CN2137715Y

CN2137715Y - Net-laying device for hydraulic support

Info

Publication number: CN2137715Y
Application number: CN 92245279
Authority: CN
Inventors: 王建; 毛信远; 饶明杰; 胡志永; 王彪谋
Original assignee: BEIJING COAL MINE MACHINERY PLANT
Current assignee: BEIJING COAL MINE MACHINERY PLANT
Priority date: 1992-12-30
Filing date: 1992-12-30
Publication date: 1993-07-07
Anticipated expiration: 2002-12-30

Abstract

The utility model relates to a device for laying a mesh after a frame, and the device for laying the mesh after the frame is used for a hydraulic support when a mine is mined in a lay separation mode. The purpose of the utility model is to solve the problem that mesh laying quality is influenced for the slack and the slide of a mesh body occurred when a diamond mesh is laid. The device for laying the mesh after the frame comprises an upper and a lower mesh baskets respectively connected with the back link of a bracket and a base and heavy bobs for pressing the mesh arranged corresponding to the positions of the mesh outlet openings of the upper and the lower mesh baskets. The disadvantages of complex structure and operation, etc. of the tension mode of a friction disc are overcome, and simultaneously the insufficiency that a large amount of meshes are needed to be prepared by the mesh continuation of a mesh punching shaft is also avoided for adopting the structure that the mesh baskets are used for mesh continuation and the structure of the heavy bobs for pressing the mesh and mesh pressing tension. The utility model which is more suitable to bad operation conditions under the mine has the advantages of convenient mesh coil, light mesh conveying weight, simple and direct mesh continuation, reliable performance of a tension mesh body, simple structure and long service life.

Description

Net-laying device for hydraulic support

The utility model relates to a kind of lapping device that is used for hydraulic support, the device of shop fixtures net behind the hydraulic support frames when relating in particular to the higher slice coal mining.

The present device of shop fixtures net behind the frame especially uses and holds that the ability of planting is strong, has in the rhombus net laying apparatus that is easy to realize mechanical netting two kinds of net shaft type and net basket formulas.Wherein net basket formula lapping device is directly to fix a net basket at the bracket base rear portion, be the overlap joint between realization adjacent frame dictyosome, and the high end respectively is provided with the position of net basket.Because net basket is to be fixed on the support rear portion, so the mutual alignment of the amount of lap between dictyosome can only rely on control bracket to move the time guarantees; And the net basket is oversize, has also caused the inconvenience of work plane fortune net.Particularly this device does not have the dictyosome tensioning apparatus, easily causes the landing of rhombus net in the exhibition network process, and dictyosome is laid loose, directly influences the result of use of lower leaf.Net shaft type lapping device then is that the rhombus net volume is transported to the down-hole on special net axle, be installed in again on the rack of being located at the support rear portion, so not only need to make a considerable amount of net axles, and owing between rack and net axle, be provided with the frictional disk spring take-up, make this lapping apparatus structure complexity, to rolling up net, especially having increased difficulty for the operation of continuous net work, and this tensioning mode to have a friction member fragile and need the frequent defective of changing, be not suitable for the bad working environments under the coal mine.

It is a kind of behind frame during the shop fixtures net that the purpose of this utility model is to provide, can the auto-tensioning dictyosome, can avoid the loose lapping device of dictyosome when particularly laying the rhombus net effectively.

The utility model has the advantages that: owing to press the net weight in the utility model is to rely on himself weight generation frictional force, thereby make dictyosome in exhibition net process of deployment, all the time can auto-tensioning, structure and complicated operation that friction tensioning mode is had have been overcome effectively, shortcomings such as friction member rapid wear, its performance is more reliable, and the lapping quality also improves greatly, more is applicable to the bad working environments under the coal mine.Simultaneously, the utility model has adopted a structure of pressing net weight pressure net, the continuous net of net basket, has both avoided required the wearing of a large amount of preparations to net axle, simplified volume net operation again, alleviated fortune net weight, and it is convenient to have simple and reasonable, a continuous net operation, long service life and advantage such as be easy to apply.

Description of drawings of the present utility model is as follows:

Fig. 1 is a connection schematic diagram of the present utility model;

Fig. 2 is the vertical view of Fig. 1;

Fig. 3 and 4 is the structural representation of off line basket and coupling part in the utility model;

Fig. 5 is the structural representation of online basket in the utility model.

Below in conjunction with accompanying drawing the utility model is further described:

Referring to Fig. 1 and Fig. 2.Shop fixtures net arrangement behind a kind of frame that is used for hydraulic support, comprise the online basket 1 that links with the support back link, with the off line basket 3 that flexibly connects by transverse axis 6 and bracket base rear portion wire guide axle 2 one sides, and be articulated on the bearing 5 at base rear portion respectively and the pressure

net weight

4 and 9 on the transverse axis 6.As can be seen from the figure, in the present embodiment, online basket 1 is in the both sides of the back link of a support with its biside plate hinged (maybe can be referred to as removably and back shaft swingingly hang) relatively; And off line basket 3 is to link to each other respectively with the adjacent both sides of base of two adjacent stents by wire rope 7.Like this, make off line basket 3 relative two adjacent stents realize flexibly connecting.Certainly, in this type of attachment, preferably transverse axis 6 two ends on off line basket 3 are provided with fixed pulley, and an end of wire rope 7 is fixed on the support, and the other end then passes above-mentioned pulley and is fixed on another support.Though this structure is not given expression clearly in the accompanying drawings, this is undoubtedly a kind of preferred forms that is included in the utility model scope for those of skill in the art.

The vertical view and the lateral view of Fig. 3 and the off line basket 3 of 4 expressions, as can be seen from Figure 3, off line basket 3 is provided with a transverse axis 6, these both sides of 6 are hinged with the side plate 10 of off line basket 3 respectively, and on transverse axis 6, be provided with fixed bearing 8, in order to fixed pulley to be set,, on transverse axis 6, be set with the pressure net weight 9 that can rotate relative to transverse axis 6 in biside plate 10 inboards.With reference to figure 4 as can be seen, press net weight 9 be under the effect of deadweight, be pressed in off line basket 3 go out the network interface place.

Represented to be arranged at the shape (circular arc hatching line part among the figure) of the retaining groove between the biside plate 10 among Fig. 4.Be curved at interpleural retaining groove promptly, opened upper end is so that net volume can enter off line basket 3 smoothly.The bottom that the lower right corner is illustrated in off line basket 3 among the figure also is provided with an opening 12, in order to Zhan Wangshi will discharge from the spoil that falls between two adjacent supports with the support reach at dictyosome.Make dictyosome be able to level and smooth guiding piece 11 of deriving smoothly and be provided with in the dictyosome exit of off line basket 3.

Fig. 5 has represented the structure of online basket 1.Identical with off line basket 3, online basket 1 also is made up of the upper and lower retaining groove 15 and 13 of circular arc that is fixed between the biside plate 18, upper and lower retaining groove 15 and 13 alternate settings on online basket 1 excircle, thus dictyosome outlet 17 is gone up in formation.Following retaining groove 13 exports 17 places near last dictyosome and also is provided with the upward guide piece 14 that dictyosome is gone up in guiding.Side plate 18 is provided with and is used for the connecting hole 16 that matches with bearing pin on the support back link.

To the track route of dictyosome up and down be described referring again to Fig. 1 below.Represent dictyosome up and down with fine line among the figure, wherein go up in the dictyosome outlet 17 of dictyosome from online basket 1 and drawn, under the guiding of upward guide piece 14, extend downward the wire guide axle 2 that is fixed in the bracket base rear portion, the pressure net weight 4 that is hinged on the base rear support 5 contacts with wire guide axle 2, press net weight 4 to go up the dictyosome width relatively as can be seen from Figure 2 and be arranged on the wire guide axle 2, and can be around relative wire guide axle 2 swings of bearing pin that are fixed on the bearing of bracket base rear portion.Like this, last dictyosome just through wire guide axle 2 and press between the net weight 4 the gap and by pressing net weight 4 that its tensioning is attached on the wire guide axle 2, extend to adopting the sky side then.

Can find out also that from Fig. 1 and 2 following dictyosome stretches out through pressing between net weight 9 and the guiding piece 11 from the exit of off line basket 3, and by pressing net weight 9 that it is pressed on the guiding piece 11.Then, following dictyosome is along excircle (promptly adopting the sky side) extension downwards of off line basket.Simultaneously, off line basket is to be pressed in the last dictyosome laid and the following dictyosome lap-joint.

Claims

1, a kind of lapping device that is used for hydraulic support, the off line basket that includes the online basket that is connected with the support back link and flexibly connect with adjacent two hydraulic support foundation rear ends respectively, it is characterized in that: be positioned to go out the network interface place with respect to the online basket on the bearing at bracket base rear portion and be provided with the pressure net weight that is used for dictyosome in the tensioning, also be provided with in the dictyosome exit of off line basket and be used under the tensioning dictyosome and press the net weight.

2, lapping device as claimed in claim 1 is characterized in that, described online basket be by and the side plate that links of support back link both sides and the circular arc retaining groove that is fixed between the biside plate constituted, and online basket is positioned at the dead astern of support.

3, lapping device as claimed in claim 1 is characterized in that, off line basket is arranged on the rear side between the adjacent two stands base, by and base between a transverse axis flexibly connecting with itself and base connection.

4, lapping device as claimed in claim 3, it is characterized in that, said off line basket is made up of circular arc retaining groove and the side plate that is fixed on these retaining groove two ends respectively, and the two ends of described transverse axis are hinged with biside plate respectively, and is set with pressure net weight in the biside plate inboard on transverse axis.

5, lapping device as claimed in claim 1 is characterized in that, the bracket base rear portion be provided with base with a wide wire guide axle, contact with rotating pressure net weight in both sides with respect to the wire guide shaft length section of online basket width.

6, lapping device as claimed in claim 1 is characterized in that, said pressure net weight is made up of hammer body and the hammer handle that is connected with it, and hammer handle is articulated in respectively on the bearing at base rear portion rotationally and the transverse axis that flexibly connects with base on.