CN201245841Y

CN201245841Y - Construction apparatus of concrete panel rock fill dam inclined slope surface protection isolated layer

Info

Publication number: CN201245841Y
Application number: CNU2008203019372U
Authority: CN
Inventors: 潘文庆
Original assignee: Guizhou Huadian Engineering & Technology Co Ltd
Current assignee: Guizhou Huadian Engineering & Technology Co Ltd
Priority date: 2008-08-27
Filing date: 2008-08-27
Publication date: 2009-05-27
Anticipated expiration: 2018-08-27

Abstract

The utility model discloses a construction device of a protection isolation layer for the slope surface of concrete face rock-fill dams. The construction device comprises a heavy-duty truck, an asphalt tank arranged at the tail of a container of the heavy-duty truck, a pump connected with the bottom of the asphalt tank, an asphalt conveying pipe connected with the pump through a hose, a three-way valve arranged on the asphalt conveying pipe, a spray gun with a high-pressure hose connected with a side pipe head of the three-way valve, and a hoister fixed at the head of the container, wherein a sand spreader capable of moving on the upstream slope surface is connected with the hoister through a wire rope, and a pair of drums are arranged at the bottom of the sand spreader. After a complete set of construction equipment is arranged on the heavy-duty truck, the construction device can work on the upstream slope surface of the concrete face rock-fill dam to construct the protection isolation layer between the upstream slope surface and the concrete face slab, thereby preventing direct contact between the upstream slope surface and the concrete face slab, reducing interlayer restriction, lowering the probability of slab crack, reducing the maintenance cost of the dam and improving the dam reliability.

Description

The construction equipment of concrete panel rockfill dam slope protecting and insulating layers

Technical field

The utility model relates to a kind of construction equipment, especially a kind of construction equipment of concrete panel rockfill dam slope protecting and insulating layers.

Background technology

At present; concrete rock upstream ramp face mainly is that two kinds of structures are arranged; a kind of by on the bedding material surface of forming the rockfill upstream portion through cutting the slope, rolling the slope structure that forms; another kind is at the bedding material upstream side; form extrusion side wall through extruding or tamp to form with poor cement concrete or mortar and turn over sand slurry abutment wall, form the structure on protection top layer, slope with certain thickness and intensity with template.Because the bedding material slope is loose system, need be cured protection to it, prevent to trample and wash away to destroy along sloping runoff because of construction; The concrete rock build finish after, the slope of which kind of structure all must be built one deck steel concrete panel as leakage preventing structure on the slope of upstream.But because sedimentation and deformation can take place in rockfill, buckling deformation also can take place in panel under effects such as water pressure, variations in temperature, rockfill and panel will be because interface constraints and tractive mutually like this, the probability that cracking takes place panel is increased, and the maintenance cost that causes concrete slab can not play waterproof effect, reliability reduction, dam increases.

The utility model content:

The purpose of this utility model is: the construction equipment that a kind of concrete panel rockfill dam slope protecting and insulating layers is provided; it can be constructed on the upstream ramp face of concrete rock and form protecting insulating layer; minimizing is with the maintenance cost of dam; improve the reliability of dam, to overcome the deficiencies in the prior art.

The utility model is achieved in that the construction equipment of concrete panel rockfill dam slope protecting and insulating layers, it comprises band load-carrying lorry, container afterbody at the load-carrying lorry is provided with an asphalt tank, be connected with a pump in the asphalt tank bottom, pump connects the asphalt delivery pipe by a flexible pipe, and on the asphalt delivery pipe, be provided with three-way valve, be connected with the spray gun of band high-pressure hose on the side pipe head of three-way valve; Head at container is fixed with a hoist engine, and hoist engine connects the sander that can move by wire rope on the upstream ramp face, is provided with a pair of cylinder in the sander bottom.

And on container, be fixed with a crane.

Wherein, the three-way valve on the asphalt delivery pipe is one or more, is spaced apart 12～18m between the contiguous three-way valve.

And be provided with universal wheel in asphalt delivery pipe bottom.

Also can be provided with bracing frame by on the hoist engine frame of upstream ramp face one side; The top of bracing frame is provided with the rope winding jib of a folding and unfolding wire rope, and the bracing frame bottom is provided with the heavy-duty universal wheel.

Be more preferably and be connected with a swivel joint between high-pressure hose and the spray gun.

Owing to adopted technique scheme; compared with prior art; the utility model is provided with the construction equipment that a cover is finished on a load-carrying lorry; it can be constructed on the upstream ramp face of concrete rock; make and have one deck protecting insulating layer between upstream ramp face and the concrete slab; can avoid the upstream ramp face to contact with the direct of concrete slab; reduce the interlayer constraint; reduce the occurrence probability of panel cracking; minimizing is with the maintenance cost of dam; improving the reliability of dam, is that the bedding material ramp structure of loose system can play the effect of solidifying protection to the bedding material slope simultaneously.Construction equipment of the present utility model is simple, and is easy to operate at the bottom of the construction cost, the efficiency of construction height, and result of use is good.

Description of drawings

Accompanying drawing 1 structural representation of the present utility model;

Accompanying drawing 2 is the structural representation of spray gun 9;

The protecting insulating layer structural representation that accompanying drawing 3 forms for the utility model construction.

Description of reference numerals

Upstream ramp face 2-bitumen layer 3-layer of sand 4-goes up bitumen layer 5-and goes up layer of sand

6-container 7-load-carrying lorry 8 asphalt tank 9-spray gun 10-pump 11-flexible pipes

12-asphalt delivery pipe 13-three-way valve 14-hoist engine 15-wire rope

16-sander 17-suspension hook 18-universal wheel 19-bracing frame 20-cylinder

21-high-pressure hose 22-rope winding jib 23-heavy-duty universal wheel 24-swivel joint

The specific embodiment

Embodiment of the present utility model: the structure of the construction equipment of concrete panel rockfill dam slope protecting and insulating layers as shown in Figure 1, load-carrying lorry 7 can be a lorry-mounted crane, a fixing suspension hook 17 is arranged on its container 6, fix an asphalt tank 8 at the afterbody of container 6, the bottom of asphalt tank 8 connects pump 10, pump 10 connects asphalt delivery pipe 12 by a flexible pipe 11, asphalt delivery pipe 12 is that the steel pipe of commercially available diameter 25cm is formed, and in every joint steel pipe bottom of asphalt delivery pipe 12 two pairs of universal wheels 18 has been installed; And three-way valve 13 is installed on asphalt delivery pipe 12, and be spaced apart 14m between the contiguous three-way valve 13, connect a high-pressure hose 21 on the side pipe head of three-way valve 13, high-pressure hose 21 connects spray guns 9 by swivel joint 24; Head at container 6 is fixed with a hoist engine 14, and hoist engine 14 connects the sander 16 that can move by wire rope 15 on upstream ramp face 1, be provided with a pair of cylinder 20 in sander 16 bottoms; At hoist engine 14 by the frame of a side of upstream ramp face 1 at bracing frame 19 of last installation; A rope winding jib 22 that is used for folding and unfolding wire rope 15 is installed at the top of bracing frame 19, connects heavy-duty universal wheel 23 in bracing frame 19 bottoms.

Making softening point earlier is 55 ℃, evaporated residue content is 55% modified emulsifying asphalt, with crane 17 modified emulsifying asphalt is delivered in the asphalt tank 8 on the load-carrying lorry 7, starting pump 10 delivers to the modified emulsifying asphalt suction in the asphalt delivery pipe 12 by flexible pipe 11, operating personnel are with the spray gun on the asphalt delivery pipe 12 9 from top to bottom this modified emulsifying asphalt of sprinkling on the upstream ramp face 1 of concrete rock, and its use amount is 0.8kg/m ², making it on upstream ramp face 1, form bitumen layer 2, and before bitumen layer 2 is solidified, use sander 16 to sprinkle mixed sand in its surface, the fineness modulus of mixed sand is 4, the use amount of every layer of sand is 0.006m ³/ m ², make and form layer of sand 3 on the bitumen layer 2; From top to bottom spraying modified mulseal on layer of sand 3 then, its use amount be bitumen layer 2 use amount 90%, make and form bitumen layer 4 on the layer of sand 3, and to sprinkle fineness modulus before last bitumen layer 4 is solidified in its surface be 4.2 mixed sand that the use amount of mixed sand is 0.005m ³/ m ², make and form layer of sand 5 on the bitumen layer 4; At last the cylinder 20 with sander 16 rolls on the surface of last layer of sand 5, and formation pitch wraps sand material, the crowded protecting insulating layer closely of the mutual embedding of sand material particle, finishes construction.The structure of the protecting insulating layer of Xing Chenging as shown in Figure 3 at last.

Asphalt delivery pipe 12 is provided with a plurality of three-way valves 13, when needing to spray pitch, three-way valve more than asphalt delivery pipe 12 correspondence positions 13 is opened, the side pipe head of modified emulsifying asphalt by three-way valve 13 is transported to spray gun 9 through high-pressure hose 21 and sprays, and close remaining three-way valve 13 are the lower ends that accumulate in asphalt delivery pipe 12 for fear of pitch, do not solidify because temporarily do not flow, cause the obstruction of asphalt delivery pipe 12; Pitch spraying operation hand is sprayed at pitch and forms the band with certain width on the upstream ramp face 1 with spray gun 9 moving on upstream ramp face 1 from top to bottom; This band after hours, load-carrying lorry 7 moves along axis of dam direction, and the universal wheel 18 drive asphalt delivery pipes 12 by asphalt delivery pipe 12 bottoms move on axis of dam direction, and then spray another work plane. because asphalt delivery pipe 12 bottoms are provided with universal wheel 19, moving of asphalt delivery pipe 12 will be easy to and safety; High-pressure hose 21 both can bear the pressure in the pipe, also can handled easily pull dynamic high-pressure flexible pipe 21 and carry out mobile working, and between high-pressure hose 21 and spray gun 9, be provided with swivel joint 24, can avoid in the course of the work owing to rotating the situation that spray gun 9 is twisted high-pressure hose 21; The sand material is packed in the hopper of sander 16 by crane 17, start sander 16 and sand is spread uniformly on the work plane that is sprayed with pitch; Be provided with cylinder 20 in the bottom of sand machine, when wire rope 15 drags sander 16 when the sand face moves up and down, cylinder 20 can be made muller and use, and the sand material that spreads out and cover on the upstream slope 1 is rolled, close to obtain the mutual embedding jam-packed of sand grains, and the deck of process pitch gluing.But because the weight of sander 16 when loading onto the sand material is very big, when the work general work, load-carrying lorry 7 there is very big side direction pulling force, in order to prevent that 7 inclinations of load-carrying lorry from covering, just at hoist engine 14 by the frame of a side of upstream ramp face 1 at bracing frame 19 of last installation; The wire rope 15 that hoist engine 14 is drawn be connected with sander 16, and the heavy-duty universal that is provided with in bracing frame 19 bottoms wheel 23 is moving with car for convenience of bracing frame 19 earlier through rope winding jib 22 again.Suspension hook 17 can be carried operation with weights such as pitch, sand material and sanders 16.

Select for use modified emulsifying asphalt to be because but its application property is good, the technical requirement of softening point and evaporated residue content can guarantee construction quality, in work progress, if the use amount of modified emulsifying asphalt is too small, then can not satisfy bonding requirements, but when use amount is excessive, because working face is an inclined-plane, therefore under the too much situation of pitch, trickling downwards automatically, thus cause waste.

Directly form if the upstream ramp face 1 of concrete rock is a bedding material, its surface is softer, selects the bigger mixed sand of fineness modulus for use, sand is squeezed be embedded in to improve cementability in the upstream ramp face 1 and have certain intensity; If when upstream ramp face 1 is an extrusion side wall or when turning over sand slurry abutment wall, its surface strength is bigger, has small holes, selects the less mixed sand of fineness modulus for use, can fill up hole, increases bonding and sealing effect.The use amount of sand is according to the fineness modulus difference, the scope of selecting is also inequality, the utility model uses by reality and obtains the scope of selecting for use of two kinds of sand consumptions under the fineness modulus, if lacked then can not cover the work plane that sprays mulseal fully, causes construction quality bad; If many will causing to bond together between the sand grains because of mulseal can not wrap sand grains fully.

Claims

The construction equipment of [claim 1] a kind of concrete panel rockfill dam slope protecting and insulating layers, it comprises load-carrying lorry (7), it is characterized in that: container (6) afterbody in load-carrying lorry (7) is provided with an asphalt tank (8), be connected with a pump (10) in asphalt tank (8) bottom, pump (10) connects asphalt delivery pipe (12) by a flexible pipe (11), and on asphalt delivery pipe (12), be provided with three-way valve (13), be connected with the spray gun (9) of band high-pressure hose (21) on the side pipe head of three-way valve (13); Head at container (6) is fixed with a hoist engine (14), and hoist engine (14) connects one by wire rope (15) can go up the sander (16) that moves at upstream ramp face (1), is provided with a pair of cylinder (20) in sander (16) bottom.
[claim 2] is characterized in that according to the construction equipment of right 1 described concrete panel rockfill dam slope protecting and insulating layers: be fixed with a crane (17) on container (6).
[claim 3] is according to the construction equipment of right 1 described concrete panel rockfill dam slope protecting and insulating layers; it is characterized in that: the three-way valve (13) on asphalt delivery pipe (12) is one or more, is spaced apart 12～18m between the contiguous three-way valve (13).
[claim 4] is characterized in that according to the construction equipment of right 1 or 3 described concrete panel rockfill dam slope protecting and insulating layers: be provided with universal wheel (18) in asphalt delivery pipe (12) bottom.
[claim 5] is characterized in that according to the construction equipment of right 1 described concrete panel rockfill dam slope protecting and insulating layers: be provided with bracing frame (19) by on hoist engine (14) frame of upstream ramp face (1) one side; The top of bracing frame (19) is provided with the rope winding jib (22) of a folding and unfolding wire rope (15), and bracing frame (19) bottom is provided with heavy-duty universal wheel (23).
[claim 6] is characterized in that according to the construction equipment of right 1 described concrete panel rockfill dam slope protecting and insulating layers: be connected with a swivel joint (24) between high-pressure hose (21) and the spray gun (9).