Anchor rod device for municipal building

Abstract

The utility model discloses an anchor rod device for municipal construction, and relates to the technical field of municipal construction engineering. Comprising an anchoring head, a counterbore is formed in the anchoring head, the anchoring head is in threaded connection with an outer sleeve through the counterbore, an insertion rod is in threaded connection with the interior of the outer sleeve, a conical surface concave shoulder is arranged at the bottom end of the insertion rod, grooves are formed in the side walls of the periphery of the anchoring head, the grooves are communicated with the counterbore, claw bodies are hinged into the grooves, and the tail ends of the claw bodies are attached to the conical surface concave shoulder. According to the anchor rod device for building municipal administration, the inserting rod is lifted upwards by screwing the inserting rod, at the moment, the conical surface concave shoulder at the bottom end of the inserting rod moves upwards, the claw can be driven to expand outwards from the periphery of the anchoring head, and therefore the friction force between the anchor rod piece and a soil body or rock is enhanced, and the anti-drawing capacity of the anchor rod piece is effectively improved; the arranged guide rods, backing rings and buffer springs have certain buffering performance, deformation and displacement of the structure can be reduced, overall connection of the structure is enhanced, and the anti-seismic performance and stability of the structure are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to building municipal engineering technical field, concretely is a kind of anchor rod device for building municipal engineering. BACKGROUND

[0002] In the process of building municipal engineering construction, anchor rod is essential as common tool, anchor rod is a deep into stratum tensile member, it is connected with engineering structure at one end, the other end is deep into stratum, whole anchor rod is divided into free section and anchoring section, free section refers to the tensile force at anchor rod head place is transmitted to the region of anchoring body, its function is to pre-stress to anchor rod, anchoring section refers to the region that cement paste body is bonded with pre-stressed tendon and soil, its function is to increase the bonding friction effect of anchoring body and soil, increase the pressure bearing effect of anchoring body, transmit the tensile force of free section to deep soil.

[0003] However, the existing anchor rod for building municipal engineering still has some defects in the process of use: for example, the existing anchor rod for building municipal engineering is simple in structure, only simply inserts anchor rod into soil layer, is prone to loosen after long-term use, and has poor pull-out resistance, and is not practical. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of anchor rod device for building municipal engineering to solve the problem in background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of anchor rod device for building municipal engineering, including anchoring head, the anchoring head is equipped with countersunk hole, and outer sleeve pipe is connected by thread in countersunk hole, the outer sleeve pipe is connected by thread with plug rod in, and the bottom end of plug rod is equipped with conical surface recess shoulder, the periphery sidewall of anchoring head is equipped with recess, and recess is communicated with countersunk hole, the recess is hinged with petal claw, and the tail end of petal claw is close to conical surface recess shoulder, the top of outer sleeve pipe is equipped with support, and support is fixedly connected with guide rod, the guide rod is successively equipped with spacer ring and buffer spring from bottom to top.

[0006] Further, the side wall adjacent to recess and countersunk hole is equipped with through hole, the tail end of petal claw is inserted into countersunk hole from through hole.

[0007] Further, the top of outer sleeve pipe is equipped with internal thread, the top of plug rod is equipped with external thread, and is connected by thread with outer sleeve pipe by external thread and internal thread.

[0008] Further, the top of plug rod is flush with the top of outer sleeve pipe, and plug rod is equipped with operating ear hole.

[0009] Further, the top of support is equipped with fixed hole, and the bottom end of guide rod is inserted into fixed hole.

[0010] Further, the bottom end of the guide rod is threadedly connected with a nut, and is locked and connected with the support through the nut, and the top end of the guide rod is provided with a connecting ear hole.

[0011] Compared with the prior art, the utility model provides a building municipal anchor rod device, has the following beneficial effects:

[0012] The anchor rod device for building and municipal engineering is provided with the conical surface concave shoulder on the bottom end of the plug rod, and the petal claw can be driven to unfold outward from the periphery of the anchoring head, so that the friction between the anchor rod and the soil or rock is enhanced, the pulling resistance of the anchor rod is effectively improved, the guide rod, the spacer ring and the buffer spring have certain buffering property, the deformation and displacement of the structure are reduced, the overall connection of the structure is strengthened, and the anti-seismic performance and stability of the structure are improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a structural schematic view of the utility model;

[0014] Fig. 2 It is a sectional view of the utility model;

[0015] Fig. 3 It is a petal claw unfolding schematic view of the utility model.

[0016] In the drawing: 1, anchoring head; 2, counterbore; 3, outer sleeve; 4, plug rod; 5, conical surface concave shoulder; 6, groove; 7, petal claw; 8, support; 9, guide rod; 10, spacer ring; 11, buffer spring; 12, through hole; 13, internal thread; 14, external thread; 15, operating ear hole; 16, fixed hole; 17, nut; 18, connecting ear hole. DETAILED DESCRIPTION

[0017] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0018] Please refer to Figs. 1-3The utility model discloses a kind of anchoring devices for building municipal, including anchor head 1, the anchor head 1 is equipped with countersunk hole 2, and outer sleeve pipe 3 is threadedly connected by countersunk hole 2, the outer sleeve pipe 3 is threadedly connected with inserting rod 4 in it, and the bottom end of inserting rod 4 is equipped with conical surface concave shoulder 5, recess 6 is equipped on the peripheral side wall of anchor head 1, and recess 6 is communicated with countersunk hole 2, petal claw 7 is hinged in recess 6, and the tail end of petal claw 7 is close to conical surface concave shoulder 5, the top of outer sleeve pipe 3 is equipped with support 8, and support 8 is tightly connected with guide rod 9, guide rod 9 is successively sleeved with washer 10 and buffer spring 11 from bottom to top, by screwing inserting rod 4, it is raised upwards, when this, conical surface concave shoulder 5 on the bottom end of inserting rod 4 moves up, can drive petal claw 7 from the peripheral of anchor head 1 to unfold outward, to enhance the friction of anchoring piece and soil or rock, effectively improve the pullout resistance of anchoring piece, guide rod 9, washer 10 and buffer spring 11 set have certain buffer property, can reduce the deformation and displacement of structure, strengthen the overall connection of structure, improve the anti-seismic performance and stability of structure.

[0019] Specifically, the side wall adjacent to the countersunk hole 2 of the recess 6 is provided with a through opening 12, and the tail end of the petal claw 7 extends into the countersunk hole 2 from the through opening 12.

[0020] In the embodiment, the through opening 12 refers to a hole that penetrates the recess 6 and the countersunk hole 2, so as to facilitate the movement of the petal claw 7.

[0021] Specifically, the top end of the outer sleeve pipe 3 is provided with an internal thread 13, the top end of the inserting rod 4 is provided with an external thread 14, and the external thread 14 and the internal thread 13 are threadedly connected with the outer sleeve pipe 3.

[0022] In the embodiment, the inserting rod 4 is threadedly connected with the outer sleeve pipe 3 through the cooperation between the external thread 14 and the internal thread 13.

[0023] Specifically, the top of the inserting rod 4 is flush with the top of the outer sleeve pipe 3, and the inserting rod 4 is provided with an operating ear hole 15.

[0024] In the embodiment, the operating ear hole 15 is used for inserting a tool such as a wrench, so as to manually screw the inserting rod 4.

[0025] Specifically, the top of the support 8 is provided with a fixing hole 16, and the bottom end of the guide rod 9 is inserted into the fixing hole 16.

[0026] In the embodiment, the fixing hole 16 is a connecting structure for connecting the guide rod 9 and the support 8.

[0027] Specifically, the bottom end of the guide rod 9 is threadedly connected with a nut 17, and the nut 17 is lockingly connected with the support 8, and the top end of the guide rod 9 is provided with a connecting ear hole 18.

[0028] In the embodiment, the nut 17 is a fastener for locking between the guide rod 9 and the support 8, and the connecting ear hole 18 is a connecting structure which can be connected with other structural members as required.

[0029] In use, the plug rod 4 is screwed to rise upward, at this time, the conical surface concave shoulder 5 at the bottom end of the plug rod 4 moves upward, which can drive the petal claw 7 to unfold outward from the periphery of the anchoring head 1, thereby enhancing the friction between the anchoring rod and the soil or rock, effectively improving the pull-out resistance of the anchoring rod, the guide rod 9, the spacer ring 10 and the buffer spring 11 have certain buffering property, which can reduce the deformation and displacement of the structure, strengthen the overall connection of the structure, and improve the anti-seismic performance and stability of the structure.

[0030] In summary, the building municipal anchoring rod device, through screwing the plug rod 4 to rise upward, at this time, the conical surface concave shoulder 5 at the bottom end of the plug rod 4 moves upward, which can drive the petal claw 7 to unfold outward from the periphery of the anchoring head 1, thereby enhancing the friction between the anchoring rod and the soil or rock, effectively improving the pull-out resistance of the anchoring rod, the guide rod 9, the spacer ring 10 and the buffer spring 11 have certain buffering property, which can reduce the deformation and displacement of the structure, strengthen the overall connection of the structure, and improve the anti-seismic performance and stability of the structure.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A building and municipal anchor bolt device, comprising an anchor head (1), characterized in that: The anchor head (1) is provided with a countersunk hole (2), and an outer sleeve (3) is threaded through the countersunk hole (2). An insert rod (4) is threaded in the outer sleeve (3), and the bottom end of the insert rod (4) is provided with a conical concave shoulder (5). The anchor head (1) is provided with a groove (6) on its four sides, and the groove (6) is connected to the countersunk hole (2). A flap (7) is hinged in the groove (6), and the tail end of the flap (7) is close to the conical concave shoulder (5). The top of the outer sleeve (3) is provided with a support (8), and a guide rod (9) is fastened to the support (8). A washer ring (10) and a buffer spring (11) are sequentially fitted on the guide rod (9) from bottom to top.

2. The anchor bolt device for building and municipal engineering according to claim 1, characterized in that: The groove (6) is provided with a through opening (12) on the side wall adjacent to the countersunk hole (2), and the tail end of the claw (7) extends into the countersunk hole (2) from the through opening (12).

3. The anchor bolt device for building and municipal engineering according to claim 1, characterized in that: The top end of the outer tube (3) is provided with an internal thread (13), and the top end of the insertion rod (4) is provided with an external thread (14), and is threadedly connected to the outer tube (3) through the external thread (14) and the internal thread (13).

4. The anchor bolt device for building and municipal engineering according to claim 1, characterized in that: The top of the insert (4) is flush with the top of the outer sleeve (3), and the insert (4) is provided with an operating ear hole (15).

5. The anchor bolt device for building and municipal engineering according to claim 1, characterized in that: The top of the support (8) is provided with a fixing hole (16), and the bottom end of the guide rod (9) is inserted into the fixing hole (16).

6. The anchor bolt device for building and municipal engineering according to claim 1, characterized in that: The bottom end of the guide rod (9) is threaded with a nut (17) and is locked to the support (8) by the nut (17). The top end of the guide rod (9) is provided with a connecting lug (18).

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