CN202300434U

CN202300434U - U-shaped steel connection clamp cable with limit function

Info

Publication number: CN202300434U
Application number: CN2011203990397U
Authority: CN
Inventors: 陶方新
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-10-19
Filing date: 2011-10-19
Publication date: 2012-07-04
Anticipated expiration: 2021-10-19

Abstract

The utility model relates to a U-shaped steel connection clamp cable with a limit function. The U-shaped steel connection clamp cable comprises an upper clamp cable and a lower clamp cable, wherein the upper clamp cable is arranged at the upper end of a U-shaped steel lap joint; the lower clamp cable is arranged at the lower end of the U-shaped steel lap joint; the upper clamp cable comprises an upper clamp block and an upper clamp cover, and the upper clamp block is connected with the upper clamp cover through bolts; the lateral surface of the upper clamp block is in a Z shape; the lower clamp cable comprises a lower clamp block and a lower clamp cover; the lower clamp block is connected with the lower clamp cover through bolts; and the lateral surface of the lower clamp block is in a Z shape. According to the U-shaped steel connection clamp cable, the clamp blocks of the clamp cables are arranged in a Z shape, so that U-shaped steel is limited by the bending part of the Z shape; meanwhile, the quantity of connecting bolts of the clamp cables is increased, so that the most shear force generated by the U-shaped steel is acted on the bending of the Z-shaped clamp blocks, the shear force acted on the bolts is reduced, the service life of the bolts is prolonged, connection firmness between the U-shaped steel is ensured, the use safety of U-shaped steel sheds is ensured, the safety of roadways is ensured and the safe and smooth implementation of production is ensured.

Description

The U shaped steel Connection Card cable of band limit function

Technical field:

The utility model belongs to the colliery tunnel support technical field, is specifically related to a kind of U shaped steel Connection Card cable with limit function.

Background technology:

The U type steel shed is to support the critical component that coal mine roadway is used, and the U type steel shed is to interconnect between the U shaped steel to overarch, and interconnecting through the card cable between the U shaped steel accomplished; Therefore, the performance of card cable directly affects the enabling capabilities of U type steel shed, along with science and technology development; To the layout in field with "nine squares", the exploitation in colliery is progressively being deepened; For do not waste resource, some large-scale mine enterprise exploits being stored in the following coal seam of km, this just needs the higher U type steel shed of enabling capabilities, still; The card cable that interconnects usefulness between the existing U shaped steel mainly is to rely on the U shaped steel after two bolts will overlap to compress, thereby forms the U type steel shed, like this when the U type steel shed is born pressure; The connecting bolt of card cable bears shearing force, and along with the intensification of the coal mining degree of depth, the pressure that the U type steel shed is born is increasing; The shearing force that the connecting bolt of card cable bears is also increasing, and therefore, existing card cable can not satisfy instructions for use; Often take place in use that bolt breaks, many places take place that U type canopy post leg inwardly squeezes, U type card cable breaks, the shed distortion is serious, the section convergence is big, causes the tunnel repeatedly in bad repair; Bring major hidden danger to safety in production, also cause a large amount of economic losses simultaneously.

The utility model content:

In sum, in order to overcome the deficiency of prior art problem, the utility model provides a kind of U shaped steel Connection Card cable with limit function; It is to be arranged to " Z " font at the deck of card cable, and the dogleg section of utilization " Z " font is carried out spacing to U shaped steel, increases the quantity of the connecting bolt of card cable simultaneously; Thereby the shearing force major part that U shaped steel is produced acts in the bending of " Z " font deck, and the shearing force that acts on the bolt reduces, thereby guarantees the application life of bolt; The fastness that connects between the assurance U shaped steel; And then the safe handling of assurance U type steel shed, guaranteeing tunnel safety, the assurance production safety is carried out smoothly.

For solving the problems of the technologies described above, the technical scheme of the utility model is achieved in that

A kind of U shaped steel Connection Card cable with limit function, wherein: comprise card cable and following card cable, on block the upper end that cable is arranged on U shaped steel lap-joint; Block the lower end that cable is arranged on U shaped steel lap-joint down, on block cable wrap and draw together upper blocking seat and Shang Kagai, upper blocking seat is connected through bolt with last Ka Gai; " Z " type that is shaped as of the side of upper blocking seat; Under block cable wrap and draw together down deck and Xia Kagai, following deck and down Ka Gai connect " Z " type that is shaped as of the side of following Ka Gai through bolt.

Further, described upper blocking seat and the last card quantity of covering interconnective connecting bolt is at least four.

Further, described deck down is at least four with the quantity of blocking the interconnective connecting bolt of lid down.

The beneficial effect of the utility model is:

1, the utility model is to be arranged to " Z " font at the deck of card cable; The dogleg section of utilization " Z " font is carried out spacing to U shaped steel, increase the quantity of the connecting bolt of card cable simultaneously, thereby the shearing force major part that U shaped steel is produced acts in the bending of " Z " font deck; The shearing force that acts on the bolt reduces; Thereby guarantee the application life of bolt, the fastness that connects between the assurance U shaped steel, and then the safe handling of assurance U type steel shed; Guarantee tunnel safety, the assurance production safety is carried out smoothly.

2, the utility model can be controlled the empty top of tunnel face roof phenomenon, has guaranteed worker's personal safety, has improved the working condition of work plane, has improved production capacity.

3, the utlity model has simple in structurely, easy to use, fixed, be not easy to come off, supporting time is long, has improved security reliability.The card cable is easy to the location during installation, not only can alleviate labor strength, when wherein a bolts is broken by roadway surrounding rock, can in time more renew screw, carry out second consolidation, has reduced the maintenance rate in tunnel, has improved work efficiency.It does not receive the pressure of top board to cause the generation of losing phenomenon, has practiced thrift the input of cost of materials.

Description of drawings:

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the A-A cross-sectional schematic of the utility model Fig. 1;

Fig. 3 is the structural representation of the utility model upper blocking seat;

Fig. 4 is the structural representation of Ka Gai under the utility model.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is done further to specify.

Like Fig. 1,2,3, shown in 4, a kind of U shaped steel Connection Card cable with limit function comprises the card cable and blocks cable down; Last card cable is arranged on the upper end of U shaped steel lap-joint, and play card cable is arranged on the lower end of U shaped steel lap-joint, on block cable wrap and draw together upper blocking seat 1 and go up to block and cover 2; Upper blocking seat 1 and last card lid 2 are connected through bolt, and the quantity of bolt is four, " Z " type that is shaped as of the side 5 of upper blocking seat 1; Under block cable wrap draw together down deck 4 and down card cover 3; Following deck 4 and down card cover 3 and connects through bolt, the quantity of bolt is four, following " Z " type that is shaped as that covers 3 side 6 that blocks.

During installation, " Z " type that is shaped as of the side of upper blocking seat 1, the upper surface that the dogleg section of " Z " type is blocked U shaped steel lap-joint will be gone up card lid 2 and upper blocking seat 1 then and will be connected through bolt; And clamp U shaped steel, following " Z " type that is shaped as that covers 3 side, the lower surface that the dogleg section of " Z " type is blocked U shaped steel lap-joint of blocking; To play card lid 3 to be connected through bolt then and clamp U shaped steel with following deck 4, during use, the shearing force of U shaped steel lap-joint generation act on upper blocking seat 1 and following block cover 3 and connecting bolt on; Thereby reduce the size of the suffered shearing force of connecting bolt, avoid bolt to cut off, simultaneously; Adopt four connecting bolts, when one of them is cut off, individual the stable of U shaped steel connection that still can guarantee of its excess-three; Only need in time to change the bolt that damages and get final product, do not need whole U type steel shed dismounting, maintenance maintenance is convenient.Upper blocking seat 1 and down card cover 3 side view and be " Z " type, in use, the dogleg section of " Z " type plays position-limiting action, and bears most of pressure.

Be noted that; The foregoing description is to the explanation of the utility model technical scheme and unrestricted; Other modification that is equal to replacement or makes of affiliated technical field those of ordinary skill according to prior art; As long as do not exceed the thinking and the scope of the utility model technical scheme, all should be included within the desired interest field of the utility model.

Claims

1. U shaped steel Connection Card cable with limit function; It is characterized in that: comprise card cable and following card cable, on block the upper end that cable is arranged on U shaped steel lap-joint, block the lower end that cable is arranged on U shaped steel lap-joint down; Last card cable wrap is drawn together upper blocking seat (1) and is gone up Ka Gai (2); Upper blocking seat (1) is connected through bolt with last Ka Gai (2), and " Z " type that is shaped as of the side (5) of upper blocking seat (1), following card cable wrap are drawn together down deck (4) and reached Ka Gai (3) down; Following deck (4) reaches down, and Ka Gai (3) connects " Z " type that is shaped as of the side (6) of Xia Kagai (3) through bolt.

2. the U shaped steel Connection Card cable of band limit function according to claim 1 is characterized in that: described upper blocking seat (1) is at least four with the quantity of the interconnective connecting bolt of last Ka Gai (2).

3. the U shaped steel Connection Card cable of band limit function according to claim 1 is characterized in that: described deck (4) down is at least four with the quantity of the interconnective connecting bolt of following Ka Gai (3).