CN106115498A - A kind of adhesion type pole - Google Patents
A kind of adhesion type pole Download PDFInfo
- Publication number
- CN106115498A CN106115498A CN201610645344.7A CN201610645344A CN106115498A CN 106115498 A CN106115498 A CN 106115498A CN 201610645344 A CN201610645344 A CN 201610645344A CN 106115498 A CN106115498 A CN 106115498A
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- China
- Prior art keywords
- pole
- upright post
- holding
- limiting
- lifting
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- 229910000838 Al alloy Inorganic materials 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 15
- 230000005540 biological transmission Effects 0.000 abstract description 12
- 230000005611 electricity Effects 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000011218 segmentation Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/02—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with non-adjustable and non-inclinable jibs mounted solely for slewing movements
- B66C23/027—Pivot axis separated from column axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/16—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs supported by columns, e.g. towers having their lower end mounted for slewing movements
- B66C23/166—Simple cranes with jibs which may be fixed or can slew or luff
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/20—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures
- B66C23/203—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures with supporting couples provided by posts, e.g. scaffolding, trees or masts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/84—Slewing gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/88—Safety gear
- B66C23/94—Safety gear for limiting slewing movements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/34—Arrangements for erecting or lowering towers, masts, poles, chimney stacks, or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C2700/00—Cranes
- B66C2700/03—Cranes with arms or jibs; Multiple cranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C2700/00—Cranes
- B66C2700/08—Electrical assemblies or electrical control devices for cranes, winches, capstans or electrical hoists
- B66C2700/084—Protection measures
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Electric Cable Installation (AREA)
Abstract
The open a kind of adhesion type pole of the present invention, relates to transmission line construction special equipment technical field, presses close to railway for solution or time railway run-through line carries out transmission line of electricity Poling Construction, the lifting problem of crossing frame support body.Described adhesion type pole, including: the pole column of hollow, the bottom of pole column is provided with the fixing device for making pole column fix with crossing frame, and the top of pole column is provided with boom hoisting；Wherein, boom hoisting includes lifting arm and lifting rope, and one end of lifting arm is connected with the top of pole column, and the other end of lifting arm is unsettled to be stretched out；Being provided with fixed pulley in lifting arm, one end of lifting rope is unsettled through fixed pulley, and the other end of lifting rope hangs down to ground through pole column.The adhesion type pole that the present invention provides is for the lifting of crossing frame support body.
Description
Technical Field
The invention relates to the technical field of special equipment for power transmission line construction, in particular to an attached holding pole.
Background
With the high-speed development of the ultra-high voltage transmission construction, the situation that the ultra-high voltage transmission line crosses important facilities, such as high-speed railways, expressways and the like, often occurs, and the frequency and difficulty of the ultra-high voltage transmission line crossing the important facilities are increased day by day.
At present, in the crossing construction process of a power transmission line, a crane is generally used for hoisting operation, and the crossing frame body is installed. However, when the construction site of the power transmission line is close to a railway or a railway through line, safety accidents are easy to happen if a crane is used for hoisting, and due to the existence of railway related facilities, the hoisted crossing frame body parts are difficult to be accurately positioned, and the construction difficulty is high. Therefore, it is urgently needed to provide a special device which can be close to a railway or a railway through line to carry out power transmission line stringing construction.
Disclosure of Invention
The invention aims to provide an attached holding pole which is used for solving the problem of hoisting a crossing frame body when a railway or a railway through line is close to for the stringing construction of a power transmission line.
In order to achieve the above purpose, the invention provides the following technical scheme:
an attachable clasping pole comprising: the device comprises a hollow holding pole upright post, wherein a fixing device for fixing the holding pole upright post and a crossing frame is arranged at the bottom of the holding pole upright post, and a hoisting device is arranged at the top of the holding pole upright post; wherein,
the lifting device comprises a lifting arm and a lifting rope, one end of the lifting arm is connected with the top of the holding pole upright post, and the other end of the lifting arm is suspended in the air and extends out;
a fixed pulley is arranged in the lifting arm, one end of the lifting rope passes through the fixed pulley to be suspended, and the other end of the lifting rope passes through the holding pole stand column to be hung to the ground.
According to the requirement of real-time hoisting when a spanning frame body is built step by step, the attached holding pole provided by the invention can be installed on the side surface of the top of the spanning frame built at the bottom layer at any time through the fixing device, so that the overhead position of the top of the built spanning frame can be effectively utilized, only a small operation surface is needed, and the occupation of a hoisting field is reduced, therefore, the attached holding pole provided by the invention can be suitable for the spanning construction site of any power transmission line, and is particularly close to the construction site of a railway or a railway through line; and the lifting rope passes through the suspended end of the fixed pulley, suspends the subsequent crossing frame body part needing to be installed, and the other end of the lifting rope passes through the pole column and hangs down to the ground, so that the operating personnel can control the lifting rope on the ground, and the lifting of the crossing frame body part is completed.
Compared with the hoisting operation by using a crane in the prior art, the attached holding pole provided by the invention has a simple structure, but can enhance the flexibility of hoisting the crossing frame body part by directly controlling the hoisting rope by operating personnel, is easy to avoid obstacles and can reduce the occurrence of safety accidents; moreover, the attached holding pole provided by the invention can be mounted at any time and can be tightly attached to the side surface of the crossing frame body through the fixing device, so that when the crossing frame body part is hoisted through the hoisting rope, the hoisted crossing frame body part can be accurately positioned, and the site construction of operators is greatly facilitated.
Therefore, the attached holding pole provided by the invention can well finish the hoisting of the crossing frame body when the attached holding pole is close to a railway or a railway through line for the stringing construction of a power transmission line.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of an attached holding pole according to an embodiment of the present invention;
fig. 2 is a schematic top view of an attached pole according to an embodiment of the present invention.
Reference numerals:
1-a fixing device, 2-a holding pole upright post,
3-a rotating device, 4-a hoisting device,
41-lifting arm, 42-fixed pulley,
43-lifting rope, 5-spanning frame body part.
Detailed Description
For the sake of understanding, the attached holding pole provided by the embodiment of the invention is described in detail below with reference to the attached drawings.
Referring to fig. 1 and fig. 2, an attached pole according to an embodiment of the present invention includes: the crossing structure comprises a hollow holding pole upright post 2, wherein the bottom of the holding pole upright post 2 is provided with a fixing device 1 for fixing the holding pole upright post 2 and a crossing frame, and the top of the holding pole upright post 2 is provided with a hoisting device 4; the hoisting device 4 comprises a hoisting arm 41 and a hoisting rope 43, wherein one end of the hoisting arm 41 is connected with the top of the derrick mast 2, and the other end of the hoisting arm 41 is suspended and extends out; a fixed pulley 42 is arranged in the lifting arm 41, one end of a lifting rope 43 passes through the fixed pulley 42 to be suspended, and the other end of the lifting rope 43 passes through the holding pole upright post 2 to be suspended to the ground.
In specific implementation, according to the requirement of real-time hoisting when the spanning frame is built step by step, the attached derrick provided by the embodiment of the invention can be installed on the top side surface of the spanning frame built at the bottom layer at any time through the fixing device 1, then the hoisting rope 43 passes through the suspended end of the fixed pulley 42 to suspend the spanning frame body part 5 to be installed subsequently, the other end of the hoisting rope 43 passes through the derrick upright post 2 to be hung on the ground, and an operator controls the hoisting rope 43 on the ground to complete hoisting of the spanning frame body part 5.
According to the specific implementation process, when the attached holding pole is used for hoisting the crossing frame body part 5, the attached holding pole is randomly arranged on the side face of the top of the crossing frame built on the bottom layer through the fixing device 1, the overhead position of the top of the built crossing frame can be effectively utilized, only a small working surface is needed, and the occupation of a hoisting field is reduced.
Moreover, although the attached holding pole provided by the embodiment of the invention has a simple composition structure, the flexibility of hoisting the spanning frame body part 5 can be enhanced through the direct operation and control of the hoisting rope 43 by the operator, so that the obstacle is easy to avoid, and the occurrence of safety accidents can be reduced.
In addition, the attached holding pole provided by the embodiment of the invention can be mounted at any time and can be tightly attached to the side surface of the crossing frame body through the fixing device 1, so that when the crossing frame body part 5 is hoisted through the hoisting rope 43, the hoisted crossing frame body part 5 can be accurately positioned, and the site construction of an operator is greatly facilitated.
The fixing device 1 is used for fixing the holding pole upright post 2 and the crossing frame, and the specific structure of the fixing device can be various, such as a fixing frame which is fixedly connected with the holding pole upright post 2 and is provided with a fixing mounting hole, and the like. In this embodiment, in order to facilitate the operation of the operator, preferably, the fixing device 1 includes a first hoop 11 and a second hoop 12 connected to the bottom of the pole holding column 2, and the first hoop 11 and the second hoop 12 are arranged at intervals along the axial direction of the pole holding column 2, so as to enhance the supporting strength of the fixing device 1 on the pole holding column 2; and the first anchor ear 11 and the second anchor ear 12 are both provided with extending parts with fixed mounting holes, and the holding pole upright post 2 can be fixed on the crossing frame by combining fastening connecting pieces such as fastening bolts and the like, and is easy to detach.
The fixed pulley 42 may be disposed in the boom 41 in various configurations, for example, the fixed pulley 42 may be located at a suspended end of the boom 41, or at the middle of the boom 41, so long as the lifting rope 43 can lift the crossing frame body part 5. In order to have a larger hoisting space, in the embodiment, the fixed pulley 42 is located at the suspended end of the lifting arm 41, and the lifting rope 43 passing through the fixed pulley 42 can be ensured to hoist the crossing frame body part 5 with a larger volume through the suspended length of the lifting arm 41.
When the fixed pulley 42 is located at the suspended end of the lifting arm 41, optionally, another fixed pulley 42 is additionally arranged at the end, connected with the derrick mast upright 2, of the lifting arm 41, the axes of the two fixed pulleys 42 are located on the same horizontal plane, and when the lifting rope 43 passes through the two fixed pulleys 42 to lift the heavier crossing frame body part 5, the two fixed pulleys 42 can disperse and bear the gravity of the crossing frame body part 5, so that the stable lifting of the crossing frame body part 5 is realized.
It should be noted that the connection between the boom 41 and the derrick mast 2 may be a fixed connection, or may be a connection via the rotating device 3. When the lifting arm 41 is fixedly connected with the pole column 2, the lifting arm 41 can be fixed on the top of the pole column 2 by key connection, riveting, screw connection and the like.
When the lifting arm 41 is connected with the holding pole upright post 2 through the rotating device 3, the lifting arm 41 can rotate around the holding pole upright post 2 so as to realize the lifting of the crossing frame body part 5 in any direction; the structure of the rotating device 3 can be various, so as to realize the rotation of the lifting arm 41 around the holding pole upright 2.
In the attached holding pole provided by the embodiment of the invention, a simple and practical rotating device 3 structure is preferably selected by matching with the structure of the holding pole upright post 2, the rotating device 3 comprises a hollow rotating shaft fixedly connected with the lifting arm 41, and the bottom of the hollow rotating shaft is connected with the top of the holding pole upright post 2 through a bearing.
Specifically, the fixing manner between the hollow rotating shaft and the lifting arm 41 may be welding, riveting, key connection, threaded connection, or the like, and for the convenience of maintenance and replacement of the hollow rotating shaft, a bolt connection is preferred, that is, a connecting part is arranged at the top of the hollow rotating shaft, so that the connecting part and the lifting arm 41 are fastened by a fastening bolt; the bottom of the hollow rotating shaft is connected with the top of the holding pole upright post 2 through a bearing, the bottom of the hollow rotating shaft can be in transition fit with an inner ring of the bearing, an outer ring of the bearing is fixedly connected with the inner surface of the holding pole upright post 2, or the bottom of the hollow rotating shaft is fixedly connected with the inner ring of the bearing, and the outer ring of the bearing is in transition fit with the inner surface of the holding pole upright post 2; the bearing can be rolling bearing.
In order to conveniently regulate and control the rotation angle of the lifting arm 41, the rotating device 3 is provided with a limiting part for limiting the rotation of the lifting arm 41 and a controller for controlling the action of the limiting part; when the lifting arm 41 is rotated to a suitable position, the stopper is operated under the control of the controller to restrict the lifting arm 41 from continuing to rotate.
Optionally, the limiting part comprises a first limiting disc and a second limiting disc which are arranged at intervals along the axial direction of the holding pole upright post 2, the first limiting disc is fixedly sleeved at the bottom of the hollow rotating shaft, the second limiting disc is fixedly sleeved at the top of the holding pole upright post, and a certain gap is formed between the lower disc surface of the first limiting disc and the upper disc surface of the second limiting disc, so that the first limiting disc and the second limiting disc can rotate relatively; the first limiting disc is provided with at least one bolt connected with the controller, and the bolt can move up and down along the axial direction of the first limiting disc under the control of the controller and extend out of or retract into the lower disc surface of the first limiting disc; the upper disc surface of the second limiting disc is provided with a plurality of limiting holes which can be matched with the bolts, the limiting holes are preferably arranged in an equal division manner, the number of the limiting holes is selected and set according to specific division requirements, and the shapes of the limiting holes are matched with the shapes of the bolts, so that the limiting holes can be correspondingly clamped with the bolts extending out of the first limiting disc, and the rotation of the hollow rotating shaft is limited; the shape of the limiting hole can be circular, square or rectangular, and the shape of the bolt can be circular, square or rectangular. It should be noted that the lower disc surface of the first limiting disc refers to a disc surface of the first limiting disc opposite to the second limiting disc.
When the limiting piece with the structure is adopted, the controller can be an electromagnetic controller which specifically comprises a shell, an electromagnetic coil is arranged in the shell and fixedly connected with a spring seat, and a spring fixedly connected with the top end of the bolt is arranged on the spring seat; wherein, the outer wall of casing is fixed in the upper disc face of first spacing dish.
The electromagnetic coil and the spring seat can be fixedly connected in various ways, in this embodiment, the electromagnetic coil can be preferably set to be a cylindrical structure with an internal thread through hole, and the spring seat is correspondingly set to be a cylindrical structure with an external thread, so that the spring seat is installed on the electromagnetic coil through threaded connection. It should be added that the manufacturing material of the plug is iron or other alloy material that can be attracted by magnetic force.
In specific implementation, if the lifting arm 41 needs to rotate, the electromagnetic coil is powered on, the bolt is retracted into the lower disc surface of the first limiting disc under the action of the magnetic force generated by the electromagnetic coil on the attraction of the bolt, so that the hollow rotating shaft can rotate around the holding pole upright post 2, namely, the lifting arm 41 can rotate around the holding pole upright post 2; if the lifting arm 41 rotates to a proper operation angle, the electromagnetic coil is powered off, the magnetic force generated when the electromagnetic coil is powered on disappears, one end of the bolt extends out of the lower disc surface of the first limiting disc and is clamped into the limiting hole of the second limiting disc under the action of the gravity of the bolt, the other end of the bolt is still positioned in the first limiting disc, and the hollow rotating shaft can be limited to continue to rotate around the holding pole upright post 2 under the clamping action of the bolt, the first limiting disc and the second limiting disc, so that the rotation of the lifting arm 41 around the holding pole upright post 2 is limited; in order to facilitate the operation of operators, the on-off of the electromagnetic coil can be realized by remote control.
Of course, the specific structure of the limiting member and the controller is not limited to the above structure, and there may be various options to realize the rotation limiting of the lifting arm 41.
In order to ensure the stable hoisting of the lifting arm 41, the rotating device 3 is further provided with a support, and the support is fixedly connected with the lifting arm 41 so as to enhance the rigidity of the lifting arm 41; the support may be a support rod, a support frame or a support block, and the specific structure thereof is determined according to the spatial position selection between the rotating device 3 and the lifting arm 41.
It should be noted that the holding pole column 2 is a hollow cylindrical structure, and may be an integrated structure, for example, the holding pole column 2 is formed by a complete hollow cylindrical pipe, so as to ensure that the overall strength of the holding pole column 2 easily meets the use requirement; or embrace pole stand 2 and also can be segmentation structure, for example embrace pole stand 2 and constitute by a plurality of pole segmentation of embracing of fixed connection in proper order, through locking device fastening connection between two adjacent pole segmentation, every pole segmentation is hollow cylinder pipe, and locking device can select for use fixed clamp. Through the sectional fixing mode of the holding pole upright post 2, the holding pole upright posts 2 with different heights can be assembled in due time according to the operation requirements on site, so that the lifting height of the attached holding pole can be adjusted at any time, and the field operation with different construction requirements is facilitated.
The concrete parameters of the pole holding column 2, such as the section size, the wall thickness dimension, the length dimension and the like, are finally determined by the skilled in the art after the pole holding column 2 is subjected to model selection and strength check according to the weight, the hoisting length and the like of the required hoisting weight. In order to ensure sufficient stability of the pole post 2 in the attached pole and to allow the lifting arm 41 to lift smoothly, the slenderness ratio of the pole post 2 is generally defined as 120: 1. In addition, the holding pole column 2 can be made of steel, iron, metal alloy or the like, and in order to reduce the overall weight of the attached holding pole and facilitate the carrying and assembly of operators, the holding pole column 2 is preferably an aluminum alloy hollow cylindrical pipe.
In order to more clearly explain the shape selection and strength check of the mast 2 in the above embodiment, the shape selection of the mast 2 when the weight of the hoisted weight is 700kg and the hoisting length is 3m is allowed as an example, and the details are described below.
When the hoisting length is 3 meters, the length of the pole holding upright post 2 is 5 meters, wherein the support length of the pole holding upright post 2 is predicted to be 0.9 meter (the support length refers to the length occupied by the fixing device 1 on the pole holding upright post 2), and the calculated length of the pole holding upright post 2 is predicted to be 4.1 meters;
when a hollow pipe with the specification of phi 120 multiplied by 6mm is selected as the holding pole upright post 2, the outer diameter D of the holding pole upright post 2 is 120mm, the inner diameter D is 108mm, and the weight of each meter of the holding pole upright post 2 is 6.013 kg;
at this time, the turning radius of the pole holding upright post 2 can be calculated and determined according to the related technical parameters of the pole holding upright post 2:and determining the slenderness ratio of the holding pole upright post 2:
then, according to a strength check formula well known by a person skilled in the art, respectively calculating and determining the section inertia moment I, the section resistance moment W and the yield strength sigma of the holding pole upright post 2;
if the yield strength sigma determined by calculation is less than or equal to the allowable yield strength [ sigma ] of the holding pole upright post 2, the specification of the selected hollow pipe is proved to meet the use requirement, namely the hollow pipe with the specification can be used as the holding pole upright post 2;
if the determined yield strength sigma is larger than the allowable yield strength [ sigma ] of the holding pole upright post 2, the specification of the selected hollow pipe is proved to be not in accordance with the use requirement, the specification of the hollow pipe needs to be selected again, and then the strength checking calculation is carried out again until the specification of the selected hollow pipe is confirmed to be capable of meeting the use requirement.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. An attachable pole, comprising: the device comprises a hollow holding pole upright post, wherein a fixing device used for fixing the holding pole upright post and a crossing frame is arranged at the bottom of the holding pole upright post, and a lifting device is arranged at the top of the holding pole upright post; wherein,
the lifting device comprises a lifting arm and a lifting rope, one end of the lifting arm is connected with the top of the holding pole upright post, and the other end of the lifting arm is suspended in the air and extends out;
the lifting arm is internally provided with a fixed pulley, one end of the lifting rope penetrates through the fixed pulley to be suspended, and the other end of the lifting rope penetrates through the pole holding upright post to be hung on the ground.
2. The attachable pole of claim 1, further comprising a rotation device for rotating said lifting arm about said pole post, said lifting arm and said pole post being connected by said rotation device.
3. The attached pole of claim 2, wherein the rotating means comprises a hollow shaft fixedly connected to the boom, the bottom of the hollow shaft being connected to the top of the pole post via a bearing.
4. The attachable clasping pole of claim 3,
the rotating device is provided with a limiting part for limiting the rotation of the lifting arm and a controller for controlling the action of the limiting part.
5. The attachable clasping pole of claim 4,
the limiting part comprises a first limiting disc and a second limiting disc which are arranged at intervals along the axial direction of the pole holding upright post, the first limiting disc and the second limiting disc can rotate relatively, the first limiting disc is fixedly sleeved at the bottom of the hollow rotating shaft, and the second limiting disc is fixedly sleeved at the top of the pole holding upright post; wherein,
the first limiting disc is provided with at least one bolt connected with the controller, and the controller controls the bolt to extend out of or retract into the first limiting disc along the axial direction of the first limiting disc;
the second limiting disc and the disc surface opposite to the first limiting disc are provided with a plurality of limiting holes matched with the bolts.
6. The attached holding pole according to claim 5, wherein the controller is an electromagnetic controller, the electromagnetic controller comprises a housing, an electromagnetic coil is arranged in the housing, the electromagnetic coil is fixedly connected with a spring seat, and a spring fixedly connected with the top end of the bolt is arranged on the spring seat; the outer wall of the shell is fixed on the upper disc surface of the first limiting disc, and the lower disc surface of the first limiting disc is opposite to the disc surface of the second limiting disc provided with a plurality of limiting holes.
7. An attachable derrick according to any of claims 1 to 6, characterised in that the swivel is provided with a support, which is fixedly connected to the boom.
8. The attachable clasping pole of claim 7,
the fixing device comprises a first hoop and a second hoop which are connected with the bottom of the pole holding upright post, and the first hoop and the second hoop are arranged at intervals along the axial direction of the pole holding upright post;
the first hoop and the second hoop are provided with extending portions, and the extending portions are provided with fixing mounting holes used for fixing the pole holding upright post on the crossing frame.
9. The attachable clasping pole of claim 1, wherein the clasping pole upright has a slenderness ratio of 120: 1; the pole holding upright post is an aluminum alloy pole holding upright post.
10. The attached pole of claim 1, wherein the pole upright is a plurality of pole segments fixedly connected in sequence, and two adjacent pole segments are fastened and connected by a locking device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610645344.7A CN106115498B (en) | 2016-08-08 | 2016-08-08 | A kind of adhesion type pole |
Applications Claiming Priority (1)
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107188056A (en) * | 2017-06-05 | 2017-09-22 | 国家电网公司 | A kind of safety auto-controlled device |
| CN107227881A (en) * | 2017-05-10 | 2017-10-03 | 宝鸡市银光电力机具有限责任公司 | A kind of adhesion type is from lifting pole |
| CN108584722A (en) * | 2018-05-08 | 2018-09-28 | 张维康 | A kind of road and bridge construction tool quick-lift attachreactor |
| CN109322532A (en) * | 2018-11-05 | 2019-02-12 | 国网四川省电力公司成都供电公司 | A kind of electric hoisting pole of group of vertical power transmission line column |
| CN109650270A (en) * | 2018-11-30 | 2019-04-19 | 安庆市睿霞机械有限公司 | A kind of building machinery arm attachment device |
| CN110127532A (en) * | 2019-05-31 | 2019-08-16 | 河北省送变电有限公司 | Disconnecting switch hanging apparatus |
| CN110697590A (en) * | 2019-11-13 | 2020-01-17 | 国网上海市电力公司 | Wire lifting device for electrified pole erection removal and ground potential pole erection removal method |
| CN111252685A (en) * | 2020-03-24 | 2020-06-09 | 国网冀北电力有限公司承德供电公司 | Hoisting device |
| CN112158742A (en) * | 2020-09-28 | 2021-01-01 | 广州市鼎隆机电安装有限公司 | Remote control equipment for electromechanical installation |
| CN114084811A (en) * | 2021-11-25 | 2022-02-25 | 中国南方电网有限责任公司超高压输电公司柳州局 | Equalizing ring installation method and hoisting auxiliary device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107227881A (en) * | 2017-05-10 | 2017-10-03 | 宝鸡市银光电力机具有限责任公司 | A kind of adhesion type is from lifting pole |
| CN107188056A (en) * | 2017-06-05 | 2017-09-22 | 国家电网公司 | A kind of safety auto-controlled device |
| CN107188056B (en) * | 2017-06-05 | 2018-11-09 | 国家电网公司 | A kind of safety auto-controlled device |
| CN108584722A (en) * | 2018-05-08 | 2018-09-28 | 张维康 | A kind of road and bridge construction tool quick-lift attachreactor |
| CN109322532A (en) * | 2018-11-05 | 2019-02-12 | 国网四川省电力公司成都供电公司 | A kind of electric hoisting pole of group of vertical power transmission line column |
| CN109650270A (en) * | 2018-11-30 | 2019-04-19 | 安庆市睿霞机械有限公司 | A kind of building machinery arm attachment device |
| CN110127532A (en) * | 2019-05-31 | 2019-08-16 | 河北省送变电有限公司 | Disconnecting switch hanging apparatus |
| CN110697590A (en) * | 2019-11-13 | 2020-01-17 | 国网上海市电力公司 | Wire lifting device for electrified pole erection removal and ground potential pole erection removal method |
| CN110697590B (en) * | 2019-11-13 | 2024-05-07 | 国网上海市电力公司 | Wire lifting device for electrified vertical removing pole and ground potential vertical removing method |
| CN111252685A (en) * | 2020-03-24 | 2020-06-09 | 国网冀北电力有限公司承德供电公司 | Hoisting device |
| CN112158742A (en) * | 2020-09-28 | 2021-01-01 | 广州市鼎隆机电安装有限公司 | Remote control equipment for electromechanical installation |
| CN112158742B (en) * | 2020-09-28 | 2021-05-11 | 广州市鼎隆机电安装有限公司 | Remote control equipment for electromechanical installation |
| CN114084811A (en) * | 2021-11-25 | 2022-02-25 | 中国南方电网有限责任公司超高压输电公司柳州局 | Equalizing ring installation method and hoisting auxiliary device |
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