JPH07233624A - Adhesive fixed-quantity injector for outer wall drop preventive work - Google Patents

Abstract

PURPOSE:To improve the efficiency of the injecting work while measuring the injection quantity via digital display by utilizing the high-pressure air for an adhesive injection pump, and automatically injecting a fixed quantity of an adhesive via only the action of a push button. CONSTITUTION:An adhesive 2 sealed in an injection tube 1 is injected into a wall from a nozzle 9 by a piston 8 pushed out by the high-pressure air 7 guided into a cylinder 6 from the thrust side 5 by a selector valve 4 pressed in from a high-pressure pipe 3. The high-pressure air 7 switched by the selector valve 4 is guided from the intake side 10 to push back the piston 8 to the original position. The adhesive 15 in a tank 12 is automatically fed into the injection tube 1 by the internal pressure of the exhaust gas pressure 14 discharged from an exhaust pipe 13 connecting the exhaust side hole 11 of the cylinder 6 and an adhesive storage tank 12. A fixed quantity of the adhesive 2 is invariably injected for each action of a push button 16 by the operation of the piston 8, and the number of injections and the injection quantity are displayed on a digital device 17 by the operation of the piston 8.

Description

[Detailed Description of the Invention] In November 1989, in Kitakyushu City, tiles were peeled off from the top floor of the 10-story housing complex of the Housing and Urban Development Corporation, and three similar passers-by have been injured. A series of accidents occurred, and recently there have been cases of injuries to several people such as students and children even in elementary and junior high school buildings. For these cases,
It has been investigated and investigated as an important issue nationwide, and at present, it is said that the mortar and tiles on the outer wall surface are floating and cracks are the cause of the accident. As a preventive measure against these accidents, we are urgently carrying out a comprehensive inspection of the outer walls of high-rise buildings and repair work such as injecting adhesive into the gaps in the tiles and cracks that may cause accidents. However, if the degree of this adhesive injection is too strong, the gap between the tile and the finishing mortar may be overfilled, causing a phenomenon of peeling, and insufficient filling is not allowed for the purpose of repair work. Therefore, the current construction situation is to inject while suppressing the surface of the construction target,
We work carefully while carefully checking the degree of adhesive at the time of injection. The adhesive injector of the present invention can be installed while grasping the degree of injection reasonably and speedily. Fig. 1 shows the repair work of the outer wall using the injector of the present invention. 2 is a schematic view of a pistol-type adhesive injector mechanism according to an example of the present invention, in which the adhesive (2) enclosed in the injection cylinder (1) is press-fitted from the high-pressure pipe (3) and the switching valve ( Injected into the wall from a nozzle (9) by a piston (8) which is extruded by high pressure air (7) which is guided into the cylinder (6) from the extrusion side (5) in 4). Subsequently, the high pressure air (7) switched by the switching valve (4) is guided from the suction side (10) and pushes the piston (8) back to the old position. Next, the adhesive in the tank (12) is adjusted by the internal pressure of the exhaust gas pressure (14) discharged from the exhaust pipe (13) connecting the exhaust side hole (11) of the cylinder (6) and the adhesive storage tank (12). (15) is automatically fed into the injection cylinder (1). Since the piston (8) can always inject a fixed amount of the adhesive (2) each time the push button (16) is operated, the degree of penetration of the adhesive can be easily grasped. Further, the number of injections and the injection amount can be posted on the digital device (17) by the operation of the piston (8), so that the injection can be performed rationally. In the first place, the fall accident of the outer wall and the repair work problem for this accident preventive measure are very recent events that happened like blue sky, and there is little record of repair work, so a proper work form has not been established. Therefore, there are few people who have acquired the repair technique, and there is no rational and efficient instrument machine. However, similar accidents occurred one after another, and the amount of construction work is increasing day by day. The adhesive injector of the present invention and the repair work using the same respond to the demands of this world, and their achievements in the industry are immeasurable.

[Brief description of drawings]

Fig. 1 ..... where the outer wall is being repaired using the injector of the present invention. Fig. 2 ………… Schematic diagram of the adhesive injector of the present invention Section 1 ………… Injection cylinder 2 ………… Adhesive 3 ………… High-pressure piping 4 ………… Switching valve 5 ………… … Extrusion side 6 ………… Cylinder 7 ………… High pressure air 8 ………… Piston 9 ………… Nozzle 10 ………… Suction side 11 ………… Exhaust side hole 12 ………… Adhesive Storage tank 13 ………… Exhaust pipe 14 ………… Exhaust gas pressure 15 ………… Adhesive in tank 16 ………… Push button 17 ………… Digital bulletin board

Claims (1)

[Claims] On the outer walls of buildings and high-rise buildings, we are working to inject an adhesive into each gap to prevent the surface finish mortar and tiles from floating and peeling and dropping due to cracks. Then, every time the push button is pressed, a fixed amount of adhesive is pressed into the injector.