Disclosure of utility model
The utility model aims to overcome the defects in the prior art, and provides an embedded track lifting device, wherein two lifters are used for supporting a lifting rail hanger upwards, a lifting mechanism for clamping a steel rail is sleeved on the lifting rail hanger, the lifters are used for controlling the lifting rail hanger to ascend or descend to drive the lifting mechanism to clamp the steel rail, the problem of difficult lifting of the embedded track is solved, the safety and the clamping efficiency of clamping the steel rail are improved, and meanwhile, the construction cost is reduced.
In order to achieve the aim, the embedded track lifting device comprises a lifting rack, a limiting component, a lifter and a lifting mechanism, wherein the lifting rack is of a hollow cuboid structure, the limiting component is arranged in the middle of the upper side of the lifting rack along the length direction of the lifting rack and used for limiting the movement of the lifting mechanism, the lifter is detachably arranged on the lower sides of the left end and the right end of the lifting rack along the length direction and is convenient for the lifter to control the lifting rack to ascend or descend, the lifting mechanism is sleeved on the lifting rack and is perpendicular to the lifting rack, the top of the lifting mechanism is positioned in the limiting component, and the lower part of the lifting mechanism extends to the lower side of the lifting rack to clamp a steel rail.
Preferably, the hoisting mechanism comprises a chain block and a rail hanging clamp, the length of the chain block is set according to the initial height of the lifter, one end of the chain block bypasses the chain block with the same length at the front side and the rear side of the rail hanging frame after the rail hanging frame, and the end parts at the two ends of the chain block are connected with the rail hanging clamp.
Preferably, the length of the rail lifting frame is 700mm, the width of the rail lifting frame is 150mm, and the height of the rail lifting frame is 150mm.
Preferably, handles are welded at the left end and the right end of the rail lifting frame along the length direction, and the handles are positioned at one side of the rail lifting frame far away from the lifter.
Preferably, the limiting component comprises a first baffle and a second baffle, the first baffle and the second baffle are respectively positioned at the left side and the right side of the center of the rail lifting hanger along the length direction of the rail lifting hanger, the distances from the first baffle to the center of the rail lifting hanger are the same, the sizes of the first baffle and the second baffle are the same, and the length of the first baffle is 150mm, the width of the first baffle is 10mm, and the height of the first baffle is 50mm.
Preferably, the lifter is a hand-operated lifter, the initial height of the lifter is 700mm, and the maximum lifting height of the lifter is 300mm.
Preferably, the bottoms of the left end and the right end of the rail lifting frame are respectively provided with a clamping interface, and the sizes of the clamping interfaces are matched with the sizes of the tops of the lifters so that the lifters can conveniently pass through the clamping interfaces and then be clamped in the rail lifting frame.
Compared with the prior art, the utility model has the following advantages:
1. According to the utility model, the rail lifting hanger is supported upwards by the two lifters, the lifting mechanism for clamping the steel rail is sleeved on the rail lifting hanger, the lifters control the rail lifting hanger to ascend or descend to drive the lifting mechanism to clamp the steel rail, the problem that the embedded rail is difficult to lift is solved, the safety and the clamping efficiency of clamping the steel rail are improved, and meanwhile, the construction cost is reduced.
2. The utility model has simple manufacture, stable structure, available manufacturing materials, low manufacturing cost, safe and stable track lifting of the embedded track, reduced use of large machinery, improved track lifting efficiency and project cost saving.
3. According to the utility model, the handles are welded at the left end and the right end of the top of the track lifting frame, and the track lifting frame can be stably grabbed to move or mount through the handles, so that the convenience of mounting the track lifting device is improved.
4. The limiting component comprises a first baffle and a second baffle, wherein the first baffle and the second baffle are perpendicular to the rail lifting hanger and are used for limiting the left and right sliding of the lifting mechanism, so that the rail lifting device is prevented from being unstable due to the left and right sliding of the lifting mechanism, and accidents are avoided.
5. The lifter is a hand-operated lifter, the lifting height or the descending height of the lifter can be controlled manually, and the lifter saves energy and is convenient to operate.
The utility model is described in further detail below with reference to the drawings and examples.
Detailed Description
As shown in fig. 1 to 3, the lifting device comprises a rail lifting hanger 1, a limiting component 2, a lifter 3 and a lifting mechanism 4, wherein the rail lifting hanger 1 is of a hollow cuboid structure, the limiting component 2 is arranged in the middle of the upper side of the rail lifting hanger 1 along the length direction of the rail lifting hanger 1 and is used for limiting the movement of the lifting mechanism 4, the lifter 3 is detachably arranged on the lower sides of the left end and the right end of the rail lifting hanger 1 along the length direction so as to facilitate the lifter 3 to control the rail lifting hanger 1 to ascend or descend, the lifting mechanism 4 is sleeved on the rail lifting hanger 1 and is perpendicular to the rail lifting hanger 1, the top of the lifting mechanism 4 is positioned in the limiting component 2, and the lower part of the lifting mechanism 4 extends to the lower side of the rail lifting hanger 1 to clamp a steel rail 9.
In the embodiment, two lifters 3 are respectively erected on two sides of a steel rail 9, the left end and the right end of a rail lifting frame 1 along the length direction are installed on the tops of the two lifters 3, then a lifting mechanism 4 is sleeved on the rail lifting frame 1, the tops of the lifting mechanisms 4 are positioned in a limiting part 2, the installation of the rail lifting devices is finished, the lifting mechanism 4 is installed in the limiting part 2, the stability of the rail lifting devices is prevented from being influenced by the left and right sliding of the lifting mechanism 4, a plurality of rail lifting devices are arranged at intervals along the length direction of an embedded rail, and when the embedded rail lifting device works, the lifters 3 of each rail lifting device synchronously ascend or descend, the lifting mechanism 4 clamps the steel rail 9 at the lowest position, then the lifters 3 on the left side and the right side of each rail lifting frame 1 synchronously push the rail lifting frame 1 to ascend, the rail lifting frame 1 drives the lifting mechanism 4 to ascend, and the steel rail 9 synchronously ascend along with the lifting mechanism 4, so that the aim of clamping the steel rail 9 in the embedded rail can be achieved.
The hoisting mechanism 4 comprises a chain 5 and a rail hanging clamp 6, the length of the chain 5 is set according to the initial height of the lifter 3, one end of the chain 5 bypasses the chain 5 on the front side and the rear side of the rail hanging frame 1 after the rail hanging frame 1, and the end parts of the two ends of the chain 5 are connected with the rail hanging clamp 6.
In this embodiment, one end of the chain 5 passes through the limit baffle 2 and then reaches the other side of the rail lifting hanger 1, the lengths of the chain 5 positioned on the front side and the rear side of the rail lifting hanger 1 are the same, and the end parts of the two ends of the chain 5 are fixedly connected with the rail hanging pliers 6 to drive the rail hanging pliers 6 to move up and down. Further, a gasket is arranged at the contact part between the inner side of the rail hanging clamp 6 and the steel rail 9, so that the rail hanging clamp 6 is prevented from being directly contacted with the steel rail 9, and the steel rail 9 or the rail hanging clamp 6 is prevented from being worn.
In another possible embodiment, the lifting mechanism 4 comprises a lifting rod and a lifting rail clamp 6, the lifting rod is a cylindrical rod, a connecting ring is arranged at the bottom of the lifting rod, the lifting rod is connected with the lifting rail clamp 6 through the connecting ring, a first through hole is horizontally arranged at the top of the lifting rod near the end part, a second through hole with the same diameter as the lifting rod is arranged in the middle of the lifting rail clamp 1, after the lifting rod passes through the second through hole upwards, a limit rod penetrates into the first through hole, the length of the limit rod is larger than the diameter of the second through hole, the left end and the right end of the limit rod are located on the lifting rail clamp 1 after the limit rod penetrates into the first through hole, the limit rod is limited to slide downwards, and a fixed distance is kept between the lifting rail clamp 6 at the bottom of the lifting rod and the lifting rail clamp 1 all the time.
The rail lifting frame 1 has a length of 700mm, a width of 150mm and a height of 150mm.
The rail lifting frame 1 is formed by welding steel plates with the thickness of 10mm, the length of the steel plates is 700mm, the width of the steel plates is 150mm, and four steel plates are welded end to end along the length direction to form a cuboid.
The left end and the right end of the rail lifting frame 1 along the length direction are welded with handles 7, and the handles 7 are positioned on one side of the rail lifting frame 1 far away from the lifter 3.
In this embodiment, the handles 7 are of inverted U-shaped structure, the number of the handles 7 on each track lifting hanger 1 is two, the lengths of the transverse ends of the two handles 7 are consistent with the width of the track lifting hanger 1, the vertical end parts of the two handles 7 are welded with the left and right end parts of the top of the track lifting hanger 1 respectively, the two handles 7 are located at the left and right ends of the track lifting hanger 1 along the length direction respectively, the distances between the two handles 7 and the center of the track lifting hanger 1 are the same, and the track lifting hanger 1 can be stably grasped by the handles 7 when the track lifting hanger 1 is moved or installed conveniently.
Unlike the above embodiment, the left and right end portions of the rail lifting frame 1 in the length direction are welded with the lifting rings, and the distance between the two lifting rings and the center of the rail lifting frame 1 is the same, so that the rail lifting frame 1 can be conveniently moved or installed by grabbing the lifting rings.
The limiting component 2 comprises a first baffle 201 and a second baffle 202, the first baffle 201 and the second baffle 202 are respectively positioned at the left side and the right side of the center of the rail lifting hanger 1 along the length direction of the rail lifting hanger 1, the distances from the first baffle 201 to the center of the rail lifting hanger 1 are the same, the sizes of the first baffle 201 and the second baffle 202 are the same, the length of the first baffle 201 is 150mm, the width of the first baffle is 10mm, and the height of the first baffle 201 is 50mm.
In this embodiment, the first baffle 201 and the second baffle 202 are disposed along the length direction of the track lifting hanger 1 at intervals, the first baffle 201 and the second baffle 202 are perpendicular to the track lifting hanger 1, the length of the first baffle 201 and the length of the second baffle 202 are consistent with the width of the track lifting hanger 1, the first baffle 201 and the second baffle 202 are welded with the width direction of the track lifting hanger 1 along the length direction, so that the position of the chain 5 can be limited by the first baffle 201 and the second baffle 202 after the chain 5 passes through the space between the first baffle 201 and the second baffle 202, and the instability of the track lifting device caused by the sliding of the chain 5 along the track lifting hanger 1 is avoided.
The lifter 3 is a hand-operated lifter, the initial height of the lifter 3 is 700mm, and the maximum lifting height of the lifter 3 is 300mm.
In the embodiment, a square supporting plate is arranged at the bottom of the lifter 3, the lifter 3 is supported upwards through the supporting plate, the height of the lifter 3 before working is 700mm, the lifter 3 ascends along a lifting guide rail by a hand-operated wheel according to the height of an embedded rail after working, the maximum ascending height of the lifter 3 is 300mm, namely, the highest lifting rail hanger 1 can be pushed to move upwards by 300mm, the lifting rail hanger 1 drives the lifting rail pliers 6 to move the steel rail 9 in the embedded rail upwards by 300mm, a plurality of lifters 3 are arranged along the length direction of the embedded rail, every two lifters 3 are in a group, two lifters 3 of each group are respectively positioned at two sides of the embedded rail, each group of lifters 3 upwards support one lifting rail hanger 1, lifting mechanisms 4 are arranged on the lifting rail hanger 1 to form one lifting rail device, every two adjacent lifting rail devices are arranged at intervals along the length direction of the embedded rail, and the plurality of lifting rail devices jointly clamp one steel rail 9, so that the clamping efficiency and the clamping efficiency of the lifting rail 9 by the lifting rail device are improved.
Further, the square support plate downside of lift 3 bottom is provided with the supporting seat, and the supporting seat is solid square timber, keeps the square support plate of lift 3 flat on the supporting seat during operation to ensure rail lifting height.
In another embodiment, the bottom of the supporting plate of the lifter 3 is provided with casters, meanwhile, two sides of the bottom surface of the supporting plate are provided with hydraulic supporting legs through flanges, the casters can be contacted with the ground when the hydraulic supporting legs shrink, the casters are pushed by the casters to move the track lifting device, the casters can be separated from the ground when the hydraulic supporting legs stretch, the hydraulic supporting legs upwards support the lifter 3, the track lifting hanger 1 at the top of the lifter 3 is kept horizontal, the track lifting hanger 1 cannot be kept horizontal to cause instability of the track lifting device when the ground is not stable, and meanwhile, the track lifting device can be conveniently moved by installing the casters at the bottom of the lifter 3.
Further, in order to reduce the labor intensity of workers, the hand wheel of the hand-operated lifter can be replaced by a gear motor, the lifting rod is driven to ascend or descend by the driving shaft of the gear motor, and the distance between two adjacent track lifting devices is determined according to the output rotating speed of the gear motor, so that the aim of improving the clamping efficiency is fulfilled, and meanwhile, the labor cost is reduced.
The bottoms of the left end and the right end of the rail lifting frame 1 are respectively provided with a clamping connector 8, and the sizes of the clamping connectors 8 are matched with the sizes of the tops of the lifters 3 so that the lifters 3 can conveniently pass through the clamping connectors 8 and then are clamped in the rail lifting frame 1.
In this embodiment, all be provided with joint mouth 8 on the bottom steel sheet at the left and right sides both ends of rail lifting frame 1 along length direction, the steel sheet at rail lifting frame 1 top is sealed, all have lift 3 to penetrate in every joint mouth 8, reach in the inside fastening frame of rail lifting frame 1 after the top of lift 3 passes joint mouth 8, the fastening frame upwards extends perpendicularly along the lateral wall around joint mouth 8 and welds with the steel sheet at rail lifting frame 1 top mutually, can make lift 3 and rail lifting frame 1 fastening connection avoid lift 3 to rock about, and install the gasket in the fastening frame, avoid lift 3 direct and fastening frame contact to produce wearing and tearing, the life of extension rail lifting frame 1 and lift 3.
When the lifting frame is used, the plurality of lifters 3 are divided into a plurality of groups, the lifters 3 of the plurality of groups are arranged at intervals along the length direction of the embedded track, the two lifters 3 of each group are respectively arranged at the left side and the right side of the embedded track, the connecting lines of the two lifters 3 are perpendicular to the embedded track, the connecting modes of the two lifters 3 of each group and the lifting frame 1 are the same, namely, the clamping interfaces 8 at the bottom of the lifting frame 1 are aligned with the tops of the lifters 3, the two lifters 3 respectively penetrate into the clamping interfaces 8 at the left end and the right end of the lifting frame 1, the lifters 3 are fixedly connected with the lifting frame 1, then a lifting mechanism 4 is arranged on each lifting frame 1, namely, the chain 5 passes through the middle of the first baffle 201 and the second baffle 202, the chain 5 is positioned at the front side and the rear side of the lifting frame 1, the two ends of the chain 5 are connected with the lifting clamps 6, after the installation of the lifting frame is completed, the lifting frame 3 of each lifting frame is synchronously operated, the lifting frame 3 of each lifting frame is pushed by the lifting frame 1 to move upwards, the lifting frame 1 is successfully lifted, and the lifting frame 9 is successfully lifted, and the lifting frame 9 is synchronously moved upwards. The device has the advantages of simple structure, convenient operation and high track lifting efficiency, and reduces the construction cost while improving the construction efficiency.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, and any simple modification, variation and equivalent structural transformation of the above embodiment according to the technical substance of the present utility model still fall within the scope of the technical solution of the present utility model.