CN216429660U - Mining air door opening buffer - Google Patents
Mining air door opening buffer Download PDFInfo
- Publication number
- CN216429660U CN216429660U CN202122842212.2U CN202122842212U CN216429660U CN 216429660 U CN216429660 U CN 216429660U CN 202122842212 U CN202122842212 U CN 202122842212U CN 216429660 U CN216429660 U CN 216429660U
- Authority
- CN
- China
- Prior art keywords
- air door
- fixed
- frame
- buffer block
- buffer
- 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
- 238000005065 mining Methods 0.000 title claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 230000000694 effects Effects 0.000 claims abstract description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000003116 impacting effect Effects 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
Abstract
The utility model discloses a mining air door buffer that opens door, it includes support frame, buffer block and trip one side of support frame is fixed with the buffer block one side of buffer block articulated through hinge mechanism on the support frame have the level pivoted trip, the head of trip with the buffer block activity sets up relatively. The advantages are that: in the process of opening the air door, the buffer block can buffer the air door, so that the air door is prevented from impacting a roadway side to cause deformation of the air door and damage of an air cylinder, and the service life of the air door is ensured; and when the air door is opened or overhauled manually during air stopping and power failure, the air door is limited through the clamping hook after being opened, so that the air door can be prevented from being closed accidentally. Just the utility model has the advantages of simple integral structure, processing is convenient, and need not be equipped with electrical equipment in the use, convenient to use, application scope is wide.
Description
The technical field is as follows:
the utility model relates to a mining air door technical field, specifically speaking relate to a mining air door buffer that opens door.
The background art comprises the following steps:
the air door is used for shielding wind, so that the wind cannot flow through the air door as much as possible, but the air door is arranged because the number of mine roadways is limited, and personnel and equipment (including a mine car) must pass through the air door. The damper is normally closed, but needs to be opened as personnel and equipment pass. The opening and closing of the existing air door are usually controlled through the air cylinder, when the air door is opened, the air door is parallel to the roadway side part and can be in a ninety-degree included angle with the door frame, however, when the stroke of the air cylinder is large when the air door is opened, the air door is impacted on the roadway side under the action of the power of the air cylinder, and the air door is easily damaged and the air cylinder is damaged. And under the condition that the air door is manually opened or overhauled when the air door is stopped and the power is cut off, the air door cannot be kept parallel to the roadway side part after being opened.
The utility model has the following contents:
an object of the utility model is to provide a can prevent that air door from striking mine air door buffer that opens door of lane group.
The utility model discloses by following technical scheme implement: mining air door buffer that opens door, it includes support frame, buffer block and trip one side of support frame is fixed with the buffer block one side of buffer block articulated through hinge mechanism on the support frame have the level pivoted trip, the head of trip with the buffer block activity sets up relatively.
Further, the hinge mechanism comprises a pin rod and two fixing plates which are arranged in parallel up and down, the two fixing plates are fixedly connected with the support frame, an arc-shaped sliding groove is formed in the fixing plate on the upper portion, and two positioning holes which correspond to the two ends of the arc-shaped sliding groove up and down are formed in the fixing plate on the lower portion; the pin rod is arranged in the sliding groove in a sliding mode, and the bottom end of the pin rod is movably inserted into any corresponding positioning hole; the tail part of the clamping hook is fixedly connected with the pin rod between the two fixing plates.
Furthermore, the pin rod is an elastic positioning pin, and the tail part of the clamping hook is fixed with a sleeve of the elastic positioning pin.
Furthermore, a bottom plate is fixed at the bottom of the support frame.
Furthermore, the supporting frame comprises a base, a fixed frame, a movable frame and a fixed piece, wherein the fixed frame is vertically fixed at the top of the base; the buffer block and the hinge mechanism are arranged on one side of the movable frame, the lower part of the other side of the movable frame is overlapped with the upper part of the fixed frame, and the lower part of the movable frame is in up-and-down sliding contact with the upper part of the fixed frame; the fixing piece is detachably connected between the movable frame and the fixed frame.
Furthermore, the fixed part comprises a screw rod and a nut, a vertically arranged long hole is formed in the fixed frame, a screw rod which is arranged along the long hole in a vertically sliding mode is fixed on the movable frame, and the nut which is movably abutted to the fixed frame is connected to the top end of the screw rod in a threaded mode.
Furthermore, the mounting includes screw rod and nut set up the slot hole of vertical setting on the adjustable shelf be fixed with on the mount along the screw rod that the slot hole slided from top to bottom and set up the top spiro union of screw rod have with the nut of adjustable shelf activity butt.
Furthermore, the whole support frame is a Z-shaped support.
Further, the buffer block and the hinge mechanism are respectively arranged on the outer sides of the two end supports of the Z-shaped support.
Furthermore, a reinforcing rib plate is fixed between the inner side of the end bracket and the middle bracket of the Z-shaped bracket fixed with the buffer block.
Furthermore, the rear end of the buffer block is fixed with one end of the adjusting screw rod, the other end of the adjusting screw rod penetrates through the upper part of the support frame in a sliding manner, and an adjusting nut is screwed at the other end of the adjusting screw rod; the buffer block with between the support frame adjusting screw's outside cover is equipped with buffer spring.
The utility model has the advantages that: in the process of opening the air door, the buffer block can buffer the air door, so that the air door is prevented from impacting a roadway side to cause deformation of the air door and damage of an air cylinder, and the service life of the air door is ensured; and when the air door is opened or overhauled manually during air stopping and power failure, the air door is limited through the clamping hook after being opened, so that the air door can be prevented from being closed accidentally. Just the utility model has the advantages of simple integral structure, processing is convenient, and need not be equipped with electrical equipment in the use, convenient to use, application scope is wide.
Description of the drawings:
fig. 1 is a schematic view of the entire structure of embodiment 1.
FIG. 2 is a schematic diagram of the overall structure of embodiment 2
Fig. 3 is a top view of fig. 2.
Fig. 4 is a left side view of fig. 1.
Fig. 5 is a schematic view of the entire structure of embodiment 3.
Fig. 6 is a left side view of fig. 5.
The device comprises a support frame 1, a fixed frame 12, a movable frame 13, a fixed piece 14, a screw rod 15, a nut 16, a long hole 17, a buffer block 2, a clamping hook 3, a hinge mechanism 4, a pin rod 41, a fixed plate 42, an arc-shaped sliding groove 43, a positioning hole 44, a bottom plate 5, a reinforcing rib plate 6, an adjusting screw rod 7, an adjusting nut 8 and a buffer spring 9.
The specific implementation mode is as follows:
in the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Example 1: as shown in figure 1, the mining air door opening buffer comprises a support frame 1, a buffer block 2 and a clamping hook 3, wherein the buffer block 2 is fixed on one side of the support frame 1, the clamping hook 3 which horizontally rotates is hinged on the support frame 1 on one side of the buffer block 2 through a hinge mechanism 4, and the head of the clamping hook 3 is movably arranged relative to the buffer block 2. Specifically, a bottom plate 5 is fixed at the bottom of the support frame 1, and the bottom plate 5 is fixed on a roadway bottom plate through an expansion bolt; but the control cylinder normal operating of air door rotates trip 3 to the one side of keeping away from buffer block 2, and the in-process of air door is opened to the cylinder, and the air door can strike buffer block 2, plays the cushioning effect to the air door through buffer block 2, prevents that the air door from directly striking the lane group and damaging air door or cylinder. Under the condition when stopping supple of gas and having a power failure manual work and opening or overhaul the air door, rotate the one side of keeping away from buffer block 2 with trip 3 before opening the air door, the air door is opened to the manual work to contact the back with buffer block 2, rotates the head with trip 3 to the position that head and buffer block 2 are relative, and at this moment, the head joint of trip 3 prevents that the air door from closing by oneself at the avris of air door.
Specifically, a bottom plate 5 is fixed at the bottom of the support frame 1, and the bottom plate 5 is fixed on a roadway bottom plate through an expansion bolt; the hinge mechanism 4 comprises a pin rod 41 and two fixing plates 42 which are arranged in parallel up and down, the two fixing plates 42 are fixedly connected with the support frame 1, an arc-shaped sliding groove 43 is formed in the fixing plate 42 at the upper part, and two positioning holes 44 which correspond to the two ends of the arc-shaped sliding groove 43 up and down are formed in the fixing plate 42 at the lower part respectively; the pin rod 41 is arranged in the sliding groove in a sliding manner, and the bottom end of the pin rod 41 is movably inserted into any corresponding positioning hole 44; the tail part of the clamping hook 3 is fixedly connected with a pin rod 41 between two fixed plates 42. When the pin rod 41 is inserted into the positioning hole 44 far away from the buffer block 2, the clamping hook 3 is completely positioned on one side of the buffer block 2, so that the clamping hook 3 can be prevented from blocking the air door, and the air door can be conveniently opened; when the pin rod 41 is inserted into the positioning hole 44 close to the buffer block 2, the head of the hook 3 is arranged opposite to the buffer block 2, and the head of the hook 3 is clamped on the side of the air door, so that the air door can be prevented from being accidentally closed. The preferable pin rod 41 is a commercially available elastic positioning pin, the elastic positioning pin comprises a sleeve, a pin rod main body and a spring, the pin rod main body is arranged in the sleeve in a vertically sliding manner, the spring is fixed between the sleeve and the pin rod main body, and the tail part of the clamping hook 3 is fixed with the sleeve of the elastic positioning pin; the handle is fixed at the top of the pin rod main body, the handle is pulled upwards, the pin rod main body is pulled out from the positioning hole, the spring is stretched, the pin rod 41 slides along the arc-shaped sliding groove 43 at the moment, the clamping hook 3 can be driven to slide between the two fixing plates 42, the handle is loosened after the clamping hook rotates to the corresponding positioning hole, and the pin rod main body is downwards inserted into the corresponding positioning hole 44 under the action of the spring.
The hinge mechanism 4 comprises a pin rod 41 and two fixing plates 42 which are arranged in parallel up and down, the two fixing plates 42 are fixedly connected with the support frame 1, an arc-shaped sliding chute 43 is arranged on the fixing plate 42 on the upper part, and two positioning holes 44 which respectively correspond to the two ends of the arc-shaped sliding chute 43 up and down are arranged on the fixing plate 42 on the lower part; the pin rod 41 is arranged in the sliding groove in a sliding manner, and the bottom end of the pin rod 41 is movably inserted into any corresponding positioning hole 44; the tail part of the clamping hook 3 is fixedly connected with a pin rod 41 between two fixed plates 42. When the pin rod 41 is inserted into the positioning hole 44 far away from the buffer block 2, the clamping hook 3 is completely positioned on one side of the buffer block 2, so that the clamping hook 3 can be prevented from blocking the air door, and the air door can be conveniently opened; when the pin rod 41 is inserted into the positioning hole 44 close to the buffer block 2, the head of the hook 3 is arranged opposite to the buffer block 2, and the head of the hook 3 is clamped on the side of the air door, so that the air door can be prevented from being accidentally closed. The preferable pin rod 41 is a commercially available elastic positioning pin, the elastic positioning pin comprises a sleeve, a pin rod main body and a spring, the pin rod main body is arranged in the sleeve in a vertically sliding manner, the spring is fixed between the sleeve and the pin rod main body, and the tail part of the clamping hook 3 is fixed with the sleeve of the elastic positioning pin; the handle is fixed at the top of the pin rod main body, the handle is pulled upwards, the pin rod main body is pulled out from the positioning hole, the spring is stretched, the pin rod 41 slides along the arc-shaped sliding groove 43 at the moment, the clamping hook 3 can be driven to slide between the two fixing plates 42, the handle is loosened after the clamping hook rotates to the corresponding positioning hole, and the pin rod main body is downwards inserted into the corresponding positioning hole 44 under the action of the spring.
Example 2: the whole structure of the buffer is the same as that of the embodiment 1, and the difference is that as shown in fig. 2 to 4, the mining air door opening buffer comprises a support frame 1, a buffer block 2 and a clamping hook 3, the buffer block 2 is fixed on one side of the support frame 1, the horizontal rotating clamping hook 3 is hinged on the support frame 1 on one side of the buffer block 2 through a hinge mechanism 4, and the head of the clamping hook 3 is movably arranged relative to the buffer block 2. When the control cylinder of air door can normally operate, rotate trip 3 to the one side of keeping away from buffer block 2, the in-process of air door is opened to the cylinder, and the air door can strike buffer block 2, plays the cushioning effect to the air door through buffer block 2, prevents that the air door from directly striking the lane group and damaging air door or cylinder. Under the condition when stopping supple of gas and having a power failure manual work and opening or overhaul the air door, rotate the one side of keeping away from buffer block 2 with trip 3 before opening the air door, the air door is opened to the manual work to contact the back with buffer block 2, rotates the head with trip 3 to the position that head and buffer block 2 are relative, and at this moment, the head joint of trip 3 prevents that the air door from closing by oneself at the avris of air door.
Specifically, a bottom plate 5 is fixed at the bottom of the support frame 1, and the bottom plate 5 is fixed on a roadway bottom plate through an expansion bolt; the supporting frame 1 comprises a fixed frame 12, a movable frame 13 and a fixed piece 14, wherein the fixed frame 12 is vertically fixed at the top of the bottom plate 5; the buffer block 2 and the hinge mechanism 4 are arranged on one side of the movable frame 13, the lower part of the other side of the movable frame 13 is overlapped with the upper part of the fixed frame 12, and the lower part of the movable frame 13 is in up-and-down sliding contact with the upper part of the fixed frame 12; the whole support frame 1 is a Z-shaped support, and the movable frame 13 and the fixed frame 12 are Z-shaped supports and are mutually attached; the buffer block 2 and the hinge mechanism 4 are respectively arranged at the outer sides of two end brackets of the Z-shaped movable frame, and the fixed plate 42 of the hinge mechanism 4 is a sector plate fixed between the corresponding side plate and the middle plate; a reinforcing rib plate 6 is fixed between the inner side of the end part bracket and the middle part bracket of the Z-shaped bracket fixed with the buffer block 2, and the height of the clamping hook 3 on the movable frame 13 and the buffer block 2 from the ground can be adjusted by adjusting the relative height of the movable frame 13 and the fixed frame 12, so that the use requirements of air doors with different heights can be met; specifically, the higher the height of the air door is, the larger the distance between the corresponding hook and the buffer block 2 and the ground is, so that a better buffer limiting effect is achieved.
A fixing piece 14 is detachably connected between the movable frame 13 and the fixed frame 12, and the movable frame 13 and the fixed frame 12 can be fixedly connected through the fixing piece 14. Specifically, the fixed member 14 includes a screw 15 and a nut 16, a vertically arranged long hole 17 is formed in the movable frame 13, the fixed frame 12 is fixed with the screw 15 which is slidably arranged up and down along the long hole 17, and the nut 16 which is movably abutted against the movable frame 13 is screwed to the top end of the screw 15. Or as shown in this embodiment, the fixed member 14 includes a screw 15 and a nut 16, a vertically elongated hole 17 is formed in the fixed frame 12, the screw 15 vertically slidably disposed along the elongated hole 17 is fixed to the movable frame 13, and the nut 16 movably abutted against the fixed frame 12 is screwed to the tip of the screw 15. Through the up-and-down sliding of the screw rod 15 in the long hole 17, the relative heights of the movable frame 13 and the fixed frame 12 can be adjusted, and then the distances between the clamping hook 3 and the buffer block 2 and the ground are adjusted, so that the use requirements of air doors with different heights are met.
Example 3: the whole structure is the same as that of the embodiment 2, but the difference is that as shown in fig. 5 and fig. 6, the rear end of the buffer block 2 is fixed with one end of the adjusting screw 7, the other end of the adjusting screw 7 slides through the upper part of the movable frame 13 of the support frame 1, and the other end of the adjusting screw 7 is screwed with the adjusting nut 8; the buffer spring 9 is sleeved outside the adjusting screw 7 between the buffer block 2 and the support frame 1. Under the action of the buffer spring 9, the buffer block 2 can be pushed forwards, the adjusting screw 7 is tensioned, and the distance between the buffer block 2 and the clamping hook 3 can be adjusted by adjusting the position of the adjusting nut 8 on the adjusting screw 7; when the damper hits the damper block 2, the damper spring 9 is compressed, and the damping effect can be enhanced. In addition, in order to prevent impurities such as stones and debris from falling into the gap of the buffer spring 9 and ensure the normal extension and contraction of the buffer spring 9, a sleeve (not shown in the figure) may be fixed on the buffer frame opposite to the buffer block 2, and the rear end of the buffer block 2 is slidably disposed inside the front end of the sleeve.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (11)
1. Mining air door buffer that opens door, its characterized in that, it includes support frame, buffer block and trip one side of support frame is fixed with the buffer block one side of buffer block is articulated through hinge mechanism on the support frame have the level pivoted trip, the head of trip with the buffer block activity sets up relatively.
2. The mining air door opening buffer according to claim 1, wherein the hinge mechanism comprises a pin rod and two fixing plates arranged in parallel up and down, the two fixing plates are fixedly connected with the support frame, an arc-shaped chute is formed in the upper fixing plate, and two positioning holes which respectively correspond to two ends of the arc-shaped chute up and down are formed in the lower fixing plate; the pin rod is arranged in the sliding groove in a sliding mode, and the bottom end of the pin rod is movably inserted into any corresponding positioning hole; the tail part of the clamping hook is fixedly connected with the pin rod between the two fixing plates.
3. The mining air door opening buffer according to claim 2, wherein the pin rod is an elastic positioning pin, and the tail of the hook is fixed with a sleeve of the elastic positioning pin.
4. The mining air door opening buffer as claimed in any one of claims 1 to 3, wherein a bottom plate is fixed to the bottom of the support frame.
5. The mining air door opening buffer according to claim 4, wherein the supporting frame comprises a base, a fixed frame, a movable frame and a fixed piece, and the fixed frame is vertically fixed on the top of the base; the buffer block and the hinge mechanism are arranged on one side of the movable frame, the lower part of the other side of the movable frame is overlapped with the upper part of the fixed frame, and the lower part of the movable frame is in up-and-down sliding contact with the upper part of the fixed frame; the fixing piece is detachably connected between the movable frame and the fixed frame.
6. The mining air door opening buffer according to claim 5, wherein the fixed member comprises a screw rod and a nut, the fixed frame is provided with a vertically arranged long hole, the movable frame is fixed with a screw rod which is arranged along the long hole in a vertical sliding manner, and the top end of the screw rod is in threaded connection with the nut which is movably abutted against the fixed frame.
7. The mining air door opening buffer according to claim 5, wherein the fixed member comprises a screw rod and a nut, the movable frame is provided with a vertically arranged long hole, the fixed frame is fixed with a screw rod which is arranged along the long hole in a vertical sliding manner, and the top end of the screw rod is in threaded connection with the nut which is movably abutted against the movable frame.
8. The mining damper for opening a door according to claim 1, 2, 3, 5, 6 or 7, wherein the support frame is integrally a Z-shaped bracket.
9. The mining damper door opening bumper according to claim 8, wherein the bumper block and the hinge mechanism are respectively disposed outside of both end brackets of the Z-bracket.
10. The mining air door opening buffer according to claim 8, wherein a reinforcing rib plate is fixed between the inner side of the end bracket and the middle bracket of the Z-shaped bracket to which the buffer block is fixed.
11. The mining air door opening buffer according to claim 1, 2, 3, 5, 6, 7, 9 or 10, wherein the rear end of the buffer block is fixed with one end of an adjusting screw rod, the other end of the adjusting screw rod slides through the upper part of the support frame, and an adjusting nut is screwed at the other end of the adjusting screw rod; the buffer block with between the support frame adjusting screw's outside cover is equipped with buffer spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122842212.2U CN216429660U (en) | 2021-11-18 | 2021-11-18 | Mining air door opening buffer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122842212.2U CN216429660U (en) | 2021-11-18 | 2021-11-18 | Mining air door opening buffer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216429660U true CN216429660U (en) | 2022-05-03 |
Family
ID=81338139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122842212.2U Active CN216429660U (en) | 2021-11-18 | 2021-11-18 | Mining air door opening buffer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216429660U (en) |
-
2021
- 2021-11-18 CN CN202122842212.2U patent/CN216429660U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110829228A (en) | Ammeter safety protection case | |
| CN216429660U (en) | Mining air door opening buffer | |
| CN109779258A (en) | A kind of building construction protective fence | |
| CN220173527U (en) | Liquid crystal display screen capable of automatically cleaning screen dust | |
| CN110880698B (en) | High-voltage power distribution cabinet with protection function | |
| CN214068488U (en) | High-frequency transformer with protective structure | |
| CN210420952U (en) | Automatic unmanned post machine with intelligent voice recognition function | |
| CN210687703U (en) | Communication equipment convenient to maintenance | |
| CN109367697B (en) | A kind of ship mast structure | |
| CN219753098U (en) | Anti-collision protective fence for road and bridge | |
| CN208707809U (en) | A kind of outdoor monitoring equipment | |
| CN220853566U (en) | Building settlement observation device | |
| CN212377685U (en) | A shock absorber support for camera | |
| CN220057629U (en) | Steel construction bridge railing | |
| CN219081821U (en) | Impact-resistant chemical pump convenient to install | |
| CN215688710U (en) | Poultry fixing device for poultry epidemic disease detection | |
| CN218092692U (en) | Curtain wall with safety windowing sliding support | |
| CN220469487U (en) | Remove sentry box | |
| CN220205116U (en) | Detection device for electrical design of thermal power plant | |
| CN219285819U (en) | Portable warning and accident reporting device for police | |
| CN216540956U (en) | Electrified helmet lens drilling equipment | |
| CN219228023U (en) | Liquid crystal display with protection function | |
| CN218929829U (en) | Engineering survey and drawing unmanned aerial vehicle | |
| CN217631724U (en) | Safety protection frame is used in highway engineering construction | |
| CN213475303U (en) | Automobile maintenance supports thick stick |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240419 Address after: 017000 No.1, 340 meters northeast of Binhe Avenue, Ulanmulun Town, Ejin Horo Banner, Ordos City, Inner Mongolia Autonomous Region Patentee after: Ordos Shenlun Mining Machinery Equipment Co.,Ltd. Country or region after: China Address before: 017000 No. 48, building a, No. 15, jilaoqing North Road, Dongsheng District, Ordos, Inner Mongolia Autonomous Region Patentee before: Ordos Chao'an Mine Equipment Technology Development Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |