CN114319341A - Crowded formula stock that expands of transmission line freight transportation cableway - Google Patents
Crowded formula stock that expands of transmission line freight transportation cableway Download PDFInfo
- Publication number
- CN114319341A CN114319341A CN202111522072.9A CN202111522072A CN114319341A CN 114319341 A CN114319341 A CN 114319341A CN 202111522072 A CN202111522072 A CN 202111522072A CN 114319341 A CN114319341 A CN 114319341A
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- locking
- barrel
- transmission line
- locking groove
- inner barrel
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 21
- 238000001125 extrusion Methods 0.000 claims abstract description 45
- 230000001360 synchronised effect Effects 0.000 abstract 1
- 239000011435 rock Substances 0.000 description 11
- 238000004873 anchoring Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 6
- 239000011083 cement mortar Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The invention discloses a squeezing expansion type anchor rod of a freight cableway of a power transmission line, which comprises an outer barrel, wherein an outer expansion strip is movably arranged on the outer barrel, and the outer expansion strip and the outer barrel are of an integrally formed structure; an inner barrel is movably arranged in the outer barrel, the outer barrel is detachably connected with the inner barrel, and an extrusion block corresponding to the outer expansion strip is arranged on the inner barrel; be provided with first locking subassembly on the direction passageway, form between first locking subassembly and the direction passageway and be used for the switching-over passageway, be provided with on the urceolus and be used for second locking subassembly, be provided with on the inner tube with second locking subassembly matched with third locking subassembly. The inner barrel is driven to move the extrusion block, the synchronous extrusion outer expansion strip can be extruded to stretch out outwards, the inner barrel can be pushed to different positions according to different pulling resistance requirements, the first locking component, the second locking component and the third component are matched with each other to fix the inner barrel in the outer barrel, and meanwhile, the inner barrel is simpler and more convenient to disassemble and can be recycled integrally.
Description
Technical Field
The invention relates to a squeezing and expanding anchor rod for a freight cableway of a power transmission line.
Background
The anchor rod foundation is a foundation type that foundation bolts or reinforcing steel bars are used as anchor bars and directly anchored into a rock hole drilled by machinery, cementing materials such as high-grade cement mortar or fine aggregate concrete are adopted for pouring, and the anchor bars and the rock body are integrated to resist load transmitted by an upper structure through cementing of the cementing materials such as the cement mortar or the fine aggregate concrete in the rock hole.
Rock anchor rod foundations in overhead transmission line engineering are generally group anchor foundations, the number of required anchor rods is large, the number of corresponding mechanical drilling holes is large, and the construction process is complicated; grouting is needed in the anchoring process, the process is complicated, and a large amount of cementing materials such as high-grade cement mortar or fine aggregate concrete are consumed.
Disclosure of Invention
The invention provides a crowded expansion anchor rod for a freight cableway of a power transmission line, aiming at the technical problems that a rock anchor rod foundation in the current overhead power transmission line engineering adopts a group anchor foundation, the number of holes is large, high-grade cement or fine sand concrete needs to be poured and reinforced, the cost is high, the construction is complicated, and the rock anchor rod cannot be recycled.
In order to solve the above problems, the technical solution of the present invention is realized as follows:
the application discloses a squeezing and expanding type anchor rod for a freight cableway of a power transmission line, which comprises an outer barrel, wherein an outer expanding strip is movably arranged on the outer barrel, the outer expanding strip and the outer barrel are of an integrally formed structure, a movable channel corresponding to the outer expanding strip is formed on the outer barrel, and the outer expanding strip is movably arranged in the movable channel; an inner barrel is movably arranged in the outer barrel, the outer barrel is detachably connected with the inner barrel, an extrusion block corresponding to the outer expanding strip is arranged on the inner barrel, a guide channel communicated with the movable channel is arranged in the outer barrel, and the extrusion block is slidably arranged in the guide channel and used for pushing the outer expanding strip to extend outwards; the inner barrel is provided with a first locking component used for clamping the extrusion block, a reversing channel used for adjusting the rotation direction of the inner barrel is formed between the first locking component and the guide channel, the outer barrel is provided with a second locking component used for clamping the inner barrel, and the inner barrel is provided with a third locking component matched with the second locking component.
This application drives the extrusion piece through the inner tube and removes and can expand the strip outwards in step extrusion, and according to the withdrawal resistance demand of difference, can promote the inner tube to different positions department and utilize first locking subassembly, second locking subassembly and third subassembly are mutually supported and are fixed the inner tube in the urceolus, only need simultaneously with locking subassembly and third locking subassembly unblock when follow-up dismantlement, after rotating the inner tube afterwards, can pull out the inner tube, the whole operation is more simple and convenient, and recoverable cyclic utilization, the construction cost is low.
Preferably, the number of the outer expanding strips is at least two groups, and the outer expanding strips are arranged at intervals along the axial direction of the outer barrel.
Preferably, two adjacent groups of the outer expansion strips are positioned on the same straight line.
Preferably, two adjacent groups of the outer expanding strips are arranged on the outer barrel at intervals in a staggered mode.
Preferably, each set of the outer expansion strips comprises at least two outer expansion strips, and the outer expansion strips are symmetrically arranged along the circumferential direction of the outer barrel.
Preferably, the first locking assembly comprises locking grooves, guide steps are formed between the two sides of the locking grooves in the axial direction of the outer cylinder and the guide channels, the reversing channels are formed between the locking grooves in the radial direction of the outer cylinder and the guide channels, and the pressing block slides along the guide steps and is locked in the locking grooves.
Preferably, the locking grooves include a first locking groove disposed near the outer cylinder inlet and a second locking groove disposed near the outer cylinder outlet; the first locking groove and the second locking groove cooperate with the second locking assembly for securing the inner barrel within the outer barrel.
Preferably, the setting height of the first locking groove is greater than that of the second locking groove, and a guide slope surface for the extrusion block to rapidly move from the first locking groove to the second locking groove is arranged between the first locking groove and the second locking groove.
Preferably, the longitudinal section of the extrusion block is in the shape of a fin.
Preferably, the second locking assembly comprises a fixing hole, the third locking assembly comprises a first locking hole and a second locking hole, the fixing hole is matched with the first locking hole and the second locking hole, when the extrusion block is positioned in the first locking groove, the fixing hole is communicated with the first locking hole, and locking rods penetrate through the fixing hole and the first locking hole; when the extrusion block is positioned in the second locking groove, the fixing hole is communicated with the second locking hole, and a locking rod penetrates through the fixing hole and the second locking hole; the outer cylinder is further provided with a lifting lug, and the inner cylinder can be detachably provided with an operating rod.
Compared with the prior art, the invention has the beneficial effects that:
this application drives the extrusion piece through the inner tube and removes and to expand the strip outwards outward in step extrusion, can reduce the loaded down with trivial details degree of rock crowd's anchor foundation work progress, can not adopt grout operation mode to realize the anchor operation and produce the withdrawal resistance, and according to the withdrawal resistance demand of difference, can promote the inner tube to different positions department and utilize first locking subassembly, second locking subassembly and third subassembly are mutually supported and are fixed the inner tube in the urceolus, only need simultaneously when follow-up dismantlement with locking subassembly and third locking subassembly unblock, rotate the inner tube afterwards after, can pull out the inner tube, the whole operation is more simple and convenient, and recoverable cyclic utilization, low in construction cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 the drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a top view of the squeezed anchor rod of the power transmission line freight cableway.
Fig. 3 is a sectional view of the outer cylinder a-a in fig. 2.
FIG. 4 is a cross-sectional view of the inner barrel A-A of FIG. 2.
Fig. 5 is a schematic structural view of the outer tub.
FIG. 6 is a schematic structural view of the inner barrel.
Fig. 7 is a schematic view of the operation state of the squeezed anchor rod of the power transmission line freight cableway.
In the figure, 1 is an outer cylinder, 11 is a locking rod, 12 is a lifting lug, 13 is a fixing hole, 14 is a first locking groove, 15 is a second locking groove, 2 is an inner cylinder, 21 is an operating rod, 22 is an operating rod mounting hole, 23 is a second locking hole, 24 is a first locking hole, 3 is a guide channel, 4 is an outward expansion piece, and 5 is an extrusion block.
Detailed Description
The technical scheme of the application is specifically explained in the following by combining the attached drawings 1-7:
as shown in fig. 1-7, the application discloses a squeezing expansion type anchor rod for a freight cableway of a power transmission line, which comprises an outer barrel 1, wherein an outer expansion strip 4 is movably arranged on the outer barrel 1, the outer expansion strip 4 and the outer barrel 1 are of an integrally formed structure, a movable channel corresponding to the outer expansion strip 4 is arranged on the outer barrel 1, and the outer expansion strip 4 is movably arranged in the movable channel. That is to say, the outer expanding strip arranged on the outer barrel is a full-length outer expanding strip, the root part of the outer expanding strip and the outer barrel body are integrally formed, and the head part of the outer expanding strip and the main part of the outer expanding strip move in the movable channel.
Specifically, the number of the outer expanding strips 4 is at least two, and the outer expanding strips 4 are arranged at intervals along the axial direction of the outer barrel 1. That is to say, at least two sets of external expansion strips are arranged at different height positions along the axial direction of the outer cylinder at intervals, and the anchoring strength of the whole outer cylinder can be enhanced by utilizing the at least two sets of external expansion strips. The number of the outer expanding strips in the embodiment of the application is two.
In some embodiments, two adjacent sets of the outer expansion strips 4 are in the same straight line. That is to say, arrange two sets of outer expanding strip respectively on same straight line, reduce the resistance that the urceolus was extracted the in-process, be convenient for follow-up pull out the urceolus from the anchor downthehole fast.
In some embodiments, two adjacent sets of the outer expanding strips 4 are arranged on the outer barrel 1 in a staggered and spaced manner. That is, two adjacent groups of external expansion strips are arranged in a staggered manner along the axial direction of the outer cylinder, and the two groups of external expansion strips arranged in a staggered manner can enhance the anchoring strength of the whole outer cylinder
In some embodiments, each set of the outer expansion strips 4 comprises at least two outer expansion strips and the outer expansion strips are symmetrically arranged along the circumferential direction of the outer barrel. That is to say, each group of external expansion strips comprises a plurality of external expansion strips annularly arranged on the outer side of the outer barrel, and the plurality of external expansion strips annularly arranged on the outer side of the outer barrel along the circumferential direction of the outer barrel can improve the contact area between the outer barrel and the anchoring hole and improve the overall anchoring strength of the outer barrel. It should be noted that each group of the outer expanding strips in the embodiment of the present application includes 6 outer expanding strips, and the 6 outer expanding strips are uniformly arranged along the circumferential direction of the outer cylinder.
The outer barrel is characterized in that an inner barrel 2 is movably arranged in the outer barrel 1, the outer barrel 1 is detachably connected with the inner barrel 2, an extrusion block 5 corresponding to the outer expanding strip 4 is arranged on the inner barrel 2, a guide channel 3 communicated with the movable channel is arranged in the outer barrel 1, and the extrusion block 5 is arranged in the guide channel 3 in a sliding mode and used for pushing the outer expanding strip 4 to extend outwards. That is to say, arranged the extrusion piece of a plurality of and outer expanding strip one-to-one on the inner tube to every extrusion piece slides in the direction passageway, can prevent through the direction passageway that the skew appears in the removal in-process in the extrusion piece, the extrusion piece promotes outer expanding strip and outwards stretches out at the removal in-process simultaneously, the outer expanding strip that outwards stretches out supports and leans on in the anchor hole inner wall, and then realizes the anchor of urceolus, the reinforced construction method of traditional high-grade cement embedment has been saved, the cost is reduced, the follow-up dismantlement of being convenient for simultaneously. It should be noted that the length of the inner cylinder in the embodiment of the present application is greater than that of the outer cylinder, so as to facilitate subsequent external operation of the inner cylinder.
The inner barrel is characterized in that a first locking component used for clamping and fixing the extrusion block is arranged on the guide channel 3, a reversing channel used for adjusting the rotation direction of the inner barrel is formed between the first locking component and the guide channel 3, a second locking component used for clamping and fixing the inner barrel is arranged on the outer barrel 1, and a third locking component matched with the second locking component is arranged on the inner barrel 2. That is to say, still set up first locking subassembly on the direction passageway, when the inner tube inwards remove to target in place and satisfy actual need's withdrawal resistance requirement, first locking subassembly is solid with the extrusion piece locking card this moment, and third locking subassembly and second locking subassembly on the inner tube and the urceolus corresponding position just in time reach the locking position this moment, connect the locking with second locking subassembly and third locking subassembly, and then fix the inner tube in the urceolus.
Specifically, the first locking assembly comprises locking grooves, guide steps are respectively formed between two axial sides of the locking grooves along the outer cylinder 1 and the guide channel 3, the reversing channel is formed between the locking grooves along the radial direction of the outer cylinder and the guide channel 3, and the extrusion block 5 slides along the guide steps and is locked in the locking grooves. That is to say, set up the locking groove on the direction passageway, the difference in height between locking groove and the direction passageway forms the direction ladder, slide into the locking inslot through the direction ladder fast from the direction passageway roll-off when the extrusion piece, utilize the locking groove to carry out spacing locking to the extrusion piece, the inner tube keeps interim locking this moment, complete locking of inner tube and urceolus is accomplished through second locking subassembly and third locking subassembly mutually supporting afterwards, when follow-up needs are dismantled, unblock second locking subassembly and third locking subassembly, rotate the inner tube afterwards, the extrusion piece can enter into not spacing region through the switching-over passageway, the inner tube is in complete unlocking state this moment, can take the inner tube out in the urceolus fast, accomplish the dismantlement work of inner tube.
In some embodiments, the locking grooves include a first locking groove 14 and a second locking groove 15, the first locking groove 14 is disposed near the inlet of the outer cylinder 1, and the second locking groove 15 is disposed near the outlet of the outer cylinder 1; the first locking grooves 14 and the second locking grooves 15 cooperate with the second locking assembly for securing the inner barrel 2 within the outer barrel 1. That is to say, with the locking groove design for including the locking structure in first locking groove and second locking groove, utilize two locking grooves in first locking groove and second locking groove to realize the locking requirement of the different distances of inner tube, and then satisfy the nimble adjustment of different withdrawal resistance demands, through the installation locking position of adjustment inner tube, realize different anchor demands then.
In some embodiments, the first locking groove 14 is provided at a height greater than that of the second locking groove 15, and a guide slope surface for the pressing block to rapidly move from the first locking groove to the second locking groove is provided between the first locking groove 14 and the second locking groove 15. That is to say, the position of the first locking groove needs to be slightly higher than the position of the second locking groove, and when the inner cylinder needs to be adjusted in position, a worker can quickly push the inner cylinder to drive the extrusion block to slide into the second locking groove from the first locking groove to achieve a temporary secondary locking state, so that different anchoring requirements are met.
In some embodiments, the longitudinal cross-sectional shape of the expression nubs 5 is fin-shaped. That is to say, utilize the outside outstanding spacing face of extrusion piece of fin-shaped and the spacing face of locking inslot to support each other and lean on the interim locking state that can realize the inner tube, can slide fast from the domatic second locking groove that enters into of direction and reach interim secondary locking because the spacing face of extrusion piece becomes the curved surface of certain radian under the effect of external force.
The second locking assembly comprises a fixing hole 13, the third locking assembly comprises a first locking hole 24 and a second locking hole 23, the fixing hole 13 is matched with the first locking hole 24 and the second locking hole 23, when the extrusion block 5 is positioned in the first locking groove 14, the fixing hole 13 is communicated with the first locking hole 24, and the locking rod 11 penetrates through the fixing hole 13 and the first locking hole 24; when the extrusion block 5 is located in the second locking groove 15, the fixing hole 13 is communicated with the second locking hole 23, and a locking rod 11 penetrates through the fixing hole 13 and the second locking hole 23; the outer cylinder 1 is further provided with a lifting lug 12, the inner cylinder 2 can be detachably provided with an operating rod 21, the inner cylinder is provided with an operating rod mounting hole 22, and the operating rod 21 can be detachably arranged in the operating rod mounting hole 22 in a penetrating mode. That is to say, when the extrusion block enters the first locking groove, the fixing hole is correspondingly communicated with the first locking hole, the operator can insert the locking rod into the fixing hole and the first locking hole to realize complete locking of the inner barrel, when the extrusion block enters the second locking groove, the fixing hole is correspondingly communicated with the second locking hole, and the operator can insert the locking rod into the fixing hole and the second locking hole to realize complete locking; when carrying out the withdrawal resistance test, be connected to the lug through external equipment on, can be convenient for follow-up stability carry out the withdrawal resistance test, when operating the inner tube simultaneously, usable action bars will be convenient for the inner tube extract, insert and rotate, the action bars is the round pin axle in this application embodiment.
Taking a certain construction site with geological conditions as rocks as an example, the extrusion expansion type anchor rod provided by the invention is adopted for anchoring operation. Before operation, a rock hole with the diameter slightly larger than that of the outer cylinder and the depth slightly larger than the length of the outer cylinder body is drilled on the rock. During operation, the outer cylinder is placed into a drilled rock hole; then inserting an operating rod into an operating rod mounting hole of the inner barrel body, controlling the inner barrel to descend through manpower or equipment, and enabling the extrusion block to be always positioned in the outer barrel guide channel in the descending process; when the first locking hole of the inner cylinder is flush with the fixing hole, the locking rod is inserted into the corresponding first locking hole and the corresponding fixing hole, so that the extrusion block and the first locking groove are completely locked; when the extrusion block enters the second locking groove, the fixing hole is correspondingly communicated with the second locking hole, and an operator can insert the locking rod into the fixing hole and the second locking hole to realize complete locking; and finally, connecting the lifting lug with external equipment, and carrying out a pulling resistance test or using the lifting lug in engineering. After the operation is finished, the outer cylinder body lifting lug connecting piece is removed and recovered; the inner cylinder operating rod is rotated left and right by manpower or equipment to separate the extrusion block from the outer expanding strip locking groove part, and the inner cylinder is pulled out upwards; the outer barrel is pulled out upwards through the outer barrel lifting lug by manpower or equipment.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (10)
1. A squeezing expansion type anchor rod of a freight cableway of a power transmission line comprises an outer barrel, wherein an outer expansion strip is movably arranged on the outer barrel; an inner barrel is movably arranged in the outer barrel, the outer barrel is detachably connected with the inner barrel, an extrusion block corresponding to the outer expanding strip is arranged on the inner barrel, a guide channel communicated with the movable channel is arranged in the outer barrel, and the extrusion block is slidably arranged in the guide channel and used for pushing the outer expanding strip to extend outwards; the inner barrel is provided with a first locking component used for clamping the extrusion block, a reversing channel used for adjusting the rotation direction of the inner barrel is formed between the first locking component and the guide channel, the outer barrel is provided with a second locking component used for clamping the inner barrel, and the inner barrel is provided with a third locking component matched with the second locking component.
2. The squeezed anchor rod for the power transmission line freight cableway according to claim 1, wherein the number of the outer expanding strips is at least two, and at least two groups of the outer expanding strips are arranged at intervals along the axial direction of the outer cylinder.
3. The squeezed expansion type anchor rod for the power transmission line freight cableway as claimed in claim 2, wherein two adjacent groups of the outer expansion strips are positioned on the same straight line.
4. The squeezed anchor rod for the power transmission line freight cableway as claimed in claim 2, wherein two adjacent groups of the outer expanding strips are arranged on the outer cylinder at intervals in a staggered manner.
5. The squeezed expansion type anchor rod for the power transmission line freight cableway as claimed in any one of claims 2 to 4, wherein each group of the outer expansion strips comprises at least two outer expansion strips, and the outer expansion strips are symmetrically arranged along the circumferential direction of the outer barrel.
6. The squeezed anchor rod for the power transmission line freight cableway as claimed in claim 1, wherein the first locking component comprises locking grooves, guide steps are respectively formed between the locking grooves and the guide channels along two axial sides of the outer cylinder, the locking grooves form the reversing channels along the radial direction of the outer cylinder and the guide channels, and the squeezing blocks slide along the guide steps and are locked in the locking grooves.
7. The crowded-expanding anchor rod for power transmission line freight ropeways as claimed in claim 6, wherein the locking grooves comprise a first locking groove and a second locking groove, the first locking groove is arranged near the inlet of the outer cylinder, and the second locking groove is arranged near the outlet of the outer cylinder; the first locking groove and the second locking groove cooperate with the second locking assembly for securing the inner barrel within the outer barrel.
8. The squeezed anchor rod for the power transmission line freight cableway as claimed in claim 7, wherein the first locking groove is arranged at a height greater than that of the second locking groove, and a guide slope for the extrusion block to rapidly move from the first locking groove to the second locking groove is arranged between the first locking groove and the second locking groove.
9. The squeezed anchor rod for the power transmission line freight cableway according to claim 1, 6 or 8, wherein the longitudinal section of the squeezing block is in the shape of a fin.
10. The squeezed anchor rod for the power transmission line freight cableway as claimed in claim 7, wherein the second locking assembly comprises a fixing hole, the third locking assembly comprises a first locking hole and a second locking hole, the fixing hole is matched with the first locking hole and the second locking hole, when the extrusion block is located in the first locking groove, the fixing hole is communicated with the first locking hole, and locking rods penetrate through the fixing hole and the first locking hole; when the extrusion block is positioned in the second locking groove, the fixing hole is communicated with the second locking hole, and a locking rod penetrates through the fixing hole and the second locking hole; the outer cylinder is further provided with a lifting lug, and the inner cylinder can be detachably provided with an operating rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111522072.9A CN114319341B (en) | 2021-12-13 | 2021-12-13 | Extrusion expansion type anchor rod for freight cableway of power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111522072.9A CN114319341B (en) | 2021-12-13 | 2021-12-13 | Extrusion expansion type anchor rod for freight cableway of power transmission line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114319341A true CN114319341A (en) | 2022-04-12 |
| CN114319341B CN114319341B (en) | 2023-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111522072.9A Active CN114319341B (en) | 2021-12-13 | 2021-12-13 | Extrusion expansion type anchor rod for freight cableway of power transmission line |
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| CN (1) | CN114319341B (en) |
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| Publication number | Publication date |
|---|---|
| CN114319341B (en) | 2023-11-10 |
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