CN201277050Y - Supporting post top support and shield support - Google Patents
Supporting post top support and shield support Download PDFInfo
- Publication number
- CN201277050Y CN201277050Y CNU2008201049744U CN200820104974U CN201277050Y CN 201277050 Y CN201277050 Y CN 201277050Y CN U2008201049744 U CNU2008201049744 U CN U2008201049744U CN 200820104974 U CN200820104974 U CN 200820104974U CN 201277050 Y CN201277050 Y CN 201277050Y
- Authority
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- China
- Prior art keywords
- bearing
- zhuding
- zhi zhuding
- back timber
- zhi
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000005065 mining Methods 0.000 claims abstract description 10
- 239000000758 substrate Substances 0.000 claims description 23
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 230000008676 import Effects 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000003466 welding Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
- E21D23/049—Connecting devices between the head or foot of a prop and the cap or base of the roof support
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Clamps And Clips (AREA)
- Pivots And Pivotal Connections (AREA)
- Lining And Supports For Tunnels (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The utility model relates to a prop-top stand for bearing a prop on a top beam of a shield support for mining engineering, which is equipped with a movable joint pit (21) fixedly connected to a base (23) capable of being fixed on the bottom surface of the top beam, wherein the base (23) is fixed or can be fixed on the top beam by aids of detachable fixing devices (30, 35, 40), and padding plates (28, 29) fixedly connected with the base (23) are provided to transmit pressure generated when the shielding support is erected to the top beam. The utility model further relates to a shield support with the prop-top stand.
Description
Technical field
The utility model relates to a kind of Zhi Zhuding bearing, is used for the supporting on the back timber of shield support that pillar withstands on mining engineering, and this Zhi Zhuding bearing has the movable joint nest, and this movable joint nest is connected in the substrate that can fix on the bottom surface of back timber.The utility model also relates to a kind of shield support that is used for the down-hole mining engineering, comprise back timber, base and the telescopic pillar that at least one is provided with between base and joist, this pillar at one end has the Zhi Zhuding of a hemispherical, and its rotatably support is in the movable joint nest of Zhi Zhuding bearing fixing on back timber.
Background technology
Similar Zhi Zhuding bearing and similar shield support are known by the applicant's DE 20 2,004,012 138 U1.Known Zhi Zhuding bearing constitutes foundry goods and is welded in the bottom surface of the joist of shield support.The side of movable joint nest own hides ground and reinforces between the lath at each, and the latter vertically extends along the bottom surface of back timber.The pillar of one ball-joint shape withstands on fixing in the movable joint nest and realizes by means of safetybolt, and they are fixed on by means of the insurance bow on each bearing side etc. of fork-shaped.
May be during production in the exploitation work plane that shield support is being mined is used because the acting in conjunction of the high power of setting up and coal dust, water spray, avalanche rock and other influences causes the damage of Zhi Zhuding bearing.
The utility model content
The purpose of this utility model is, provide a kind of Zhi Zhuding bearing of shield support and shield support that comprises this Zhi Zhuding bearing of being used for, even its less dead time that after the Zhi Zhuding bearing that welds on the back timber damages, also can continue use at short remodeling after the time and when the Zhi Zhuding of shield support bearing damages, can realize exploiting work plane thus.
Above-mentioned purpose reaches for a kind of Zhi Zhuding bearing like this according to the utility model, it is used for Zhi Zhuding is bearing in the back timber of the shield support that is used for mining engineering, this Zhi Zhuding bearing has the movable joint nest, this movable joint nest is fixedly connected on the substrate that an energy is fixed on the bottom surface of back timber, substrate maybe can be fixed on the back timber by means of removable fastening devices is fixing, and substrate is provided with the backing plate of fixedlying connected with it, so that the pressure will set up shield support by means of backing plate the time passes reliably to back timber.Zhi Zhuding bearing of the present utility model can replace one at any time by means of removable fastening devices fixing on back timber may impaired Zhi Zhuding bearing.Its advantage is in addition, and Zhi Zhuding bearing of the present utility model also can installed afterwards or be added on such shield support, the latter be provided with one the welding but damaged Zhi Zhuding bearing.Therefore one Zhi Zhuding bearing of the present utility model also can constitute a standby mode Zhi Zhuding bearing and be used for the existing pass nest etc. of living, as long as removable fastening devices is fixed in the zone of backplate, they are come-at-able near the movable joint nest of the damage that still may install.Reach by means of the backing plate that exists in substrate, applied pressure can import in the back timber reliably when setting up shield support, and by means of this higher power of setting up fastening devices is not exerted pressure.Therefore solution of the present utility model is also set, and each fastening devices sheds via each backing plate or exempts the power of setting up.
In the preferred form of implementation of Zhi Zhuding bearing, substrate has at least two sides in the side of movable joint nest, and is at its lateral surface, promptly on the side away from the movable joint nest, fixing or constitute each backing plate.This measure can make the substrate of Zhi Zhuding bearing for example vertically being arranged on the bottom surface of back timber in the zone of lath or reinforcing lath, reinforces in laths so that then pressure is preferably imported into these.Each backing plate can be welded on the lateral surface of each side especially.Zhi Zhuding bearing or standby mode Zhi Zhuding bearing whole in this form of implementation can constitute weldment.In order to reach a uniform power transmission, particularly advantageously be, fixing or constitute two backing plates on each side, therefore realize power transmission to the two sides of movable joint nest via each two backing plate.Each backing plate can be made of plate especially, and the end face of its movable joint groove in the movable joint nest constitutes the pressure face on plane, because the power when only being delivered in backplate and setting up via these end faces, other end face can constitute basically arbitrarily.
Zhi Zhuding bearing removable fixing on back timber can be especially by means of only three or realize by means of four removable fastening devicess only.There is not the load of removable fastening devices to import in the back timber simultaneously in the process of the pressure when being delivered in shield support via backing plate and setting up, as long as can realize the installation and removal of the no problem of Zhi Zhuding bearing on joist, the power that between back timber and Zhi Zhuding, acts on when then advantageously, being delivered in the support recovery or regaining shield support via removable fastening devices.The power that the removable fastening devices of utilizing the circumferential distribution of a plurality of substrates along the Zhi Zhuding bearing to be provided with produces when supporting bracket reclaims reliably, and crooked between back timber and the Zhi Zhuding bearing can not take place.Removable fastening devices can be made of plug with threaded rod and the hold-down nut that can tighten thereon especially.Utilize the respective threads part can reach reliable and simultaneously removable fix of Zhi Zhuding bearing on back timber.Fastening devices can not constitute screw element respectively yet in case of necessity, and constitutes the plug with safety element or constitute fixing protuberance (shape lock uint).
Implement at the Zhi Zhuding bearing particularly advantageously in the form of implementation of welding be, each side is connected by means of at least one transverse slats, its be provided with at least one, preferred two fixing holes that are used for fixing device, then at least one side, constitute simultaneously other fixing hole.When constituting two fixing holes on the transverse sides and on each side, constitute each fixing hole, reaching stable especially form of implementation.In order to reach the secure fixation on back timber, can be advantageously, side is constituted different long and in than the lateral section of long side, constitute a fixing hole then, this lateral section stretches out in another side.The selection of each side by different length can adopt each space that constitutes on the bottom surface of different positions at back timber in order to anchoring base.
Meet the destination and between each side and movable joint nest, constitute each jaw, therein fixedly safetybolt in order to fix a Zhi Zhuding who embeds in the movable joint nest.If the Zhi Zhuding bearing constitutes standby mode Zhi Zhuding bearing, then particularly advantageous is that each safetybolt and safeties are entirely identical to safetybolt and the safeties on those movable joint nests that also Zhi Zhuding can be fixed on welding.For the stable form of implementation of Zhi Zhuding bearing also advantageously, the movable joint nest is bearing on each transverse slats by means of lath in the middle of.This centre lath is parallel to each side and preferred center extension between them.Preferred substrate can have a bottom surface of opening wide at least in part in addition, can locate special Zhi Zhuding bearing as standby mode Zhi Zhuding bearing near the installation site of original movable joint nest as far as possible whereby.
The purpose of this utility model also has and can reach especially like this in the shield support of vitiable movable joint nest one, a kind of shield support that is used for the down-hole mining engineering is promptly proposed, comprise back timber, base and the retractable pillar that at least one is provided with between base and back timber, this pillar at one end has hemispheric Zhi Zhuding, and this Zhi Zhuding can be bearing in the movable joint nest that is fixed on the Zhi Zhuding bearing on the back timber rotationally; Zhi Zhuding bearing formation one has the substrate of a plurality of backing plates by means of removable fastening devices removable fixing refill-unit and on back timber, utilize each backing plate substrate to be adjacent to the bottom surface of back timber, so that shed the pressure that those act on when shield support sets up between Zhi Zhuding and back timber via its backing plate.Also here can reach once more by means of backing plate, fastening devices sheds the power that produces when shield support sets up.Back timber can be provided with the reinforcing lath especially, and they have the space, embeds removable fastening devices in the space.
Description of drawings
Other advantages and the form of implementation that draw Zhi Zhuding bearing of the present utility model and comprise the shield support of the present utility model of this Zhi Zhuding bearing by the description of the following preferred embodiment that schematically illustrates in the accompanying drawings.Wherein:
Fig. 1 comprises the diagrammatic side view of the shield support of Zhi Zhuding bearing of the present utility model;
The reduced graph of the signal of the installation site of Fig. 2 Zhi Zhuding bearing of the present utility model on the bottom surface of the joist shown in the part;
The view of the end face of Fig. 3 Zhi Zhuding bearing of the present utility model;
Fig. 4 is along the sectional view of IV-IV intercepting among Fig. 3; And
Fig. 5 is along the sectional view of V-V intercepting among Fig. 3.
The specific embodiment
Show that with mark 1 shield support is used for the down-hole mining engineering, is used in particular for the coal wall back production when mining of down-hole among Fig. 1.Shield support 1 have two arranged side by side and can press to the joist 4 (comprising a deflectable semi girder 5), one and the pillar 9 of the hinged caving shield 6 (it is articulated in base 3 by means of a corresponding lemniscate quadric chain that is made of two pairs of connecting rods 7,8) of joist 4 and two hydraulic pressure (being used for joist 4 is exerted pressure or is used for shield support 1 is recovered to the withdrawal height of a minimum to top board) of unshowned top board at the base 3, of base plate 2 upper supports.Be called shield support " setting up " in the mining engineering to pressing on of top board, the withdrawal of shield support is called " support recovery ".Can by means of one only the bight oil cylinder 11 of hint stablize hinge between caving shield 6 and the joist 4.
On shield support 1 shown in the pillar 9 that stretches out each extension type that near normal in the height erects be supported on respectively with the one end in the movable joint groove 12 that one in the base 3 be open upwards.On the other end of each pillar 9, its extensible piston piece 13 is provided with the Zhi Zhuding 14 of a hemispherical, and it embeds in the overall Zhi Zhuding bearing with 20 marks articulatedly, and the latter is fixed on the bottom surface of joist 4 each pillar 9.In the Zhi Zhuding bearing 20 shown in each embodiment, preferably relate to a standby mode Zhi Zhuding bearing, its as an alternative part or acknowledgment copy be fixed on the joist 4 afterwards since a unshowned Zhi Zhuding bearing in original welding on the bottom surface of joist 4 damaged or no longer guarantee Zhi Zhuding movable joint bearing and set up or the power transmission of support when reclaiming at shield support.
The bottom surface that Fig. 2 schematically illustrates joist 4 is included in the partial view of simplifying greatly of the removable fixing Zhi Zhuding bearing 20 of the present utility model in there.Therefore the Zhi Zhuding of not shown pillar among Fig. 2 is provided with in Zhi Zhuding bearing 20 at the center and the movable joint nest 21 of locating comprises that a recess 22 that is used for the flute profile of Zhi Zhuding is very conspicuous.Whole Zhi Zhuding bearing 20 here is made of a weldment and mills into hemispherical groove 22 in the movable joint nest 21 that constitutes by means of a rectangular block.Movable joint nest 21 is in the center is arranged on the substrate 23 that orthogonal sidewall constitutes by means of four of a rectangle.Substrate 23 comprises the long side 24 of an outside, short side 25, the transverse slats 26 of a back and the transverse slats 27 of a front of an inside, and they are welded to each other together respectively, so that constitute the substrate 23 of a rigidity.The lateral surface 24 of the dual-side 24,25 of substrate 23 ' or 25 ' spacing be sized to make Zhi Zhuding bearing 20 can locate and the reinforcing lath 16 of folding reinforcing lath 15 that is fixed on an outside and an inside between, they are welded on respectively on the bottom surface of joist 4 and are used for its reinforcing.In the installation site, 24,25 of dual-sides are directly adjacent to corresponding reinforcing lath 15 or 16 and the cover plate that always reaches near joist 4 of side 24,25.The transverse slats 26 of back is directly adjacent to a transverse slats 17 simultaneously in an illustrated embodiment, and it is reinforced lath 15,16 with two and is welded on the bottom surface of joist 4.
Removable fix of Zhi Zhuding bearing 20 on joist 4, here realize by means of four fastening devicess 30,35 and 40 altogether, wherein each fastening devices 30,35,40 has a plug 31,36,41, its bar is provided with an external screw thread, each fastening devices 30,35 or 40 is in a position, is provided with a space 15A, 16A or 17A originally at this position reinforcing lath 15,16 or transverse slats 17.For corresponding space 15A, 16A or 17A being used for fixing standby mode Zhi Zhuding bearing (standby mode pillar ball footstock), constitute a relative side 25 of aiming at the substrate 23 of the fixing hole 24A of space 15A and Zhi Zhuding bearing 20 and also have a fixing hole 25A in the prolongation 24B of the front of long side 24, it aims at space 16A.For two other fastening devicess 35, the transverse slats 26 of the back of substrate 23 is provided with two fixing hole 26A.In case Zhi Zhuding bearing 20 is positioned its installation site and corresponding space or fixing hole to be aimed at mutually, just can inject the plug 31,36,41 of fastening devices 30,35,40 and by means of nut 32,37,42 lockings, in case the getting loose of Zhi Zhuding bearing 20 by each hole.
In used the down-hole of a shield support 1, each joist 4 must bear the higher power of setting up, and its pillar 9 by hydraulic pressure passes on joist or the back timber 4.In order to make removable fastening devices 30,35,40 not be subjected to the high power of setting up, two lateral surfaces 24 of side 24,25 ', 25 ' on welding four backing plates 28 and 29 altogether, thereby they will be all be applied to pressure on the Zhi Zhuding bearing 20 by pillar and import into and reinforce lath 15 or 16 and also import in the joist 4.When the support of shield support 1 reclaimed, backing plate 28,29 did not stress, because they only are adjacent to the bottom surface that reinforces lath 15,16 with the end face on plane loosely.Power when shedding the support recovery via removable fastening devices 30,35,40.
Fig. 3 to 5 illustrates the details of Zhi Zhuding bearing 20 of the present utility model.The movable joint nest 21 of centralized positioning is bearing on two transverse slats 26,27 by means of a middle lath 45, and middle lath has each holder that is used for load suspension ring 50 45 at its end face.Middle lath 45 is welded on respectively between the transverse side and adjacent transverse slats 26 or 27 of movable joint nest 21.Middle lath 45 is basically along the full deep drawing of transverse slats 26,27 and be parallel to dual-side 24,25 and extend.Movable joint nest 21 can have the polycrystalline substance 39 that is made of each fixture block or plate of a multi-piece type in this case, thereon lath 45 in the middle of the welding of side.Constitute to the both sides of the groove 22 of movable joint nest 21 and to comprise the jaw 46 of a plurality of jacks 47, so that can fix unshowned safety element, as safetybolt particularly, in order to the Zhi Zhuding in the embedded groove 22 is fixed on the Zhi Zhuding bearing 20.In order to make removable fastening devices 30,35,40 do not set up power, each fixing hole 24A, 25A and 26A can constitute slotted hole respectively, illustrate for fixing hole 24A and 26A as Figure 4 and 5 particularly.28,29 on backing plate partly extends and the end face 28 on the plane of backing plate 28 ' roughly is positioned at the identical height in bottom surface as the groove 22 of movable joint nest 21 along the degree of depth of side 26,27.
Draw many modification by following description for the technician, they should be included in the protection domain of claims.Backing plate 28,29 can be by the rectangular slab of identical or different size or also can be made of parallelogram plate, wherein for shed when a shield support sets up pressure advantageously, the end face towards reinforcing lath of each backing plate is the plane at least.Each backing plate also can be cast or be threaded on the side.Fig. 1 illustrates a capital bearing fixing with four removable fastening devicess, and wherein two fastening devicess are positioned on the transverse slats of back.According to the installing space that on the bottom surface of joist, provides in case of necessity one or two so removable fastening devices also can constitute by protuberance etc., in the corresponding space in its embedding transverse slats, or can only realize the fixing of Zhi Zhuding bearings altogether with three removable fastening devicess.If provide a space on the reinforcing lath in position outside, then also can cancel the side of prolongation in case of necessity, the Zhi Zhuding bearing can keep a symmetrical structure on the whole thus, so that can be with standby mode pillar ball footstock on the left side but also locate and be fixed on the bottom surface of joist on the right not only.
Claims (16)
1. prop up the capital bearing, be used for Zhi Zhuding is bearing in the back timber of the shield support that is used for mining engineering, this Zhi Zhuding bearing has movable joint nest (21), and this movable joint nest is fixedly connected on the substrate (23) that an energy is fixed on the bottom surface of back timber; It is characterized in that substrate (23) maybe can be fixed on the back timber by means of removable fastening devices (30,35,40) is fixing, and is provided with the backing plate (28,29) of fixedlying connected with substrate (23), is used for importing the pressure when shield support sets up into back timber.
2. according to the described Zhi Zhuding bearing of claim 1, it is characterized in that, substrate (23) has at least two sides (24,25) in the side of movable joint nest (21), go up fixing or constitute backing plate (28,29) at the lateral surface away from movable joint nest (21) of these two sides (24 ', 25 ').
3. according to the described Zhi Zhuding bearing of claim 2, it is characterized in that backing plate (28,29) is welded on the lateral surface (24 ', 25 ') of side (24,25).
4. according to claim 2 or 3 described Zhi Zhuding bearings, it is characterized in that, go up fixing or constitute two backing plates (28,29) at each side (24,25).
5. according to one of claim 1 to 3 described Zhi Zhuding bearing, it is characterized in that backing plate (28,29) is made of such plate, the end face towards the movable joint groove (22) in movable joint nest (21) of described such plate constitutes the pressure face on plane.
6. according to one of claim 1 to 3 described Zhi Zhuding bearing, it is characterized in that substrate (23) maybe can be fixed on the back timber by means of three removable fastening devicess or by means of four removable fastening devicess (30,35,40) are fixing.
7. according to one of claim 1 to 3 described Zhi Zhuding bearing, it is characterized in that removable fastening devices (30,35,40) is by the plug with threaded rod (31,36,41) and can be tightened in hold-down nut (32,37,42) formation on the plug.
8. according to claim 2 or 3 described Zhi Zhuding bearings, it is characterized in that, side (24,25) is connected by at least one transverse slats (26), described transverse slats is provided with at least one fixing hole that is used for fixing device (26A), goes up at least one side (24,25) simultaneously to constitute other fixing hole (24A, 25A).
9. according to the described Zhi Zhuding bearing of claim 8, it is characterized in that movable joint nest (21) is bearing on the transverse slats (26,27) by means of middle lath (45), middle lath (45) is parallel to side (24,25) and extends.
10. according to claim 2 or 3 described Zhi Zhuding bearings, it is characterized in that, side (24,25) is that difference is grown and constitutes fixing hole (24A) that in than the lateral section (24B) of long side (24) this lateral section (24B) stretches out in outside another side (25).
11., it is characterized in that according to one of claim 1 to 3 described Zhi Zhuding bearing, between side (24,25) and movable joint nest (21), constitute jaw (46), fixing safetybolt on jaw is in order to fixedly embedded Zhi Zhuding in the piston nest.
12., it is characterized in that substrate (23) has the bottom surface of opening wide at least in part according to one of claim 1 to 3 described Zhi Zhuding bearing.
13., it is characterized in that described transverse slats is provided with two fixing holes (26A) that are used for fixing device according to the described Zhi Zhuding bearing of claim 8.
14., it is characterized in that the center of middle lath (45) between described side extended according to the described Zhi Zhuding bearing of claim 9.
15. be used for the shield support of down-hole mining engineering, comprise back timber (4), base (3) and the retractable pillar (9) that at least one is provided with between base (3) and back timber (4), this pillar at one end has hemispheric Zhi Zhuding (14), and this Zhi Zhuding can be bearing in the movable joint nest (21) that is fixed on the Zhi Zhuding bearing (20) on the back timber (4) rotationally; It is characterized in that, Zhi Zhuding bearing (20) constitutes a refill-unit and is provided with backing plate (28,29), described refill-unit is fixed on the back timber (4) by means of removable fastening devices (30,35,40) is removable, utilize backing plate, Zhi Zhuding bearing (20) is adjacent to the bottom surface of back timber (4) so that import pressure into back timber (4) when setting up shield support.
16., it is characterized in that back timber (4) is provided with reinforces lath (15,16,17) according to the described shield support of claim 15, described reinforcing lath has space (15A, 16A, 17A), embeds fastening devices (30,35,40) in the space.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE202007006668.6 | 2007-05-07 | ||
| DE200720006668 DE202007006668U1 (en) | 2007-05-07 | 2007-05-07 | Punch head receiver with shielding mounting for mining has base attached to cap by releasable fixing devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201277050Y true CN201277050Y (en) | 2009-07-22 |
Family
ID=38266616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201049744U Expired - Fee Related CN201277050Y (en) | 2007-05-07 | 2008-05-06 | Supporting post top support and shield support |
Country Status (5)
| Country | Link |
|---|---|
| CN (1) | CN201277050Y (en) |
| CZ (1) | CZ18736U1 (en) |
| DE (1) | DE202007006668U1 (en) |
| PL (1) | PL64679Y1 (en) |
| RU (1) | RU77907U1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533494A (en) * | 2014-12-22 | 2015-04-22 | 中煤北京煤矿机械有限责任公司 | Rear connecting rod lateral protective plate structure of hydraulic supporting frame |
| CN109625844A (en) * | 2018-11-28 | 2019-04-16 | 中国神华能源股份有限公司 | Control System of Belt Conveyer and control method |
-
2007
- 2007-05-07 DE DE200720006668 patent/DE202007006668U1/en not_active Expired - Lifetime
-
2008
- 2008-04-28 CZ CZ200819901U patent/CZ18736U1/en not_active IP Right Cessation
- 2008-05-06 CN CNU2008201049744U patent/CN201277050Y/en not_active Expired - Fee Related
- 2008-05-06 RU RU2008118197/22U patent/RU77907U1/en not_active IP Right Cessation
- 2008-11-10 PL PL117449U patent/PL64679Y1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CZ18736U1 (en) | 2008-07-10 |
| PL64679Y1 (en) | 2009-11-30 |
| DE202007006668U1 (en) | 2007-07-12 |
| RU77907U1 (en) | 2008-11-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: BUCYRUS EUROP GMBH Free format text: FORMER NAME: CORPORACION NAC DEL COBRE DE C. Owner name: CATERPILLAR GLOBAL MINING EUROPE GMBH Free format text: FORMER NAME: BUCYRUS EUROP GMBH |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Germany Patentee after: BUCYRUS EUROPE GmbH Address before: Germany Patentee before: Bucyrus Europe GmbH Address after: Germany Patentee after: Bucyrus Europe GmbH Address before: Germany Patentee before: BUCYRUS DBT EUROPE GmbH |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090722 Termination date: 20140506 |