CN1093447A

CN1093447A - Multiple steel cable fix type fastening method

Info

Publication number: CN1093447A
Application number: CN 93114608
Authority: CN
Inventors: 王孝平
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-11-11
Filing date: 1993-11-11
Publication date: 1994-10-12

Abstract

Multiple steel cable fix type fastening method, be applicable to multiple steel cable mightiness belt transport airplane, this connecting means is being connected of wire rope and wire rope self, program is easy during connection, the folded pulling force of connection part folding is big, basic identical with former wire rope, when connecting equal length, the connection of wire rope is disobeyed the outer power of coming and is taken the pulling force of connecting means consistently with former, and when the connection of wire rope relied on external power, the hoop that contracts can increase the pulling force that wire rope connects, the pulling force of this connecting means is big, be difficult for tap and run band, solved the stick up power of steel wire rope head in adhesive tape, save raw material during installation, expense is low, reduce cost consumption during use, the connection pulling force of wire rope is big, can improve safe guarantee.

Description

Multiple steel cable fix type fastening method

The inventive method is useful for the connection of the adhesive tape of large-scale multiple steel cable mightiness belt transport airplane.

SQK-II type multiple steel cable mightiness belt transport airplane, (adhesive tape includes 68 steel cables) is mine well usefulness, is dual-purpose large transport airplane.Its former design is to transport coal and staff, but at the adhesive tape connection part because of not reaching the pulling force more than the regulation requirement (75%), can only singly use.The whole nation is there to be 13 above II type transport airplanes (claiming mightiness belt transport airplane more than 400 kilograms again).The former design connection part that dispatches from the factory is that 2.5 meters wire rope is taken method is seen (Fig. 1).Under the situation that the connection part amount of maintenance is big during use, change 4 meters wire rope into and take (Fig. 1) seen in connecting means.(former connecting means with now with the connecting means wire rope be not connected be glue Adhesion force and the row pulling force).Pricking grant Nore Mining Bureau (bundle office) is example, one (400 kilograms) above multiple steel cable mightiness belt transport airplane (1300 meters) was installed in bundle office Ling Quan colliery in 87 years, use 90 years, (because of connection part increases by 0.2 meter), stop production a week, to use sizing material, the storage life of sizing material be 3 months because connected at that time, to making the air transport sizing material.Bundle office Ling Quan colliery multiple steel cable mightiness belt transport airplane is an example, and only the maintenance cost of raw and processed materials in 92 years a year reaches tens0000 yuan, advances 3533 kilograms of sizing materials altogether, and 25 yuan of per kilograms (Ling Quan colliery the supplies section provides) close 88325 yuan altogether.(80 percent utilization rate by sizing material is 2826 kilograms) is 1413 kilograms by Maintenance Company's joint with 50 percent, and remaining 1413 kilograms are used for changing connecting head, 50 kilograms on every meter former adhesive tape, 23 kilograms of wire rope, 27 kilograms in adhesive tape glue, bonding every rice glue band will be with 27 kilograms of sizing materials.Filled up 4 adhesive tapes (every 100 meters on adhesive tape is long) at the beginning of 90 years to 93, by changing connecting head with 200 meters calculations, be 70 meters every year, and 70 meters former adhesive tape can be changed 10 connecting heads.Change connecting head and will remove 2.5 meters of former connecting head, change and now remove 4 meters former adhesive tape again, (4 meters wire rope connects need 8 meters, become 4 meters after the connection) with connecting means.Every meter former adhesive tape is worth 1700 yuan, and changes 1 connecting head, in the time of removing 6.5 meters adhesive tape and moulding with 4 meters sizing material, (value of platform adhesive tape and sizing material altogether), each connecting head removes 11000 yuan of the value of adhesive tape, 2700 yuan of usefulness sizing materials close 13700 yuan altogether.Annual 10 adhesive tape, sizing material and other expenses that connecting head is thrown away, the value hundreds of thousands unit of changing.

(Fig. 1-3) O is that wire rope, M are rice

(Fig. 1) 2.5 meters, for the former plan that dispatches from the factory is a rake angle,

4 meters, be rake angle for existing with figure,

1, the wire rope overlapped points,

2, the wire rope docking point.

(Fig. 2) the present invention is 2.5 meters wire rope connection diagrams, is positive-angle,

3, the docking point of outer six glue of the every steel cable of the present invention,

4, one docking point in the every steel cable of the present invention,

5, the present invention's hoop point that contracts,

(Fig. 3) wire rope connection diagram of the present invention

6, be the dead point of second head,

7, be the dead point of first head,

8, separately four glue of first head,

9, separately four glue of second head,

When the objective of the invention is to the mightiness belt transport airplane more than user's use (400 kilograms), improve good utilization rate, can make the staff that safety guarantee is arranged, reduce user cost consumption, the benefit that raises the cost, the policy of assurance safety first; Also changed existing with (power of sticking up of 136 steel cable heads) and wire rope and the wire rope connectivity problem that do not have self of connecting means wire rope in adhesive tape.Also can increase virgin rubber and take the pulling force that adds man-hour before the factory out of, can increase by 40% quantity of wire rope.Its former design wire rope connects pulling force, and wirerope diameter is (9mm) every steel cable pulling force (7 tons), and design connecting means pulling force is (338.5 tons), 68 steel cables are arranged in the adhesive tape, take, see (Fig. 1) 2.5 meters the method connection, 19 tons of rubber alloy tensile force of belt, it reaches 71.3% pulling force.Pulling force of the present invention, wirerope diameter are (9mm), the connection of clean wire rope, and the test pulling force is (connection of 15 steel cables can reach 71.8%, the pulling force of meter adhesive tape, and reach 72.9% and see (Fig. 2) 2.5 meters).(Fig. 2) 5 are the hoop formula that contracts, and every steel cable contracts six to bind round can be increased pulling force (500 kilograms) and can reach 79.5% pulling force, surpass (75%) above pulling force of regulation.Be 4 meters with connecting means now, do not have data, tensile machine is 3.5 meters a length.

Method of work of the present invention is manual operations, under the prerequisite of former connecting means, does not add any instrument and equipment, sees (Fig. 3).The first of adhesive tape, the clean body wire rope at second two is 2.4 meters, first, the adhesive tape centering at second two is fixing dead, the centre is 2.5 meters, separately see (Fig. 3) 8 according to the first head wire rope that is as the criterion during connection, three strands and four strands, (every steel cable is seven strands), in four strands central strand is arranged, assign to the bottom, (central strand cuts with afterbody and is as the criterion in surplus 1.25 meters) sees (Fig. 3) 9 second is stretching again, is as the criterion according to four strands of first head, see (Fig. 3) 7, for dead point (tip of second head is that (Fig. 3) 6 seen at the dead point) dead point according to the first head is as the criterion, (seven strands of breach according to the dead point of first head of the wire rope of second head are as the criterion, and totally four strands separately to divide out six strands three strands to add central strand), the breach that outer three bursts of dead points of seeing (Fig. 3) 6 and first head of its second head are four strands matches.Also according to the bottom surplus 1.25 meters of first central strand, the central strand of second head also is as the criterion in surplus 1.25 meters according to the bottom, is 2.5 meters in the middle of four bursts of connections at such first and second two.The connection of wire rope is spiral, pitch, one to connection, connection part for middle for seeing (Fig. 3) well.See (Fig. 2) 4, wire rope is connected that position connection can, so just connect in the intermediate portion, connect a circle back tension, each head of both sides is just passable around two circles again, and Cheng Du and process that every wire rope connects come to this, each remaining head no matter, like this every wire rope connect finish after, again adhesive tape is loosened the back every each remaining stature is docked by every per share average 0.4 meter distance, so just can make every steel cable direct sum see (Fig. 2) together.

The linker of this method is easy, and personnel are understandable during its work, the time can divide two groups and carries out (centre according to adhesive tape is as the criterion) a group in work and advance two groups of method of works of moving back.When using, can save great deal of raw materials when mounted, be the connecting means of a kind of multiple steel cable mightiness belt of being expected of user.

With connecting means of the present invention, (400 kilograms) above multiple steel cable mightiness belt transport airplane of installing one 1500 meters is an example, (the longest has more than 3000 meters) can save raw material expense more than tens0000 yuan, it is 32 connecting heads that 1500 meters transport airplane needs 32 adhesive tapes (100 meters every), (now will throw away 4.43 meters former adhesive tape with each connecting head of connecting means) now sees (Fig. 1) 4 meters with connecting means, 4 meters of broken glue face lengths, first, second two is 8 meters, is 4 meters after the connection.The adhesive tape of being thrown away is 4.43 meters and sees that (Fig. 1) adds totally 0.43 meter that 110 degree angles will be thrown away, now with 4 meters of sizing materials of connecting means moulding, the broken glue face of invention connecting means is 2.4 meters and sees (Fig. 2) 2.5 meters, first and second liang is 4.8 meters, after the connection be 2.5 meters, (the invention connecting means is worth 3612 yuan than now saving 2.13 meters on former adhesive tape with each connecting head of connecting means with 2.5 meters of sizing materials in moulding.Save moulding with 1.5 meters of sizing materials, be worth 1012 yuan).Each connecting head inventive method will be saved 4633 yuan than existing with method.1500 meters transport airplane is installed, and 32 connecting heads will be saved 148256 yuan of raw material.(148000 yuan) but now with connecting means the raw material that must throw away be worth.And 148000 yuan of uses of in the invention connecting means, having got back (in use, after 3 years, will save the maintenance expenses of hundreds of thousands unit every year for the user).

Claims

1, a kind of multiple steel cable fix type fastening method, be applicable to multiple steel cable mightiness belt transport airplane, it is characterized in that being connected of wire rope and wire rope self, adopt manual behaviour to do, do not need to add again any instrument, can add hoop during for the external power of increase wire rope, every steel cable is before connection, following six hoops tighten hoop after the wire rope connection earlier, and it has strengthened the pressure before the wire rope moulding.