CN211778401U - Anti-seismic support is with integrative structure of back reaming end crab-bolt and screw rod - Google Patents

Abstract

The utility model discloses an antidetonation support is with back expand end crab-bolt and integrative structure of screw rod, including back expand end crab-bolt, the inside stock that is equipped with of back expand end crab-bolt, the stock overcoat is equipped with the sleeve, and the stock is located the outer end of back expand end crab-bolt and is equipped with the extension screw rod integrative with the stock. The utility model discloses an useful part lies in that back expand end crab-bolt and extension screw rod structure as an organic whole can make things convenient for conduction stress, can not take place the abnormal sound when practical application, compares the nut and connects, and the reliability is higher, and the wholeness is good to retrench extension nut, bullet pad nut isotructure, reduced back expand end crab-bolt and the connection cost who adds the extension screw rod.

Description

Anti-seismic support is with integrative structure of back reaming end crab-bolt and screw rod

Technical Field

The utility model belongs to the technical field of the antidetonation support, specifically a structure that expand end crab-bolt and screw rod are integrative after antidetonation support is used.

Background

In view of the great destructiveness of earthquakes, the earthquake-proof performance is an important construction index which must be considered before building construction, and by arranging the earthquake-proof facilities, when an earthquake occurs, earthquake damage can be relieved, and secondary disasters can be reduced or prevented as much as possible, so that casualties and property loss are reduced. The building is usually provided with water supply, drainage, fire protection, heating, ventilation, air conditioning, gas, electric power, heating power, communication and other electromechanical engineering facilities, all of which are provided with pipelines, and the laying of the pipelines in the building is an important factor influencing the anti-seismic performance of the building, so that the arrangement of the anti-seismic support outside the pipelines is also an important consideration for building construction. For example, patent No. CN 207947578U in chinese patent document discloses "an anti-seismic support and hanger for cable bridge rack" in 2018, 10/9, which includes a concrete structure layer and a support channel steel, the support channel steel is fixed on the lower side of the concrete structure layer through a long screw, the long screw and the support channel steel are screwed and fixed along a nut by using a wing, a backing ring is sleeved on the long screw above the support channel steel, the long screw and the concrete structure layer are connected and fixed after being installed in a concrete layer through a screw anchor bolt, the long screw and the screw anchor bolt are connected through a threaded sleeve, and a reinforcement for improving the transverse stress borne by the long screw is installed on the outer side of the middle part of the long screw. It has the following disadvantages: the long screw rod and the screw rod type anchor bolt are connected through the threaded sleeve, the integrity of the device is poor, the vibration of the anti-vibration support needs to be transmitted through the screw rod when the anti-vibration support is used, abnormal sound easily occurs in the actual anti-vibration application of the long screw rod and the threaded sleeve, and even the hidden danger that the threads fall off exists.

Disclosure of Invention

Based on the problem, the utility model provides an shake support with back reaming end crab-bolt and integrative structure of screw rod, screw rod and back reaming end crab-bolt structure as an organic whole, the wholeness is good, produces the condition of abnormal sound when can not appear shaking, can improve the connection reliability of antidetonation support through the reliability that improves between screw rod and the back reaming end crab-bolt.

In order to realize the purpose of the invention, the utility model adopts the following technical scheme: the utility model provides an antidetonation support is with back expand end crab-bolt and integrative structure of screw rod, includes back expand end crab-bolt, the inside stock that is equipped with of back expand end crab-bolt, the stock overcoat is equipped with the sleeve, the stock is located the outer end of back expand end crab-bolt and is equipped with the extension screw rod integrative with the stock.

Back expand end crab-bolt and extension screw rod structure as an organic whole in this application can make things convenient for the conduction stress, can not take place the abnormal sound when practical application, compares the nut and connects, and the reliability is higher, and the wholeness is good to retrench structure such as extension nut, bullet pad nut, reduced back expand end crab-bolt and the connection cost who adds the extension screw rod.

Preferably, the lengthened screw rod and the anchor rod are an integral full-threaded rod, and an internal thread matched with the anchor rod is arranged inside the sleeve. The connection between the lengthened screw rod and the pipeline limiting piece on the anti-seismic support is completed through threads; the screw rod for the anti-seismic support is generally a full-tooth screw rod, and is used for connecting a concrete floor slab and a support of a connecting pipeline as a direct stress piece; in addition, the lengthened screw rod can be integrally formed by adopting a forging mode with the anchor rod and then cut, so that the structural integrity is better, and the stress conduction is smooth.

Preferably, the surfaces of the anchor rod and the lengthened screw rod are provided with anti-rust layers. Through soaking integrative stock and extension screw rod in the rust inhibitor for a period of time and realizing the antirust coat setting on stock and extension screw rod surface to prevent stock and extension screw rod screw thread department corrosion, improve the life of stock and extension screw rod.

Preferably, the outer end of the extension screw is provided with a chamfer. The arrangement of the chamfer angle facilitates the installation and the matching of the lengthened screw rod and other related structures such as a nut, a threaded sleeve and the like.

Preferably, the anchor rod is provided with an expansion cone, one end of the sleeve, facing the expansion cone, is provided with an expanded bottom, the expanded bottom is provided with a plurality of elongated slots arranged in a circular ring array, and one end of the sleeve, far away from the expansion cone, is provided with a hexagonal locking nut integrated with the sleeve. The spanner is convenient to operate to rotate the sleeve, expansion of the sleeve and the anchor rod after matching is realized, and bottom expanding locking of the rear bottom expanding anchor bolt is realized; the hexagonal locking nut also has the positioning effect, the end face of the hexagonal locking nut is attached to a floor slab, the sleeve can be ensured to be operated in place, and the problem of failure in place or over-position cannot occur.

Preferably, the end face of the expanded bottom of the sleeve is provided with a reinforcing convex ring, and the position of the sleeve corresponding to the end part of the long groove is provided with an inwards concave auxiliary deformation ring. The end face strength of the sleeve, particularly the bottom expanding portion, is enhanced, and expansion and deformation of the bottom expanding portion are facilitated.

Preferably, two auxiliary reinforcing rings are arranged on the side surface of the expanded bottom of the sleeve at intervals, and a reinforcing conical surface with the diameter gradually increasing from the reinforcing convex ring to the auxiliary annular ring is arranged between the two auxiliary reinforcing rings. The strength of the side face of the bottom expanding part is improved through the auxiliary reinforcing ring and the reinforcing conical surface, and the overall reliability of the rear bottom expanding anchor bolt is improved.

To sum up, the beneficial effects of the utility model are that: the connecting cost of the lengthened screw rod and the rear expanded bottom anchor bolt is reduced, the screw rod and the rear expanded bottom anchor bolt are of an integral structure, the integrity is good, abnormal sound is not generated during vibration, and the connecting reliability of the anti-seismic support is improved; the processing and production are convenient, and the processing cost is low.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of another embodiment of the present invention.

Fig. 3 is the utility model discloses be applied to the structural schematic diagram on the antidetonation support.

Fig. 4 is the utility model discloses be applied to single tube side direction antidetonation support's structural schematic.

Fig. 5 is the utility model discloses be applied to the structure sketch map of rectangle tuber pipe side direction antidetonation support.

Fig. 6 is a schematic structural view of the present invention applied to the side direction of a cable bridge.

Fig. 7 is a schematic structural view of the utility model discloses be applied to cable testing bridge vertical and side direction antidetonation support.

Fig. 8 is a schematic structural view of the utility model applied to a single-tube longitudinal and lateral anti-seismic support.

Fig. 9 is a schematic structural view of the anti-seismic support applied to the rectangular air duct in the longitudinal and lateral directions.

Wherein: the screw anchor bolt 1 is lengthened, the screw bolt 11 is chamfered, 12 the concrete floor 2 is chamfered, the bottom expanding anchor bolt 21 is expanded, the bottom expanding anchor bolt 22 is expanded, the bottom expanding reinforcing convex ring 23 is expanded, the reinforcing convex ring 231 is expanded, the reinforcing convex ring 232 is assisted, the reinforcing conical surface 235 is expanded, the groove 234 is reinforced, the hexagonal locking nut 24 is sleeved, 25 the pipe limiting part 3 is formed, the U-shaped pipe bundle 31 is formed, the rectangular air pipe 32 is screwed with the nut 4, and.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description.

As shown in fig. 1 and fig. 2, embodiment 1 is an integral structure of a back-expanded-base anchor bolt and a screw rod for an anti-seismic support, and includes a back-expanded-base anchor bolt 21, an anchor bolt 22 is disposed inside the back-expanded-base anchor bolt 21, a sleeve 25 is sleeved outside the anchor bolt 22, an expansion cone 221 is disposed on the anchor bolt 22, an expanded base is disposed at one end of the sleeve 25 facing the expansion cone 221, a plurality of long grooves 234 arranged in a circular array are disposed on the expanded base 23, and a hexagonal locking nut 24 integrated with the sleeve 25 is disposed at one end of the sleeve 25 far from the expansion cone 221. The end surface of the expanded bottom 23 of the sleeve 25 is provided with a reinforcing convex ring 231, and the position of the sleeve 25 corresponding to the end of the long groove 234 is provided with an inward concave auxiliary deformation ring 232. The side of the enlarged bottom 23 of the sleeve 25 is provided with two spaced auxiliary reinforcement rings 233, and the outer end of the anchor rod 22 outside the rear enlarged bottom anchor bolt 21 is provided with an extension screw 11 integrated with the anchor rod 22. The lengthened screw rod 11 and the anchor rod 22 are an integral full-threaded rod, and an internal thread matched with the anchor rod 22 is arranged inside the sleeve 25. The surfaces of the anchor rods 22 and the lengthened screw rods 11 are provided with anti-rust layers. The outer end of the lengthened screw rod 11 is provided with a chamfer 12. The chamfer 12 is arranged to facilitate the installation and matching of the lengthened screw rod 11 and other related structures such as a nut, a threaded sleeve and the like. A reinforcing tapered surface 235 having a diameter gradually increasing from the reinforcing convex ring 231 toward the auxiliary annular ring 233 is provided between the two auxiliary reinforcing rings 233.

In fig. 3, an anti-seismic support is characterized by comprising a structure that a rear-enlarged-base anchor bolt and a screw rod are integrated into a whole for the anti-seismic support, and the rear-enlarged-base anchor bolt 21 and an elongated screw rod 11 are respectively provided with a concrete floor 2 and a pipeline limiting part 3. The lower end surface of the concrete floor 2 is drilled and then screwed into a rear expanded-bottom anchor bolt 21, and the lengthened screw rod and the rear expanded-bottom anchor bolt are of an integral structure; also be equipped with a twist nut 4 on the pipeline locating part 3, accomplish the screw thread twist of screw rod structure lower extreme screw thread section 12 through twist nut 4 and close fixedly to accomplish concrete and pipeline locating part 3's longitudinal fixation.

For the sake of reducing space, the structure of the anti-seismic support with the rear-enlarged-base anchor bolt integrated with the screw is hereinafter abbreviated as a screw anchor bolt 1.

In fig. 4, the screw anchor bolt is applied to a single-pipe lateral anti-seismic support, the lower end of the screw anchor bolt 1 is connected to the central position of the upper end of the U-shaped pipe bundle 31 through a screwing nut 4, a rear bottom-expanding anchor bolt 21 at the upper end of the screw anchor bolt is embedded into a concrete floor and fixed, and the lateral support 5 is matched to realize anti-seismic support of a single pipeline.

In fig. 5, the screw anchor bolts 1 are applied to the lateral anti-seismic support of the rectangular air pipe 32, the rectangular air pipe 32 is limited on the rectangular frame, the screw anchor bolts 1 are symmetrically arranged on two sides of the upper end of the rectangular air pipe 32, the upper ends of the two screw anchor bolts 1 are fixed with the concrete floor 2 through the rear bottom expanding anchor bolts 21, and the lateral support 5 is matched to realize the anti-seismic support of the rectangular air pipe 32.

In fig. 6, the screw bolts 1 are applied to the lateral anti-seismic support of the cable bridge 6, the cable bridge 6 is arranged on a connecting support, two symmetrical screw bolts 1 are arranged at two ends of the upper side of the connecting support, the upper ends of the two screw bolts are fixed with the concrete floor 2 through the rear bottom expanding bolts 21, and the lateral support 5 is matched to realize the anti-seismic support of the rectangular air pipe 32.

In fig. 7, the screw bolt anchor bolt 1 is applied to longitudinal and lateral anti-seismic supports of the cable tray 6, and the difference between the anti-seismic support shown in fig. 7 and the anti-seismic support shown in fig. 6 is that longitudinal supports are obliquely arranged on the side surfaces of the connecting support of the cable tray 6 corresponding to the positions of the two lengthened screws 11.

In fig. 8, the screw structure is applied to a single-pipe lateral and longitudinal anti-seismic support, and the difference between the anti-seismic support shown in fig. 8 and fig. 4 is that the side surface of the screw anchor bolt 1 is provided with a longitudinal support for connecting the lengthened screw 11 with the concrete floor.

In fig. 9, the screw structure is applied to lateral and longitudinal anti-seismic supports of the rectangular air pipe, and the difference between fig. 9 and the anti-seismic support shown in fig. 5 is that the lateral side of the screw structure is provided with a longitudinal support for connecting the lengthened screw 11 with the concrete floor.

It will be appreciated by those of ordinary skill in the art that the examples described herein are intended to assist the reader in understanding the manner of practicing the invention, and it is to be understood that the scope of the invention is not limited to such specific statements and examples. Those skilled in the art can make various other specific modifications and combinations based on the teachings of the present invention without departing from the spirit of the invention, and such modifications and combinations are still within the scope of the invention.

Claims (7)

1. The utility model provides an antidetonation support is with back reaming end crab-bolt and integrative structure of screw rod, characterized by, including back reaming end crab-bolt, the inside stock that is equipped with of back reaming end crab-bolt, the stock overcoat is equipped with the sleeve, the stock is located the outer end of back reaming end crab-bolt and is equipped with the extension screw rod integrative with the stock.

2. The structure of the back-reaming anchor bolt and the screw rod integrated for the anti-seismic bracket as claimed in claim 1, wherein the extension screw rod and the anchor rod are an integrated full-threaded rod, and an internal thread matched with the anchor rod is arranged inside the sleeve.

3. The structure of the back-reaming anchor bolt and the screw rod integrated for the anti-seismic bracket as set forth in claim 1 or 2, wherein the anchor bolt and the elongated screw rod are provided with an anti-rust layer on the surfaces thereof.

4. The structure of the back-reaming anchor bolt and the screw rod integrated for the anti-seismic bracket as claimed in claim 1 or 2, wherein the outer end of the lengthened screw rod is provided with a chamfer.

5. A structure of an anti-seismic support with a rear-expanding anchor bolt integrated with a screw rod as claimed in claim 1 or 2, wherein the anchor bolt is provided with an expansion cone, one end of the sleeve facing the expansion cone is provided with an expanding bottom, the expanding bottom is provided with a plurality of elongated slots arranged in a circular array, and one end of the sleeve far away from the expansion cone is provided with a hexagonal locking nut integrated with the sleeve.

6. The structure of the screw rod integrated with the back-reaming anchor bolt for the anti-seismic bracket as set forth in claim 5, wherein the end surface of the enlarged bottom of the sleeve is provided with a reinforcing convex ring, and the sleeve is provided with an inward-concave auxiliary deformation ring at a position corresponding to the end of the elongated slot.

7. The structure of claim 6, wherein the sleeve has two spaced auxiliary reinforcing rings on its bottom-enlarged side, and a reinforcing cone having a diameter gradually increasing from the reinforcing protrusion to the auxiliary ring is disposed between the two auxiliary reinforcing rings.

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