CN217642393U - Mechanical lifting crossing frame - Google Patents
Mechanical lifting crossing frame Download PDFInfo
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- CN217642393U CN217642393U CN202220338045.XU CN202220338045U CN217642393U CN 217642393 U CN217642393 U CN 217642393U CN 202220338045 U CN202220338045 U CN 202220338045U CN 217642393 U CN217642393 U CN 217642393U
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- shearing fork
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- 238000010008 shearing Methods 0.000 claims description 29
- 230000001681 protective effect Effects 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 4
- 239000000835 fiber Substances 0.000 abstract description 4
- 230000002787 reinforcement Effects 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 206010057071 Rectal tenesmus Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 208000012271 tenesmus Diseases 0.000 description 1
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Abstract
The utility model provides a mechanical lifting crossing structure, which comprises a first scissor-type lifting frame, a second scissor-type lifting frame and a bridging structure positioned between the two scissor-type lifting frames; the first fork type lifting frame work platform and the second fork type lifting frame work platform are arranged on two sides of the barrier, the first fork type lifting frame work platform and the second fork type lifting frame work platform are connected through a bridging structure, cables which are distributed at the wire discharging end of the work platform are conveyed to the wire collecting end of the work platform, and reinforcement between the two work platforms is implemented. The utility model discloses a set up first fork crane, the fork crane is cut to the second and be located two and cut the structure of taking a bridge between the fork crane, do not need artifical transport can whole portable removal, reduce the manual work and set up the link, greatly reduced and set up the cycle, when having solved obstacles such as strideing across low pressure or optic fibre, the electric shock of existence is dangerous, low pressure circuit or optic fibre damage, take and stride across the frame with high costs, take time scheduling problem.
Description
Technical Field
The utility model relates to a technical field of power line construction especially relates to a mechanical lifting crossing structure.
Background
When the current power transmission line works, obstacles such as roads, rivers, communication lines, power lines and the like often need to be crossed, and in order to ensure that the conducting wires are not damaged, a crossing frame needs to be erected for crossing. At present, most of crossing frames are erected to adopt scaffolds or bamboo pole frames and the like, the crossing frames are erected by adopting the methods, time and labor are wasted, the erection difficulty is high, especially, construction is performed under the condition of power failure, the time requirement is high, the crossing frames which are erected manually cannot meet the time requirement, and the operation efficiency is reduced.
Through research and study, no simple crossing device meeting the requirement exists in China, and the research is needed.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a mechanical over-and-under type crossing structure to solve prior art and waste time, hard, and build the defect that the degree of difficulty is big.
An embodiment of the utility model provides a mechanical over-and-under type crossing structure, this mechanical over-and-under type crossing structure includes: the device comprises a first scissor type lifting frame, a second scissor type lifting frame and a bridging structure positioned between the first scissor type lifting frame and the second scissor type lifting frame; the first scissor-type lifting frame and the second scissor-type lifting frame are positioned on two sides of an obstacle, and both the first scissor-type lifting frame and the second scissor-type lifting frame comprise a supporting seat, a multi-stage scissor-type arm group, a telescopic hydraulic rod and an operation platform; each level of shearing fork arm group comprises two sets of symmetrically arranged shearing fork arms, each set of shearing fork arms comprises an outer shearing fork arm and an inner shearing fork arm, and the upper and lower levels of shearing fork arm groups are connected through a hinged shaft; two outer scissor arms of the scissor arm group of the first stage are rotatably connected with the supporting seat, and two inner scissor arms are slidably connected with the supporting seat; two outer shearing fork arms of the shearing fork arm group at the uppermost stage are rotatably connected with the operation platform, and two inner shearing fork arms are slidably connected with the operation platform; the lower end of the telescopic hydraulic rod is connected with a support base or a support cross rod of a lower-stage scissor arm set, and the upper end of the telescopic hydraulic rod rotates to be connected with the support cross rod of the first-stage scissor arm set or the support cross rod of a higher-stage scissor arm set or is connected with the bottom surface of the operation platform; the bridging structure is connected with the first working platform of the scissor type lifting frame and the second working platform of the scissor type lifting frame.
Optionally, the lower ends of two outer scissor arms of the first-stage scissor arm group are provided with rotating shafts, and the supporting seat is provided with a connecting rod of the rotating shaft; the lower ends of two inner shearing fork arms of the first-stage shearing fork arm group are provided with rollers, and the supporting seat is provided with a track for the movement of the rollers; the lower ends of two outer scissor arms of the scissor arm group at the uppermost stage are provided with rotating shafts, and the working platform is provided with a connecting rod of the rotating shafts; and rollers are arranged at the lower ends of the two inner scissor arms of the scissor arm group at the uppermost stage, which is connected with the operation platform, two parallel tracks are arranged on the back surface of the operation platform, and the two parallel tracks guide the movement of the rollers.
Optionally, the bridging structure comprises at least two parallel telescopic pipes or plates, and the parallel telescopic pipes or plates are connected with the telescopic wire guiding wheels arranged side by side through nuts on the outer sides of the parallel telescopic pipes or plates, wherein the tail ends of the at least two parallel telescopic pipes or plates are transversely and fixedly connected, and the transverse connecting rod is provided with at least four buckles for insulating traction ropes.
Optionally, the first scissor-fork type crane operation platform is directly connected with the at least two parallel telescopic pipes or plates; the second scissor type lifting frame operation platform is provided with an inlet and an outlet which are matched with the at least two parallel telescopic pipes or plates.
Optionally, the at least two parallel telescopic pipes or plates are provided with an insulating anti-falling net.
Optionally, a hinged seat is mounted on the supporting cross rod rotatably connected with the upper end of the telescopic hydraulic rod, the hinged seat is two parallel and opposite ear plates, and the ear plates are provided with corresponding through holes; and a hydraulic rod fixing shaft is arranged on the supporting cross rod which is rotatably connected with the lower end of the telescopic hydraulic rod.
Optionally, at least four supporting columns are arranged around the supporting seat, each supporting column comprises a supporting arm, an external thread sleeve and an internal threaded rod, one end of each supporting column is rotatably connected with the supporting seat, and the other end of each supporting column is fixedly connected with the external thread sleeve; the supporting seat is characterized in that the lower end of the inner threaded rod is provided with a disc-shaped supporting column, the outer thread sleeve and the inner thread rod can adjust the extension length of the inner thread rod at the lower end of the outer thread sleeve through thread fit, the supporting seat is further provided with a horizontal adjusting display button, and the horizontal adjusting display button can display that the four supporting columns are arranged around the supporting seat in a horizontal position.
Optionally, walking wheel and walking wheel drive mechanism are still installed to the supporting seat, wherein, the walking wheel outer wall is provided with rubber scotch block.
Optionally, a protective fence is arranged on the periphery of the operation platform, and at least four groups of pulleys are arranged on the protective fence along the wire conveying direction; wherein, the pulley with insulating haulage rope cooperation.
Optionally, the supporting seat is provided with an emergency pressure relief valve.
The embodiment of the utility model provides a mechanical over-and-under type crossing structure has following beneficial effect:
(1) The utility model provides a pair of mechanical over-and-under type crossing structure cuts the fork crane, second through setting up first cut the fork crane, the second cuts the fork crane and is located first cut the fork crane with the second cuts the structure of taking a bridge between the fork crane, does not need the manual work to build, can wholly portable removal, has greatly reduced and has set up the cycle, when having solved obstacles such as crossing over low pressure or optic fibre, the electric shock that exists is dangerous, low pressure circuit or optic fibre damage, take the crossing structure with high costs, waste time scheduling problem.
(2) The utility model provides a pair of mechanical over-and-under type crossing structure, through setting first cut the fork crane the setting of fork crane is cut to the second, has reduced occupation to the site space, and the staff climbing crossing structure has been avoided in the design of mechanical over-and-under type working method, operation platform simultaneously, provides safe and reliable's operational environment and working space.
(3) The utility model provides a pair of mechanical over-and-under type crossing structure, through taking the bridge structure with the setting of pulley for the cable can realize crossing barrier transmission simply, swiftly.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a front view of a mechanical lifting crossing structure according to a preferred embodiment of the present invention.
Fig. 2 is a top view of a mechanical lifting crossing structure according to a preferred embodiment of the present invention.
Fig. 3 is a side view of a mechanical lifting crossing structure according to a preferred embodiment of the present invention.
Fig. 4 is a partial schematic view of a telescopic rod and a telescopic wire wheel of a mechanical lifting crossing frame according to a preferred embodiment of the present invention.
Fig. 5 is a schematic view of the overall structure of a mechanical lifting crossing structure according to a preferred embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
As shown in fig. 1-4, a mechanical lifting type spanning frame comprises a first scissor type lifting frame 1, a second scissor type lifting frame 2 and a bridging structure 3 positioned between the first scissor type lifting frame and the second scissor type lifting frame; the first scissor type lifting frame 1 and the second scissor type lifting frame 2 are positioned on two sides of an obstacle, and the first scissor type lifting frame 1 and the second scissor type lifting frame 2 respectively comprise a supporting seat 11, a multi-stage scissor type arm set 12, a telescopic hydraulic rod 13 and a working platform 14; each stage of the scissors arm set 12 comprises two symmetrically arranged scissors arms 111, each group of the scissors arms 111 comprises an outer scissors arm 111a and an inner scissors arm 111b, the outer scissors arms 111a and the inner scissors arms 111b are connected through hinge shafts to form an X shape, and the upper and lower stages of the scissors arm sets 12 are connected through hinge shafts; the lower ends of two outer scissor arms 111a of the first-stage scissor arm set 12 are provided with a rotating shaft, the supporting base 11 is provided with a connecting rod of the rotating shaft, the two outer scissor arms 111a of the first-stage scissor arm set 12 are rotatably connected with the supporting base 11, the lower ends of two inner scissor arms 111b of the first-stage scissor arm set 12 are provided with rollers, the supporting base 11 is provided with a track for the movement of the rollers, and the two inner scissor arms 111b are slidably connected with the supporting base 11; the lower ends of the two outer scissor arms 111a of the scissor arm group 12 at the uppermost stage are provided with rotating shafts, the working platform 14 is provided with connecting rods of the rotating shafts, so that the two outer scissor arms 111a of the scissor arm group 12 at the uppermost stage are rotatably connected with the working platform 14, the lower ends of the two inner scissor arms 111b of the scissor arm group 12 at the uppermost stage connected with the working platform 14 are provided with rollers, the back of the working platform 14 is provided with two parallel rails, and the two parallel rails guide the movement of the rollers, so that the two inner scissor arms 111b are slidably connected with the working platform 14; the lower end of the telescopic hydraulic rod 13 is hinged with the support base 11 or the support cross rod 15 of the lower-level scissor arm set 12, the upper end of the telescopic hydraulic rod 13 is rotatably connected with the support cross rod 15 of the first-level scissor arm set 12 or the upper-level scissor arm set 12 or hinged on the bottom surface of the operation platform 14, and the telescopic hydraulic rod 13 hinged with the operation platform 14 supports the lifting of the operation platform 14 through the top of the scissor arm set 13 connected with the telescopic hydraulic rod 13; the operation platform 14 is a cable bearing platform, and the cable receiving end of the operation platform 14 of the second scissor type lifting frame 2 receives the cable sent by the cable sending end of the operation platform 14 of the first scissor type lifting frame 1, so that the obstacle crossing conveying of the cable is realized; the bridging structure 3 connects the working platform 141 of the first scissor type crane 1 and the working platform 142 of the second scissor type crane 2, and the cable which is distributed from the wire outlet end of the working platform 141 of the first scissor type crane 1 is conveyed to the wire outlet end of the working platform 142 of the second scissor type crane 2, and the reinforcement between the working platform 141 and the working platform 142 is implemented. The bridging structure 3 transmits the cable from the wire releasing end of the working platform 141 to the wire receiving end of the working platform 142 without withdrawing, and two ends of the cable are respectively connected with the working platform 141 and the working platform 142, so that the cable can be stably connected with the working platform 141 and the working platform 142.
The mechanical lifting type crossing frame can be controlled by a button, and can be moved to a proper position through remote control operation, so that the mechanical lifting type crossing frame is controlled to be lifted through remote control.
In a preferred embodiment, the bridging structure 3 comprises at least two parallel telescopic pipe or plate structures, such as telescopic arms, and at the outermost side of the parallel telescopic pipe or plate structures, it may further comprise:
the telescopic wire guiding wheel 23 and the parallel telescopic pipe or plate structure are connected by bolts, and if a horizontal support and bolts are adopted, the telescopic wire guiding wheel 23 and the parallel telescopic pipe or plate structure are fixed on the same support side by side. Adopt the hydraulic support arm of scissors type, as shown in fig. 4, adopt the slip rack guide rail structure that the level was placed, reticulation position in the picture, under the motor drive, rack guide rail horizontal migration, the pulling hinge bar lifts up, the hinge bar that supports on right side in the picture, thereby lift up the scalable wire wheel 23 of left side support suitable height, accessible cylinder/pneumatic cylinder drives its flexible back, cylinder/pneumatic cylinder are articulated fixed on the support, play further supporting role to the cable, prevent that the cable from because of gravity tenesmus, lead to the defect that the conveying cable resistance is big.
In a preferred embodiment, the ends of the at least two parallel telescopic pipe structures or plate structures are transversely and fixedly connected, and the transverse connecting rod is provided with at least four buckles of the insulated traction ropes, the number of the buckles of the insulated traction ropes can be set according to the number of the insulated traction ropes, the insulated traction ropes pass through the buckles of the insulated traction ropes, the insulated traction ropes are conveyed from the working platform 141 of the first scissor fork type crane 1 to the working platform 142 of the second scissor fork type crane 2 under the driving of the two parallel telescopic pipe structures or plate structures, and the tail ends of the insulated traction ropes drive the starting ends of cables to safely and smoothly pass through the mechanical spanning frame. Preferably, the first scissor lift 1 work platform 141 is directly connected with the at least two parallel telescopic pipes or plates; the second scissor type lifting frame 2 operation platform 142 is provided with an inlet and an outlet which are matched with the at least two parallel telescopic pipes or plates, the at least two parallel telescopic pipes or plates on the first scissor type lifting frame 1 operation platform 141 are directly inserted into the inlet and the outlet of the second scissor type lifting frame 2 operation platform 142, and the bridging structure 3 is completed at the moment. Preferably, the at least two parallel telescopic pipes or plates are provided with annular lock catches connected with an insulated anti-falling net 16, the anti-falling net 16 is positioned above the barrier, and the linear distance between the anti-falling net 16 and the barrier is at least two meters.
In a preferred embodiment, a hinge seat is mounted on the support cross rod 15 which is rotatably connected with the upper end of the telescopic hydraulic rod 13, the hinge seat is two parallel and opposite lug plates, and the lug plates are provided with corresponding through holes; and a fixed shaft of the telescopic hydraulic rod 13 is arranged on the supporting cross rod 15 which is rotatably connected with the lower end of the telescopic hydraulic rod 13. The two ends of the telescopic hydraulic rod 13 are respectively fixed on the hinged seat and the fixed shaft of the telescopic hydraulic rod 13 in a rotating way, so that flexible extension can be realized.
In a preferred embodiment, at least four supporting columns 17 are arranged around the supporting seat 11, each supporting column 17 comprises a supporting arm, an external thread sleeve and an internal threaded rod, one end of each supporting column 17 is rotatably connected with the supporting seat 11, and the other end of each supporting column 17 is fixedly connected with the external thread sleeve; the disc support column is installed to the lower extreme of internal thread pole, and external thread cover and internal thread pole can adjust the extension length of internal thread pole at the external thread cover lower extreme through screw-thread fit, make wholly supporting seat 11 is in horizontal position to guarantee that machinery crane can move steadily. Preferably, when the supporting seat 11 is rectangular, the supporting columns 17 are respectively installed at four corners or four edges of the rectangular supporting seat and used for unfolding the supporting arms after a selected station is selected, the extending length of the inner threaded rod is adjusted, the extending lengths of the supporting columns 17 at the four corners can be adjusted according to actual needs of the supporting columns 17, the extending lengths of the supporting columns 17 at the four corners do not need to be the same, at the moment, the disc-shaped supporting columns 17 are in close contact with the ground, and therefore the supporting seat 11 is prevented from moving in a lifting process.
In a preferred embodiment, the supporting seat 11 is further provided with a walking wheel 18 and a walking wheel driving mechanism, the walking wheel 18 drives the first scissor type crane 1 and the second scissor type crane 2 to move under the action of the walking driving mechanism, the workload of a worker can be reduced by preferably controlling through a remote controller, and the advancing speed of the worker can be controlled by operating the remote controller when the worker encounters an uneven road section; the outer wall of the walking wheel 18 is provided with a rubber wheel stopper, so that when the walking wheel 18 is operated on uneven road surfaces or on an up-down slope, the rubber wheel stopper can better control the walking wheel 18 not to move, and the safety of operators is guaranteed.
In a preferred embodiment, a protective fence 19 is arranged on the periphery of the working platform 14, the height of the protective fence is not less than 1 meter, so as to ensure the safety of the working personnel, at least four groups of pulleys 20 are arranged on the protective fence 19 along the wire conveying direction, the number of the pulleys 20 is consistent with the number of the insulated traction ropes, the insulated traction ropes pass through the pulleys 20, and the insulated traction ropes are dragged by at least two parallel telescopic pipes or plates to move through buckles of the four insulated traction ropes arranged on the transverse connecting rod and the anti-falling net 16 under the guidance of the pulleys 20 while at least the two parallel telescopic pipes or plates are unfolded. Preferably, the pulley 20 is engaged with the insulated pull cord, the end of which pulls the beginning of the cable over the pulley 20.
In a preferred embodiment, the method may further include: the supporting seat 11 is further provided with a horizontal adjustment display button 21, such as a level gauge, when the uneven road surface works, the whole device is in a horizontal state by adjusting the four supporting columns 17 arranged on the supporting seat 11, the horizontal adjustment display button 21 can be observed to check whether the two sets of scissor type lifting frames are in the horizontal state, if the difference exists, the adjustment can be continued, and within an allowable range, the allowable range can be determined according to the actual working condition, so that the two sets of scissor type lifting frames can be considered to be in the same horizontal state at present, and the safety of workers can be ensured.
In a preferred embodiment, the supporting base 11 is further provided with at least one emergency relief valve 22, which can be installed on the motor of the supporting base, and the height of the scissor type lifting frame can be reduced through the emergency relief valve 22 when an emergency situation is met during operation.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A mechanical lift spanning frame, comprising: the device comprises a first scissor type lifting frame, a second scissor type lifting frame and a bridging structure positioned between the first scissor type lifting frame and the second scissor type lifting frame;
the first scissor-type lifting frame and the second scissor-type lifting frame are positioned on two sides of the barrier and respectively comprise a supporting seat, a multi-stage scissor-type arm group, a telescopic hydraulic rod and an operation platform;
each level of shearing fork arm group comprises two sets of symmetrically arranged shearing fork arms, each set of shearing fork arms comprises an outer shearing fork arm and an inner shearing fork arm, and the upper and lower levels of shearing fork arm groups are connected through a hinged shaft;
two outer scissor arms of the scissor arm group of the first stage are rotatably connected with the supporting seat, and two inner scissor arms are slidably connected with the supporting seat;
two outer shearing fork arms of the shearing fork arm group at the uppermost stage are rotatably connected with the operation platform, and two inner shearing fork arms are slidably connected with the operation platform;
the lower end of the telescopic hydraulic rod is connected with a supporting base or a supporting cross rod of a lower-level shearing fork arm group, and the upper end of the telescopic hydraulic rod is rotatably connected with the supporting cross rod of the first-level shearing fork arm group or a higher-level shearing fork arm group or the bottom surface of the operation platform;
the bridging structure is connected with the first work platform of cutting the fork crane and the second work platform of cutting the fork crane.
2. The mechanical lift spanning frame of claim 1, further comprising: the lower ends of two outer shearing fork arms of the first-stage shearing fork arm group are provided with rotating shafts, and the supporting seat is provided with a connecting rod of the rotating shafts; the lower ends of two inner shearing fork arms of the first-stage shearing fork arm group are provided with rollers, and the supporting seat is provided with a track for the movement of the rollers;
the lower ends of two outer shearing fork arms of the shearing fork arm group at the uppermost stage are provided with rotating shafts, and the working platform is provided with a connecting rod of the rotating shafts; and rollers are arranged at the lower ends of the two inner scissor arms of the scissor arm group at the uppermost stage, which is connected with the operation platform, two parallel tracks are arranged on the back surface of the operation platform, and the two parallel tracks guide the movement of the rollers.
3. The mechanical lifting crossing structure of claim 1, wherein the bridging structure comprises at least two parallel telescopic pipes, wherein the ends of the at least two parallel telescopic pipes or plate structures are transversely and fixedly connected by a transverse connecting rod, and the transverse connecting rod is provided with at least four buckles of insulating hauling ropes;
further comprising: the outer sides of the parallel telescopic pipes are connected with telescopic wire guiding wheels which are arranged side by side through bolts and brackets.
4. The mechanical lifting crossing of claim 1, wherein the first scissor lift work platform is directly connected to the at least two parallel telescoping tubes; the second scissor type lifting frame operation platform is provided with an inlet and an outlet which are matched with the at least two parallel telescopic pipes.
5. The mechanical lifting crossing structure according to claim 3 or 4, wherein the at least two parallel telescopic pipes are provided with an insulating anti-falling net.
6. The mechanical lifting crossing structure according to claim 1, wherein a hinge seat is mounted on the support cross bar rotatably connected with the upper end of the telescopic hydraulic rod, the hinge seat is formed by two parallel and opposite lug plates, and the lug plates are provided with corresponding through holes; and a hydraulic rod fixing shaft is arranged on the supporting cross rod which is rotationally connected with the lower end of the telescopic hydraulic rod.
7. The mechanical lifting crossing frame according to claim 1, wherein at least four supporting columns are arranged around the supporting seat, each supporting column comprises a supporting arm, an external thread sleeve and an internal threaded rod, one end of each supporting column is rotatably connected with the supporting seat, and the other end of each supporting column is fixedly connected with the external thread sleeve; the disc support column is installed to the lower extreme of internal thread pole, and external thread cover and internal thread pole can adjust the extension length of internal thread pole at the external thread cover lower extreme through the screw-thread fit.
8. The mechanical lifting crossing frame according to claim 1, wherein the supporting base is further provided with a road wheel and a road wheel driving mechanism, and a rubber wheel stopper is arranged on the outer wall of the road wheel.
9. The mechanical lifting crossing frame according to claim 3, wherein a protective fence is arranged on the periphery of the working platform, and at least four groups of pulleys are arranged on the protective fence along the wire conveying direction; wherein, the pulley and the insulating haulage rope cooperation.
10. The mechanical lift spanning frame of claim 1, further comprising: the supporting seat is provided with an emergency pressure relief valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220338045.XU CN217642393U (en) | 2022-02-18 | 2022-02-18 | Mechanical lifting crossing frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220338045.XU CN217642393U (en) | 2022-02-18 | 2022-02-18 | Mechanical lifting crossing frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217642393U true CN217642393U (en) | 2022-10-21 |
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ID=83645419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220338045.XU Expired - Fee Related CN217642393U (en) | 2022-02-18 | 2022-02-18 | Mechanical lifting crossing frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217642393U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117039720A (en) * | 2023-08-16 | 2023-11-10 | 广东电网有限责任公司阳江供电局 | Self-propelled lifting rotary crossing frame for power transmission line and application method |
-
2022
- 2022-02-18 CN CN202220338045.XU patent/CN217642393U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117039720A (en) * | 2023-08-16 | 2023-11-10 | 广东电网有限责任公司阳江供电局 | Self-propelled lifting rotary crossing frame for power transmission line and application method |
| CN117039720B (en) * | 2023-08-16 | 2024-05-28 | 广东电网有限责任公司阳江供电局 | Self-propelled lifting rotary crossing frame for power transmission line and application method |
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Granted publication date: 20221021 |