CN201412176Y - Shield support used in mining and guide rods and bases thereof - Google Patents

Shield support used in mining and guide rods and bases thereof Download PDF

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Publication number
CN201412176Y
CN201412176Y CN2008900000175U CN200890000017U CN201412176Y CN 201412176 Y CN201412176 Y CN 201412176Y CN 2008900000175 U CN2008900000175 U CN 2008900000175U CN 200890000017 U CN200890000017 U CN 200890000017U CN 201412176 Y CN201412176 Y CN 201412176Y
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China
Prior art keywords
guide rod
side plate
vertical
fork
shaped hinge
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Expired - Fee Related
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CN2008900000175U
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Chinese (zh)
Inventor
K-P·赖歇尔特
A·朔伊纳特
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Caterpillar Global Mining HMS GmbH
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Corporacion Nacional del Cobre de Chile CODELCO
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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/03Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor having protective means, e.g. shields, for preventing or impeding entry of loose material into the working space or support

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Blinds (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Steering Devices For Bicycles And Motorcycles (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

The utility model relates to a shield support used in mining, which is provided with two bases (50), two front guide rods (20) and two rear guide rods (30). The guide rods are swingingly supported on the bases (50) respectively through swinging pins (5, 8) of a front side or a back side. Each guide rod is provided with two longitudinal support bars (21,31), and the end parts of the guide rods extend out of intermediate battens (22, 23) which are rigidly connected with the longitudinal support bars to serve as a lower fork-shaped hinge and an upper fork-shaped hinge to extend out. In order to minimize the danger that the guide rods are clamped when a guide rod transmission mechanism is moved in through the structural measure on the guide rods or the bases, at least the intermediate battens (22) of the front guide rods (20) are spaced at a distance with the lower fork-shaped hinges (23) of the front guide rods (20) through the front sides (25) of the intermediate battens so as to form a vertical channel (26) for the caving ores, and/or the bases (50) are provided with slanting bottoms (53) for discharging the caving ores from the lateral side. The utility model further relates to bases.

Description

The shield support that is used to dig up mine and be used for this guide rod and base
Technical field
The utility model relates to a kind of shield support that is used for down-hole mining.The utility model also relates to a kind of guide rod and a kind of base that is used for shield support that is used for shield support.
Background technology
The applicant will have guide rod of the same type and base of the same type in the mining of down-hole shield support is used for different seam thicknesses and digging height.For shield support can and extraction operation in current exploitation highly irrespectively be opened in the so-called base plate at base place and the work plane between the so-called top board (under the situation of utilizing guide rod transmission mechanism and a plurality of hydraulic props a back timber being pressed onto on this top board), must all evenly change spacing between base and back timber continuously up to reaching two extreme positions.At this, the work plane with low exploitation height or seam thickness becomes a special problem because not only must the low Mars Miner of utilization structure, and shield support must be moved in case of necessity that it is minimum, in the accessible inflow location.In this state, hydraulic prop moves into and preceding guide rod and back-guiding rod almost are parallel to base plate fully.
In order to arrive minimum inflow location, make every effort to for a long time or stops the avalanche rock to accumulate in the wedge-shaped part between base and the respective guide rod, perhaps adopt supervising device, the gathering of this supervising device detection rock piece, thus the miner can remove them.For example known by DE 82 10 762U1, foam cushions is arranged in the wedge-shaped part between guide rod and the base together with a plurality of steel bomb reeds, so that when each guide rod reduces, automatically extrude broken ore.In DE 20 2,005 007725 U1, advise, each guide rod is provided with a cover plate as protector, it intends avoiding broken ore to enter in the wedge-shaped part from the beginning, and known by DE 20 2,004 007 635, and a monitoring sensor that is used for wedge-shaped part is set on hydraulic prop.
The utility model content
The purpose of this utility model is, at a kind of shield support of down-hole mining that is used for by making the dangerous minimum that guide rod blocks when the guide rod transmission mechanism moves on the guide rod or at the structural measure on the base.
According to the utility model, described purpose and other purpose realize like this at a kind of shield support that is used for down-hole mining, be that it has two bases and four guide rods in order to form a guide rod transmission mechanism, wherein two guide rods that can swingingly be bearing on the base by the rocking pin of a front respectively form preceding guide rod, and wherein two guide rods that can swingingly be bearing on the base by the rocking pin of a back respectively form back-guiding rod, wherein each guide rod has two vertical stays, described vertical stay exceeds an intermediate plate bar that is rigidly connected described vertical stay with their end and stretches out as lower fork shape hinge and last fork-shaped hinge, and each base has an intermediate mass and at the side plate of this intermediate mass side, this intermediate mass has the pin accommodation section of a front that is used for rocking pin and the pin accommodation section of a back, at least before each middle the lath of guide rod with the following fork-shaped hinge partition distance of its front side and preceding guide rod constituting vertical broken ore passage, and/or each base is provided with the tilting bottom that is used for side direction discharge broken ore.The measure of two suggestions is set out thus, promptly can not stop the broken ore of being made up of avalanche rock, coal etc. to accumulate in the wedge-shaped part fully.Therefore at the fork-shaped hinge, predetermined vertical broken ore passage can make even accumulate in avalanche rock in the wedge-shaped part and can not hinder each guide rod and be moved in the extreme lower position on the structure between the front side of rocking pin and middle lath, because this rock material can upwards be drained when the immigration by the broken ore passage.Certainly, the broken ore passage must have enough sizes for this reason.But for enough stable and form of implementation rigidity of guide rod own be that described two vertical stays only are welded to each other on a part of zone of its total length, rather than are welded to each other on its whole length as is common in the prior art.Can replace in or be additional to vertical broken ore passage and second measure that is provided with is in the intermediate mass of base and the tilting bottom between the side plate, so that group is ended gathering in wedge-shaped part like this, promptly the avalanche rock can to the side slip and therefore can not accumulate in guide rod, particularly before the below of guide rod.
Can be enough in shield support be, only before guide rod be provided with corresponding vertical broken ore passage.But in particularly preferred form of implementation, the middle lath of back-guiding rod is also with the following fork-shaped hinge partition distance of its front side and back-guiding rod, to constitute or to produce vertical broken ore passage.
To achieve these goals, have two vertical stays according to the guide rod that is used for shield support of the present utility model, described vertical stay exceeds an intermediate plate bar that is rigidly connected described vertical stay with their end and stretches out as lower fork shape hinge and last fork-shaped hinge, can swingingly support guide rod, it is characterized in that, middle lath is with its front side and following fork-shaped hinge partition distance, to produce at least one vertical broken ore passage, when swinging in the substantially horizontal position owing to the immigration of hydraulic prop, can upwards squeeze broken ore by described vertical broken ore passage with convenient guide rod or guide rod transmission mechanism.
In order to realize enough large-sized vertical broken ore passage and the stability that does not endanger necessity of guide rod simultaneously, vertical broken ore passage can guide rod the length between its axis of oscillation at least 25%, preferred about 30% to 50% on extend.Usually, the hinge accommodation section that vertical broken ore passage only is arranged on down basically fork-shaped hinge or base side is other just enough, because adventurous wedge-shaped part is positioned at the there aspect screens.Can be provided with for this reason a unique perforation or continuous, from the vertical broken ore passage of lath front side in the middle of down the fork-shaped hinge extends to always.Perhaps, middle lath also can be by batten member in the middle of a plurality of, particularly batten member constitute in the middle of two, wherein from constituting vertical first a broken ore passage and the preferred other vertical broken ore passage of formation between each middle batten member between the front side of nearest middle the batten member of fork-shaped hinge down and this fork-shaped hinge.Though utilize near less than in the embodiment formerly of vertical broken ore passage this measure fork-shaped hinge with a unique broken ore passage.But simultaneously because in the vertically other Connection Element between the stay, the intensity of guide rod and bending stiffness raising.Particularly advantageously at this be on its front side, to be provided with a space or concave part with the middle batten member of the adjacent setting of following fork-shaped hinge.Further preferably, on its downside, can constitute wedge shape with the middle batten member of the adjacent setting of following fork-shaped hinge, so that improve the derivation of ore to vertical broken ore passage.Instead or additionally, basically only on half degree of depth of vertical stay, extend with the middle batten member of the adjacent setting of following fork-shaped hinge, thereby with the downside partition distance of guide rod and therefore in the bending strength that improves guide rod, increase the free space of base side.
Connect the middle lath of each vertical stay or in the middle of each batten member can constitute solid determining or hollow case, or a hollow intermediate box or the ingredient of intermediate box element, they are welded between each vertical stay.
Shield support or the guide rod that is used for shield support particularly before a kind of particularly advantageous form of implementation of guide rod, each vertical stay is provided with the oblique portion that squeezes on the stay downside.These squeeze oblique portion and can particularly be made of the rake on the outer rib that is respectively formed at each vertical stay.These rakes can be advantageously basically on the whole length between the fork-shaped hinge, the extending of preceding guide rod, and they preferably with the tilting bottom by such mode acting in conjunction, promptly they form a kind of cutting knife effect during the guide rod bottom before each.Thereby this cutting knife effect can additionally outwards and towards the direction of tilting bottom outside and that reduce be extruded broken ore downwards.Further advantageously, the front side of lath also can tiltedly be extended in the downside updip in the middle of each.Rake on the stay downside can preferably extend with about 45 ° angle of slope, squeezes broken ore towards the direction of tilting bottom better so that realize.Identical effect also can be realized in other angle of slope.
Above-mentioned purpose particularly realizes like this at the base that is used for shield support, be that it has an intermediate mass, on this intermediate mass, constitute the pin accommodation section that a pin accommodation section and that is used to support the front of guide rod before is used to support the back of a back-guiding rod, and the both sides at this intermediate mass are provided with side plate, are provided with one between at least one in side plate and the intermediate mass and are used for the tilting bottom that side direction is discharged broken ore.According to the difference of base form of implementation, enough can be that side direction discharge broken ore can only be realized to a side in this tilting bottom.But particularly advantageously be, have according to base of the present utility model or in the shield support of respective seat, between intermediate mass and biside plate, be provided with respectively or constitute a tilting bottom, thereby have a tilting bottom to descend towards affiliated side plate respectively from intermediate mass.
In a kind of form of implementation, each side plate can be provided with recess or the window type space broken ore passage as side direction, wherein each tilting bottom preferably feeds in the lower limb of recess at this, so that can will outwards derive by each side plate at the avalanche rock of side direction landing on the tilting bottom or squeeze.In the form of implementation that substitutes, each side plate can be in front with the back be connected or the rocking pin hinge between be provided with a profile that reduces, this profile has the side plate edge above, each tilting bottom preferably descends towards this side plate edge constantly.The profile that reduces is meant such side plate, and the side plate edge above in these side plates ends on the height of tilting bottom basically.In preferred form of implementation, top side plate edge can be partly with the height identical or be lower than this axis of oscillation ground extension with the axis of oscillation of the rocking pin of back.
In a kind of form of implementation, each base can be constructed by the case structure mode between intermediate mass and each side plate, and each tilting bottom is that leg-of-mutton case constitutes by cross section only, and these casees are placed to again on the case or similar item that is positioned at below them.Perhaps, each base can have solid in beam between intermediate mass and each side plate, these top sides every beam be tilt and form solid tilting bottom with this.Each particularly also can have the tilting bottom of groove shape every beam.Combination thus or also be possible every the layered structure mode of beam.
Advantageously (as original known) is configured for the receiving element of pin safety member respectively in each side plate, for example sell respectively in two bases wherein that safety member can be fixedly mounted on side plate each other or can constitute, and only the side plate of respective external is provided with dismountable pin safety member with these side plate single-piece ground.
Description of drawings
According to other advantages of shield support of the present utility model, as to have the guide rod that constitutes according to the utility model and/or base and form of implementation by drawing in the following description to the embodiment that is schematically shown in the accompanying drawings.Among the figure:
Fig. 1 schematically shows a lateral view with shield support of base, lemniscate quadric chain and caving shield;
Fig. 2 illustrates the vertical view of two bases of a shield support of preceding guide rod with installation and back-guiding rod;
Fig. 3 illustrates along the sectional view of the III-III among Fig. 1, does not wherein have caving shield;
Fig. 4 illustrates a lateral view according to guide rod before of the present utility model;
Fig. 5 illustrates a perspective plan view according to the base of second embodiment;
Fig. 6 illustrates the lateral view of the base among Fig. 5;
Fig. 7 illustrates along the sectional view of the VII-VII among Fig. 6;
Fig. 8 illustrates a lateral view according to the preceding guide rod by second embodiment of the present utility model, partly is broken away; And
Fig. 9 illustrates the vertical view of the guide rod among Fig. 8.
The specific embodiment
Schematically illustrate the shield support that an entirety by reference numeral 10 marks among Fig. 1.This shield support 10 has two bases 50 in a manner known way, only can see one of them at Fig. 1, wherein on each base 50, can swingingly fix respectively a lemniscate quadric chain 2 one before a guide rod 20 and a back-guiding rod 30.Utilize the preceding guide rod 20 and the back-guiding rod 30 of this lemniscate quadric chain 2 can swingingly support a caving shield 3 again, on the upper end of this caving shield, constitute the back timber hinge 4 of a brute force, so that hingedly fix a unshowned back timber there, this back timber can by means of also unshowned hydraulic prop support with respect to base 50 and can be vertically and in limit also horizontal ground motion so that be the down-hole mining apparatus work plane that dig up mine in opening one down-hole between each base 50 and unshowned back timber in extraction operation.Fig. 1 illustrates shield support 10 and is in the position, and caving shield 3 its minimum inflow location of no show still in this position is because guide rod 20 but also back-guiding rod 30 still can continue by the immigration of hydraulic prop to reduce along clockwise direction not only.Title front one by one relates to coming into operation of a shield support 10 for preceding guide rod 20 and back for back-guiding rod 30, Mars Miner moves along the drift face of a down-hole in this comes into operation, and seals the work plane of digging in the top board slump of the back of caving shield 3 and by the rock that falls.Constitute the preceding guide rod 20 of being longer than back-guiding rod 30 so be in drift face neighbouring also therefore in front.
Also as shown in Figure 2, in shield support 10, guide rod 20 is bearing in the connection hinge 6 of a front with the rocking pin 5 of a front before each, and each back-guiding rod 30 is bearing in the connection hinge 8 of back on base 50 by one second rocking pin 7, wherein rocking pin 5 or connect hinge 6 and be higher than the joint pin 7 of back or affiliated connection hinge 8.Be provided with a recessed hinge 9 before the connection hinge 6 of front guide rod 20, that have rocking pin 5 before being used for, being used for the hemispherical that hinge type holds unshowned pillar and connecting the bottom, this pillar is used to shift out and moves into shield support 10.Not only preceding guide rod 20 but also back-guiding rod 30 widely constitute and have respectively vertical stay 21 or 31 of two brute forces, they here by one unique, that form by a hollow case (intermediate box) and middle lath 22 or 32 that on the entire depth of vertical stay 21, extend basically rigidly with bending resistance interconnect. Middle lath 22,32 by means of around weld seam be welded on two vertical stays 21 or 32, as particularly well as seen by Fig. 1 and 2, their respectively only vertical stay 21,31 of guide rod 20,30 fork-shaped hinge 23 down or 33 with last fork- shaped hinge 24,34 between length about 45% on extend, existence is connected with the hinge of caving shield 3 on the fork-shaped hinge on these.Thus, not only the middle lath 22 of preceding guide rod 20 but also the middle lath 32 of back-guiding rod 30 have a front side 25 or 35, and they separate one big section distance with corresponding fork- shaped hinge 23 or 33 down, to constitute microscler, a vertical broken ore passage 26 or 36.As being found out well by the vertical view among Fig. 2, two broken ore passages 26 or 36 vertically extend on half in the pact of their total lengths between the stay 21 or 31 at the corresponding of guide rod 20,30.Utilize vertical broken ore passage 26,36, shield support 10 move into that is at the guide rod 20,30 of lemniscate quadric chain 2 when the direction of base 50 reduces, realization can upwards be squeezed the broken ore that might gather or avalanche rock by broken ore passage 26 or 36, and therefore can not cause when lemniscate quadric chain 2 moves into and block.Not only preceding guide rod 20 but also back-guiding rod 30 can be simultaneously than widely constituting and therefore obtain favourable cross section with support shield beam 3 and back timber reliably, and this wide form of implementation of guide rod 20,30 does not make the immigration performance depreciation of lemniscate quadric chain 2.
At first with reference to Fig. 4, preceding guide rod 20 is shown in the figure at length, partly with cutting open now.Two vertical stays 21 of only preceding guide rod 20 extend on the total length of guide rod 20, the following fork-shaped hinge 23 of the hinge accommodation section 23A that is used for rocking pin under wherein two vertical stays 21 integrally end at and have or have under the last fork-shaped hinge 24 of the hinge accommodation section 24A that is used for rocking pin.Two vertical stays 21 are made up of solid strip, and middle lath 22 is constructed to hollow profile or the box section bar that has around the wooden partition of the less thickness of slab of bending.The middle lath that forms by means of intermediate box 22 is welded on two vertical stays 21 around ground.Lateral view among Fig. 4 is clearly shown that, the front side 25 of middle lath 22 and the axis of oscillation 5 of following fork-shaped hinge 23 ' a have spacing, this spacing near equal in descending the fork-shaped hinge axis of oscillation 5 ' and last fork-shaped hinge in axis of oscillation 24 ' between half of distance.Therefore, can be at the avalanche rock between two vertical stays 21 near upwards squeezing on half length of preceding guide rod 20, if it accumulates in the wedge-shaped part between base and the preceding guide rod.
Two vertical stays 21 also basically they on the whole part length between the two fork- shaped hinges 23,24 stay downside 21 ' on be provided with a rake 27, wherein this rake forms the outer rib of two vertical stays 21 respectively.This is clearly shown that especially by Fig. 3, referring now to this figure.
Fig. 3 with the sectional view by plane shown in Figure 1 illustrate before guide rod 20, thereby from shown in sectional view, two vertical stays 21 extend to the affiliated connection hinge on the base 50 always.Because cut open tight the place ahead that the plane is positioned at the front side 25 of intermediate stays 22 among Fig. 3, so still can identify the vertical broken ore passage 26 between two vertical stays 21.Each vertical stay downside 21 ' on also can clearly identify respectively rake 27 on the outer rib at vertical stay 21, wherein two rakes 27 form and squeeze oblique portion and here with respect to the about 45 ° angle of slope of stay downside 21 ' have.Each stay downside 21 ' on the function of rake 27 be the broken ore when preceding guide rod 21 moves in the extrapolated wedge-shaped part 11 that may accumulate between base 50 and the preceding guide rod 20.For with squeeze the advantageously acting in conjunction of oblique portion 27, base 50 has one respectively every beam 52 in the both sides of an intermediate mass 51, as particularly as seen from Figure 2, the rocking pin 5 or 7 that is respectively guide rod 20,30 on this intermediate mass 51 constitutes the pin accommodation section of a front and the pin accommodation section of a back, described upside 53 every beam tilts to descend towards side plate 54 from intermediate mass 51 with the angle of slope that is essentially 45 ° here, these side plates in both sides and with intermediate mass 51 setting of turning up the soil at interval.The upside 53 that tilts forms tilting bottoms, the below of guide rod before these tilting bottoms accurately are positioned at, and by these tilting bottoms realize side direction discharge by mistake enter before rock piece in the wedge-shaped part between guide rod 20 and the base 50 and other broken ore.Therefore, each tilting bottom 53 is responsible for side direction and is discharged broken ore.Be welded with at intermediate mass 51, below beam 52 and side plate 54 one on the width of base 50 continuous bottom plate 61, be welded with the bottom plate 78 of another brute force that has a longitudinal slot 79 here below this bottom plate, wherein weld seam is as the slot welding setting be formed in the longitudinal slot 79.Below this bottom plate, can also weld other flaggy (sandwich construction form) below.
The general introduction of Fig. 1 to 3 shows, described two side plates 54 extend between recessed hinge 9 and base rear end at least continuously, and the connection hinge 6 of the front of guide rod 20 and the back that is used for back-guiding rod 30 is connected between the hinge 8 profile extension with very big reduction before being used for.Connect between the hinge 6,8 described two, the last rib 56 of each side plate partly extends on a height respectively, the axis of oscillation 5 of guide rod 5 before this highly obviously is positioned at ' the below and in an illustrated embodiment even than the axis of oscillation 8 of back-guiding rod 30 ' more extend in the lowland.The last rib 56 of each side plate 54 is obviously lower and more be close to the downside of base 50 than common so far in the prior art situation, therefore can side direction discharge broken ore.By the last rib 56 that reduces can be unhinderedly at the upper side of each side plate 54 to the whole broken ore of discharge.Might then can when shield support 10 moves into, upwards be squeezed at broken ore or the rock piece that the centre is stayed on the upside of intermediate mass 51 of base 50, and therefore do not hindered the immigration of shield support 10 equally by the vertical broken ore passage 26 in the preceding guide rod 20.
Fig. 5 to 7 illustrates and is used for second embodiment according to base 150 of the present utility model.Identical member marks with the Reference numeral that increases by 100.Base 150 also has a recessed hinge 109 that is used for pillar, and in the back of this pillar, an intermediate mass 151 is welded on the bottom plate 160 of a continuous here brute force.Intermediate mass 151 is provided with the pin accommodation sections 161 that are used for a preceding guide rod rocking pin front, i.e. more close recessed hinge 109 settings and is provided with the pin accommodation section 162 that is used for the back-guiding rod rocking pin of a back, and turning up the soil at interval in the side of intermediate mass 151 and with this intermediate mass is provided with two side plates 154.Biside plate 154 be provided be used for corresponding to the outside, that is the safeguard construction of the rocking pin (not shown) that the side below base 150 170 can push in Fig. 5, wherein under the confined state of a shield support, be positioned at inner, pin safety member 163 on the side plate 154 adjacent with the step type beam and 164 is made of closure plate etc., the span width of these closure plate is less than the pin accommodation section 161 in intermediate mass 151,162 diameter, and on the side plate 154 that under confined state, is positioned at the outside, be welded with circular disk 165 or 166, an one safety element for example band steel can push and lock onto in these circular disks after the assembling rocking pin, shifts out from the hinge accommodation section at rigging position so that prevent rocking pin.Clearly as seen be respectively arranged with one every beam 152 between intermediate mass 151 and each side plate 154 as the vertical view from Fig. 5 again, should be provided with a rake (153) every upside of beam, this rake is generally towards every the end of beam 152 flute profile ground ending.Each every beam 152 also forms be arranged on before tilting bottom below the guide rod, be used for broken ore or rock that the side direction discharge may accumulate in the wedge-shaped part between hinge accommodation section and the guide rod that is connected.
Be different from previous embodiment, described here biside plate 154 undiminished profiles, but go up rib 156 on the whole length of base 150 significantly back-guiding rod axis of oscillation 108 ' above extend.Be provided with in the tilting bottom 153 every beam 152 in the zone of position at place, each dividing plate 154 is provided with window type space 175, and the following rib 176 in these spaces aligns with the inclined-plane of each tilting bottom 153, thereby can side direction discharge the rock piece by space 175.Therefore, the window type space 175 in each side plate 154 is used to support side direction to discharge broken ore as among the embodiment formerly.
Fig. 8 and 9 illustrates and is used for another embodiment according to guide rod 220 before of the present utility model.Should also have solid vertical stay 221 that two spaces are arranged, that cross section is rectangle by preceding guide rod 220, they end at a following fork-shaped hinge 223 and with pin or hinge accommodation section 223A respectively in parallel with each other has in the last fork-shaped hinge 224 of pin or hinge accommodation section 224A.Two vertical stays 221 downside 221 ' on as among the embodiment formerly, be provided at an outer portion with rake 227 as squeezing oblique portion.But, be different from previous embodiment, not to fix a unique middle lath in the intermediate space between two vertical stays 221, but batten member 222 and 282 in the middle of fixing two here, wherein the middle batten member 282 of front is arranged to the fork-shaped hinge 223 than the middle batten member 222 more close base sides of back.The front side 285 of the middle batten member 282 of the front of more close fork-shaped hinge 223 is provided with a space 287, and between front side 285 and fork-shaped hinge 223, constitute first a vertical broken ore passage 286, and the rear side of middle batten member 282 in front with away from the front side 225 of middle batten member 222 of back between the second vertical broken ore passage 226 of formation one.Batten member 222 and 282 here are made of solid slug or section bar in the middle of two, and by means of around weld seam 290 or 291 weld with each vertical stay 221.The middle batten member 222 that more is close to the back of caving shield is extended on the entire depth of vertical stay 221 basically, and particularly well as seen from Figure 8, the middle batten member 282 of front is only extended on half degree of depth of pact of vertical stay 221 basically.On downside 288, middle batten member 282 is provided with two lozenges 292,293, they or squeeze broken ore to a broken ore passage 286 or to another broken ore passage 226.Simultaneously, wedge shape downside 288 by middle batten member 282 and the vertical downside 221 of stay 221 ' spacing, the below of middle batten member 282 in front forms a free space, a spot of broken ore can accumulate in this free space, and does not hinder the immigration or the reduction of leading bar 220.By the additional Connection Element (middle batten member 282) between two vertical stays 221, the bending stiffness of preceding guide rod 220 enlarges markedly with respect to the embodiment that constitutes a continuous vertical broken ore passage.
For the technician, draw modification in many protection domains that should fall into claims by above description.Can realize the intermediate mass of base and every the structure of beam with solid component or hollow box section bar.The middle lath of guide rod or middle batten member also can constitute by solid stay, case, piece or by hollow box section bar.Contoured and structure for the tilting bottom draws many designabilities.Different according to every beam rigidity and base global stiffness, they can constitute by hollow box section bar or by solid profile, and therefore also obtain a kind of suitable multilayer structure mode.The tendency of the geometry in space or side plate profile also can change with various ways, and particularly relevant with the basic structure of base.The utility model is except that by means of also can be used on the rocking pin that pushes for other of guide rod fixedly in the possibility, and do not leave the protection domain of claims.

Claims (34)

1. be used for the shield support of down-hole mining, have two bases (50; 150) and four guide rods (20,30) in order to form a guide rod transmission mechanism (2), wherein two can swingingly be bearing in base (50 by the rocking pin (5) of a front respectively; 150) guide rod before the guide rod on (20) forms, and wherein two can swingingly be bearing in base (50 by the rocking pin (8) of a back respectively; 150) guide rod on (30) forms back-guiding rod, each guide rod (20 wherein, 30) have two vertical stays (21,31), described vertical stay exceeds one with their end and is rigidly connected the middle lath (22,32) of described vertical stay as fork-shaped hinge (23,33) and last fork-shaped hinge (24 down, 34) stretch out, and each base (50; 150) has an intermediate mass (51; 151) and at this intermediate mass (51; 151) side plate (54 of side; 154), this intermediate mass has the pin accommodation section (161) of a front that is used for rocking pin and the pin accommodation section (162) of a back, it is characterized in that, preceding at least guide rod (20; 220) middle lath (22; 282) with their front side (25; 285) with preceding guide rod (20; 220) following fork-shaped hinge (23; 223) partition distance is to constitute vertical broken ore passage (26; 286), and/or base (50; 150) be provided with the tilting bottom (53 that is used for side direction discharge broken ore; 153).
2. according to the described shield support of claim 1, it is characterized in that the middle lath (32) of back-guiding rod (30) is with their front side (35) and following fork-shaped hinge (33) partition distance of back-guiding rod (30), to constitute vertical broken ore passage (36).
3. according to claim 1 or 2 described shield supports, it is characterized in that, described vertical broken ore passage (26,36) the length between the axis of oscillation at them of guide rod (20,30) 25% to 50% on extend.
4. according to the described shield support of claim 1, it is characterized in that, middle lath has a plurality of middle batten member (282,222), the first vertical broken ore passage (286) of formation one between batten member (282) and the fork-shaped hinge (223) in the middle of one wherein, and constituting at least one other vertical broken ore passage (226) in the middle of each between the batten member (282,222).
5. according to the described shield support of claim 4, it is characterized in that, on its front side (285), be provided with a space (287) or concave part with the middle batten member (282) of the adjacent setting of following fork-shaped hinge (223).
6. according to claim 4 or 5 described shield supports, it is characterized in that, on its downside (288), constitute wedge shape with the middle batten member (282) of the adjacent setting of following fork-shaped hinge (223).
7. according to claim 4 or 5 described shield supports, it is characterized in that, only on half degree of depth of vertical stay (221), extend with the middle batten member (282) of the adjacent setting of following fork-shaped hinge (223).
8. according to claim 1 or 2 described shield supports, it is characterized in that vertical stay (21 of preceding guide rod; 221) on their stay downside (21 '), be provided with the oblique portion (27 that squeezes; 227).
9. according to the described shield support of claim 8, it is characterized in that, describedly squeeze oblique portion (27; 227) rake by the corresponding outer rib of vertical stay (21) constitutes.
10. according to the described shield support of claim 1, it is characterized in that the front side (35) of middle lath (32) is tiltedly extended in the downside updip.
11., it is characterized in that the rake (27) on the downside of vertical stay (21) is with 45 ° of extensions according to claim 9 or 10 described shield supports.
12., it is characterized in that described tilting bottom (53 according to claim 1 or 2 described shield supports; 153) respectively at intermediate mass (51; 151) with side plate (54; 154) extend between, and from intermediate mass (51; 151) towards side plate (54; 154) descend.
13., it is characterized in that side plate (154) is provided with recess or space (175) according to claim 1 or 2 described shield supports, wherein tilting bottom (153) feed in the lower limb (176) of recesses (175) or feed this lower limb top.
14. according to claim 1 or 2 described shield supports, it is characterized in that, side plate (54) in front rocking pin hinge (5) and the rocking pin hinge (8) of back between have profile reduction, that have top side plate edge (56), tilting bottom (53) descend towards this side plate edge.
15., it is characterized in that the side plate edge (56) above described is partly with the height identical with the rocking pin of back or the axis of oscillation of back-guiding rod (8 ') or be lower than this axis of oscillation ground extension according to the described shield support of claim 14.
16., it is characterized in that base (50 according to claim 1 or 2 described shield supports; 150) at intermediate mass (51; 151) with each side plate (54; 154) have between every beam (52; 152), each described top side (53 every beam; 153) be tilt and form the tilting bottom.
17. according to claim 1 or 2 described shield supports, it is characterized in that, in side plate (154), be configured for the receiving element (165,166) of pin safety member.
18. be used for guide rod, have two vertical stays (21,31 according to the described shield support of claim 1; 221), described vertical stay exceeds a middle lath (22,32) that is rigidly connected described vertical stay with their end and stretches out as fork-shaped hinge (23,33) and last fork-shaped hinge (24,34) down, can swingingly support guide rod (20,30; 220), it is characterized in that middle lath (22,32; 282,222) with its front side (25,35; 285,225) with following fork-shaped hinge (23,33; 223) partition distance is to produce a vertical broken ore passage (26,36; 286,226).
19. according to the described guide rod of claim 18, it is characterized in that, described vertical broken ore passage (26,36) the length between the axis of oscillation at them of guide rod (20,30) 25% to 50% on extend.
20. according to the described guide rod of claim 18, it is characterized in that, middle lath has a plurality of middle batten member (282,222), the first vertical broken ore passage (286) of formation one between batten member (282) and the fork-shaped hinge (223) in the middle of one wherein, and constituting at least one other vertical broken ore passage (226) in the middle of each between the batten member (282,222).
21. according to the described guide rod of claim 20, it is characterized in that, on its front side (285), be provided with a space (287) or concave part with the middle batten member (282) of the adjacent setting of following fork-shaped hinge (223).
22. according to claim 20 or 21 described guide rods, it is characterized in that, on its downside (288), constitute wedge shape with the middle batten member (282) of the adjacent setting of following fork-shaped hinge (223).
23. according to claim 20 or 21 described guide rods, it is characterized in that, only on half degree of depth of vertical stay (221), extend with the middle batten member (282) of the adjacent setting of following fork-shaped hinge (223).
24., it is characterized in that vertical stay (21 of preceding guide rod according to one of claim 18 to 20 described guide rod; 221) on their stay downside (21 '), be provided with the oblique portion (27 that squeezes; 227).
25. according to the described guide rod of claim 24, it is characterized in that, describedly squeeze oblique portion (27; 227) rake by the corresponding outer rib of vertical stay (21) constitutes.
26., it is characterized in that the front side (35) of middle lath (32) is tiltedly extended in the downside updip according to the described guide rod of claim 18.
27., it is characterized in that the rake (27) on the downside of vertical stay (21) is with 45 ° of extensions according to claim 25 or 26 described guide rods.
28. be used for base, have an intermediate mass (51 according to the described shield support of claim 1; 151), on this intermediate mass, constitute the pin accommodation section (162) that a pin accommodation section (161) and that is used to support the front of guide rod before is used to support the back of a back-guiding rod, and be provided with side plate (54 in the both sides of this intermediate mass; 154), it is characterized in that, at described side plate (54; 154) at least one in and intermediate mass (51; 151) be provided with one between and be used for the tilting bottom (53 that side direction is discharged broken ore; 153).
29., it is characterized in that described tilting bottom (53 according to the described base of claim 28; 153) respectively at intermediate mass (51; 151) with side plate (54; 154) extend between, and from intermediate mass (51; 151) towards side plate (54; 154) descend.
30., it is characterized in that side plate (154) is provided with recess or space (175) according to claim 28 or 29 described bases, wherein tilting bottom (153) feed in the lower limb (176) of recesses (175) or feed this lower limb top.
31. according to claim 28 or 29 described bases, it is characterized in that, side plate (54) in front rocking pin hinge (5) and the rocking pin hinge (8) of back between have profile reduction, that have top side plate edge (56), tilting bottom (53) descend towards this side plate edge.
32., it is characterized in that the side plate edge (56) above described is partly with the height identical with the rocking pin of back or the axis of oscillation of back-guiding rod (8 ') or be lower than this axis of oscillation ground extension according to the described base of claim 31.
33., it is characterized in that base (50 according to claim 28 or 29 described bases; 150) at intermediate mass (51; 151) with each side plate (54; 154) have between every beam (52; 152), each described top side (53 every beam; 153) be tilt and form the tilting bottom.
34. according to claim 28 or 29 described bases, it is characterized in that, in side plate (154), be configured for the receiving element (165,166) of pin safety member.
CN2008900000175U 2007-01-19 2008-01-03 Shield support used in mining and guide rods and bases thereof Expired - Fee Related CN201412176Y (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202007001142.3 2007-01-19
DE200720001142 DE202007001142U1 (en) 2007-01-19 2007-01-19 Shield frame for mining as well as handlebars and lying skids for this purpose

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CZ (1) CZ21039U1 (en)
DE (1) DE202007001142U1 (en)
MX (1) MX2009007674A (en)
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RU (1) RU94629U1 (en)
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CN102926789A (en) * 2012-11-16 2013-02-13 无锡阳工机械制造有限公司 Confirming method of center distance and width of hydraulic bracket
CN108166984B (en) * 2018-02-23 2024-05-10 济南重工集团有限公司 Wheel set anti-drop device

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Publication number Priority date Publication date Assignee Title
DE7616114U1 (en) * 1976-05-20 1976-10-14 Bochumer Eisenhuette Heintzmann Gmbh & Co, 4630 Bochum SHIELD STRUCTURE
DE2622468C3 (en) * 1976-05-20 1978-11-02 Bochumer Eisenhuette Heintzmann Gmbh & Co, 4630 Bochum Shield support frame
DE2839004B1 (en) * 1978-09-07 1979-12-06 Hemscheidt Maschf Hermann Lying skid for a shield support frame
DE8210762U1 (en) * 1982-04-16 1982-07-01 Klöckner-Becorit GmbH, 4620 Castrop-Rauxel SHIELD EXTENSION
DE202004007635U1 (en) * 2004-05-10 2004-07-08 Dbt Gmbh Hydraulic roof prop for use in underground mining has sensor system to protect prop against damage by wedged rock fall
DE202005007725U1 (en) * 2005-05-11 2005-07-14 Dbt Gmbh Protective shield for underground mining has a compact design with covers over the support levers to prevent jamming by small stones and debris

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RU94629U1 (en) 2010-05-27
PL118444U1 (en) 2010-03-29
PL67309Y1 (en) 2014-08-29
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CZ21039U1 (en) 2010-06-28
DE202007001142U1 (en) 2008-02-28
WO2008086947A1 (en) 2008-07-24

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