CN2667015Y

CN2667015Y - Composite manhole base

Info

Publication number: CN2667015Y
Application number: CN 200320131476
Authority: CN
Inventors: 周虹; 陈忆
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-12-07
Filing date: 2003-12-07
Publication date: 2004-12-29
Anticipated expiration: 2013-12-07

Abstract

The utility model relates to a composite manhole base. The manhole base is an integral structure. A core taking frame structure is provided on horizontal direction of enclosure of the manhole base or vertical direction of bottom of the manhole base. Outer wall of the manhole base is evenly provided with vertical ribs. Comparing with prior art, the composite manhole base is characterized in that: (1) the core taking frame structure reduces weight of the manhole base and increases practical value of the utility model; (2) the core taking frame structure increases contact area between composite materials and strengthening materials(e.g. concrete material), thus enhancing overall strength of the manhole cover and the strengthening materials and making the manhole cover hardly crack and break; vertical ribs evenly distributing on the outer wall of the manhole base can increase bearing capacity of the manhole base; (3) the core taking frame structure helps to grout and fill the strengthening materials(e.g. concrete) to upper edge of a manhole mouth and make the manhole base be stressed evenly and not crack after loading.

Description

The composite material manhole seat

Affiliated technical field

The utility model relates to a kind of inspection shaft seat, specifically is meant the supporting inspection shaft seat of a kind of that make with composite material and inspection shaft lid.

Background technology

Road cellar well generally is to be finalized the design by the well seat around the well head, and well head is covered by well lid.When mounted, earlier the well seat is fixed on the borehole wall brick or prefabricated cement upper edge, generally adopts concrete material (cement, sand, stone) fixing.Existing well seat all adopts solid construction design (seeing Fig. 1 and Fig. 2), be unfavorable for the cement can, make well seat discontinuity easily, because the contact area of two kinds of materials is less than normal, find during use that concrete and well seat adhesion strength are not high, cause the well seat paving the way or vehicle is frequently executed the application life that occurs cement cracking, broken phenomenon after carrying and influence product, even potential safety hazard occurs.

Composite material such as glass fiber reinforced unsaturated polyester resin moulding compound (SMC, DMC, BMC, HMC) are though have the lot of advantages characteristic for the inspection shaft of base material lid, but its well seat and common inspection shaft seat made from identical composite material have same defective, (it has the intensity height to make the composite material manhole cover with superior function, Corrosion Protection is good, antistatic, in light weight, pollution-free, do not have to recycle be worth, antitheft etc.) apply and be subjected to considerable restraint.

The utility model content

The purpose of this utility model is the structure of existing composite material manhole seat is reasonably improved, provide a kind of in light weight, with the big composite material manhole seat of concrete material contact area.

For achieving the above object, the solution that the utility model is taked is: a kind of composite material manhole seat, well seat are overall structure, the peripheral horizontal direction of well seat or and seat bottom vertical direction for taking out heart frame construction, the uniform vertical rib of well seat periphery wall.

This composite material manhole seat compared with prior art has following characteristics:

1, owing to, alleviated the weight of well seat, improved its practical value for taking out heart frame construction;

2, because for taking out heart frame construction, increase composite material and two kinds of material contacts area of reinforcement material (as concrete material) and the bulk strength that strengthens well seat and reinforcement material makes it not easy to crack and broken.

3,, can improve the bearing capacity of well seat owing to the vertical rib of the uniform vertical rib of well seat periphery wall;

4, this heart framework of taking out helps reinforcement material (as concrete) and pours into and enrich to the well head upper edge and the well seat is stressed evenly, executes to carry can not rupture.

Owing to the utlity model has above-mentioned advantage, the supporting with it composite material manhole cover with superior function is applied easily.

Description of drawings

Fig. 1 is the three-dimensional structure diagram of a kind of composite material manhole seat (prior art).

Fig. 2 is an A place enlarged drawing among Fig. 2.

Fig. 3 is the three-dimensional structure diagram of embodiment one.

Fig. 4 is a B place enlarged drawing among Fig. 3.

Fig. 5 is the three-dimensional structure diagram of embodiment two.

Fig. 6 is a C place enlarged drawing among Fig. 5.

Fig. 7 is the three-dimensional structure diagram of embodiment three.

Fig. 8 is a D place enlarged drawing among Fig. 7.

Fig. 9 is the three-dimensional structure diagram of embodiment four.

Figure 10 is an E place enlarged drawing among Fig. 9.

Figure 11 is the three-dimensional structure diagram of embodiment five.

Figure 12 is a F place enlarged drawing among Figure 11.

The specific embodiment

Below in conjunction with embodiment and accompanying drawing thereof the utility model is remake description.

Referring to Fig. 3～Figure 12, a kind of composite material manhole seat, well seat are overall structure, and peripheral horizontal direction of well seat or well seat bottom vertical direction are for taking out heart frame construction, the uniform vertical rib of well seat periphery wall.

Referring to Fig. 3～Figure 10, four composite material manhole seats shown in embodiment one～embodiment four adopt well seat bottom vertical to take out heart frame construction.

Referring to Figure 11 and Figure 12, the composite material manhole seat shown in the embodiment five adopts horizontal direction to take out heart frame construction.Though it can not directly be poured into the bottom, because width of supporting surface will be less than prior art and than the easy reinforcement material that pours into of prior art.

Claims

1, a kind of composite material manhole seat, the well seat is an overall structure, it is characterized in that: peripheral horizontal direction of well seat or well seat bottom vertical direction are for taking out heart frame construction, the uniform vertical rib of well seat periphery wall.