CN211776001U

CN211776001U - Reinforced (rfd) special muscle device that adds of stone cave temple body crown

Info

Publication number: CN211776001U
Application number: CN201921238638.3U
Authority: CN
Inventors: 王彦武; 王旭东; 郭青林; 裴强强; 杨善龙
Original assignee: DUNHUANG ACADEMY
Current assignee: DUNHUANG ACADEMY
Priority date: 2019-08-02
Filing date: 2019-08-02
Publication date: 2020-10-27
Anticipated expiration: 2029-08-02

Abstract

The utility model relates to a special reinforcement device for supporting and reinforcing stone cave temple body, which is structurally characterized in that a steel wire rope is arranged in an expansion sleeve, the upper end of the steel wire rope passes through a fixed backing plate and enters a steel wire rope buckle, and a backing plate end buckle bolt fastens the steel wire rope; the lower end of the steel wire rope enters the expansion bolt, and the expansion end is fastened with the bolt. The utility model discloses it is small to cave temple body damage, simple structure, be applicable to the cliff body root suspended space area of different grade type, it is convenient that the installation is implemented, and has stronger reversibility, plays positive effect in the practice of the cave temple body protection reinforcement engineering.

Description

Reinforced (rfd) special muscle device that adds of stone cave temple body crown

Technical Field

The utility model relates to a cave temple body protection reinforcing field is the special reinforcement device that improves connectivity between the cave temple body root suspended area masonry crown body and the former cliff body, also can improve and consolidate the system wholeness, has easy operation, characteristics that reversibility is strong, also can be applied to ground slope and consolidates the field.

Background

China has a large number of stone cave temples, which comprise wall paintings and statues with extremely high historical, artistic, scientific, social and cultural values. The cliff body is used as a carrier of a cave temple and is eroded by rain, wind, gravity, salt damage and thawing circulation for a long time, so that a suspension area is formed at the root of the cliff body, the stability of the cliff body is locally reduced, even potential safety hazards exist locally, and the long-term storage of cultural relics in the cave is threatened.

In recent years, cultural heritage protection is more and more emphasized by the nation. According to a large number of grotto temple body root roof support reinforcement engineering practices, for grotto temple body root roof reinforcement, mainly used technical means include retaining wall roof reinforcement, concrete gravity pile column roof reinforcement, block stone masonry roof reinforcement, steel structure support and other temporary measures, and in these reinforcement measures, there are usually no reinforced system connection between reinforcement body and original cliff body, there are the risks of untight mutual connection and unstable support, and the integrality of roof reinforcement body and cliff body and the effectiveness of reinforcement measures are reduced. Meanwhile, although the gravity retaining wall and the pile have stronger self integrity, the gravity retaining wall has larger intervention on the cliff body, is difficult to remove and has weak reversibility, and the masonry support has small intervention, is easy to remove and has strong reversibility but has poor self integrity.

Therefore, a special reinforcement system with strong reversibility, smaller intervention degree, support strength and tight connection for supporting and reinforcing the cave temple body is developed, the integrity among the reinforcement body, the reinforcement body and the cliff body can be improved, the reinforcement system is easy to disassemble, the disassembly process is vibration-free, and the reinforcement system has extremely important practical value for the engineering practice of protecting and reinforcing the cave temple body.

Disclosure of Invention

In order to improve the reliable connection between the stone cave temple body and the root roof reinforcement body, increase the wholeness of reinforcing system, the extension is consolidated measure and is served the labour prescription, ensures the reversibility of reinforcing system, the utility model provides a special muscle device that adds that is used for stone cave temple body roof to consolidate.

The utility model discloses a following technical scheme realizes:

a special reinforcement device for strengthening the supporting top of a stone cave temple body mainly comprises an expansion sleeve, expansion bolts, a steel wire rope buckle, a backing plate end buckle bolt, a fixed backing plate and an expansion end buckle bolt, wherein the steel wire rope is arranged in the expansion sleeve, the upper end of the steel wire rope penetrates through the fixed backing plate to enter the steel wire rope buckle, and the backing plate end buckle bolt fastens the steel wire rope; the lower end of the steel wire rope enters the expansion bolt, and the expansion end is fastened with the bolt.

The utility model discloses an advantage is with the beneficial effect who produces:

(1) the cliff body is slightly damaged. The reinforcement system is arranged at the expansion end in the cliff body, the expansion sleeve is directly arranged in the drill hole, the drill hole is generally not larger than 2cm, the friction of the extension meter and the expansion head are mainly used for providing enough tension, and the reinforcement system belongs to the micro-damage category for the cliff body. The top supporting reinforcing body is reliably connected with the stone cave temple body, and the top supporting force application degree of the reinforcing body to the cliff body is improved.

(2) The structure is simple. The reinforcement system only comprises an expansion end, a fixed gasket, a traction steel wire rope and a steel wire rope buckle, and has fewer parts and simple structure.

(3) The applicability is strong. The reinforcement system has the characteristic of simple structure, and the size of the reinforcement system can be properly adjusted according to the size of the suspended area at the root of a site and the size of the stone used for building the supporting top, so that the supporting top reinforcement can be implemented.

(4) The implementation is convenient. The reinforcement system only needs to form a hole at a predicted position on the cliff body before installation, the steel wire rope is locked by the steel wire rope buckle in the installation process, and the steel wire rope is tensioned in the force application process so that the expansion end is expanded and fixed. Therefore, the operation can be completed by only a simple auxiliary tool, and the operation is convenient and fast.

(5) Has reversibility. The tightening system is simple in structure and convenient to construct, the unloading can be completed only by loosening the whole tightening system of the fixed gasket, the dismantling process is convenient, vibration cannot be generated, and the tightening system has stronger reversibility and can be used for root propping reinforcement of different types.

Drawings

Figure 1 is a schematic diagram of a special reinforcement system for supporting and reinforcing a stone cave temple body.

Fig. 2 is an isometric view of fig. 1.

In the figure, 1-expansion sleeve, 2-expansion bolt, 3-steel wire rope, 4-steel wire rope buckle, 5-backing plate end buckle bolt, 6-fixed backing plate and 7-expansion end buckle bolt.

Figure 3 is a schematic view of a top reinforced cave temple body built using a special tightening system.

In the figure, 8-cave temple body, 9-masonry supporting and reinforcing body and 10-special reinforcing device.

Detailed Description

The invention will be described in further detail with reference to the accompanying drawings and technical embodiments:

as shown in fig. 1-3, a special reinforcement device for strengthening the supporting top of a stone cave temple body mainly comprises an expansion sleeve 1, an expansion bolt 2, a steel wire rope 3, a steel wire rope buckle 4, a backing plate end buckle bolt 5, a fixed backing plate 6 and an expansion end buckle bolt 7. The steel wire rope 3 is placed into the expansion sleeve 1, the upper end of the steel wire rope 3 penetrates through the fixed base plate 6 to enter the steel wire rope buckle 4, and the steel wire rope 3 is fastened by the base plate end buckle bolt 5; the lower end of the steel wire rope 3 enters the expansion bolt 2, and the expansion end is fastened with the steel wire rope 3 through the fastening bolt 7.

The implementation process is as follows: firstly, a steel wire rope 3 penetrates through an expansion sleeve 1 and an expansion bolt 2, a certain length is reserved, and the steel wire rope 3 is locked by an expansion end buckle bolt 7; after a cave temple body 8 is built to a proper height, an expansion end consisting of an expansion sleeve 1 and an expansion bolt 2 is placed in a pre-opened drill hole of a building supporting reinforcement body 9, prestress is manually applied to fix the expansion end, the trend of a steel wire rope is reasonably arranged, a special reinforcement device 10 is enabled to be at a certain height according to the prediction requirement, and the steel wire rope 3 penetrates through a fixed base plate 6 to be drawn and enters a steel wire rope buckle 4; the fixed backing plate 6 is adjusted to form a masonry supporting and reinforcing body 9 with the root of the stone cave temple body 8 to be tightly attached to the stones on the periphery of the suspension area, the steel wire rope 3 is tensioned by applying external force, and the steel wire rope buckle 4 is locked on the steel wire rope 3 by the backing plate end buckle bolt 5. And the sleeve at the expansion end expands due to the expansion of the expansion bolt, so that the expansion end is firmly fixed in the cliff body, and finally, the steel wire rope 3 is locked by using the steel wire rope buckle 4, and the exposed length of the steel wire rope is trimmed. At the moment, the expansion sleeve 1 in the drilled hole expands due to the entering of the expansion bolt 2 until the displacement is small, and finally the expansion sleeve is firmly locked, the masonry body and the cliff body are tensioned and fixed, the fixed base plate 6 has strong restraint on the peripheral masonry block stones, and the device is used as a reinforcement of the masonry body and the original cliff body, so that the integrity of the masonry body and the peripheral block stones is improved. The device and the masonry body and the original cliff body are reinforced, and the supporting and connecting effect is played in the protection and reinforcement practice of the cave temple body.

The device pulls the expansion end fixed in the cliff body and the sleeved backing plate fixed on the outer surface of the supporting and reinforcing body together through the steel wire rope, the sleeve at the expansion end expands due to the expansion of the expansion bolt, so that the expansion end is firmly fixed in the cliff body, and finally the steel wire rope is locked by using the steel wire rope buckle, so that the supporting and reinforcing body and the cliff body are reliably connected by the system, the force application degree of the supporting and reinforcing body on the cliff body is improved, the long-term service performance of the reinforcing body is prevented from being reduced due to the gap between the supporting and reinforcing body, and the integrity of the reinforcing body is also improved due to the action of the sleeved backing plate.

Claims

1. A special reinforcement device for supporting and reinforcing a stone cave temple body mainly comprises an expansion sleeve (1), expansion bolts (2), steel wire ropes (3), steel wire rope buckles (4), backing plate end buckle bolts (5), fixed backing plates (6) and expansion end buckle bolts (7), and is characterized in that the steel wire ropes (3) are placed in the expansion sleeve (1), the upper ends of the steel wire ropes penetrate through the fixed backing plates (6) and enter the steel wire rope buckles (4), and the backing plate end buckle bolts (5) fasten the steel wire ropes (3); the lower end of the steel wire rope (3) enters the expansion bolt (2), and the expansion end is buckled with the bolt (7) to fasten the steel wire rope (3).