate and the hook plate move downwards relative to the upper pin shaft, the rotating shaft moves downwards relative to the sleeve, and when the rotating shaft moves downwards, the guide pin shaft moves upwards relative to the rotating shaft from the trough of the saw-tooth wave on the lower wall surface to contact the upper wall surface to the upper wall surface of the axial groove, and moves upwards along the ascending section of the saw-tooth wave on the upper wall surface, the rotating shaft is pushed to rotate a certain angle, the guide pin shaft enters the longitudinal straight groove, at this moment, the hook heads at the left and right sides can move oppositely to clamp the steel rail, the lifting ring can be safely lifted when the lifted steel rail needs to be lifted downwards, the whole device is lifted downwards, after the steel rail contacts the supporting surface, the steel rail moves upwards, the sleeve moves upwards relative to the trough of the saw-tooth wave groove moves downwards, the saw-tooth wave groove moves upwards relative to the rotating shaft, the saw-tooth wave groove moves downwards relative to the rotating shaft, and reaches a certain angle of the rotating shaft, and moves upwards along the straight groove, and rotates upwards, and rotates downwards, until the guide pin shaft reaches a crest of the saw-tooth wave adjacent to the longitudinal straight groove which is just separated on the upper wall surface, at the moment, the hook head keeps in an open state, and the whole device can be pulled up for preparing for the next lifting of the steel rail. The invention pulls up and puts down once, the travel shutter acts once, the hook head can be exchanged between the open and locking states, the pulling up and putting down once can automatically finish the open and the tightening of the hook head, the operator is not required to manually open the hook head on site, and the working efficiency is improved.
The defects are that: the upper connecting plate and the hook plate of the device are connected in a hinged mode, and are not suitable for hoisting the switch rail.
Disclosure of Invention
The invention aims to provide a point rail lifting appliance, which can rapidly and safely lift a point rail.
The purpose of the invention is realized in the following way: the point rail lifting appliance comprises a lifting beam, wherein a main lifting assembly and an auxiliary main lifting assembly are arranged on the lower side of the lifting beam at intervals; and (3) a main hoisting assembly: the main support plate is connected to the hanging beam, the main support plate extends out from the lower side of the hanging beam, main sliding blocks are respectively arranged on two sides of the extending end of the main support plate and are slidably arranged in sliding grooves of a lower support frame, two clamping heads for clamping a basic section of a switch rail are symmetrically hinged to the lower support frame, a stroke shutter is further connected to the lower end of the main support plate, the stroke shutter comprises a movable head arranged at the lower end, the movable head is located between the two clamping heads and can move up and down, and when the clamping heads clamp the basic section and the movable head is inserted between the two clamping heads, the two clamping heads are locked; when the movable head is separated from the space between the two chucks, the two chucks can rotate and release the switch rail; the clamp comprises an arc-shaped clamping part and a driving part, when the clamp moves downwards to enable the driving part to contact the basic section of the switch rail, the switch rail drives the clamp to rotate through the driving part, so that the clamping part rotates and stretches into the waist depression of the basic section; auxiliary hoisting assembly: the device comprises an upper hanging plate connected to a hanging beam, wherein the lower side of the upper hanging plate is connected with a lower hanging plate, a guide rail is arranged on the lower hanging plate, a pull rod is arranged in the guide rail in a matched manner, one end of the pull rod extends out of a back plate and is connected with a handle, the pull rod is hinged with the upper end of a connecting rod, the lower end of the connecting rod is hinged with one end of a pressing plate, the other end of the pressing plate is hinged on the lower hanging plate, and a lateral opening for clamping a point rail contraction section is formed between the lower end of the lower hanging plate and the pressing plate; the setting position of the main hoisting component corresponds to the basic section position of the switch rail to be hoisted, and the setting position of the auxiliary hoisting component corresponds to the contracted section position of the switch rail; and the hanging beam is also connected with a hanging belt for hanging the hanging beam.
When the invention works, the invention can be divided into two local working modes, one of which is: for the contraction section of the switch rail, the contraction section is clamped into the lateral opening, the pull rod is pulled by the handle, slides along the guide rail and presses the lateral surface of the contraction section through the connecting rod driving pressing plate, and then the handle is locked, so that the contraction section is fixed. And the second is: when the hanging beam is lowered above the switch rail, the clamp head moves downwards to contact the switch rail, the switch rail drives the clamp head to rotate through the driving part, so that the clamping part stretches into the waist depression of the basic section, at the moment, the hanging beam is continuously lowered, the main sliding block moves in the sliding groove, the movable head is inserted between the two clamp heads, the hanging beam is continuously lowered, the stroke shutter is triggered, at the moment, the hanging beam is lifted, the movable head does not ascend along with the ascending of the hanging beam, and the two clamp heads are locked, so that the switch rail can be lifted; when the switch rail needs to be released, the hanging beam is downwards released, the switch rail firstly touches the ground, and then the stroke shutter acts again, so that the movable head rises along with the rising of the hanging beam, and when the hanging beam is lifted again, the movable head is separated from the clamping head and is upwards pulled, and the clamping head rotates and releases the switch rail. The two modes work cooperatively and can smoothly hoist the switch rail. In the device, the stroke shutter is consistent with the working mode of the stroke shutter in the prior art, the stroke shutter is pulled up and put down once, the stroke shutter acts once, so that the clamping heads can be exchanged between locking and releasing states, the stroke shutter is pulled up and put down once, the lifting and the releasing of the switch rail are automatically completed, and the operation is convenient. The invention can be used for hoisting the switch rail, is suitable for railway construction, and is especially suitable for high-speed rail construction.
As a further improvement of the invention, two auxiliary sliding grooves which are horizontally arranged are arranged on the lower hanging plate, two hanging plate pins which are inserted on the upper hanging plate pass through the corresponding auxiliary sliding grooves, the lower hanging plate is also provided with two positioning inserting holes, the positioning pins which pass through the upper hanging plate are inserted in any positioning inserting holes, and a connecting line between the centers of the two positioning inserting holes is parallel to the axis of the auxiliary sliding grooves. After the locating pin is pulled out, the hanger plate pin can be at the sliding position of the auxiliary sliding groove, so that the lateral opening can move to the point rail from the side surface of the contracted section of the point rail, and the locating pin can be inserted at the interchange position of the two locating insertion holes, thereby conveniently locking the upper hanger plate and the lower hanger plate and further facilitating hoisting.
In order to facilitate locking the contraction section of the switch rail, the handle is rectangular, an orifice which can just accommodate the insertion of the handle is longitudinally arranged on the back plate, the handle is in threaded connection with the pull rod, and the handle can rotate by an angle and is abutted against the back plate after being pulled out of the orifice. The turning handle locks the point rail when the pressure plate presses against the side of the converging section of the point rail. Further, the tooth mouth is arranged at the contact position of the pressing plate and the side face of the point rail, so that the locking can be better performed.
As a further improvement of the invention, the movable head is provided with a first guide pin, the lower support frame is longitudinally provided with a first guide groove, and the first guide pin is matched and arranged in the first guide groove. The stable and reliable movement of the movable head between the inserting chucks and the separating chucks is ensured through the stable guide of the first guide pin.
As a further improvement of the invention, the auxiliary support body is provided with a second guide pin, the auxiliary sliding block is longitudinally provided with a second guide groove, and the second guide pin is matched and arranged in the second guide groove. The positions of the second guide pin and the second guide groove are also interchangeable, namely the second guide groove is arranged on the auxiliary support body, the second guide pin is longitudinally arranged on the auxiliary sliding block, and the second guide pin is matched and arranged in the second guide groove.
In order to further maintain the hoisting balance, two hanging strips are symmetrically arranged on two sides of the center of the hanging beam.
In order to avoid the impact of the clamping heads on the switch rail in the hoisting process, the lower support frame is provided with a limiting block, and when the clamping heads rotate to touch the limiting block, an opening between the two clamping heads can just clamp the switch rail. Through the control of manufacturing size for when the chuck touches the stopper, the clearance that forms between the clamping part is slightly greater than the thickness of the waist concave position of switch rail, can avoid the direct striking switch rail of clamping part like this, causes the damage.
In order to ensure reliable connection and convenient maintenance, the main support plate and the auxiliary support body are connected to the middle part of the section of the hanging beam through two pin shafts which are arranged in parallel.
In order to facilitate the clamping of the tip rail into the clamping part, the lower end of the lower support frame is provided with a notch matched with the shape of the upper side of the tip rail.
The invention further improves that the main sliding block is an inverted T-shaped block, and two cantilevers of the T-shaped block are matched and arranged in the sliding groove of the lower supporting frame. The T-shaped block has balanced stress, convenient manufacture and high bearing capacity.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is a B-B view of fig. 1.
Fig. 3 is a schematic diagram of the operation of the clamp head when clamping the point rail.
Fig. 4 is a schematic diagram of the operation of the clip when releasing the point rail.
Fig. 5 is a schematic view of the structure of the lower support frame.
Fig. 6 is a view from A-A of fig. 1, showing a schematic structural view of the auxiliary lifting assembly.
Fig. 7 is a schematic diagram of the operation of the auxiliary lifting assembly.
Fig. 8 is a second schematic diagram of the operation of the auxiliary lifting assembly.
Fig. 9 is a perspective view of the auxiliary hoist assembly.
Fig. 10 is a perspective view of the auxiliary lifting assembly with one side of the lower lifting plate removed.
Fig. 11 is a perspective view of a second auxiliary lifting assembly with one side lower lifting plate removed.
The lifting beam comprises a lifting beam 1, a main lifting assembly 2, a pin shaft I, a main supporting plate 202, a T-shaped block 203a cantilever, a lower supporting frame 204, a sliding groove 204, a guiding groove I, a notch 204c 205, a hinge shaft 206, a clamping head 206, a driving part 206b clamping part 207, an auxiliary lifting assembly 3, an upper lifting plate 301, a lifting plate pin 302, an auxiliary sliding groove 303, a positioning pin 304, a positioning inserting hole 305, a handle 306, a connecting rod 307, a pressing plate 308, a lateral opening 309, a pull rod 310, a lower lifting plate 311, a guide rail 312, a back plate 313, a hole 314, a 4 hanging strip, a 5-stroke shutter 501 upper connector 502, a movable head 502, a 6-point rail and a contraction section 6 a.
Detailed Description
As shown in fig. 1-6, the point rail lifting appliance is provided with three groups of main lifting components 2 and two groups of auxiliary lifting components 3 at equal intervals on the lower side of a lifting beam 1;
the main hoisting assembly 2 comprises a main support plate 202 connected to the hanging beam 1, the main support plate 202 extends out from the lower side of the hanging beam 1, the main support plate 202 is connected to the middle part of the section of the hanging beam 1 through two pin shafts 201 which are arranged in parallel, main sliding blocks are respectively arranged on two sides of the extending end of the main support plate 202, the main sliding blocks are inverted T-shaped blocks 203, two cantilevers 203a of the T-shaped blocks 203 are matched and arranged in sliding grooves 204a of a lower support frame 204, two clamping heads 206 for clamping a point rail 6 are symmetrically hinged on the lower support frame 204 through a hinging shaft 205, the lower end of the main support plate 202 is also connected with a stroke shutter 5 through an upper connector 501, the stroke shutter 5 comprises a movable head 502 arranged at the lower end, the movable head 502 is positioned between the two clamping heads 206 and can move up and down, and when the clamping heads 206 clamp a point rail 6 and the movable head 502 is inserted between the two clamping heads 206, the two clamping heads 206 are locked; when the movable head 502 is separated from the position between the two clamping heads 206, the two clamping heads 206 can rotate and release the switch rail 6; the movable head 502 is provided with a first guide pin, the lower support frame 204 is longitudinally provided with a first guide groove 204b, and the first guide pin is matched in the first guide groove 204 b; the clamp 206 includes an arcuate clamping portion 206b and a driving portion 206a, and when the clamp 206 is moved downwardly to bring the driving portion 206a into contact with the point rail 6, the point rail 6 rotates the clamp 206 by the driving portion 206a, causing the clamping portion 206b to rotate and extend into the lumbar depression of the converging section of the point rail 6.
The auxiliary lifting assembly 3 comprises an upper lifting plate 301 connected to the lifting beam 1, a lower lifting plate 311 is connected to the lower side of the upper lifting plate 301, a guide rail 312 is arranged on the lower lifting plate 311, a pull rod 310 is arranged in the guide rail 312 in a matched manner, one end of the pull rod 310 extends out of a back plate 313 and is connected with a handle 306, the pull rod 310 is hinged with the upper end of a connecting rod 307, the lower end of the connecting rod 307 is hinged with one end of a pressing plate 308, the other end of the pressing plate 308 is hinged to the lower lifting plate 311, two lower lifting plates 311 are arranged, and a lateral opening 309 for clamping a point rail contraction section is formed between the lower end of the lower lifting plate 311 and the pressing plate 308; the lower hanger plate 311 is provided with two auxiliary sliding grooves 303 which are horizontally arranged, two hanger plate pins 302 which are inserted on the upper hanger plate 301 pass through the corresponding auxiliary sliding grooves 303, the lower hanger plate 311 is also provided with two positioning insertion holes 305, the positioning pins 304 which pass through the upper hanger plate 301 are inserted in any positioning insertion hole 305, and a connecting line between the centers of the two positioning insertion holes 305 is parallel to the axis of the auxiliary sliding grooves 303. The handle 306 is rectangular, the back plate 313 is longitudinally provided with an orifice 314 which can just accommodate the insertion of the handle 306, the handle 306 is in threaded connection with the pull rod 310, and the handle 306 can be rotated by an angle and is abutted against the back plate 313 after being pulled out of the orifice 314. A tooth is also provided where the pressure plate 308 contacts the side of the point rail.
The main hoisting assembly 2 is arranged in a position corresponding to the basic section of the point rail 6 to be hoisted and the auxiliary hoisting assembly 3 is arranged in a position corresponding to the contracted section 6a of the point rail 6.
The hanging beam 1 is also connected with two hanging strips 4 for hanging the hanging beam 1, and the two hanging strips 4 are symmetrically arranged on two sides of the center of the hanging beam 1.
The lower support frame 204 is provided with a limiting block 207, the limiting block 207 is arranged to block the clamping heads 206, and the limiting block can be arranged on one side or two sides, and when the clamping heads 206 rotate to touch the limiting block 207, an opening between the two clamping heads 206 can just clamp the switch rail 6. By controlling the manufacturing size, when the clamping head 206 touches the limiting block 207, the gap formed between the clamping portions 206b is slightly larger than the thickness of the waist-concave position of the switch rail 6, so that the clamping portions 206b can be prevented from directly striking the switch rail 6 to cause damage.
The lower end of the lower supporting frame 204 is provided with a notch 204c which is matched with the shape of the upper side of the switch rail 6.
In operation, the system can be divided into two local operation modes. One is: for the contracted section 6a of the point rail, the contracted section 6a is first snapped into the lateral opening 309, the pull rod 310 is pulled by the handle 306, the pull rod 310 slides along the rail 312 and drives the pressure plate 308 via the connecting rod 307 to press against the side of the contracted section, and then the handle 306 is locked, thereby allowing the contracted section to be fixed. After the positioning pin 304 is pulled out, the hanger plate pin 302 can slide in the auxiliary sliding groove 303, so that the lateral opening 309 can move from the side surface of the contracted section of the point rail to the point rail, and the positioning pin 304 can be inserted in the interchange position of the two positioning inserting holes 305, thereby conveniently locking the upper hanger plate 301 and the lower hanger plate 311; the turning handle 306 locks the point rail when the pressure plate 308 presses against the side of the converging section 6a of the point rail. The reverse operation releases the contracted section 6a of the point rail. And the second is: when the hanging beam 1 is lowered above the switch rail 6, and the clamping heads 206 move downwards to contact the switch rail 6, the switch rail 6 drives the clamping heads 206 to rotate through the driving part 206a, so that the clamping part 206b stretches into the waist depression of the switch rail 6, at the moment, the hanging beam 1 is continuously lowered, the main sliding block moves in the sliding groove 204a, so that the movable head 502 is inserted between the two clamping heads 206, the hanging beam 1 is continuously lowered, the stroke shutter 5 is triggered to act, at the moment, the hanging beam 1 is lifted, the movable head 502 does not lift along with the lifting of the hanging beam 1, and the two clamping heads 206 are locked, so that the switch rail 6 can be lifted; when the switch rail 6 needs to be released, the hanging beam 1 is lowered, the switch rail 6 touches the ground, then the travel shutter 5 acts again, so that the movable head 502 rises along with the rising of the hanging beam 1, and when the hanging beam 1 is lifted again, the movable head 502 is pulled upwards away from the clamping head 206, and the clamping head 206 rotates and releases the switch rail 6. The two modes work cooperatively and can smoothly hoist the switch rail.
In this device, the stroke shutter 5 is consistent with the working mode of the stroke shutter 5 in the prior art (see patent ZL200820034624.5 and ZL 200520070269.3), and is pulled up and put down once, and the stroke shutter 5 acts once, so that the clamping head 206 can be exchanged between the locking and releasing states, and the lifting and the releasing of the switch rail are automatically completed once, and the operation is convenient.
The invention is not limited to the above embodiments, and based on the technical solution disclosed in the invention, a person skilled in the art may make some substitutions and modifications to some technical features thereof without creative effort according to the technical content disclosed, and all the substitutions and modifications are within the protection scope of the invention. For example, the sling may be replaced directly with an equivalent replacement by a wire, chain, rope, or the like. The main hoisting assembly and the auxiliary hoisting assembly are not limited to 2 groups and 3 groups, and can be any group.
Claims (7)
1. The point rail lifting appliance is characterized by comprising a lifting beam, wherein a main lifting assembly and an auxiliary lifting assembly are arranged on the lower side of the lifting beam at intervals;
and (3) a main hoisting assembly: the main support plate is connected to the hanging beam, the main support plate extends out from the lower side of the hanging beam, main sliding blocks are respectively arranged on two sides of the extending end of the main support plate and are slidably arranged in sliding grooves of a lower support frame, two clamping heads for clamping a basic section of a switch rail are symmetrically hinged to the lower support frame, a stroke shutter is further connected to the lower end of the main support plate, the stroke shutter comprises a movable head arranged at the lower end, the movable head is located between the two clamping heads and can move up and down, and when the clamping heads clamp the basic section and the movable head is inserted between the two clamping heads, the two clamping heads are locked; when the movable head is separated from the space between the two chucks, the two chucks can rotate and release the switch rail; the clamp comprises an arc-shaped clamping part and a driving part, when the clamp moves downwards to enable the driving part to contact the basic section of the switch rail, the switch rail drives the clamp to rotate through the driving part, so that the clamping part rotates and stretches into the waist depression of the basic section;
auxiliary hoisting assembly: the device comprises an upper hanging plate connected to a hanging beam, wherein the lower side of the upper hanging plate is connected with a lower hanging plate, a guide rail is arranged on the lower hanging plate, a pull rod is arranged in the guide rail in a matched manner, one end of the pull rod extends out of a back plate and is connected with a handle, the pull rod is hinged with the upper end of a connecting rod, the lower end of the connecting rod is hinged with one end of a pressing plate, the other end of the pressing plate is hinged on the lower hanging plate, and a lateral opening for clamping a point rail contraction section is formed between the lower end of the lower hanging plate and the pressing plate;
the setting position of the main hoisting component corresponds to the basic section position of the switch rail to be hoisted, and the setting position of the auxiliary hoisting component corresponds to the contracted section position of the switch rail;
and the hanging beam is also connected with a hanging belt for hanging the hanging beam.
2. The switch rail hanger of claim 1, wherein the lower hanger plate is provided with two auxiliary sliding grooves horizontally arranged, two hanger plate pins inserted on the upper hanger plate pass through the corresponding auxiliary sliding grooves, the lower hanger plate is further provided with two positioning insertion holes, the positioning pin passing through the upper hanger plate is inserted in any positioning insertion hole, and a connecting line between centers of the two positioning insertion holes is parallel to an axis of the auxiliary sliding groove.
3. A point rail hanger as claimed in claim 2, wherein the handle is rectangular, the back plate is longitudinally provided with an opening for receiving the handle, the handle is threadedly connected to the tie rod, and the handle is rotated by an angle and abuts against the back plate after being pulled out of the opening.
4. A point rail hanger as claimed in any one of claims 1 to 3, wherein the movable head is provided with a first guide pin, and the lower support frame is provided with a first guide slot longitudinally, said first guide pin being disposed in the first guide slot in a mating manner.
5. A point rail hanger as claimed in any one of claims 1 to 3, wherein the lower support frame is provided with a stopper, and the opening between the two jaws is adapted to grip the point rail when the jaws are rotated against the stopper.
6. A point rail hanger as claimed in any one of claims 1 to 3, wherein the lower end of the lower support bracket is provided with a recess which matches the shape of the upper side of the point rail.
7. A point rail hanger as claimed in any one of claims 1 to 3, wherein the main slider is an inverted T-shaped block, the two arms of the T-shaped block being disposed in engagement in the runner of the lower support frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711062206.7A CN107585679B (en) | 2017-11-02 | 2017-11-02 | Switch rail lifting appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711062206.7A CN107585679B (en) | 2017-11-02 | 2017-11-02 | Switch rail lifting appliance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107585679A CN107585679A (en) | 2018-01-16 |
| CN107585679B true CN107585679B (en) | 2024-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711062206.7A Active CN107585679B (en) | 2017-11-02 | 2017-11-02 | Switch rail lifting appliance |
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| CN (1) | CN107585679B (en) |
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| CN201990369U (en) * | 2011-01-14 | 2011-09-28 | 扬州市神力吊具制造有限公司 | Scissors type pipe pile mould lifting tool |
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| CN207844883U (en) * | 2017-11-02 | 2018-09-11 | 扬州市神力吊具制造有限公司 | A kind of tongue suspender |
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2017
- 2017-11-02 CN CN201711062206.7A patent/CN107585679B/en active Active
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|---|---|---|---|---|
| CN201198439Y (en) * | 2008-04-15 | 2009-02-25 | 扬州市神力吊具制造有限公司 | Single steel rail sling |
| CN201198435Y (en) * | 2008-04-15 | 2009-02-25 | 扬州市神力吊具制造有限公司 | Mechanical box type single steel rail sling |
| CN201678365U (en) * | 2010-05-11 | 2010-12-22 | 武汉利德测控技术股份有限公司 | Safety type railway track lifting appliance |
| CN201990369U (en) * | 2011-01-14 | 2011-09-28 | 扬州市神力吊具制造有限公司 | Scissors type pipe pile mould lifting tool |
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| Publication number | Publication date |
|---|---|
| CN107585679A (en) | 2018-01-16 |
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