CN208364171U - It is a kind of for fixing the foundation-free installation system of belt conveyor - Google Patents
It is a kind of for fixing the foundation-free installation system of belt conveyor Download PDFInfo
- Publication number
- CN208364171U CN208364171U CN201820834526.3U CN201820834526U CN208364171U CN 208364171 U CN208364171 U CN 208364171U CN 201820834526 U CN201820834526 U CN 201820834526U CN 208364171 U CN208364171 U CN 208364171U
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- pressure unit
- belt conveyor
- hydraulic pressure
- main
- 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.)
- Active
Links
Abstract
The utility model relates to a kind of for fixing the foundation-free installation system of belt conveyor, including several main hydraulic props, main hydraulic prop is respectively arranged at the pedestal of belt conveyor, main hydraulic prop is for extending at the top of tunnel, and the pedestal of belt conveyor is pressed on the ground in tunnel at the top of tunnel by compressing, realize the fixation to belt conveyor；Several main hydraulic props are divided into several hydraulic pressure units, and each hydraulic pressure unit includes two main hydraulic props, and two main hydraulic props in same hydraulic pressure unit are respectively arranged at the both sides of the pedestal of belt conveyor, and are parallel to each other；Two main hydraulic props in same hydraulic pressure unit can synchronize lifting/lowering；The utility model is using the pre-embedded anchoring bolts and Interal fixation equipment in hydraulic device substitution conventional belt conveyer installation process, the process for saving design mounting foundation drawing, pre-embedded anchoring bolts and steel plate, so that the installment work of entire belt conveyor is simpler, period is shorter, and cost is lower.
Description
Technical field
The utility model relates to mineral engineering fields, and in particular to a kind of for fixing the foundation-free of belt conveyor
Installation system.
Background technique
With the continuous development of science and technology, more and more mechanized equipments are introduced into coal mining, domestic big portion
The epoch that point coal mining enterprise has finished on man-made recovery, transports raw coal, it is former using mechanical equipment exploitation, transport to start large area
Coal, so that raw coal all realizes mechanization from working face mining to ground entrucking, the labour that this not only alleviates coal miner is strong
Degree, while labor efficiency is improved, increase yield.
A kind of important transportation equipment of the belt conveyor as coal mine, it is main to connect working face and ground, by working face
Raw coal is endlessly transported to ground, is mainly filled by driving motor, roller, carrying roller, adhesive tape and pedestal and other auxiliary
Set hydraulic pressure unit at.
Since during the work time, belt conveyor is needed the raw coal transportation at lower position to higher position
Place, such as auxiliary stone transporting door, ground, during transportation, belt conveyor is other than bearing self gravity, it is also necessary to bear institute
Gravity and the tensile force of belt etc. of raw coal are transported, therefore before using belt conveyor, it needs that belt conveyor is installed
And fixation, to prevent from changing using the position of belt conveyor in transportational process.
Currently, the belt conveyor that domestic overwhelming majority coal mine uses all uses the mounting means of pre-buried ground, installation
Process is main are as follows: and first, need to design mounting foundation drawing, second, after the completion of tunnelling, cement is carried out to tunnel bottom
It pours, in casting cement, according to designed mounting foundation drawing pre-embedded anchoring bolts and steel plate, third, by belt conveying
Mounting hole on machine base is corresponding with foundation bolt and steel plate respectively (coinciding), and is attached by nut or welding,
To finally realize the installation and fixation of belt conveyor；This mounting means falls behind very much, and not only installation process is complicated, the period
It is long, inefficiency, and also installation cost is higher, causes a large amount of wastes of man power and material.
Utility model content
The purpose of this utility model is that improving the deficiency in the presence of the prior art, provide a kind of for belt conveyor
Foundation-free installation system, the drawbacks of can be effectively avoided in the prior art, at the same may be implemented it is quick to belt conveyor,
Securely, inexpensive installation and fixation.
The technical scheme adopted by the utility model is
It is a kind of for fixing the foundation-free installation system of belt conveyor, including several main hydraulic props, the master are hydraulic
Pillar is respectively arranged at the pedestal of belt conveyor, and main hydraulic prop is pushed up for extending at the top of tunnel, and by compressing tunnel
The pedestal of belt conveyor is pressed on the ground in tunnel by portion, realizes the fixation to belt conveyor.
Main hydraulic prop extends at the top of tunnel under elongation state, by compressing at the top of tunnel, so that belt is defeated
It send the pedestal of machine to be pressed on the ground in tunnel, to increase the frictional force between the pedestal of belt conveyor and ground, and makes
It is greater than the maximum, force (load) born when equipment is run, so that it is guaranteed that the position of belt conveyor does not occur in operational process
It changes, and then realizes the installation and fixation of belt conveyor, operated normally convenient for belt conveyor.
In one kind preferably scheme, several main hydraulic props are divided into several hydraulic pressure units, and each hydraulic pressure unit includes
Two main hydraulic props, two main hydraulic props in same hydraulic pressure unit are respectively arranged at the two of the pedestal of belt conveyor
Side, and be parallel to each other.
Preferably, when the number of hydraulic pressure unit is greater than or equal to 2, at least there are two the main hydraulic props in hydraulic pressure unit
Length direction along belt conveyor is obliquely installed, and the inclined direction of at least one hydraulic pressure unit and remaining hydraulic pressure unit are not
Together.
Preferably in scheme, the hydraulic pressure unit being obliquely installed including two along the length direction of belt conveyor, wherein one
The tilt angle of a hydraulic pressure unit is 75 degree, and the tilt angle of another hydraulic pressure unit is 105 degree.That is the inclination of two hydraulic pressure units
Angled complimentary.
Further, each hydraulic pressure unit further includes two secondary hydraulic props, the pair hydraulic prop respectively with liquid
Press two main hydraulic props in unit corresponding, secondary hydraulic prop is used to adjust the direction of corresponding main hydraulic prop (i.e. along band
The angle of the length direction of formula conveyer).Corresponding main hydraulic prop is adjusted to close using what secondary hydraulic prop can be convenient
Main hydraulic prop is such as adjusted to vertical direction by suitable or setting angle, or main hydraulic prop is adjusted to and belt conveyor
The angle that tilts of length direction.
In one kind preferably scheme, the main hydraulic prop in each hydraulic pressure unit is hingedly connected to the bottom of belt conveyor
One end of seat, the pair hydraulic prop is articulated with the pedestal of belt conveyor, and the other end is articulated with the side of corresponding main hydraulic prop
Wall.
Preferably in scheme, including five hydraulic pressure units, respectively hydraulic pressure unit one, hydraulic pressure unit two, hydraulic pressure unit three,
Hydraulic pressure unit four and hydraulic pressure unit five, the hydraulic pressure unit one, hydraulic pressure unit two and hydraulic pressure unit three are respectively arranged at belt
The uninstalling portion of conveyer, main driving portion and secondary driving portion, hydraulic pressure unit four and hydraulic pressure unit five are respectively arranged at belt conveyor
Tensioning apparatus portion and Webbing take-up device portion；Wherein, the main hydraulic prop in hydraulic pressure unit two, hydraulic pressure unit three and hydraulic pressure unit five
It is vertically arranged, the main hydraulic prop in hydraulic pressure unit one and hydraulic pressure unit four is set along the length direction inclination of belt conveyor respectively
It sets, and tilt angle is complementary.
Preferably in scheme, the tilt angle of main hydraulic prop is 75 degree in hydraulic pressure unit one, main liquid in hydraulic pressure unit four
The tilt angle for pressing pillar is 105 degree.
It further, further include pedestal, one end of the pedestal is removably connected to the main hydraulic prop, and pedestal is used
In contacting and being compressed at the top of tunnel under the action of main hydraulic prop, it is provided on the face being in contact on pedestal with tunnel top anti-
Slipped Clove Hitch structure, the anti-skid structure is for anti-skidding.
In a kind of preferably scheme, the pedestal includes horizontally disposed bottom plate and the contact plate that is obliquely installed, bottom plate and
Several support plates being parallel to each other are provided between contact plate, the support plate is respectively perpendicular to bottom plate and contact plate, contact plate
For contacting at the top of tunnel, it is provided with anti-skid structure on contact plate, the anti-skid structure includes several protrusions, and the protrusion is used for
It is inserted into inside the top plate in tunnel after contacting at the top of tunnel；The lower surface of bottom plate is provided with hinge seat, and hinge seat is for connecting master
Hydraulic prop.
Optionally, the protrusion is cylindrical structure, and raised top is provided with wedge angle, and the contact plate is equipped with several
Hole, the protrusion are separately positioned in corresponding hole, and the connection of protrusion with contact plate is realized by welding.
Further, the hydraulic cylinder in each hydraulic pressure unit in two main hydraulic props shares hydraulic oil all the way, and
Synchronization loop is constituted, so that two main hydraulic prop lifting/lowerings in same hydraulic pressure unit are synchronous；Two in each hydraulic pressure unit
Hydraulic cylinder in secondary hydraulic prop shares hydraulic oil all the way, and constitutes synchronization loop, so as to two in same hydraulic pressure unit
Secondary hydraulic prop lifting/lowering is synchronous.
Preferably, each hydraulic pressure unit respectively includes a flow distributing and collecting module, and the flow distributing and collecting module includes one
A main oil inlet, a main oil return opening, two be divided to oil inlet and two points of oil return openings, the main oil inlet with described two points into
Hydraulic fluid port connection, the main oil return opening are connected to described two points of oil return openings；Wherein, each flow distributing and collecting module passes through main oil inlet respectively
Mouthful and main oil return opening be connected in parallel on main hydraulic oil pipe road, two main hydraulic props in same hydraulic pressure unit by pipeline respectively with
One point of oil inlet with divide oil return opening to be connected to, and constitute synchronization loop；Two secondary hydraulic props in same hydraulic pressure unit pass through
Pipeline divides oil inlet with another respectively and oil return opening is divided to be connected to, and constitutes synchronization loop.
Further, be respectively arranged with reversal valve on the pipeline, the reversal valve for realizing hydraulic circuit connection,
Cutting and commutation.
It further, further include hydraulic power unit, the hydraulic power unit is used for through main hydraulic oil pipeline respectively to each hydraulic
Main hydraulic prop and/or secondary hydraulic prop in unit provide hydraulic oil.
Compared with prior art, using a kind of foundation-free installation for fixing belt conveyor provided by the utility model
System has the advantages that
1, this system, it is compact-sized, using several hydraulic props at the top of connection belt conveyor and tunnel, increase belt
Conveyer can be effectively prevented the normal pressure on tunnel ground to increase the frictional force between belt conveyor and tunnel
Belt conveyor is subjected to displacement in the process of running, is realized that belt conveyor is fast and efficiently installed and fixed, is particularly suitable for
The installation and fixation of belt conveyor in arched tunnel.
2, in this system, be omitted in conventional belt conveyer installation process Base foundation design work, foundation bolt
The work being aligned with the burying work beforehand and belt conveyor of steel plate with foundation bolt, so that the erector of entire belt conveyor
Work is simpler, can greatly shorten the set-up time of belt conveyor and withdraw time (i.e. take-down time), is conducive to accelerate work
Make the installation speed in face, shortens the period, save the cost.
3, using this system, the installation of belt conveyor and solid can be completed by only needing a small number of operating personnels to operate hydraulic systems
It is fixed, the workload in installation process can be greatly reduced, advantageously reduce labor intensity, improve working efficiency.
4, the application of this system is safe and reliable, without finding the relative position of foundation bolt and mounting hole, it is therefore prevented that installation
It is unexpected in the process to occur, improve the safety of operation.
5, this system operating environment that belt conveyor is not overlapped with center line in roadway suitable for arched tunnel, each liquid
It presses two in unit main hydraulic prop height inconsistent, but can guarantee that the active force between the top of tunnel is identical, so that
Two main hydraulic prop stress equalizations on separation pedestal both sides in same hydraulic pressure unit.
6, each hydraulic pressure unit in this system can share same hydraulic power unit with the equipment in belt conveyor, to have
Cost is reduced conducive to further step.
7, in this system, main hydraulic prop and secondary hydraulic prop in each hydraulic pressure unit may be implemented to synchronize respectively and stretch/drop,
So that it is guaranteed that more stable to the fixation of belt conveyor, secured.
8, it is specially designed for this system, it is compact-sized for contacting the pedestal at the top of tunnel, heavy duty can be born, and
It is provided with anti-skid structure, the frictional force of pedestal can be increased, and is effectively prevented after main hydraulic prop stress along arch to lane
Road center is mobile, to realize good fixed effect.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is a kind of for fixing the foundation-free installation system of belt conveyor to provide in the utility model embodiment 1
In, the schematic diagram of splayed support construction.
Fig. 2 is a kind of for fixing the foundation-free installation system of belt conveyor to provide in the utility model embodiment 1
In, the schematic diagram of herringbone support construction.
Fig. 3 is a kind of structural schematic diagram of belt conveyor (front view) in the prior art.
Fig. 4 is that belt conveyor shown in Fig. 3 is mounted on the schematic diagram in tunnel.
Fig. 5 is on the pedestal of belt conveyor shown in Fig. 3, and setting is for the hinge seat of main hydraulic prop and for secondary liquid
Partial top view after pressing the hinge seat of pillar.
Fig. 6 is on the pedestal of belt conveyor shown in Fig. 3, and setting is for the hinge seat of main hydraulic prop and for secondary liquid
Partial front elevation view after pressing the hinge seat of pillar.
Fig. 7 is a kind of for fixing the foundation-free installation system of belt conveyor to provide in the utility model embodiment 2
In, schematic diagram when the major and minor hydraulic prop in a certain hydraulic pressure unit does not extend.
Fig. 8 is a kind of for fixing the foundation-free installation system of belt conveyor to provide in the utility model embodiment 2
In, schematic diagram when the secondary hydraulic prop in a certain hydraulic pressure unit drives main hydraulic prop to adjust to pre-position.
Fig. 9 is a kind of for fixing the foundation-free installation system of belt conveyor to provide in the utility model embodiment 2,
Applied to the schematic diagram after belt conveyor shown in Fig. 3.
Figure 10 is a kind of for fixing the foundation-free installation system of belt conveyor to provide in the utility model embodiment 2
In, the front view of pedestal.
Figure 11 is a kind of for fixing the foundation-free installation system of belt conveyor to provide in the utility model embodiment 2
In, the top view of pedestal.
Figure 12 is a kind of for fixing the foundation-free installation system of belt conveyor to provide in the utility model embodiment 2
In, the right view of pedestal.
Figure 13 is a kind of for fixing the foundation-free installation system of belt conveyor to provide in the utility model embodiment 2
In, the left view of pedestal.
Figure 14 is a kind of for fixing the foundation-free installation system of belt conveyor to provide in the utility model embodiment 2
In, schematic diagram when pedestal is inserted at the top of tunnel under the action of main hydraulic prop.
Figure 15 is a kind of for fixing the foundation-free installation system of belt conveyor to provide in the utility model embodiment 2
In, the structure chart of hydraulic circuit.
For Figure 16 to be a kind of for fixing in the foundation-free installation system of belt conveyor described in Fig. 9, each hydraulic pressure unit is equal
It extends and realizes the main view (front view) after belt conveyor securely fixes.
Figure 17 is the right view of Figure 15.
Figure 18 is the partial schematic diagram (front view) on the pedestal of belt conveyor shown in Fig. 3, after ramped abutment is arranged.
Description of symbols in figure
Hydraulic pressure unit 101, main hydraulic prop 102, secondary hydraulic prop 103,
Pedestal 104, hydraulic pressure unit 1, hydraulic pressure unit 2 106,
Hydraulic pressure unit 3 107, hydraulic pressure unit 4 108, hydraulic pressure unit 5 109,
The pedestal 201 of belt conveyor, uninstalling portion 202, main driving portion 203,
Secondary driving portion 204, tensioning apparatus portion 205, Webbing take-up device portion 206,
For the hinge seat 207 of main hydraulic prop, for the hinge seat 208 of secondary hydraulic prop,
Support 209, tunnel 301 overlap chamber 302,
303 at the top of tunnel, the center line 304 of belt conveyor overlaps the center line 305 of chamber,
Bottom plate 401, support plate 402, contact plate 403,
Protrusion 404, hinge seat 405.
Specific embodiment
Below in conjunction with attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole realities
Apply example.The hydraulic pressure unit part of the utility model embodiment being usually described and illustrated herein in the accompanying drawings can be with a variety of different
Configuration is to arrange and design.It therefore, is not below purport to the detailed description of the embodiments of the present invention provided in the accompanying drawings
In the range of limitation claimed invention, but it is merely representative of the selected embodiment of the utility model.Based on this reality
With novel embodiment, those skilled in the art's every other implementation obtained without making creative work
Example, fall within the protection scope of the utility model.
Main hydraulic prop 102 described in the present embodiment and secondary hydraulic prop 103 are hydraulic props, only to facilitate
Description and differentiation inborn ability are also known as main hydraulic prop 102, secondary hydraulic prop 103, are repeated no more hereinafter.
Embodiment 1
Provide a kind of for fixing the foundation-free installation system of belt conveyor in the present embodiment, including several masters are hydraulic
Pillar 102, main hydraulic prop 102 are respectively arranged at the pedestal 201 of belt conveyor, and main hydraulic prop 102 can be in hydraulic oil
Driving effect under extend to 303 at the top of tunnel, and the pedestal 201 of belt conveyor is pressed by compressing at the top of tunnel 303
On the ground in tunnel 301, the fixation to belt conveyor is realized, in case the position of belt conveyor occurs during the work time
(sliding or mobile) is changed, brings danger to coal mining.
Main hydraulic prop 102 can use hydraulic prop commonly used in the prior art, and main hydraulic prop 102 can be hydraulic
It is extended under the driving effect of oil 303 at the top of tunnel, by compressing 303 at the top of tunnel, so that the pedestal 201 of belt conveyor is tight
It is pressed on the ground in tunnel 301, increases pedestal to the normal pressure on 301 ground of tunnel, to increase the pedestal 201 of belt conveyor
Frictional force between ground, and it is larger than maximum, force (maximum load, including belt conveyor born when equipment operation
Self gravity, the gravity of transported raw coal, belt tensile force etc. along the sum of component of belt conveyor length direction), Ke Yifang
Just, fast, efficiently realize the installation and fixation of belt conveyor, and can effectively ensure belt conveying in operational process
The position of machine does not change, and is conducive to belt conveyor normal operation.
The foundation-free installation system provided in this embodiment for being used to fix belt conveyor is substituted original using hydraulic device
The technology of pre-embedded anchoring bolts and the belt conveyor in Interal fixation tunnel 301, using technical solution provided in this embodiment
Installation and fixed belt conveyor are not necessarily to pre-embedded anchoring bolts, need to only use 301 bottom of tunnel without designing ground drawing
Cement pour it is smooth i.e. can be used so that the installation procedure of belt conveyor is simpler, installation cost is lower, can greatly shorten
The installation period of belt conveyor；In addition, also saving mounting hole in belt conveyor installation process and foundation bolt adjusting
The process of alignment reduces the workload in installation and fixation procedure without using nut or welding steel fixed equipment, can be with
Effectively improve working efficiency.
In practical projects, former according to the length of belt conveyor, the tilt angle in tunnel 301, Leather Belt Conveyance
What the parameters such as speed, capacity when coal, technical staff or designer can be convenient calculates the number of required main hydraulic prop 102
Mesh and/or installation site etc., to realize to belt conveyor safety, firm fixation, so that this is for fixing belt conveying
The foundation-free installation system of machine, more meets the actual conditions of use site, and application range is wider, and applicable situation is more.
In a kind of preferably scheme, several main hydraulic props 102 can be divided into several hydraulic pressure units 101, often
It include two main hydraulic props 102 in a hydraulic pressure unit 101, two main hydraulic props 102 in same hydraulic pressure unit 101 are distinguished
The both sides of the pedestal 201 of belt conveyor are set to, and the main hydraulic prop 102 of two in same hydraulic pressure unit 101 is mutually flat
Row.In i.e. same hydraulic pressure unit 101, two main hydraulic props 102 are separately positioned on 201 both sides of pedestal of belt conveyor, and
On mutual corresponding position, in fixed belt conveyor, two hydraulic branch of master in hydraulic oil driving hydraulic pressure unit 101 are utilized
Column 102 extends to 303 at the top of tunnel, is in contact and compresses at the top of tunnel 301, so that the pedestal 201 to belt conveyor produces
Raw normal pressure or positive pressure force component straight down；Such setting: be on the one hand conducive to be arranged at 101 position of hydraulic pressure unit
Belt conveyor fixation it is more firm, on the other hand, tunnel 301 in the prior art be usually domes, i.e., tunnel push up
Portion 303 is arc, if a main hydraulic prop 102 is only arranged in hydraulic pressure unit 101, compresses lane in main hydraulic prop 102
During 301 top of road, it is possible to create perpendicular to the horizontal force of belt conveyor length direction, be easy to cause belt defeated
Machine is sent to be displaced sideways or slide, it is very unfavorable for the fixation of belt conveyor, and in hydraulic pressure unit 101 mutually using two
After parallel main hydraulic prop 102, it is possible to create the horizontal force perpendicular to belt conveyor length direction can be two
It cancels out each other between a main hydraulic prop 102 (because contrary), so that the fixation to belt conveyor is more stable.
Optionally in scheme, when the number of hydraulic pressure unit 101 is greater than or equal to 2, at least there are two in hydraulic pressure unit 101
Main hydraulic prop 102 be obliquely installed along the length direction of belt conveyor, and the inclination side of at least one hydraulic pressure unit 101
To different from remaining hydraulic pressure unit 101；I.e. during fixed belt conveyor, in addition to making in some hydraulic pressure units 101
Main hydraulic prop 102 be vertically arranged except, splayed or herringbone can also be set along the length direction of belt conveyor
Support construction, for example, as shown in Figure 1, two hydraulic pressure units 101 being obliquely installed of length direction along belt conveyor can be with structure
Two hydraulic pressure units 101 as also shown in fig. 2 at splayed support construction, being obliquely installed along the length direction of belt conveyor
It may be constructed herringbone support construction, such setting can make belt conveying in the length direction along belt conveyor
The fixation of machine is more firm, is not in the case where belt conveyor is moved or slided along tunnel 301, is particularly suitable for arch lane
Road 301, and the biggish occasion of tilt angle in tunnel 301.
In a kind of preferably scheme, the hydraulic pressure unit that is obliquely installed including two along the length direction of belt conveyor
101, the tilt angle of one of hydraulic pressure unit 101 can be 75 degree, the tilt angle of another hydraulic pressure unit 101 can be with
It is 105 degree；That is the tilt angle of two hydraulic pressure units 101 is complementary, to realize preferably fixed effect.
It further, further include two secondary hydraulic props 103 in each hydraulic pressure unit 101, the pair hydraulic prop 103 divides
Not corresponding with two main hydraulic props 102 in hydraulic pressure unit 101, secondary hydraulic prop 103 is mainly used for adjusting corresponding main liquid
Press the direction of pillar 102 (i.e. along the angle of the length direction of belt conveyor).It is incited somebody to action using what secondary hydraulic prop 103 can be convenient
Corresponding main hydraulic prop 102 is adjusted to suitable or setting angle, and main hydraulic prop 102 is such as adjusted to vertical direction, or
Main hydraulic prop 102 is adjusted to the angle etc. tilted with the length direction of belt conveyor；On the one hand, it can substantially reduce
Labor intensity shortens main hydraulic prop 102 and installs the time in place, improves efficiency, on the other hand, can be more accurate, reliable
It is very convenient by the adjusting of main hydraulic prop 102 to scheduled Support Position.
It further include pedestal 104 further in scheme, one end of the pedestal 104 is removably connected to the main liquid
Pillar 102 is pressed, and is connected as one with main hydraulic prop 102, when the elongation of main hydraulic prop 102, pedestal 104 can be in main liquid
It presses and contacts and compress under the induced effect of pillar 102 303 at the top of tunnel, thus using 301 top of tunnel to the pressure of pedestal 104
Belt conveyor is pressed on the ground in tunnel 301 by power, the final fixation realized to belt conveyor；As it was noted above, lane
303 be usually that arc is easy to appear showing for skidding, it is defeated to be unfavorable for belt after pedestal 104 contacts 303 at the top of tunnel at the top of road
The fixation of machine is sent, therefore in the present embodiment, it is provided with anti-skid structure on the face being in contact on pedestal 104 at the top of tunnel 303, is prevented
Slipped Clove Hitch structure is used to play anti-skidding effect when contacting 303 at the top of tunnel, and main hydraulic prop 102 is avoided to deviate original scheduled position
It sets, and influences the fixed effect to belt conveyor.
It in the present embodiment, further include hydraulic power unit, the hydraulic power unit is used for through main hydraulic oil pipeline respectively to each
Main hydraulic prop 102 and/or secondary hydraulic prop 103 in hydraulic pressure unit 101 provide hydraulic oil, to drive main hydraulic prop
102 and/or the completion of secondary hydraulic prop 103 elongate or shorten function, and support force is provided for main hydraulic prop 102, so that elongation
Main hydraulic prop 102 under state can stablize, be securely supported at tunnel at the top of 303 with the pedestal 201 of belt conveyor it
Between, and the pedestal of belt conveyor 201 is pressed on the ground in tunnel 301, to realize the fixation to belt conveyor.
This is used to fix the hydraulic power unit in the foundation-free installation system of belt conveyor, can be and commonly uses in the prior art
Hydraulic power unit be also possible to belt either providing hydraulic oil and the hydraulic power unit that is separately provided for each hydraulic pressure unit 101
The hydraulic power unit of belt conveyor itself, example can be used in the hydraulic power unit that conveyer itself carries, i.e., each hydraulic pressure unit 101
Such as, each hydraulic pressure unit 101 can share a hydraulic power unit with the Webbing take-up device in belt conveyor, not only convenient for management, but also can
Further to reduce cost.
Embodiment 2
According to the scheme in embodiment 1, the present embodiment 2 provides a kind of more specifically for fixing belt conveyor
Foundation-free installation system.
In the prior art, as shown in figure 3, belt conveyor can be generally divided into head section, middle part along its length
Point and tail part, wherein head section generally includes uninstalling portion 202, main driving portion 203 and secondary driving portion 204, tail
Part generally includes tensioning apparatus portion 205 and Webbing take-up device portion 206, and middle section setting divides it in head section and drive end unit
Between, for head section and tail part to be connected to become an entirety, raw coal is usually slave portion, via middle part
Point, it is transported to head section.
In the present embodiment, belt conveyor is mounted between working face (coal working face) and auxiliary stone transporting door, and belt is defeated
Send the tail part of machine to connect with elevating conveyor, head section is overlapped with another belt feeder, thus by raw coal continuously from
Elevating conveyor is transported on another belt feeder.
In the present embodiment, tunnel 301 is domes, and length direction of the belt conveyor along tunnel 301 is arranged, and sets
Set the side in tunnel 301, since the mechanical equipment of belt conveyer head part and tail part is more, therefore head section and
Tail part is generally arranged in the overlap joint chamber 302 in machine lane, and overlap joint chamber 302 is similarly domes, and overlap joint chamber 302 is just
Wider tunnel 301, in the present embodiment, overlap 302 width 6900mm of chamber, the center line 304 of belt conveyor with take
The 305 deviation 400mm of center line of chamber is met, as shown in Figure 4.
In the present embodiment, the foundation-free installation system is arranged on the pedestal 201 of the belt conveyor, and is set to
It overlaps in chamber 302.
In the present embodiment, the foundation-free installation system, including five hydraulic pressure units 101, each hydraulic pressure unit 101 is
Including being respectively arranged at pedestal both sides and the secondary hydraulic props 103 of two main hydraulic props 102 being parallel to each other and two, each liquid
Main hydraulic prop 102 in pressure unit 101 is hingedly connected to the pedestal 201 of belt conveyor, one end hinge of secondary hydraulic prop 103
It is connected to the pedestal 201 of belt conveyor, the other end is articulated with the side wall of corresponding main hydraulic prop 102, as shown in Figures 7 and 8,
Under the driving effect of hydraulic oil, main hydraulic prop 102 can extend, and during elongation, secondary hydraulic prop 103 can be along
Articulated joint rotation is realized to main 102 direction of hydraulic prop (or angle to drive the slow rising height of main hydraulic prop 102
Degree) adjusting, as shown in Figures 5 and 6, on the pedestal 201 of belt conveyor setting be separately provided for main hydraulic prop
Hinge seat 207 and hinge seat 208 for secondary hydraulic prop, main hydraulic prop 102 and secondary hydraulic prop 103 can be set
It on corresponding hinge seat, can be connected as one by pin shaft, so that main hydraulic prop 102 and pair in each hydraulic pressure unit 101
Hydraulic prop 103 is installed very convenient, efficient.
In the present embodiment, main hydraulic prop 102 and secondary hydraulic prop 103 can use existing hydraulic prop, and show
It is usually provided on some hydraulic props for hinged hinge head, which is not described herein again.
In the present embodiment, five hydraulic pressure units 101 are respectively hydraulic pressure unit 1, hydraulic pressure unit 2 106, liquid
Unit 3 107, hydraulic pressure unit 4 108 and hydraulic pressure unit 5 109 are pressed, due in practical applications, belt conveyer head portion
The stress divided is larger, therefore in the present embodiment, hydraulic pressure unit 1, hydraulic pressure unit 2 106 and hydraulic pressure unit 3 107 are set respectively
It is placed in the pedestal of the uninstalling portion 202 of belt conveyer head part, main driving portion 203 and secondary driving portion 204, hydraulic pressure unit four
108 and hydraulic pressure unit 5 109 be respectively arranged at the tensioning apparatus portion 205 and Webbing take-up device portion 206 of belt conveyor tail part
Pedestal, as shown in Fig. 9.
As shown in Figure 10, Figure 11, Figure 12 and Figure 13, in a kind of preferably scheme, pedestal 104 includes horizontally disposed
Bottom plate 401 and the contact plate 403 being obliquely installed, are provided with several support plates being parallel to each other between bottom plate 401 and contact plate 403
402, support plate 402 is respectively perpendicular to bottom plate 401 and contact plate 403, so as to bear bigger load；Contact plate 403 is used
303 at the top of contact tunnel, it is provided with anti-skid structure on contact plate 403, the anti-skid structure includes several raised 404, described
Protrusion 404 after contacting 303 at the top of tunnel for being inserted into inside the top plate in tunnel 301, as shown in figure 14, to avoid pedestal
104 slide along arched tunnel 301 to 301 centerline direction of tunnel；The lower surface of bottom plate 401 is provided with hinge seat 405, hinge
Seat 405 is for connecting main hydraulic prop 102；In the present embodiment, it is set respectively on the main hydraulic prop 102 of each hydraulic pressure unit 101
It is equipped with hinge head, the hinge seat 405 of pedestal 104 can be realized detachable by the hinge head on pin shaft and main hydraulic prop 102
Connection, as shown in Figure 10 or Figure 12 or Figure 13 or Figure 14, on the one hand, convenient for the transport of pedestal 104, especially convenient transportation to tunnel
It, on the other hand, can be with repeated recycling utilize convenient for the installation and removal of pedestal 104 in 301.
This pedestal 104, it is not only compact-sized, it is easily manufactured, it is at low cost, and respectively with 403 phase of bottom plate 401 and contact plate
Mutually vertical several faggings 402, allow this pedestal 104 to bear heavy load, meet the needs of this foundation-free installation system.
As shown in Figure 10 or Figure 13 or Figure 14, in the present embodiment, shown raised 404 be cylindrical structure, the top of protrusion 404
Portion is provided with wedge angle, and to be inserted into inside the top plate in tunnel 301, the contact plate 403 of pedestal 104 is equipped with several holes, protrusion 404
It is separately positioned in corresponding hole, and realizes the connection of protrusion 404 with contact plate 403 by welding.
In the prior art, it is both provided with hydraulic cylinder inside common hydraulic prop, to realize hydraulic prop stretch/shrink；
In further scheme, the hydraulic cylinder in each hydraulic pressure unit 101 in two main hydraulic props 102 shares (a set of oil all the way
Road, including into return) hydraulic oil, and synchronization loop is constituted, so as to two main hydraulic props 102 in same hydraulic pressure unit 101
Synchronous lifting/lowering may be implemented, so that the stress of two main hydraulic props 102 in same hydraulic pressure unit 101 is identical, especially
In the present embodiment, as it was noted above, the center line 304 of belt conveyor and overlapping the center line 305 of chamber there are deviation, peace
Between two main hydraulic props 102 in the same hydraulic pressure unit 101 of belt conveyor two sides, at the top of tunnel 303
Distance is different, and in fixed belt conveyor, two main 102 elongations of hydraulic prop are different, but when in same hydraulic pressure unit 101
Two main hydraulic props 102 constitute synchronization loops after, even if the elongation of two main hydraulic props 102 is different, especially encircle
In shape tunnel, the elongation of two main hydraulic props 102 in same hydraulic pressure unit is usually different, but constitutes synchronization loop
Afterwards, the pressure of hydraulic oil is identical in main hydraulic prop 102, and the support force of two main hydraulic props 102 is identical, and difference is not present,
The stress equalization on belt conveyor both sides, so that more stable to the fixation of belt conveyor, firm；And further demonstrate that this
Foundation-free installation system is particularly suitable for the installation and fixation of belt conveyor in arched tunnel.
Likewise, the hydraulic cylinder in each hydraulic pressure unit 101 in two secondary hydraulic props 103 shares another way hydraulic oil,
And synchronization loop is constituted, so that synchronous lifting/lowering may be implemented in two secondary hydraulic props 103 in same hydraulic pressure unit 101, in turn
It may insure that two main hydraulic props 102 corresponding to two secondary hydraulic props 103 may be implemented to synchronize, so as to facilitate,
Efficiently two main hydraulic props 102 in same hydraulic pressure unit 101 are adjusted and arrive same direction or angle.
As shown in figure 15, provided by the present embodiment in a kind of scheme, each hydraulic pressure unit 101 respectively includes one
Flow distributing and collecting module, the flow distributing and collecting module include a main oil inlet, a main oil return opening, two points of oil inlets (as schemed
In B and C) and two points of oil return openings (A and D in such as figure), wherein main oil inlet is connected to (in such as figure with two points of oil inlets
B and C), main oil return opening is connected to (A and D in such as figure) with two points of oil return openings；Two main liquid in same hydraulic pressure unit 101
Pressure pillar 102 by pipeline respectively with a point of oil inlet and oil return opening is divided to be connected to (C and D in such as figure), and constitute and synchronize back
Road；Two secondary hydraulic props 103 in same hydraulic pressure unit 101 divide oil inlet with another respectively and divide oil return opening by pipeline
Be connected to (A and B in such as figure), and constitute synchronization loop, as shown in figure 15, each flow distributing and collecting module pass through respectively main oil inlet and
Main oil return opening is connected in parallel on main hydraulic oil pipe road, and main hydraulic oil pipeline is connected with hydraulic power unit；In the present embodiment, five liquid
The Webbing take-up device in unit 101 and belt conveyor is pressed to share a hydraulic power unit.
In the present embodiment, flow distributing and collecting module can be flow divider-combiner, be also possible to be by two three-way valve structures
At.
As shown in figure 15, be respectively arranged with reversal valve on the pipeline, reversal valve for realizing hydraulic circuit connection, cut
Disconnected and commutation；In the present embodiment, using 3-position 4-way hand-operated direction valve；Further, it is also set up on the pipeline
There are shut-off valve, one-way throttle valve, hydraulic lock, pressure gauge and overflow valve etc., specifically setting position is as shown in figure 15, cut-off
Valve, one-way throttle valve, hydraulic lock, pressure gauge and overflow valve are all the common instruments in hydraulic system, and which is not described herein again；Liquid
Press pump station can carry hydraulic fluid pressure monitoring system, can real-time monitoring hydraulic fluid pressure, and set pressure limit, work as pressure
When lower than pressure limit lower limit, hydraulic power unit starts automatically as system fluid infusion；When the deformation of tunnel 301, main 102 pressure of hydraulic prop
Increase, when hydraulic fluid pressure is greater than the pressure limit upper limit, overflow valve automatically turns on pressure release, to guarantee the safe and reliable fortune of system
Row can also judge whether corresponding main hydraulic prop 102 reaches the pressure value of specified (setting) using pressure gauge.
As shown in FIG. 16 and 17, in the present embodiment, in belt conveyor fixed using this foundation-free installation system,
Main hydraulic prop 102 in hydraulic pressure unit 2 106, hydraulic pressure unit 3 107 and hydraulic pressure unit 5 109 can be vertically arranged, that is, be used
Corresponding main hydraulic prop 102 is adjusted and arrives vertical direction, hydraulic pressure unit 1 and hydraulic pressure unit 4 108 by secondary hydraulic prop 103
In main hydraulic prop 102 can be obliquely installed respectively along the length direction of belt conveyor, wherein in hydraulic pressure unit 1
The tilt angle of main hydraulic prop 102 is 75 degree, that is, utilizes secondary hydraulic prop 103 by two main liquid in hydraulic pressure unit 1
Pillar 102 is pressed to be adjusted in synchronism at 75 degree of position, the tilt angle of main hydraulic prop 102 is 105 in hydraulic pressure unit 4 108
Two main hydraulic props 102 in hydraulic pressure unit 4 108 are adjusted in synchronism the position to 105 degree using secondary hydraulic prop 103 by degree
Set place, as shown in figure 16, in the length direction of belt conveyor, hydraulic pressure unit 1 and hydraulic pressure unit 4 108 can be with
Splayed support construction is constituted, to be advantageously implemented better fixed effect；Further, the pedestal 201 of belt conveyor
Upper corresponding hydraulic pressure unit 1 can be respectively arranged with the support 209 being obliquely installed at the position of hydraulic pressure unit 4 108,
As shown in figure 18, the tilt angle phase of the tilt angle of support 209 and corresponding hydraulic pressure unit 1 and hydraulic pressure unit 4 108
It together, can be by bolt by hydraulic pressure unit one after hydraulic pressure unit 1 and hydraulic pressure unit 4 108 are adjusted to predetermined position
105 and hydraulic pressure unit 4 108 be separately fixed on corresponding support 209 (similarly, hydraulic pressure unit 2 106, hydraulic pressure unit 3 107
And hydraulic pressure unit 5 109 is adjusted to after predetermined position, can also be bolted on the pedestal 201 of belt conveyor), and
Adjustable corresponding reversal valve closes the hydraulic oil of secondary hydraulic pressure unit 101 in hydraulic pressure unit 1 and hydraulic pressure unit 4 108
Supply, further to save operating cost.
Foundation-free installation system provided in this embodiment, it can be effectively reduced the installation of belt conveyor, be fixed into
This, and the Fast Installation of belt conveyor may be implemented, withdraw and reuse, it is right in arched tunnel 301 to be particularly suitable for
The installation and fixation of belt conveyor, whole process, only need to be by tunnels without pre-embedded anchoring bolts without designing ground drawing
301 bottoms using cement pour it is smooth i.e. can be used, it is very convenient, efficient, it is applied widely.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.
Claims (10)
1. a kind of for fixing the foundation-free installation system of belt conveyor, which is characterized in that including several main hydraulic props, institute
The pedestal that main hydraulic prop is respectively arranged at belt conveyor is stated, main hydraulic prop passes through pressure for extending at the top of tunnel
The pedestal of belt conveyor is pressed on the ground in tunnel at the top of tight tunnel, realizes the fixation to belt conveyor.
2. according to claim 1 for fixing the foundation-free installation system of belt conveyor, which is characterized in that if described
It does main hydraulic prop and is divided into several hydraulic pressure units, each hydraulic pressure unit includes two main hydraulic props, in same hydraulic pressure unit
Two main hydraulic props are respectively arranged at the both sides of the pedestal of belt conveyor, and are parallel to each other.
3. according to claim 2 for fixing the foundation-free installation system of belt conveyor, which is characterized in that when hydraulic
When the number of unit is greater than or equal to 2, at least there are two the main hydraulic props in hydraulic pressure unit along the length side of belt conveyor
To being obliquely installed, and the inclined direction of at least one hydraulic pressure unit is different from remaining hydraulic pressure unit.
4. according to claim 3 for fixing the foundation-free installation system of belt conveyor, which is characterized in that described every
A hydraulic pressure unit further includes two secondary hydraulic props, the pair hydraulic prop respectively with two main hydraulic props in hydraulic pressure unit
Corresponding, secondary hydraulic prop is used to adjust direction or the angle of corresponding main hydraulic prop.
5. according to claim 4 for fixing the foundation-free installation system of belt conveyor, which is characterized in that described each
Main hydraulic prop in hydraulic pressure unit is hingedly connected to the pedestal of belt conveyor, and one end of the pair hydraulic prop is articulated with band
The pedestal of formula conveyer, the other end are articulated with the side wall of corresponding main hydraulic prop.
6. according to claim 4 for fixing the foundation-free installation system of belt conveyor, which is characterized in that including five
A hydraulic pressure unit, respectively hydraulic pressure unit one, hydraulic pressure unit two, hydraulic pressure unit three, hydraulic pressure unit four and hydraulic pressure unit five, institute
State uninstalling portion, main driving portion and pair that hydraulic pressure unit one, hydraulic pressure unit two and hydraulic pressure unit three are respectively arranged at belt conveyor
The pedestal of driving portion, hydraulic pressure unit four and hydraulic pressure unit five are respectively arranged at tensioning apparatus portion and the Webbing take-up device of belt conveyor
The pedestal in portion；Wherein, the main hydraulic prop in hydraulic pressure unit two, hydraulic pressure unit three and hydraulic pressure unit five is vertically arranged, hydraulic list
Main hydraulic prop in member one and hydraulic pressure unit four is obliquely installed along the length direction of belt conveyor respectively, and tilt angle is mutual
It mends.
7. according to claim 1 for fixing the foundation-free installation system of belt conveyor, which is characterized in that further include
Pedestal, one end of the pedestal are removably connected to the main hydraulic prop, and pedestal is used under the action of main hydraulic prop
It contacts and compresses at the top of tunnel, anti-skid structure is provided on the face being in contact on pedestal with tunnel top, the anti-skid structure is used
In anti-skidding.
8. according to claim 7 for fixing the foundation-free installation system of belt conveyor, which is characterized in that the seat
Body includes horizontally disposed bottom plate and the contact plate that is obliquely installed, and several branch being parallel to each other are provided between bottom plate and contact plate
Fagging, the support plate are respectively perpendicular to bottom plate and contact plate, and contact plate is provided with anti-for contacting at the top of tunnel on contact plate
Slipped Clove Hitch structure, the anti-skid structure include several protrusions, and the protrusion after contacting at the top of tunnel for being inserted into the top plate in tunnel
Portion；The lower surface of bottom plate is provided with hinge seat, and hinge seat is for connecting main hydraulic prop.
9. according to any foundation-free installation system for being used to fix belt conveyor of claim 4-6, which is characterized in that
Hydraulic cylinder in each hydraulic pressure unit in two main hydraulic props shares hydraulic oil all the way, and constitutes synchronization loop, so as to
Two main hydraulic props in same hydraulic pressure unit realize synchronous lifting/lowering；In each hydraulic pressure unit in two secondary hydraulic props
Hydraulic cylinder share hydraulic oil all the way, and synchronization loop is constituted, so that two secondary hydraulic props in same hydraulic pressure unit are real
Now synchronize lifting/lowering.
10. according to claim 9 for fixing the foundation-free installation system of belt conveyor, which is characterized in that described
Each hydraulic pressure unit respectively includes a flow distributing and collecting module, and the flow distributing and collecting module is led back including a main oil inlet, one
Hydraulic fluid port, two be divided to oil inlet and two points of oil return openings, the main oil inlet is connected to described two points of oil inlets, the main oil return
Mouth is connected to described two points of oil return openings；Wherein, each flow distributing and collecting module passes through main oil inlet respectively and main oil return opening is connected in parallel on
Main hydraulic oil pipe road, two main hydraulic props in same hydraulic pressure unit by pipeline respectively with a point of oil inlet and divide back
Hydraulic fluid port connection, and constitute synchronization loop；Two in same hydraulic pressure unit secondary hydraulic props by pipeline respectively with another point
Oil inlet with divide oil return opening to be connected to, and constitute synchronization loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820834526.3U CN208364171U (en) | 2018-05-31 | 2018-05-31 | It is a kind of for fixing the foundation-free installation system of belt conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820834526.3U CN208364171U (en) | 2018-05-31 | 2018-05-31 | It is a kind of for fixing the foundation-free installation system of belt conveyor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208364171U true CN208364171U (en) | 2019-01-11 |
Family
ID=64930988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820834526.3U Active CN208364171U (en) | 2018-05-31 | 2018-05-31 | It is a kind of for fixing the foundation-free installation system of belt conveyor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208364171U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108590746A (en) * | 2018-05-31 | 2018-09-28 | 神华宁夏煤业集团有限责任公司梅花井煤矿 | A kind of foundation-free installation system for fixing ribbon conveyer |
| CN110949955A (en) * | 2019-12-11 | 2020-04-03 | 天地科技股份有限公司 | Foundation-free anchoring device of crossheading rubber belt conveyor |
-
2018
- 2018-05-31 CN CN201820834526.3U patent/CN208364171U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108590746A (en) * | 2018-05-31 | 2018-09-28 | 神华宁夏煤业集团有限责任公司梅花井煤矿 | A kind of foundation-free installation system for fixing ribbon conveyer |
| CN108590746B (en) * | 2018-05-31 | 2023-11-03 | 国家能源集团宁夏煤业有限责任公司 | Non-foundation installation system for fixing belt conveyor |
| CN110949955A (en) * | 2019-12-11 | 2020-04-03 | 天地科技股份有限公司 | Foundation-free anchoring device of crossheading rubber belt conveyor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101349159B (en) | Method of single channel railless plastic core-rubber-tire vehicle back withdrawing fully-mechanized mining working face | |
| CN1932240B (en) | Full-seam cutting, retreating, separate moving and full-caving comprehensive mechanized coal mining method | |
| CN101598018B (en) | Alpine bolter miner back affiliating travel type breaking and transhipping continuous transporting device | |
| CN101289939B (en) | Comprehensive support device for gob-side entry retaining | |
| CN101372891A (en) | Strip filling integral backstopping coal mining method | |
| WO2015161771A1 (en) | Matching method for equipment for solid-filling coal face of coal mine | |
| CN208364171U (en) | It is a kind of for fixing the foundation-free installation system of belt conveyor | |
| CN101985887B (en) | End supporting, filling and transshipping system of coal face | |
| WO2009155776A1 (en) | A dilling, loading, transporting and anchoring integration machine for laneway in coal mine | |
| CN103939113B (en) | A kind of outstanding rail construction trolley | |
| CN103104260B (en) | Under complex geological condition, comprehensive-machine is to hand-pulled noodles coal-mining method | |
| CN105604581A (en) | Hoisting and rotating type installation equipment of tunnel ditch cable groove combination template and construction method of hoisting and rotating type installation equipment | |
| CN109184769A (en) | A kind of soft mould filling mining bracket and its placement method | |
| CN108590746A (en) | A kind of foundation-free installation system for fixing ribbon conveyer | |
| CN101775991A (en) | Method for significant reduction of bracket support of gob-side roadway of fully-mechanized mining face | |
| CN201439717U (en) | Back-up traveling type crushing and transfer continuous transportation device of tunneling and bolting machine | |
| CN201835851U (en) | Coal face end timbering, filling and transshipping system | |
| CN109026050A (en) | A kind of anchor combined unit of fully mechanized mining formula pick branch and its an application method | |
| CN201714412U (en) | Hydraulic support for non-solid-filled working face | |
| CN105937400B (en) | It is a kind of once to tunnel Liu Sheshuan lanes digging operation production line | |
| CN202832586U (en) | Hydraulic support dismantling device | |
| CN110030026A (en) | A kind of scalable roadway support arch and its operating method | |
| CN201982126U (en) | Gate-type laneway support bracket | |
| CN205422777U (en) | A gob entry support system for roof is unstable | |
| CN105937401B (en) | The method for protecting support in Liu Sheshuan lanes is once tunneled in a kind of U-shaped ventilation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 750409 meihuajing coal mine, Ningdong Town, Lingwu City, Yinchuan City, Ningxia Hui Autonomous Region Patentee after: Meihuajing coal mine of Ningxia Coal Industry Co., Ltd. of state energy Group Address before: 750409 meihuajing coal mine, Ningdong Town, Lingwu City, Yinchuan City, Ningxia Hui Autonomous Region Patentee before: SHENHUA NINGXIA COAL INDUSTRY GROUP Co.,Ltd. MEIHUA WELL COAL MINE |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210906 Address after: 168 Beijing Middle Road, Jinfeng District, Yinchuan City, Ningxia Hui Autonomous Region Patentee after: National Energy Group Ningxia Coal Industry Co.,Ltd. Address before: 750409 meihuajing coal mine, Ningdong Town, Lingwu City, Yinchuan City, Ningxia Hui Autonomous Region Patentee before: Meihuajing coal mine of Ningxia Coal Industry Co., Ltd. of state energy Group |
|
| TR01 | Transfer of patent right |