CN220645989U - Anchor rod device for underground building support construction - Google Patents

Anchor rod device for underground building support construction Download PDF

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Publication number
CN220645989U
CN220645989U CN202420291960.7U CN202420291960U CN220645989U CN 220645989 U CN220645989 U CN 220645989U CN 202420291960 U CN202420291960 U CN 202420291960U CN 220645989 U CN220645989 U CN 220645989U
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CN
China
Prior art keywords
mounting
rod
stabilizing
rod body
extension rod
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Active
Application number
CN202420291960.7U
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Chinese (zh)
Inventor
燕京辉
孔令千
易明昆
郭新贺
向志良
胡强
廖雄龙
唐涛
董洪鹏
朱珠
沈铭
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China Railway Beijing Engineering Bureau Group Xiong'an Engineering Co ltd
China Railway Tianfeng Construction Engineering Co Ltd
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China Railway Beijing Engineering Bureau Group Xiong'an Engineering Co ltd
China Railway Tianfeng Construction Engineering Co Ltd
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Priority to CN202420291960.7U priority Critical patent/CN220645989U/en
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Publication of CN220645989U publication Critical patent/CN220645989U/en
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Abstract

The utility model discloses an anchor rod device for underground building support construction, which comprises an extension rod body, wherein one end of the extension rod body is provided with a stabilizing component, the other end of the extension rod body is provided with a mounting rod, the stabilizing component, the extension rod body and the mounting rod are connected to form a main body part of the anchor rod, and a mounting plate is sleeved outside the mounting rod; the outer surface of the mounting rod is provided with mounting threads which are connected with mounting bolts, and the extension rod body can be provided with a plurality of sections in the use process, so that the length of the whole anchor rod can adapt to the use of the lengths of different mounting holes; when the bolt is used, the extension rod body, the stabilizing component and the mounting rod are connected, then the extension rod body, the stabilizing component and the mounting rod are inserted into the mounting hole, the mounting plate is sleeved outside the mounting rod and is positioned outside the mounting hole, the mounting bolt is screwed down along the mounting thread, finally the whole bolt device can be fixedly mounted in the mounting hole, the application range is wide, and the stability is higher.

Description

Anchor rod device for underground building support construction
Technical Field
The utility model relates to the technical field of support construction, in particular to an anchor rod device for underground building support construction.
Background
Hydropower station engineering construction stage, especially underground factory building system, there are more large-section grottos, grotto group excavation in general, highway, railway engineering also have long-distance grotto excavation, these grottos are generally mainly excavated by construction machinery in the excavation stage, the artificial strength of configuration is weaker, often there is the slow influence of progress that causes the insufficient configuration of construction resources of support, cause the idle scheduling problem of excavation construction equipment easily, and the slow potential safety hazard that will be unfavorable for the stability of grotto too of construction progress of support, therefore the effective utilization excavates construction machinery equipment to accomplish the support construction is a new thinking, and then reach the mesh that excavation and support construction go on synchronously;
the utility model patent with the publication number of CN212642772U discloses an anchor rod installation and grouting device for underground building support construction, which comprises a support trolley and an anchor rod, wherein one side of the support trolley is provided with a grouting device on the ground, the inner top end of a tunnel hole is provided with an installation hole, the installation hole is matched with the anchor rod, the support trolley is provided with a propulsion device, the propulsion device is used for propelling the anchor rod installation, and a grouting pipe is arranged between the grouting device and the installation hole. The utility model has the effects that when the top end in the tunnel is supported by the anchor rod, the anchor rod can be inserted and grouted at the same time, so that the potential safety hazard is reduced;
but among the above-mentioned technical scheme, the fixed in-process of roof-bolter and mounting hole, the condition of sliding appears easily between roof-bolter and the mounting hole, and simultaneously, roof-bolter's suitability is not strong, can't better adapt in the mounting hole of different diameters and length in the face.
Disclosure of Invention
The utility model aims to provide an anchor rod device for underground building support construction, which solves the problems in the background.
The aim of the utility model can be achieved by the following technical scheme:
the anchor rod device for the underground building support construction comprises an extension rod body, wherein one end of the extension rod body is provided with a stabilizing assembly, and the other end of the extension rod body is provided with a mounting rod;
the stabilizing component comprises a pushing tube connected with the end part of the extension rod body, a stabilizing rod is arranged at one end of the pushing tube far away from the extension rod body, and a grouting head is sleeved outside the stabilizing rod;
the outer side of the grouting head is provided with a plurality of stabilizing pieces in a rotary mode in an annular array;
the grouting device comprises a grouting head, wherein a plurality of stabilizing limiting blocks are arranged on the inner side of the grouting head at equal intervals, a plurality of fixing blocks are arranged on the outer side of a stabilizing rod in an annular array, and the fixing blocks are connected with the stabilizing limiting blocks in a clamping mode.
As a further scheme of the utility model: the outside of firm pole is annular array and has seted up a plurality of hidden grooves, be provided with firm spring in the hidden groove, the one end grafting of fixed block slide set up in the hidden groove, the fixed block be located the hidden inslot one end with firm spring butt.
As a further scheme of the utility model: the outside of propulsion pipe is annular array rotation and is provided with a plurality of connecting rods, the tip of connecting rod with one side of stabilizing piece rotates to be connected.
As a further scheme of the utility model: the side surface of the grouting head is provided with a plurality of grouting openings in an annular array.
As a further scheme of the utility model: the outer side of the extension rod body is provided with a plurality of stabilizing frames in an annular array.
As a further scheme of the utility model: a plurality of stabilizer bars are arranged in the middle of the stabilizer frame at equal intervals.
As a further scheme of the utility model: the mounting plate is sleeved outside the mounting rod;
the surface of installation pole has seted up the installation screw thread and threaded connection has the mounting bolt.
As a further scheme of the utility model: one side of the mounting plate is provided with a plurality of reinforcing ribs in an annular array.
As a further scheme of the utility model: the propulsion pipe is close to the one end of extension body of rod is provided with preceding screwed joint, the one end of extension body of rod close to propulsion pipe be provided with preceding screwed joint adaptation's preceding nut joint.
As a further scheme of the utility model: the extension rod body is provided with rear screwed joint near the one end of installation pole, the one end of installation pole near the extension rod body be provided with rear screwed joint adaptation's rear nut connects, the one end that the installation pole kept away from rear nut connects is provided with the interface of filling.
The utility model has the beneficial effects that:
(1) In the utility model, when the stabilizing rod advances forwards, the stabilizing limit firstly plays a role in extruding the fixed block, after the fixed block moves to the next stabilizing limit, the fixed block is clamped with the previous stabilizing limit, and when the stabilizing rod advances forwards, the connecting rod outside the pushing pipe simultaneously pushes the stabilizing piece, so that the stabilizing piece can respectively realize the effect of propping against the mounting hole, and in the using and mounting process, the larger the distance of the stabilizing rod at the end part of the pushing pipe along the grouting head is, the larger the acting force between the stabilizing piece and the mounting hole is, and the more stable is when the fixing bolt locks outside the mounting hole; the fixing piece is abutted against the mounting hole under the action of the pushing tube, and can adapt to the mounting holes with different diameters, so that the application range is wide;
(2) According to the utility model, the number of the extension rod bodies can be determined according to the depth of the mounting holes, then the stabilizing component, the extension rod bodies and the mounting rods are in threaded connection, the number of the extension rod bodies can be selectively increased or reduced, the support work of the mounting holes with different depths can be adapted, and the application range is wider.
Drawings
The utility model is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic partial cross-sectional view of a connection structure between a stabilizer bar and a grouting head according to the present utility model;
FIG. 3 is a schematic view of a mounting plate structure of the present utility model;
fig. 4 is a schematic diagram of the utility model in use.
In the figure: 1. a stabilizing assembly; 11. a grouting head; 110. a grouting port; 111. a stabilizing sheet; 112. stably limiting; 12. a propulsion tube; 120. a front threaded joint; 121. a connecting rod; 122. a stabilizing rod; 1220. hiding the groove; 1221. a stabilizing spring; 123. a fixed block; 21. extending the rod body; 210. a front nut joint; 211. a rear threaded joint; 22. a stabilizing rack; 221. a stabilizer bar; 31. a mounting rod; 310. a rear nut joint; 311. a perfusion interface; 312. installing a thread; 32. installing a bolt; 33. a mounting plate; 331. reinforcing ribs.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, the utility model is an anchor rod device for supporting construction of underground construction, comprising an extension rod body 21, wherein one end of the extension rod body 21 is provided with a stabilizing component 1, the other end is provided with a mounting rod 31, the stabilizing component 1, the extension rod body 21 and the mounting rod 31 are connected to form a main body part of the anchor rod, wherein a mounting plate 33 is sleeved outside the mounting rod 31; the outer surface of the mounting rod 31 is provided with mounting threads 312 and is in threaded connection with a mounting bolt 32, and the extension rod body 21 can be installed in a plurality of sections in the use process, so that the length of the whole anchor rod can adapt to the use of the lengths of different mounting holes; when the anchor rod device is used, the extension rod body 21, the stabilizing component 1 and the mounting rod 31 are connected and then inserted into the mounting hole, the mounting plate 33 is sleeved outside the mounting rod 31 and is positioned outside the mounting hole, the mounting bolt 32 is screwed along the mounting thread 312, and finally the whole anchor rod device and the mounting hole can be mounted and fixed.
Referring to fig. 1 and 2, the stabilizing assembly 1 comprises a pushing tube 12 connected with the end of an extension rod body 21, a stabilizing rod 122 is arranged at one end of the pushing tube 12 far away from the extension rod body 21, a grouting head 11 is sleeved outside the stabilizing rod 122, and a plurality of grouting openings 110 are formed in an annular array on the side surface of the grouting head 11 and used for grouting concrete in the anchor rod installation and fixing process;
secondly, a plurality of stabilizing pieces 111 are rotatably arranged on the outer side of the grouting head 11 in an annular array; a plurality of connecting rods 121 are rotatably arranged on the outer side of the pushing tube 12 in an annular array, and then the end parts of the connecting rods 121 are rotatably connected with one side of the stabilizing sheet 111;
in addition, a plurality of stable limiting blocks 112 are arranged at equal intervals on the inner side of the grouting head 11, and a plurality of fixed blocks 123 are arranged on the outer side of the stable rod 122 in an annular array, and the fixed blocks 123 are connected with the stable limiting blocks 112 in a clamping manner;
referring to fig. 4, in the use process, after the stabilizing assembly 1 is installed at one end of the extension rod 21 and is inserted into the installation hole along with the extension rod 21, the grouting head 11 is firstly propped against the end in the installation hole, at this time, the extension rod 21 is continuously pushed forward, so that the fixing block 123 at the end of the pushing tube 12 moves forward along the stabilizing limit 112 at the inner side of the end of the grouting head 11, and meanwhile, the connecting rod 121 at the outer side of the pushing tube 12 further pushes the stabilizing piece 111 under the pushing action of the pushing tube 12, so that the stabilizing piece 111 is outwards opened and props against the side wall of the installation hole; at this time, the mounting plate 33 and the mounting bolts 32 can be fixed outside the mounting holes, and then the concrete grouting work can be performed.
Specifically, with respect to the connection structure of the stabilizer bar 122 and the grouting head 11, reference is made to fig. 2; the outside of firm pole 122 is annular array and sets up a plurality of hidden grooves 1220, all set up a firm spring 1221 in every hidden groove 1220, the one end grafting slip of fixed block 123 sets up in hidden groove 1220, and the tip and the firm spring 1221 butt of fixed block 123, the terminal surface of fixed block 123 is the inclined plane in the design, likewise, the cross section of firm spacing 112 is also the inclined plane, when firm pole 122 advances, firm spacing 112 plays the extruded effect to fixed block 123 earlier, after fixed block 123 removes to the spacing 112 of next firm, just form the joint with the spacing 112 of previous firm, when firm pole 122 advances forward, promote the connecting rod 121 outside of pipe 12 promotes firm piece 111 simultaneously, and then make firm piece 111 realize the effect of supporting tightly to the mounting hole respectively, in the use installation, the distance that advances the firm pole 122 of pipe 12 tip is along slip casting head 11 is big, then the effort between firm piece 111 and the mounting hole just stabilizes when locking outside the mounting hole through mounting bolt 32.
The fixing piece 111 supports the mounting holes tightly under the action of the pushing tube 12, and the fixing piece 111 can adapt to the mounting holes with different diameters and has wide application range.
Referring to fig. 1, since the whole anchor rod device needs to be inserted into the mounting hole and poured with concrete, in order to ensure that a stable integrated structure is formed with the whole anchor rod device after the concrete is poured, a plurality of stabilizing frames 22 are arranged on the outer side of the extension rod body 21 in a ring-shaped array, meanwhile, a plurality of stabilizing rods 221 are arranged in the middle of the stabilizing frames 22 at equal intervals, after the concrete is poured, the stabilizing frames 22 and the stabilizing rods 221 form a reinforcing effect on the concrete, and a more stable and more fastened supporting structure is formed after the anchor rod device and the concrete are poured in the mounting hole.
In order to ensure that the mounting plate 33 deforms in the process of fastening the mounting bolt 32, a plurality of reinforcing ribs 331 are arranged on one side, close to the mounting hole, of the mounting plate 33 in an annular array, as shown in fig. 3, after the mounting rod 31, the extension rod body 21 and the stabilizing component 1 are fixed in the mounting hole, the mounting plate 33 can be sleeved outside the mounting rod 31, then the mounting plate is screwed down through the mounting bolt 32, and the mounting hole is further sealed through the mounting plate 33, so that the situation of leakage caused by concrete pouring is avoided.
With respect to the connection between the securing assembly 1, the extension rod body 21 and the mounting rod 31, referring to fig. 1, a front screw joint 120 is provided at one end of the push tube 12 near the extension rod body 21;
the end of each extension rod body 21 near the pushing tube 12 is provided with a front nut joint 210 which is matched with the front threaded joint 120; meanwhile, a rear screw joint 211 is provided at one end of the extension rod body 21 near the mounting rod 31;
the one end that is close to extension body of rod 21 at installation pole 31 is provided with the back nut joint 310 that is fit with back screwed joint 211 again, simultaneously, the one end that is kept away from back nut joint 310 at installation pole 31 sets up the interface 311 that fills, in the use, according to the degree of depth of mounting hole, confirm the number of extension body of rod 21, then with firm subassembly 1, extension body of rod 21 and installation pole 31 carry out threaded connection can, the number of extension body of rod 21 can carry out the selectivity increase or reduce, can the support work of the mounting hole of the different degree of depth of adaptation, application scope is wider.
The working principle of the utility model is as follows:
referring to fig. 4, in use, a certain number of extension rod bodies 21 are selected according to the depth of the mounting hole, then the stabilizing assembly 1, the extension rod bodies 21 and the mounting rod 31 are fixedly connected through threads to obtain a bolt connecting piece, then the bolt connecting piece is inserted into the mounting hole, the grouting head 11 is firstly abutted against the end part in the mounting hole, then the mounting rod 31 is pushed continuously to push the extension rod bodies 21 forwards, the fixing block 123 at the end part of the pushing tube 12 is moved forwards along the stabilizing limit 112 at the inner side of the end part of the grouting head 11, meanwhile, the connecting rod 121 at the outer side of the pushing tube 12 further pushes the stabilizing piece 111 under the pushing action of the pushing tube 12, the stabilizing piece 111 is outwards opened and abutted against the side wall of the mounting hole until the mounting rod 31 cannot be pushed, then the mounting plate 33 is sleeved outside the mounting rod 31, then the mounting bolt 32 is screwed tightly, the mounting hole is sealed through the mounting plate 33, and finally the concrete pouring tube and the pouring interface 311 at the end part of the mounting rod 31 are connected.
The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.

Claims (10)

1. The anchor rod device for underground building support construction comprises an extension rod body (21), and is characterized in that one end of the extension rod body (21) is provided with a stabilizing component (1), and the other end of the extension rod body (21) is provided with a mounting rod (31);
the stabilizing assembly (1) comprises a pushing tube (12) connected with the end part of the extension rod body (21), a stabilizing rod (122) is arranged at one end, far away from the extension rod body (21), of the pushing tube (12), and a grouting head (11) is sleeved outside the stabilizing rod (122);
the outer side of the grouting head (11) is provided with a plurality of stabilizing sheets (111) in a rotating mode in an annular array;
the grouting device is characterized in that a plurality of stable limiting blocks (112) are arranged on the inner side of the grouting head (11) at equal intervals, a plurality of fixing blocks (123) are arranged on the outer side of the stable rod (122) in an annular array, and the fixing blocks (123) are connected with the stable limiting blocks (112) in a clamping mode.
2. The anchor rod device for supporting construction of an underground building according to claim 1, wherein a plurality of hidden grooves (1220) are formed in the outer side of the stabilizing rod (122) in an annular array, a stabilizing spring (1221) is arranged in the hidden grooves (1220), one end of the fixing block (123) is inserted and slidably arranged in the hidden grooves (1220), and one end of the fixing block (123) located in the hidden grooves (1220) is abutted to the stabilizing spring (1221).
3. The anchor rod device for underground building support construction according to claim 1, wherein a plurality of connecting rods (121) are rotatably arranged on the outer side of the pushing tube (12) in an annular array, and the end parts of the connecting rods (121) are rotatably connected with one side of the stabilizing sheet (111).
4. The anchor rod device for underground building support construction according to claim 1, wherein the side surface of the grouting head (11) is provided with a plurality of grouting openings (110) in an annular array.
5. A roof bolt device for underground construction support construction according to claim 1, characterized in that the outside of the extension rod body (21) is provided with a number of stabilizing frames (22) in a ring-shaped array.
6. A roof bolt arrangement for underground construction support construction according to claim 5, characterized in that the middle part of the stabilizer frame (22) is provided with a number of stabilizer bars (221) at equal intervals.
7. A roof bolt arrangement for use in underground construction support construction according to claim 1, wherein the outer part of the mounting rod (31) is sleeved with a mounting plate (33);
the outer surface of the mounting rod (31) is provided with mounting threads (312) and is in threaded connection with a mounting bolt (32).
8. A roof bolt arrangement for use in the construction of underground construction props according to claim 7, characterised in that the mounting plate (33) is provided with a plurality of reinforcing bars (331) in an annular array on one side.
9. A roof bolt arrangement for underground construction support construction according to claim 1, characterized in that the end of the propulsion tube (12) close to the extension tube (21) is provided with a front threaded joint (120), and the end of the extension tube (21) close to the propulsion tube (12) is provided with a front nut joint (210) adapted to the front threaded joint (120).
10. A roof bolt device for underground building support construction according to claim 9, characterized in that the end of the extension rod body (21) close to the mounting rod (31) is provided with a rear threaded joint (211), the end of the mounting rod (31) close to the extension rod body (21) is provided with a rear nut joint (310) adapted to the rear threaded joint (211), and the end of the mounting rod (31) remote from the rear nut joint (310) is provided with a pouring interface (311).
CN202420291960.7U 2024-02-18 2024-02-18 Anchor rod device for underground building support construction Active CN220645989U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202420291960.7U CN220645989U (en) 2024-02-18 2024-02-18 Anchor rod device for underground building support construction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202420291960.7U CN220645989U (en) 2024-02-18 2024-02-18 Anchor rod device for underground building support construction

Publications (1)

Publication Number Publication Date
CN220645989U true CN220645989U (en) 2024-03-22

Family

ID=90285026

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202420291960.7U Active CN220645989U (en) 2024-02-18 2024-02-18 Anchor rod device for underground building support construction

Country Status (1)

Country Link
CN (1) CN220645989U (en)

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