CN108952550B - Ladder is delivered with climbing to electric wire netting - Google Patents
Ladder is delivered with climbing to electric wire netting Download PDFInfo
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- CN108952550B CN108952550B CN201810759744.XA CN201810759744A CN108952550B CN 108952550 B CN108952550 B CN 108952550B CN 201810759744 A CN201810759744 A CN 201810759744A CN 108952550 B CN108952550 B CN 108952550B
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/34—Ladders attached to structures, such as windows, cornices, poles, or the like
- E06C1/36—Ladders suspendable by hooks or the like
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/08—Special construction of longitudinal members, or rungs or other treads
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/12—Lifts or other hoisting devices on ladders
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/42—Ladder feet; Supports therefor
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/50—Joints or other connecting parts
- E06C7/505—Anchors being adapted to fix a ladder to a vertical structure, e.g. ladder hooks
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention belongs to the field of power grid operation equipment, and particularly relates to a climbing delivery ladder for a power grid. The climbing delivery ladder for the power grid has the advantages of simple structure, light weight and low cost, can be freely carried in the using process, meets different functional requirements during power grid operation, is convenient to operate, is simple in function conversion, can well provide good support in the outdoor operation process, reduces the number of equipment required by outdoor operation, and improves the operation efficiency.
Description
Technical Field
The invention belongs to the field of power grid operation equipment, and particularly relates to a climbing delivery ladder for a power grid.
Background
The electric wire netting operation process need carry out the work of multiple different grade type, including detecting the maintenance to electric wire netting running state, maintain the maintenance etc. to electric wire netting equipment, because these check points and electric wire netting equipment often set up in higher pylon in liftoff, transformer platform etc. position, need the operator to climb to specific height and just can work, after carrying out preliminary observation, in case there is unusual situation in discovery, just need in time to overhaul the maintenance to equipment or structure, consequently, need in time transmit the operator of eminence with multiple maintenance instrument or equipment, sometimes, then need replace the installation to electric wire netting equipment or instrument, need operate these instrument equipment to the mounted position, for general pocket tool or equipment, can operate with the mode of manual transmission, but heavier to some quality. The equipment that the volume is great, manual operation is inefficiency, dangerous high, especially equipment such as a large amount of transformers, switch board, high-voltage switch that contain in the electric wire netting all need prevent to collide with the striking in order to avoid structural damage when installation and transport, and these work use manual work are not convenient for carry on, have restricted the efficiency of operation content such as electric wire netting maintenance to a certain extent.
Disclosure of Invention
The invention aims to provide a light and simple climbing delivery ladder which can be matched with manpower or vehicles to perform climbing delivery operation, reduce the equipment amount required by power grid operation and improve the operation efficiency.
In order to achieve the purpose, the invention adopts the following technical scheme.
A climbing delivery ladder for an electric network comprises a ladder frame component, a transmission component and a connection support component; the ladder frame component comprises two support rods with symmetrical structures, each support rod comprises a strip-shaped rod body, connecting holes are formed in two ends of each support rod respectively, an upper connecting shaft and a lower connecting shaft are arranged in the connecting holes, two ends of each support rod are sleeved at two ends of the upper connecting shaft and the lower connecting shaft respectively, and the two support rods can slide along the upper connecting shaft and the lower connecting shaft to be close to or far away from each other; a plurality of fixing clips with equal intervals are sequentially arranged on the upper end surfaces of the two support rods from top to bottom at positions close to the outer sides of the support rods, and the size of each fixing clip is smaller than the width of each support rod so that a part of area of the inner side of each support rod can be reserved to form a sliding area; the ladder frame component also comprises two symmetrically-mounted mounting seats sleeved on the upper connecting shaft and the lower connecting shaft, the mounting seats are provided with connecting holes so as to be sleeved on the upper connecting shaft or the lower connecting shaft, and the two mounting seats are respectively provided with an adjusting assembly so as to adjust the distance between the two supporting rods; the ladder frame component also comprises a support plate, the support plate is in a long plate shape, two ends of the support plate are respectively and fixedly connected to the mounting seat, and the upper end surface of the support plate is provided with a roller group; the transmission component comprises a chain belt component, a roller component and a driving component, wherein the roller component comprises an upper roller and a lower roller which are respectively sleeved on an upper connecting shaft and a lower connecting shaft, and an adjusting wheel positioned below the supporting plate; the chain belt assembly comprises chain belts sleeved on the upper roller, the lower roller and the adjusting wheel respectively, and a treading rod arranged on the chain belts, wherein the length of the treading rod is greater than that of a gap between the two supporting rods and is less than the maximum width of a sliding area of the two supporting rods; the driving assembly comprises an adjusting seat fixed below the supporting plate and a movable seat connected with the adjusting wheel, the movable seat is connected with the adjusting wheel through a driving shaft, the adjusting wheel is sleeved on the driving shaft so that the adjusting wheel can rotate along with the driving shaft, and an elastic assembly is arranged between the adjusting seat and the movable seat to adjust the relative position to control the tension degree of the chain belt; the driving assembly comprises a driving device connected with the driving shaft; the connecting and supporting part comprises a hook arranged at the top end of the ladder frame part and a supporting seat arranged at the bottom end of the ladder frame part.
The climbing delivery ladder is mainly used for facilitating the up-and-down climbing of an operator, tool or equipment delivery and the like in the power grid operation process, on one hand, the climbing delivery ladder can be used for the up-and-down climbing operation of the user like a common ladder frame to help the operator to quickly reach a designated operation area, on the other hand, when heavy equipment instruments or large-size equipment instruments need to be delivered, the ladder frame structure can be changed into a transmission belt by changing the distance between two support rods in the ladder frame, so that the heavy object transfer and transportation function is realized, through the structural transformation, a large amount of manpower is not needed for operation during object transfer and transportation, additional equipment such as hoisting equipment, rope sets and the like do not need to be erected again, the scheme can ensure that the operation task of the operator is more flexible and convenient, a plurality of equipment instruments do not need to be prepared in advance, and the function, the degree of integrity and the degree of freedom of operation have been improved, this climbing delivery ladder overall structure is simple light, can be convenient operate the use through manual work or vehicle, can the holistic efficiency of effectual improvement electric wire netting operation.
Further refine to above-mentioned scheme include, the adjustment subassembly includes two L poles and an adjusting screw with the bracing piece fixed connection of both sides respectively, the inboard of bracing piece is provided with first mounting hole, be provided with on the mount pad and keep away the dead slot, it is equipped with the second mounting hole to dig on the inner wall of dead slot to keep away, first mounting hole and second mounting hole are coaxial relative, the level end of two L poles inserts second mounting hole and first mounting hole in proper order and is connected with two bracing pieces respectively, the vertical end of L pole is located keeps away the dead slot, the top of vertical end is provided with the regulation hole, be provided with the screw thread in the regulation hole of at least one side, adjusting screw inserts in the regulation hole. The refinement scheme provides a better method for adjusting the distance between the supporting rods, mainly utilizes a mechanical mode to realize control, utilizes the interaction between the screw rod and the threads to realize the adjustment of the distance by rotating the adjusting screw rod, does not need an additional driving device and a structure, is convenient to operate and adjust by manpower, can replace a motor or a cylinder driving mode or the like or be used as a supplementary means thereof, and is beneficial to improving the stability and the effectiveness of the device because of no need of electric power, so that the device can not be used because of limited electric power resources.
Further refining the scheme includes that the roller group comprises a plurality of groups of roller bases which are arranged on the upper end face of the supporting plate and are sequentially and correspondingly installed, a wheel axle hole is formed in each group of roller bases, a roller axle is installed in the wheel axle hole, and a roller is sleeved on the roller axle. During the noon transportation and carrying process, the roller group can be utilized to support the chain belt and the heavy object, so that the direct friction between the chain belt and the supporting plate is avoided, and the chain belt is prevented from being abraded. In the use, the two ends of the upper treading rod slide along the sliding area of the supporting rod, the lower end of the treading rod is fixed on the chain belt to move the roller on the upper rolling surface, and the treadle and the chain belt can be conveniently utilized to fix and bear heavy objects.
Further refining the scheme includes that the elastic assembly comprises an upper guide cylinder arranged on the adjusting seat and a lower guide cylinder arranged on the movable seat, the upper guide cylinder and the lower guide cylinder are connected in a nested mode and can slide relatively along the direction of a cylinder shaft, the upper guide cylinder and the lower guide cylinder are connected through a spring, and a spring elasticity adjusting device is arranged between the upper guide cylinder and the lower guide cylinder. Go up the guide cylinder and combine the spring with lower guide cylinder and can make the tension between the chain belt keep at the certain limit to guarantee to climb or heavy object transmission in-process from top to bottom at the user, keep sufficient contact force and area of contact between chain belt and the gyro wheel, prevent not hard up slippage, improve structure security and realize rate of tension self-adaptation regulation.
The spring elasticity adjusting device comprises an adjusting plate arranged at the bottom of the upper guide cylinder, the lower end face of the adjusting plate is fixedly connected with a spring, a threaded hole is formed in the bottom of the upper guide cylinder, a screw rod is fixedly arranged on the upper end face of the spring plate, and the screw rod is inserted into the threaded hole to be matched. Through setting up this structure can carry out manual regulation with the realization when needs to the rate of tension of manual control chain belt improves the security, the nimble operation of being convenient for.
A further refinement of the above solution consists in that the drive means comprise a hand crank arranged on one side of the drive shaft. The driving device is used for driving the chain belt to rotate in a moving mode, power for moving the chain belt up and down is provided under a heavy object carrying mode, the hand crank is arranged to realize manual control, other driving schemes such as motor driving are used instead, or an emergency means is used, the device can be used under the condition of no external power, and effectiveness of the device is improved.
The further refinement of the scheme comprises that the hook comprises a first hook arranged below the mounting seat and second hooks arranged at two ends of the upper connecting shaft. The first couple interval that sets up in the mount pad below is more closely applicable to the overlap joint or catches on vertical pole isotructure, and the second couple interval that sets up at last connecting axle both ends is bigger, is applicable to and catches on the structure that cross arm isotevel has great grabbing face, and the mode that combines far and near can use suitable scheme or combination of grabbing as required, improves fixed connection effect and joint strength, improves the security.
Further refining the above scheme includes that the second hook comprises a hook and a connecting rod vertically connected with the hook, connecting holes are dug in the two ends of the upper connecting shaft along the axis, and the connecting rod is rotatably inserted into the connecting holes.
Further refine to above-mentioned scheme include that the supporting seat includes the connecting rod on top, and the both ends of lower connecting axle are dug along the axis and are equipped with the connecting hole, and the connecting rod is rotatable inserts in the connecting hole.
The further refinement of the scheme comprises that a plurality of spine bulges extending downwards are arranged at the bottom of the supporting seat. The ground that the spine arch can insert earth soil nature to in the regional use of open air, provide the fixed effect of better snatching, keep the stability of ladder frame, improve the security.
The beneficial effects are that: the climbing delivery ladder for the power grid has the advantages of simple structure, light weight and low cost, can be freely carried in the using process, meets different functional requirements during power grid operation, is convenient to operate, is simple in function conversion, can well provide good support in the outdoor operation process, reduces the number of equipment required by outdoor operation, and improves the operation efficiency.
Drawings
Figure 1 is a front view of a climbing delivery ladder of the present invention;
FIG. 2 is a schematic structural view of a ladder frame section according to an embodiment;
FIG. 3 is a schematic structural view of a transmitting member in the embodiment;
figure 4 is a side view of the climbing delivery ladder of the present invention;
figure 5 is an oblique view of the climbing delivery ladder of the present invention;
FIG. 6 is a schematic structural view of a support plate in the embodiment;
the reference numbers include:
a support rod 10, an upper connecting shaft 11, a lower connecting shaft 12, a fixing clip 13, a sliding area 14, a mounting seat 15,
A clearance groove 15a, an L-shaped rod 16, an adjusting screw 17, a supporting plate 18, a roller base 18a, a roller shaft 18b, a roller 18c, an upper roller 21, a lower roller 22, an adjusting wheel 23, a chain belt 24, a treading rod 25, an adjusting base 26,
The device comprises an upper guide cylinder 26a, an adjusting plate 26b, a screw rod 26c, a movable seat 27, a lower guide cylinder 27a, a driving shaft 28, a spring 29, a first hook 30a, a second hook 30b, a supporting seat 31, a sharp bulge 31a and a connecting rod 31 b.
Detailed Description
The invention is described in detail below with reference to specific embodiments.
As shown in fig. 1 and 4, the climbing delivery ladder for the power grid of the invention comprises a ladder frame component 1, a transmission component and a connection support component.
As shown in fig. 2, the ladder frame member 1 comprises two support bars 10 of a symmetrical structure, the support bars 10 being used as a support and guide means for the spoil sticks 25, the support bars 10 comprising bar-shaped bars, both ends of the support bars 10 being provided with connection holes, respectively, in which an upper connection shaft 11 and a lower connection shaft 12 are provided, both ends of the two support bars 10 being respectively fitted over both ends of the upper connection shaft 11 and the lower connection shaft 12 and being slidable along the upper connection shaft 11 and the lower connection shaft 12 to be close to or away from each other; a plurality of fixing clips 13 with equal intervals are sequentially arranged on the upper end surfaces of the two support rods 10 from top to bottom at positions close to the outer sides of the support rods 10, and the size of each fixing clip 13 is smaller than the width of each support rod 10 so that a partial area of the inner side of each support rod 10 can be reserved to form a sliding area 14; the support rod 10 has three basic functions in the using process, one of which is a main support as an integral structure to keep the integral structure of the ladder rack intact and provide sufficient support strength, and the other of which is a ladder rack formed by supporting the stepped rod 25 in the transferring part on the fixing clip 13 for the worker to climb up and down when used as the ladder rack, and the third of which is a transferring device used as a guide structure and a support structure to allow the stepped rod 25 to slide up and down after two support rods 10 are far away from each other in the sliding area 14.
As shown in fig. 1, 2, the fixing clip 13 in this embodiment is a bar fixed on the supporting stick 10 by a bolt set, and in order to prevent the dead-pedal bar 25 from slipping, a fixing groove may be dug on the surface of the fixing clip 13 contacting the dead-pedal bar 25 according to the shape of the dead-pedal bar 25 so that the dead-pedal bar 25 can be caught in the fixing groove in a concrete implementation.
As shown in fig. 2, the ladder frame assembly 1 further includes two symmetrically-installed installation seats 15 sleeved on the upper connecting shaft 11 and the lower connecting shaft 12, the installation seats 15 are provided with connecting holes to be sleeved on the upper connecting shaft 11 or the lower connecting shaft 12, and the two installation seats 15 are respectively provided with an adjusting assembly to adjust the distance between the two support rods 10, so as to realize the switching between the ladder frame function and the conveyor belt function; the adjusting assembly comprises two L rods 16 and an adjusting screw rod 17 which are fixedly connected with the supporting rods 10 on the two sides respectively, the inner sides of the supporting rods 10 are provided with first mounting holes, the mounting seat 15 is provided with a clearance groove 15a, the inner wall of the clearance groove 15a is dug to be provided with second mounting holes, the first mounting holes and the second mounting holes are coaxial and opposite, the horizontal ends of the two L rods 16 are sequentially inserted into the second mounting holes and the first mounting holes to be connected with the two supporting rods 10 respectively, the vertical end of the L rod 16 is located in the clearance groove 15a, the top end of the vertical end is provided with an adjusting hole, threads are arranged in the adjusting hole on at least one side, and the adjusting screw rod 17 is inserted into the adjusting hole. In this embodiment, a single-headed screw 26c with a thread at one end and a clamping seat at the other end is used for adjustment, and in order to realize a faster adjustment speed, a double-headed threaded rod can be used for controlling the distance between the support rods 10, and it is easy to know that the combination of the threaded holes on the adjusting screw 17 and the L-rod 16 is a two-way screw 26c and a threaded hole in the same rotation direction or a one-way screw 26c and threaded holes in different rotation directions.
As shown in fig. 6, the ladder frame component further includes a support plate 18, the support rod 10 is in a long plate shape, two ends of the support plate 18 are respectively fixedly connected to the mounting seats 15, and the upper end surface of the support plate 18 is provided with a roller 18c group; the roller 18c group comprises a plurality of groups of roller bases 18a which are arranged on the upper end surface of the supporting plate 18 and are correspondingly arranged in sequence, each group of roller bases 18a is provided with a wheel axle hole, a roller axle 18b is arranged in the wheel axle hole, and the roller axle 18b is sleeved with a roller 18 c. In the middle of the transportation and carrying process, the roller 18c group can be used for lifting the chain belt 24 and the heavy objects, so that the direct friction between the chain belt 24 and the supporting plate 18 is avoided, and the chain belt 24 is prevented from being abraded. In use, both ends of the upper-located stepped bars 25 slide along the sliding sections 14 of the support bars 10, and the lower ends of the stepped bars 25 are fixed on the chain belts 24 to roll on the rolling upper surface moving rollers 18c, which can conveniently fix and carry heavy objects using the pedals and the chain belts 24.
As shown in fig. 3, the transferring part includes a chain belt assembly, a roller assembly and a driving assembly, the roller assembly includes an upper roller 21 and a lower roller 22 respectively sleeved on the upper connecting shaft 11 and the lower connecting shaft 12, and an adjusting wheel 23 located below the supporting plate 18; the chain belt assembly comprises chain belts 24 respectively sleeved on the upper rollers 21, the lower rollers 22 and the adjusting wheels 23, and treading bars 25 positioned on the chain belts 24, wherein the length of the treading bars 25 is greater than the gap between the two supporting bars 10 after approaching and is smaller than the maximum width of the sliding area 14 after the two supporting bars 10 are far away, and the pitch of the treading bars 25 is the same as the distribution pitch of the fixing clips 13 on the supporting bars 10;
as shown in fig. 1, 4 and 5, the driving assembly includes an adjusting seat 26 fixed below the supporting plate 18 and a movable seat 27 connected to the adjusting wheel 23, the movable seat 27 and the adjusting wheel 23 are connected by a driving shaft 28, the adjusting wheel 23 is sleeved on the driving shaft so that the adjusting wheel 23 can rotate along with the driving shaft, and an elastic assembly is arranged between the adjusting seat 26 and the movable seat 27 to adjust the relative position to control the tension of the chain belt 24.
As shown in fig. 4, the elastic assembly includes an upper guide cylinder 26a disposed on the adjustment seat 26 and a lower guide cylinder 27a disposed on the movable seat 27, the upper guide cylinder 26a and the lower guide cylinder 27a are nested to be relatively slidable along the cylinder axis direction, the upper guide cylinder 26a and the lower guide cylinder 27a are connected by a spring 29, a spring force adjusting device is disposed between the upper guide cylinder 26a and the lower guide cylinder 27a, the spring force adjusting device includes an adjusting plate 26b disposed at the bottom of the upper guide cylinder 26a, the lower end surface of the adjusting plate 26b is fixedly connected with the spring 29, the bottom of the upper guide cylinder 26a is provided with a threaded hole, the upper end surface of the spring 29 is fixedly provided with a screw 26c, and the screw 26c is inserted into the threaded hole to be matched.
The drive assembly includes a drive device coupled to the drive shaft 28; the connecting and supporting member comprises a hook arranged at the top end of the ladder frame member 1 and a supporting seat 31 arranged at the bottom end of the ladder frame member 1. The hooks include a first hook 30a disposed below the mounting seat 15 and second hooks 30b disposed at both ends of the upper connecting shaft 11. The drive means comprises a hand crank 40 arranged on one side of the drive shaft 28.
The second hook 30b includes a hook and a connecting rod 31b vertically connected to the hook, a connecting hole is dug at both ends of the upper connecting shaft 11 along an axis, and the connecting rod 31b is rotatably inserted into the connecting hole.
The support seat 31 includes a connection rod 31b at the top end, connection holes are dug at both ends of the lower connection shaft 12 along the axis, and the connection rod 31b is rotatably inserted into the connection holes. The bottom of the support seat 31 is provided with a plurality of spike protrusions 31a extending downward. The protruding 31a of spine can insert the ground of earth soil nature to in the outdoor area use, provide the fixed effect of better snatching, keep the stability of ladder frame, improve the security.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. A climbing delivery ladder for an electric network is characterized by comprising a ladder frame component, a transmission component and a connecting support component;
the ladder frame component comprises two support rods with symmetrical structures, each support rod comprises a strip-shaped rod body, two ends of each support rod are respectively provided with a connecting hole, an upper connecting shaft and a lower connecting shaft are arranged in the connecting holes, two ends of each support rod are respectively sleeved at two ends of the upper connecting shaft and the lower connecting shaft, and the two support rods can slide along the upper connecting shaft and the lower connecting shaft to be close to or far away from each other; a plurality of fixing clips with equal intervals are sequentially arranged on the upper end surfaces of the two support rods from top to bottom at positions close to the outer sides of the support rods, and the size of each fixing clip is smaller than the width of each support rod so that a part of area of the inner side of each support rod can be reserved to form a sliding area; the ladder frame component also comprises two symmetrically-mounted mounting seats sleeved on the upper connecting shaft and the lower connecting shaft, the mounting seats are provided with connecting holes so as to be sleeved on the upper connecting shaft or the lower connecting shaft, and the two mounting seats are respectively provided with an adjusting assembly so as to adjust the distance between the two supporting rods; the ladder frame component also comprises a support plate, the support plate is in a long plate shape, two ends of the support plate are respectively and fixedly connected to the mounting seat, and the upper end surface of the support plate is provided with a roller group;
the transmission component comprises a chain belt component, a roller component and a driving component, wherein the roller component comprises an upper roller and a lower roller which are respectively sleeved on an upper connecting shaft and a lower connecting shaft, and an adjusting wheel positioned below the supporting plate; the chain belt assembly comprises chain belts sleeved on the upper roller, the lower roller and the adjusting wheel respectively, and a treading rod arranged on the chain belts, wherein the length of the treading rod is greater than the maximum width of the middle of the two supporting rods after the two supporting rods are close to the rear sliding area and is less than the maximum width of the two supporting rods far away from the rear sliding area, and treading rod racks in the transmission part are supported on the fixing clamp to form a ladder rack; the driving assembly comprises an adjusting seat fixed below the supporting plate and a movable seat connected with the adjusting wheel, the movable seat is connected with the adjusting wheel through a driving shaft, the adjusting wheel is sleeved on the driving shaft so that the adjusting wheel can rotate along with the driving shaft, and an elastic assembly is arranged between the adjusting seat and the movable seat to adjust the relative position to control the tension degree of the chain belt; the drive assembly comprises a drive device connected with a drive shaft;
the connecting and supporting part comprises a hook arranged at the top end of the ladder frame part and a supporting seat arranged at the bottom end of the ladder frame part.
2. The climbing delivery ladder for the power grid according to claim 1, wherein the adjusting assembly comprises two L-shaped rods and an adjusting screw rod, the two L-shaped rods are respectively and fixedly connected with the supporting rods on two sides, a first mounting hole is formed in the inner side of each supporting rod, a clearance groove is formed in the mounting seat, a second mounting hole is formed in the inner wall of each clearance groove in an excavating mode, the first mounting hole and the second mounting hole are coaxially opposite, the horizontal ends of the two L-shaped rods are sequentially inserted into the second mounting holes and the first mounting holes and are respectively connected with the two supporting rods, the vertical end of each L-shaped rod is located in the clearance groove, an adjusting hole is formed in the top end of each vertical end, threads are arranged in the adjusting hole on at least one side, and the adjusting screw rod is inserted.
3. The climbing delivery ladder for the power grid according to claim 1, wherein the roller sets comprise a plurality of sets of roller bases arranged on the upper end surface of the supporting plate and correspondingly arranged in sequence, each set of roller base is provided with a wheel axle hole, a roller axle is arranged in the wheel axle hole, and a roller is sleeved on the roller axle.
4. The climbing delivery ladder for the power grid according to claim 1, wherein the elastic assembly comprises an upper guide cylinder arranged on the adjusting seat and a lower guide cylinder arranged on the movable seat, the upper guide cylinder and the lower guide cylinder are nested and connected to be capable of sliding relatively along the direction of the cylinder axis, the upper guide cylinder and the lower guide cylinder are connected through a spring, and a spring elasticity adjusting device is arranged between the upper guide cylinder and the lower guide cylinder.
5. The climbing delivery ladder for power grids as claimed in claim 4, wherein the spring elasticity adjusting device comprises an adjusting plate arranged at the bottom of the upper guide cylinder, the lower end surface of the adjusting plate is fixedly connected with the spring, the bottom of the upper guide cylinder is provided with a threaded hole, the upper end surface of the spring plate is fixedly provided with a screw rod, and the screw rod is inserted into the threaded hole to be matched with the threaded hole.
6. The climbing delivery ladder for power grids of claim 1, wherein the driving device comprises a hand crank disposed at one side of a driving shaft.
7. The climbing delivery ladder for power grids of claim 1, wherein the hooks comprise a first hook arranged below the mounting seat and a second hook arranged at two ends of the upper connecting shaft.
8. The climbing delivery ladder for the power grid according to claim 7, wherein the second hook comprises a hook and a connecting rod vertically connected with the hook, connecting holes are dug in two ends of the upper connecting shaft along an axis, and the connecting rod is rotatably inserted into the connecting holes.
9. The climbing delivery ladder for the power grid according to claim 1, wherein the support base comprises a connecting rod at the top end, two ends of the lower connecting shaft are provided with connecting holes along the axis in a digging manner, and the connecting rod is rotatably inserted into the connecting holes.
10. The climbing delivery ladder for power grids of claim 1, wherein the bottom of the support base is provided with a plurality of spike protrusions extending downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810759744.XA CN108952550B (en) | 2018-07-11 | 2018-07-11 | Ladder is delivered with climbing to electric wire netting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810759744.XA CN108952550B (en) | 2018-07-11 | 2018-07-11 | Ladder is delivered with climbing to electric wire netting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108952550A CN108952550A (en) | 2018-12-07 |
| CN108952550B true CN108952550B (en) | 2020-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810759744.XA Active CN108952550B (en) | 2018-07-11 | 2018-07-11 | Ladder is delivered with climbing to electric wire netting |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR3112164B1 (en) | 2020-07-02 | 2023-06-30 | Rte Reseau De Transp Delectricite | Lashing hook attachment device and ladder attachment system comprising such a device |
| FR3112163B1 (en) | 2020-07-02 | 2022-06-10 | Rte Reseau De Transp Delectricite | System and method for attaching a ladder to an inclined support |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE9600448D0 (en) * | 1996-02-07 | 1996-02-07 | Peter Hoyaukin | Device with a height-adjustable working platform |
| JP3049550B2 (en) * | 1997-07-22 | 2000-06-05 | 元 渡部 | Automatic ladder device |
| CN102877781A (en) * | 2012-05-07 | 2013-01-16 | 单发成 | Emergency evacuation ladder |
| CN202810636U (en) * | 2012-09-17 | 2013-03-20 | 殷杰 | Power maintenance ladder with transportation device |
| CN206845079U (en) * | 2017-05-10 | 2018-01-05 | 邱英英 | A kind of library of stable safety arranges ladder with books |
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