CN2412093Y

CN2412093Y - Fast mounting non-metal anchor head

Info

Publication number: CN2412093Y
Application number: CN 00226110
Authority: CN
Inventors: 惠兴田; 王永生
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-02-22
Filing date: 2000-02-22
Publication date: 2000-12-27
Anticipated expiration: 2010-02-22

Abstract

The utility model relates to a fast installing non-metal anchoring head which is used for supporting and protecting mine laneways. The fast installing non-metal anchoring head is composed of an expansion casing body, a cone, and an expansion sleeve, wherein, the expansion sleeve is additionally arranged between the expansion casing body and the cone, one end of the expansion sleeve is provided with the cone which is matched with the expansion casing body, the other end is provided with an expansion body which can be inlaid into the cone, and expansion gaps are uniformly distributed on the periphery of the expansion body. The fast installing non-metal anchoring head has the advantages of ability of expansion capacity and frictional resistance increase, anchoring force increase, and convenient and reliable installation and operation.

Description

The nonmetal anchorage head of fast-assembling

The utility model belongs to mine laneway supporting anchorage head, relates in particular to the nonmetal anchorage head of a kind of fast-assembling.

Existing nonmetal anchorage head adopts single cone expansion type or two-way cone expansion type mostly.Single cone expansion type anchorage head is made up of bloated housing and cone, because the anchor pole aperture is very little, the tapering of its cone can't be done greatlyyer, though the shell length that expands increases, make expand housing and the increase of anchor pole hole wall contact surface, but but swell increment is limited in effective mobility scale, can not reach higher friction power.Two-way cone expansion type anchorage head is made up of bloated housing and two cones of a two-way opening, it has overcome the shortcoming of single cone expansion type anchorage head, but the same problem that exists of this structure is: when anchor bar body draw an end cone enter expand housing to a certain degree after, can pass bloated housing middle part and act on other end cone, this just makes another cone ineffective gradually, therefore along with the stressed increase of anchor bar body, the anchored force of anchorage head can descend on the contrary.

In addition, present nonmetal anchorage head uses plastics, rubber and composite material thereof or other nonmetals mostly, and after its common defective was the anchorage head anchoring, the scholar variable was very big, easily causes anchored force decreased later or locking anchor bar body not to reclaim.

For overcoming above-mentioned defective, the purpose of this utility model is to provide a kind of to be increased swell increment and frictional resistance, the change of the scholar in minimizing anchorage head work later stage and is beneficial to the nonmetal anchorage head of fast-assembling that reclaims anchor bar body.This anchorage head can improve its anchored force greatly, and is safe and reliable.

The utility model is realized with following technical scheme in order to achieve the above object: it comprises bloated housing, cone, it is bloated housing two ends are to having dilatation joint, set up expansion sleeve between described bloated housing and the cone, one end of expansion sleeve is made as the cone that is complementary with the housing that expands, the other end is made as the expander that can embed cone, and its expander periphery is evenly equipped with dilatation joint.

Above-mentioned bloated housing two ends are at uniform 3 pairs of totally 6 dilatation joints of both direction, and the length of every end dilatation joint surpasses half of the shell length that expands and less than 90% of the shell length that expands.

The cone segments internal diameter of above-mentioned expansion sleeve is provided with and is beneficial to the iron wire arrangement of reinforcement that reclaims anchor bar body.

Above-mentioned bloated housing, cone, expansion sleeve are made by hardening plasticity cement.

The utility model compared with prior art, adopted the inflatable technology of cone, promptly expand and set up expansion sleeve between housing and the cone, the one-level expansion is increased to double expansion, the conical section that enters in the housing that expands also can be expanded, thereby make the swell increment of former anchorage head increase by 1 times, also make expand housing and the increase of anchor pole hole wall contact surface simultaneously, therefore overcome the defective that existing anchorage head swell increment is little, frictional resistance is little; In addition, the housing two ends of expanding are at the uniform dilatation joint of both direction, and the length of every end dilatation joint surpasses half of the shell length that expands and less than 90% of the shell length that expands, can make conical section penetrate the other end from an end of the housing that expands like this, thereby increase swell increment.Also, have the higher characteristics of suitable plasticity and hardness, so can prevent that anchoring later stage scholar from becoming and anchored force descends because the utility model has adopted the hardening plasticity cement material.

Increase greatly by above the utility model swell increment that the analysis showed that, improved frictional resistance and anchored force, be convenient to the recycling of anchor pole.

The utility model is described in further detail by embodiment below in conjunction with accompanying drawing:

Fig. 1 is the utility model assembly structure schematic diagram;

Fig. 2 is the utility model expansion sleeve structural representation;

Fig. 3 is that the A of Fig. 2 is to view;

Fig. 4 is the bloated shell structure schematic diagram of the utility model;

Fig. 5 is that the B of Fig. 4 is to view.

Referring to Fig. 1 to Fig. 5: the utility model is by bloated housing 1, cone 2, expansion sleeve 3 is formed, expansion sleeve 3 is set up between bloated housing 1 and cone 2, one end of expansion sleeve 3 is made as the cone that is complementary with the housing 1 that expands, the other end is made as the expander that can embed cone 2, its expander periphery is evenly equipped with 3

dilatation joints

5,3 pairs of totally 6 dilatation joints 4 are split in that both direction is uniform in it is bloated housing 1 two ends, the length of every end dilatation joint 4 is above half of housing 1 length that expands and less than 90% of housing 1 length that expands, can guarantee that like this conical section penetrates the other end from an end of the housing that expands, and increase swell increment; In addition, the cone segments internal diameter of expansion sleeve 3 is provided with and is beneficial to the iron wire arrangement of reinforcement 6 that reclaims anchor bar body, and cone 2 internal diameters also are provided with and are beneficial to the iron wire arrangement of reinforcement 7 that reclaims anchor bar body.Here bloated housing 1, cone 2, expansion sleeve 3 are made by hardening plasticity cement.

Referring to Fig. 4: the external surface of the housing 1 that expands is made as the zigzag fashion 8 that can increase frictional force.

Referring to Fig. 1: the utility model in use, the conical section of expansion sleeve 3 inserts the housing 1 that expands, and makes the housing 1 expansion back of expanding closely contact generation frictional force with the anchor pole hole wall, simultaneously, cone 2 enters the expander part of expansion sleeve 3, also closely contacts generation frictional force with the anchor pole hole wall after it is expanded.

The utility model is installed, uses quick reliable, and cost is low, can be extensive use of in the supporting of mine laneway and other building lot, has a good application prospect.

Claims

1, the nonmetal anchorage head of a kind of fast-assembling, it comprises bloated housing (1), cone (2), its bloated housing (1) two ends are to having dilatation joint (4), it is characterized in that setting up expansion sleeve (3) between described bloated housing (1) and the cone (2), one end of described expansion sleeve (3) is made as the cone that is complementary with the housing (1) that expands, the other end is made as the expander that can embed cone (2), and its expander periphery is evenly equipped with dilatation joint (5).

2, the nonmetal anchorage head of a kind of fast-assembling according to claim 1, it is characterized in that described bloated housing (1) two ends at uniform 3 pairs of totally 6 dilatation joints (4) of both direction, the length of every end dilatation joint (4) surpasses half of housing (1) length that expands and less than 90% of housing (1) length that expands.

3, the nonmetal anchorage head of a kind of fast-assembling according to claim 1 is characterized in that the expander periphery of described expansion sleeve (3) is evenly equipped with 3 dilatation joints (5).

4, the nonmetal anchorage head of a kind of fast-assembling according to claim 1 and 2 is characterized in that the external surface of described bloated housing (1) is made as the zigzag fashion (8) that can increase frictional force.

5,, it is characterized in that the cone segments internal diameter of described expansion sleeve (3) is provided with the iron wire arrangement of reinforcement (6) that is beneficial to the recovery anchor bar body according to claim 1 or the nonmetal anchorage head of 3 described a kind of fast-assemblings.

6, the nonmetal anchorage head of a kind of fast-assembling according to claim 1 is characterized in that described cone (2) internal diameter also is provided with the iron wire arrangement of reinforcement (7) that is beneficial to the recovery anchor bar body.

7,, it is characterized in that described bloated housing (1), cone (2), expansion sleeve (3) made by hardening plasticity cement according to claim 1 or 2 or 3 or 4 or the 5 or 6 nonmetal anchorage heads of described a kind of fast-assembling.