CN113882371A - Anchor rod tensioning structure after anchor sealing - Google Patents

Anchor rod tensioning structure after anchor sealing Download PDF

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Publication number
CN113882371A
CN113882371A CN202111236382.4A CN202111236382A CN113882371A CN 113882371 A CN113882371 A CN 113882371A CN 202111236382 A CN202111236382 A CN 202111236382A CN 113882371 A CN113882371 A CN 113882371A
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CN
China
Prior art keywords
anchor
extension
anchor rod
jack
sleeve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202111236382.4A
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Chinese (zh)
Other versions
CN113882371B (en
Inventor
舒国志
唐迅
何小军
马君伟
黄向科
郑纯玲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Housing Safety And Engineering Quality Inspection And Appraisal Center
Shenzhen Gongkan Geotechnical Group Co Ltd
Original Assignee
Shenzhen Housing Safety And Engineering Quality Inspection And Appraisal Center
Shenzhen Gongkan Geotechnical Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Shenzhen Housing Safety And Engineering Quality Inspection And Appraisal Center, Shenzhen Gongkan Geotechnical Group Co Ltd filed Critical Shenzhen Housing Safety And Engineering Quality Inspection And Appraisal Center
Priority to CN202111236382.4A priority Critical patent/CN113882371B/en
Publication of CN113882371A publication Critical patent/CN113882371A/en
Application granted granted Critical
Publication of CN113882371B publication Critical patent/CN113882371B/en
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/74—Means for anchoring structural elements or bulkheads
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D33/00—Testing foundations or foundation structures
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
    • Y02A10/23—Dune restoration or creation; Cliff stabilisation

Abstract

The invention relates to the technical field of anchor rods, and discloses an anchor rod tensioning structure after anchor sealing, which comprises an anchor rod, wherein the anchor rod is provided with an extension section exposed at the outer side of a building, the extension section is connected with an anchor device pressed on the outer surface of the building, the anchor device is provided with an extension steel bar and a sleeve, the lower end of the extension steel bar is inserted into the sleeve and is fixedly connected with the sleeve, a tensioner is arranged on the outer surface of the building, the upper end of the extension steel bar penetrates through the tensioner from bottom to top, and the top of the tensioner is fixedly connected with the upper end of the extension steel bar. The extension section fixed connection of ground tackle and stock through installing the sleeve on the ground tackle, inserts the extension reinforcing bar in the sleeve, changes the stock and reserves the not enough current situation of length, installs the tensioner on the surface of the structure thing, and the tensioner stretches extension reinforcing bar outwards, extension reinforcing bar outwards tensile sleeve and ground tackle, and then carries out the stretch-draw to the stock, has solved the stock and has reserved the length not enough, is difficult to carry out the problem of stretch-draw.

Description

Anchor rod tensioning structure after anchor sealing
Technical Field
The invention relates to the technical field of anchor rods, in particular to an anchor rod tensioning structure after anchor sealing.
Background
The anchor bolt support is a reinforcing support mode adopted in surface engineering such as side slopes, rock-soil deep foundation pits and the like and underground chamber construction such as tunnels, stopes and the like. The method is characterized in that a pole column is made of metal pieces, wood pieces, polymer pieces or other materials, and is driven into a hole which is drilled in advance in an earth surface rock body or a rock body around a chamber, and the special structure of the head part and the pole body and a tail supporting plate (which can be omitted) are utilized, or the surrounding rock and a stable rock body are combined together by depending on the bonding action to generate the suspension effect, the combination beam effect and the reinforcing effect, so that the aim of supporting is fulfilled. The method has the advantages of low cost, good supporting effect, simple and convenient operation, flexible use, less occupied construction clearance and the like.
As an important form of geotechnical engineering reinforcement, anchor rod support is increasingly applied to the field of geotechnical engineering in China due to the advantages of safety, high efficiency, low cost and the like. After the anchor rod in the supporting system finishes anchor sealing, the reserved length of the anchor rod is insufficient due to some reasons, and tensioning is difficult to carry out. For the situation, no better solution exists at present.
Disclosure of Invention
The invention aims to provide an anchor rod tensioning structure after anchor sealing, and aims to solve the problems that in the prior art, the reserved length of an anchor rod is insufficient, and tensioning is difficult.
The invention relates to an anchor rod tensioning structure after being sealed and anchored, which comprises an anchor rod and an extension steel bar, wherein the anchor rod is provided with an extension section exposed out of the outer surface of a construction, the extension section is fixedly connected with an anchorage device pressed against the outer surface of the construction, the anchorage device is fixedly connected with a plurality of sleeves, the lower end of the extension steel bar is inserted into the sleeves and is fixedly connected with the sleeves, a tensioner for applying upward pulling force to the extension steel bar and tensioning the anchor rod is installed on the outer surface of the construction, the upper end of the extension steel bar penetrates through the tensioner from bottom to top, and the top of the tensioner is fixedly connected with the upper end of the extension steel bar.
Further, the sleeve has a sleeve hole, the inner wall of sleeve hole is equipped with the screw thread, the lower extreme of extension reinforcing bar inserts in the sleeve hole, and with sleeve hole threaded connection.
Furthermore, the tensioner comprises a jack, a fixing piece and a supporting stool, wherein the supporting stool is installed on the outer surface of the building, the bottom of the jack is arranged on the supporting stool, the fixing piece is arranged at the top of the jack, and the upper end of the extension steel bar sequentially penetrates through the supporting stool and the jack and is fixedly connected with the fixing piece.
Furthermore, along the direction from bottom to top, a hollow area which penetrates through the jack up and down is arranged in the middle of the jack, and the extension steel bar penetrates through the hollow area.
Further, the mounting is including setting up the bearing plate at the top of jack and setting up grip block on the bearing plate, the upper end of extension reinforcing bar is passed behind the hollow area, passes the bearing plate, the grip block centre gripping the upper end of extension reinforcing bar, grip block top-down butt is in on the bearing plate.
Further, along the upward direction of the extension section, the anchorage device comprises a fixing part and a movable part located above the fixing part, the movable part and the fixing part are movably arranged, the fixing part is fixed on the outer surface of the construction, the movable part is provided with an upward end face arranged upward, and the sleeve is fixedly arranged on the upward end face;
the extension section passes the fixed part and with fixed part swing joint, the extension section passes the movable part and with movable part fixed connection, the fixed part with be equipped with between the movable part and be used for the restriction the movable part for the restriction structure of fixed part removal down, jack reversal stretch-draw up during the extension reinforcing bar, the extension reinforcing bar is right the movable part carries out the stretch-draw, the fixed part keeps the stationary state.
Further, limit structure includes the spring, the spring along the axial extension of stock arranges, the bottom of spring is supporting and is pressing the fixed part, the top of spring is supporting and is pressing the movable part, the jack is upwards stretch-draw in the opposite direction before the extension reinforcing bar, the spring is in compression state.
Furthermore, a guide hole is formed in the movable part, a guide post is arranged on the fixed part, the guide post and the outer surface of the building are vertically arranged, and the guide post movably penetrates through the guide hole from bottom to top.
Furthermore, the guide post is provided with an exposed section which penetrates through the movable part and extends to the upper part of the movable part, the exposed section is provided with a clamping block, the top of the movable part is sunken with a clamping groove, and after the clamping block is embedded into the clamping groove, the clamping block limits the movable part to move upwards relative to the fixed part.
Furthermore, the movable part is provided with a plurality of guiding holes, and is a plurality of the guiding holes encircle the center of the movable part and are arranged, the fixed part is provided with a plurality of guiding columns, and the guiding columns encircle the center of the fixed part and are arranged, and the guiding columns correspondingly penetrate through the plurality of guiding holes.
Compared with the prior art, the anchor rod tensioning structure after anchor sealing provided by the invention has the advantages that the anchor is fixedly connected with the extension section of the anchor rod, the sleeve is arranged on the anchor, the extension steel bar is inserted into the sleeve, the current situation that the reserved length of the anchor rod is insufficient is changed, the tensioning device is arranged on the outer surface of a building, the tensioning device stretches the extension steel bar outwards, the extension steel bar stretches the sleeve and the anchor rod outwards, and then the anchor rod is tensioned, so that the problems that the reserved length of the anchor rod is insufficient and tensioning is difficult are solved.
Drawings
FIG. 1 is a schematic view of a post-anchor-seal anchor bolt tensioning arrangement provided by the present invention;
FIG. 2 is a schematic view of an anchor of the anchor rod tensioning structure after the anchor is sealed;
in the figure: the anchor rod 100, the extension section 101, the construction 102, the anchoring section 103, the free section 104, the anchorage 105, the extension steel bar 106, the sleeve 107, the support stool 108, the jack 109, the sleeve hole 110, the hollow area 111, the pressure bearing plate 112, the clamping block 113, the fixing part 114, the movable part 115, the upward end face 116, the spring 117, the guide post 118, the exposed section 119, the clamping block 120, the clamping groove 121 and the guide face 122.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following describes the implementation of the present invention in detail with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
Referring to fig. 1-2, the preferred embodiment of the present invention is shown.
The anchor rod tensioning structure after anchoring comprises an anchor rod 100 and an extension reinforcing steel bar 106, wherein the anchor rod 100 is provided with an internal section and an external section 101, the internal section is positioned on the inner side of a construction 102 and is divided into an anchoring section 103 and a free section 104, the anchoring section 103 is an inward section of the internal section and is fixedly connected with the construction 102, the free section 104 is an outward section of the internal section and is not directly connected with the construction 102, the external section 101 is exposed on the outer side of the construction 102, the external section 101 is connected with an anchorage device 105, the anchorage device 105 is pressed on the outer surface of the construction 102, the anchorage device 105 is fixedly connected with a plurality of sleeves 107, the lower end of the extension reinforcing steel bar 106 is inserted into the sleeves 107, and is fixedly connected with a sleeve 107, the outer surface of the construction 102 is provided with a tensioner, the tensioner applies upward tension to the extension steel bar 106 and tensions the anchor rod 100, the upper end of the extension steel bar 106 penetrates through the tensioner from bottom to top, and the top of the tensioner is fixedly connected with the upper end of the extension steel bar 106.
The anchor 105 is fixedly connected with the extension section 101 of the anchor rod 100, the sleeve 107 is installed on the anchor 105, the extension steel bars 106 are inserted into the sleeve 107, the current situation that the reserved length of the anchor rod 100 is insufficient is changed, the tensioning device is installed on the outer surface of the building 102, the tensioning device stretches the extension steel bars 106 outwards, the extension steel bars 106 stretch the sleeve 107 and the anchor 105 outwards, the anchor rod 100 is tensioned, and the problems that the reserved length of the anchor rod 100 is insufficient and tensioning is difficult are solved.
The sleeve 107 is provided with a sleeve hole 110, the inner wall of the sleeve hole 110 is provided with threads, the lower end of the extension steel bar 106 is in threaded connection with the sleeve hole 110, and after the lower end of the extension steel bar 106 is inserted into the sleeve hole 110, the extension steel bar 106 is rotated clockwise until the lower end of the extension steel bar 106 is stably connected with the sleeve hole 110.
The tensioning device comprises a jack 109, a fixing piece and a supporting stool 108, wherein the supporting stool 108 is installed on the outer surface of the construction 102, the supporting stool 108 is arranged vertical to the outer surface of the construction 102, the bottom of the jack 109 is arranged on the supporting stool 108, the bottom of the jack 109 is fixedly connected with the top of the supporting stool 108, the jack 109 is arranged vertical to the top of the supporting stool 108, the fixing piece is arranged on the top of the jack 109, an anchorage 105 is positioned inside the supporting stool 108, and the upper end of an extension steel bar 106 connected with a sleeve 107 on the anchorage 105 sequentially penetrates through the supporting stool 108 and the jack 109 and is fixedly connected with the fixing piece.
When the anchor rod 100 is tensioned, the top of the jack 109 is ejected upwards along the axial direction of the jack 109, the fixing piece positioned at the top of the jack 109 moves upwards under the pushing of the jack 109, the extension steel bar 106 fixedly connected with the fixing piece at the upper end is pulled upwards by the fixing piece to complete the tensioning of the anchor rod 100, and the supporting stool 108 fixedly connected with the bottom of the jack 109 serves as a base of the jack 109 to ensure that the jack 109 cannot deviate in position in the process of ejecting upwards.
Along the direction from bottom to top, the middle part of the jack 109 is internally provided with a hollow area 111, the hollow area 111 vertically penetrates through the jack 109, and the extension steel bar 106 penetrates through the hollow area 111 to avoid the direct contact between the extension steel bar 106 and the jack 109.
The fixing piece comprises a bearing plate 112 and a clamping block 113, the bearing plate 112 is arranged at the top of the jack 109, the clamping block 113 is located above the bearing plate 112, the bearing plate 112 is used for bearing the thrust of the jack 109, the clamping block 113 is used for clamping the upper end of the extension steel bar 106, the upper end of the extension steel bar 106 penetrates through the hollow area 111 of the jack 109 and then penetrates through the bearing plate 112, the clamping block 113 clamps the upper end of the extension steel bar 106, the clamping block 113 abuts against the bearing plate 112 from top to bottom, and the upper end of the extension steel bar 106 is relatively fixed with the jack 109.
When the anchor rod 100 is tensioned, the top of the jack 109 is pushed upward along the axial direction of the jack 109 to apply upward thrust to the bearing plate 112, the bearing plate 112 applies upward thrust to the clamping block 113, the clamping block 113 tensions the extension bar 106 upward, and the extension bar 106 tensions the anchor rod 100 upward through the tensioning sleeve 107 and the anchor device 105.
Along the upward direction of the extension 101, the anchorage 105 comprises a fixed portion 114 and a movable portion 115, the fixed portion 114 being fixed to the outer surface of the structure 102, the movable portion 115 being located above the fixed portion 114, the movable portion 115 being movably disposed between the fixed portion 114 and the movable portion 115, the movable portion 115 having an upwardly facing end face 116 disposed upwardly, and the sleeve 107 being mounted on the upwardly facing end face 116.
The extension section 101 penetrates through the fixed portion 114 and is movably connected with the fixed portion 114, the extension section 101 penetrates through the movable portion 115 and is fixedly connected with the movable portion 115, a limiting structure is arranged between the fixed portion 114 and the movable portion 115 and is used for limiting the movable portion 115 to move downwards relative to the fixed portion 114, when the top of the jack 109 is ejected upwards, the clamping block 113 stretches the extension steel bars 106 upwards, the extension steel bars 106 stretch the movable portion 115, the fixed portion 114 keeps a fixed state, the extension steel bars 106 pull the movable portion 115 to move upwards away from the fixed portion 114, the movable portion 115 stretches the extension section 101 of the anchor rod 100 upwards, and then the anchor rod 100 is stretched.
The limiting structure comprises a spring 117, the spring 117 is arranged along the axial extension of the anchor rod 100, the bottom of the spring 117 presses against the fixed part 114, the bottom of the spring 117 is fixedly connected with the top of the fixed part 114, the top of the spring 117 presses against the movable part 115, the top of the spring 117 is fixedly connected with the bottom of the movable part 115, before the top of the jack 109 is ejected upwards, the spring 117 is in a compression state, the fixed part 114 gives an upward supporting force to the movable part 115 through the spring 117, when the jack 109 is ejected upwards, the clamping block 113 stretches the extension steel bar 106 upwards, the fixed part 114 keeps a fixed state, the extension steel bar 106 pulls the movable part 115 to move upwards away from the fixed part 114, and the spring 117 is gradually restored to the original state.
The movable part 115 is provided with a guide hole, the fixed part 114 is provided with a guide post 118, the guide post 118 is vertically arranged with the outer surface of the construction object 102, and the guide post 118 movably penetrates through the guide hole from bottom to top. The movable portion 115 is provided with a guide hole, the fixed portion 114 is provided with a guide post 118 arranged corresponding to the guide hole, the fixed portion 114 is provided with a guide surface 122 facing the movable portion 115, the bottom of the guide post 118 is fixedly connected with the guide surface 122, the guide post 118 is perpendicular to the guide surface 122 and faces the movable portion 115, the guide post 118 is arranged perpendicular to the outer surface of the building 102, the guide post 118 penetrates through the guide hole from bottom to top, the guide post 118 is movably connected with the guide hole, the guide post 118 is matched with the guide hole, when the jack 109 is ejected upwards, the clamping block 113 stretches the extension steel bar 106 upwards, the extension steel bar 106 pulls the movable portion 115 to move upwards away from the fixed portion 114, the movable portion 115 moves upwards along the guide post 118, and transverse position deviation of the movable portion 115 in the upwards moving process is avoided.
The guide column 118 is provided with an exposed section 119, the exposed section 119 penetrates through the movable part 115 and extends to the upper side of the movable part 115, the exposed section 119 is movably connected with the movable part 115, a clamping block 120 is arranged at the top of the exposed section 119, a clamping groove 121 is formed in the top of the movable part 115 in a concave mode, when the jack 109 is ejected upwards, the clamping block 113 stretches the extension steel bar 106 upwards, the extension steel bar 106 pulls the movable part 115 to move upwards away from the fixed part 114, the movable part 115 moves upwards along the guide column 118 until the clamping block 120 is embedded into the clamping groove 121, and the clamping block 120 limits the movable part 115 to move upwards relative to the fixed part 114, so that excessive stretching of the anchor rod 100 is avoided.
The movable part 115 is equipped with a plurality of guiding holes, a plurality of guiding holes are arranged around the center of the movable part 115, be equipped with a plurality of guide posts 118 on the fixed part 114, the bottom and the spigot surface 122 fixed connection of a plurality of guide posts 118, a plurality of guide posts 118 are perpendicular and towards the movable part 115 with spigot surface 122, a plurality of guide posts 118 are arranged around the center of fixed part 114, a plurality of guide posts 118 correspond and pass a plurality of guiding holes, a plurality of guide posts 118 and a plurality of spigot hole cooperation, when jack 109 is ejecting upwards, the extension reinforcing bar 106 of upwards stretching of grip block 113, the extension reinforcing bar 106 is drawing the movable part 115 and is deviating from the fixed part 114 and move upwards, the movable part 115 moves upwards along a plurality of guide posts 118, a plurality of guide posts 118 make the removal of movable part 115 more stable, the skew of direction of movement is difficult to take place.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. Anchor rod tension structure after sealing the anchor, its characterized in that, including anchor rod, extension reinforcing bar, the anchor rod has the extension section of exposing at the surface of building thing, extension section fixedly connected with supports and presses the ground tackle on the surface of building thing, a plurality of sleeves of ground tackle fixedly connected with, the lower extreme of extension reinforcing bar inserts in the sleeve, and with sleeve fixed connection, it is right to install on the surface of building thing the extension reinforcing bar is applyed pulling force, stretch-draw upwards the tensioner of anchor rod, the upper end of extension reinforcing bar passes from bottom to top the tensioner, the top of tensioner with the upper end fixed connection of extension reinforcing bar.
2. The post-anchor-closure anchor rod tensioning structure according to claim 1, wherein the sleeve has a sleeve hole, an inner wall of the sleeve hole is provided with a thread, and a lower end of the extension bar is inserted into the sleeve hole and is threadedly coupled with the sleeve hole.
3. The post-anchor-closure anchor rod tensioning structure according to claim 1, wherein the tensioner includes a jack, a fixing member and a support stool, the support stool is installed on an outer surface of the construction, a bottom of the jack is placed on the support stool, the fixing member is disposed on a top of the jack, and an upper end of the extension bar is fixedly connected to the fixing member through the support stool and the jack in sequence.
4. A post-anchor-closure anchor rod tension structure as claimed in claim 3, wherein the jack has a hollow area extending up and down through the jack in a middle portion thereof in a bottom-up direction, the extension bar passing through the hollow area.
5. The post-anchor-sealing anchor rod tensioning structure according to claim 3, wherein the fixing member includes a bearing plate provided at a top of the jack and a clamping block provided on the bearing plate, an upper end of the extension bar passes through the bearing plate after passing through the hollow area, the clamping block clamps the upper end of the extension bar, and the clamping block abuts on the bearing plate from top to bottom.
6. A post-anchor-closure anchor rod tensioning structure according to any one of claims 3 to 5, wherein, in the upward direction of the extended section, the anchor comprises a fixed portion and a movable portion located above the fixed portion, the movable portion and the fixed portion are movably arranged, the fixed portion is fixed on the outer surface of the construction, the movable portion has an upward end face arranged upward, and the sleeve is fixedly arranged on the upward end face;
the extension section passes the fixed part and with fixed part swing joint, the extension section passes the movable part and with movable part fixed connection, the fixed part with be equipped with between the movable part and be used for the restriction the movable part for the restriction structure of fixed part removal down, jack reversal stretch-draw up during the extension reinforcing bar, the extension reinforcing bar is right the movable part carries out the stretch-draw, the fixed part keeps the stationary state.
7. A post-anchor-seal anchor bolt tensioning arrangement according to claim 6, wherein the restraining arrangement includes a spring disposed along the axial extent of the anchor bolt, the spring having a bottom portion bearing against the fixed portion and a top portion bearing against the movable portion, the spring being in compression prior to the jack tensioning the extension bar upwardly in the opposite direction.
8. A post-anchor-sealing anchor rod tensioning structure according to claim 6, wherein a guide hole is provided in the movable portion, a guide post is provided on the fixed portion, the guide post is arranged perpendicular to an outer surface of the structure, and the guide post is movable through the guide hole from bottom to top.
9. The post-anchor-sealing anchor rod tensioning structure according to claim 8, wherein the guide post has an exposed section that passes through the movable portion and extends above the movable portion, the exposed section is provided with a locking block, a locking groove is recessed in a top portion of the movable portion, and the locking block restricts upward movement of the movable portion relative to the fixed portion after the locking block is inserted into the locking groove.
10. A post-anchor-closure anchor rod tensioning structure according to claim 8, wherein the movable portion is provided with a plurality of the guide holes, the plurality of the guide holes are arranged around a center of the movable portion, the fixed portion is provided with a plurality of the guide posts, the plurality of the guide posts are arranged around a center of the fixed portion, and the plurality of the guide posts correspondingly pass through the plurality of the guide holes.
CN202111236382.4A 2021-10-22 2021-10-22 Anchor rod tensioning structure after anchor sealing Active CN113882371B (en)

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Application Number Priority Date Filing Date Title
CN202111236382.4A CN113882371B (en) 2021-10-22 2021-10-22 Anchor rod tensioning structure after anchor sealing

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CN113882371B CN113882371B (en) 2023-05-05

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1150453A (en) * 1997-08-07 1999-02-23 Kurosawa Kensetsu Kk Anchorage device of ground anchor head
CN102108703A (en) * 2010-12-20 2011-06-29 中铁隧道集团有限公司 Adjustable prestressed anchoring device
CN204475321U (en) * 2015-01-14 2015-07-15 姚炳祥 A kind of main muscle Recyclable anchor rope
CN110761283A (en) * 2019-12-03 2020-02-07 山东建勘集团有限公司 Anchor rod compensation tensioning device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1150453A (en) * 1997-08-07 1999-02-23 Kurosawa Kensetsu Kk Anchorage device of ground anchor head
CN102108703A (en) * 2010-12-20 2011-06-29 中铁隧道集团有限公司 Adjustable prestressed anchoring device
CN204475321U (en) * 2015-01-14 2015-07-15 姚炳祥 A kind of main muscle Recyclable anchor rope
CN110761283A (en) * 2019-12-03 2020-02-07 山东建勘集团有限公司 Anchor rod compensation tensioning device

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