CN212245770U - Climbing device locking device and climbing device - Google Patents
Climbing device locking device and climbing device Download PDFInfo
- Publication number
- CN212245770U CN212245770U CN202020129588.1U CN202020129588U CN212245770U CN 212245770 U CN212245770 U CN 212245770U CN 202020129588 U CN202020129588 U CN 202020129588U CN 212245770 U CN212245770 U CN 212245770U
- Authority
- CN
- China
- Prior art keywords
- ratchet wheel
- frame
- locking device
- climber
- locking
- 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
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
Landscapes
- Tents Or Canopies (AREA)
Abstract
The utility model relates to a climbing device field especially relates to a climber locking device and climber. The climbing device locking device comprises a pressing mechanism and a locking mechanism; the locking mechanism comprises a ratchet wheel, a jaw and an adsorption part, and the adsorption part drives the jaw to rotate so that the other end of the jaw is clamped on the ratchet wheel or separated from the ratchet wheel; the ratchet wheel is attached to the guide tube through the pressing mechanism. The utility model provides a locking device of climbing device, which is provided with a ratchet wheel and is attached to a guide pipe, when a claw is clamped on the ratchet wheel, the ratchet wheel is self-locked, and then the relative position of the climbing device relative to the guide pipe can be locked; when the claw is separated from the ratchet wheel, the self-locking of the ratchet wheel is released, and the purpose that the climbing device moves relative to the guide pipe can be further achieved. Thus, the position of the climbing device relative to the guide pipe is locked, so that the film can be prevented from being pulled and deformed, the service life of the film is prolonged, and the use and maintenance cost of the film is reduced.
Description
Technical Field
The utility model relates to a climbing device field especially relates to a climber locking device and climber.
Background
At present, the existing climbing devices are not provided with a climbing device locking function, and only climb upwards or downwards along a climbing pipe along with film winding and film unwinding of a film winding machine, after the film winding machine stops winding the film, the climbing device also stops, and the film winding machine and a guide pipe are positioned by the tensile force of a film.
Therefore, the common phenomenon is that the film is pulled and deformed due to the gravity action of the film rolling machine and the climbing device, so that one end of the film rolling machine is hung, and the damage and the waste of the film are caused.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a locking device of climbing device can realize the auto-lock function of climbing device for the stand pipe, and then can avoid the film to be dragged and draw the deformation.
The utility model provides a locking device of a climbing device, which comprises a pressing mechanism and a locking mechanism; the locking mechanism comprises a ratchet wheel, a jaw and an adsorption part, and the adsorption part drives the jaw to rotate so that the other end of the jaw is clamped on the ratchet wheel or is separated from the ratchet wheel; the ratchet wheel is attached to the guide pipe through the pressing mechanism.
Further, the device also comprises a shell and a rack, wherein the rack is arranged in the shell; the ratchet wheel is connected to the rack through a connecting shaft; the shell is provided with an elongated slot, and the frame is movably connected in the elongated slot through the connecting shaft.
Furthermore, the jack catch articulates in the frame, the one end of jack catch with the adsorption part corresponds the setting, the other end of jack catch with the ratchet corresponds the setting.
Further, the ratchet wheel comprises two ratchet wheel sheets arranged along the axial direction of the ratchet wheel, a joint section is arranged between the two ratchet wheel sheets, and the peripheral surface of the joint section is matched with the peripheral surface of the upright post of the guide pipe.
Further, two the ratchet piece is connected through the retaining member the both sides of laminating section, laminating section passes through the bearing and rotationally connects on the connecting axle.
Further, the adsorption part comprises an electromagnet, the electromagnet is fixedly connected to the rack, or the electromagnet is fixedly connected to the shell, and the clamping jaws are made of magnetic materials.
Further, hold-down mechanism includes tight piece, top tight piece and elastic component, top tight piece rotationally connect on the shell, top tight piece sets up towards on the tight piece one side of frame, the both ends butt of elastic component is in top tight piece with on the frame.
Further, the pulley is rotatably connected to the shell, or the pulley is rotatably connected to the frame.
Further, the device also comprises a connecting frame, wherein the connecting frame is fixedly connected to the shell, or the connecting frame is fixedly connected to the rack.
According to another aspect of the present invention, there is also provided a climbing device, comprising a film rolling machine, and further comprising the climbing device locking device as described above; the climbing device locking device comprises a connecting frame, and the film rolling machine is detachably connected with the climbing device locking device through the connecting frame.
The utility model provides a locking device of climbing device, which is provided with a ratchet wheel and is attached to a guide pipe, when a claw is clamped on the ratchet wheel, the ratchet wheel is self-locked, and then the relative position of the climbing device relative to the guide pipe can be locked; when the claw is separated from the ratchet wheel, the self-locking of the ratchet wheel is released, and the purpose that the climbing device moves relative to the guide pipe can be further achieved. Thus, the position of the climbing device relative to the guide pipe is locked, so that the film can be prevented from being pulled and deformed, the service life of the film is prolonged, and the use and maintenance cost of the film is reduced.
Drawings
Fig. 1 is a schematic perspective view of a climber locking device provided by an embodiment of the present invention;
FIG. 2 is a schematic side view of a climber locking device provided by an embodiment of the present invention;
FIG. 3 is a schematic block diagram of the interior of a housing of a climbing device locking apparatus provided by an embodiment of the present invention;
fig. 4 is a schematic structural diagram of the separation of the pawl from the ratchet wheel provided by the embodiment of the present invention;
fig. 5 is a schematic structural diagram of the clamping connection between the pawl and the ratchet wheel provided by the embodiment of the present invention;
fig. 6 is a schematic structural diagram of a ratchet according to an embodiment of the present invention.
The reference numbers illustrate:
100. a claw; 102. a guide tube; 104. a housing; 106. a frame; 108. a connecting shaft; 110. a long groove; 112. a ratchet plate; 114. a fitting section; 116. an electromagnet; 118. a top tightening member; 120. a jacking block; 122. an elastic member; 124. a pulley; 126. and a connecting frame.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the utility model, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the utility model.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.
In embodiments of the invention, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
As shown in fig. 1 to 6, the utility model provides a locking device of a climbing device, which comprises a pressing mechanism and a locking mechanism; the locking mechanism comprises a ratchet wheel, a claw 100 and an adsorption part, wherein the adsorption part drives the claw 100 to rotate so that the other end of the claw 100 is clamped on the ratchet wheel or is separated from the ratchet wheel; the ratchet wheel is attached to the guide tube 102 by a hold-down mechanism.
The utility model provides a locking device of climbing device, which is provided with a ratchet wheel and is attached to a guide tube 102, when a claw 100 is clamped on the ratchet wheel, the ratchet wheel is self-locked, and then the relative position of the climbing device relative to the guide tube 102 can be locked; when the claw 100 is disengaged from the ratchet wheel, the self-locking of the ratchet wheel is released, and the purpose that the climbing device moves relative to the guide tube 102 can be achieved. Thus, by locking the position of the climbing device relative to the guide tube 102, the film can be prevented from being pulled and deformed, the service life of the film is prolonged, and the use and maintenance cost of the film is reduced.
Specifically, the pressing mechanism is used to press the ratchet wheel against the guide tube 102 with a suitable pressing force, so as to achieve a tight fit between the ratchet wheel and the guide tube 102.
The locking mechanism is used for locking or releasing the ratchet wheel, so that the purpose of driving the locking device of the climbing device to lock or move relative to the guide tube 102 is achieved through self-locking or rotation of the ratchet wheel.
In this embodiment, the locking mechanism specifically includes a ratchet wheel, a claw 100 and an adsorption portion, wherein the claw 100 is matched with the ratchet wheel to lock or unlock the ratchet wheel, and the adsorption portion is used to drive the claw 100 to move.
When the claw 100 is tightly clamped on the ratchet wheel, namely the claw 100 is clamped with the clamping teeth on the ratchet wheel, the ratchet wheel cannot rotate, and at the moment, the ratchet wheel is attached to the guide tube 102, so that the position of the climbing device locking device relative to the guide tube 102 is fixed, and the climbing device is locked on the guide tube 102; when the claw 100 is disengaged from the ratchet wheel, namely the claw 100 and the clamping teeth on the ratchet wheel are disengaged, the ratchet wheel can rotate, and at the moment, the climbing device locking device can move relative to the guide pipe 102 under the driving of the climbing device.
As shown in fig. 1 and 2, in the present embodiment, the climber locking device further comprises a housing 104 and a frame 106, the frame 106 being disposed within the housing 104; the ratchet wheel is connected to the frame 106 through a connecting shaft 108; the housing 104 has a slot 110, and the frame 106 is movably connected to the slot 110 via a connecting shaft 108.
The housing 104 is used for accommodating the locking device of the climbing device, in this embodiment, the housing 104 may be formed by bending a plate-shaped material, and the frame 106 is movably disposed inside the housing 104. The ratchet is rotatably connected to the frame 106 by a connecting shaft 108. For example, the connecting shaft 108 may be fixedly connected to the frame 106, and the ratchet may be disposed on the connecting shaft 108, so that a connection manner in which the ratchet rotates relative to the frame 106 may be formed.
In addition, as mentioned above, the ratchet is pressed against the guide tube 102 by the pressing mechanism, so that the degree of pressing between the ratchet and the guide tube 102 can be adjusted by the pressing mechanism, and the ratchet in this embodiment is movably connected with respect to the housing 104. Specifically, a long groove 110 may be formed in the housing 104, and the rotating shaft is inserted into the long groove 110, so that the frame 106 can move relative to the housing 104, and the frame 106 drives the ratchet to move, thereby achieving the purpose that the ratchet moves relative to the housing 104.
Further, in order to ensure the moving stability of the frame 106 relative to the housing 104, a plurality of connecting shafts 108 may be disposed on the frame 106, one of the connecting shafts 108 is used as the connecting shaft 108 for the ratchet and the frame 106, and the connecting shaft 108 also bears the connecting shafts 108 for the frame 106 and the housing 104, and the remaining connecting shafts 108 may all be used to define the moving direction of the frame 106 relative to the housing 104. For example, two parallel connecting shafts 108 may be disposed on the frame 106, the connecting shaft 108 on the right side as shown in fig. 2 is used as the connecting shaft 108 of the ratchet and the frame 106, and the connecting shaft 108 is also used to connect the frame 106 and the housing 104; and the left connecting shaft 108 as shown in fig. 2 may be used only as the connecting shaft 108 of the housing 104 and the rack 106. This improves the stability of the movement of the housing 106 relative to the housing 104.
Of course, in other embodiments, the connection between the ratchet and the rack 106, and the connection between the rack 106 and the housing 104 may be other connections, as long as the above-mentioned purpose can be achieved, which is not exemplified here.
As shown in fig. 4 and 5, the jaw 100 in this embodiment is substantially L-shaped, wherein the jaw 100 is hinged to the frame 106, one end of the jaw 100 is disposed corresponding to the adsorption part, and the other end of the jaw 100 is disposed corresponding to the ratchet wheel. In other words, the claw 100 is clamped on or separated from the ratchet wheel by the adsorption part.
In this embodiment, the suction unit includes an electromagnet 116, and the electromagnet 116 may be fixed to the chassis 106 or may be fixed inside the housing 104. Thus, in order to ensure that the electromagnet 116 can complete the attraction of the claw 100, the claw 100 in the present embodiment is made of a magnetic material, such as iron, for example.
Specifically, when the electromagnet 116 is electrified, one end of the claw 100, which is arranged corresponding to the electromagnet 116, is adsorbed, and the other end of the claw 100 is separated from the ratchet wheel, at this time, the ratchet wheel can rotate freely, and the climbing device can move relative to the guide pipe 102; when the electromagnet 116 is powered off, one end of the claw 100, which is arranged corresponding to the electromagnet 116, falls back under the action of self weight, the other end of the claw 100 is clamped on the ratchet wheel immediately, at the moment, the ratchet wheel is locked by the claw 100, and then the position of the climbing device relative to the guide pipe 102 is locked. Thus, the purpose of adjusting the position of the climbing device relative to the guide tube 102 can be achieved by switching on and off the electromagnet 116.
As shown in fig. 6, the ratchet comprises two ratchet pieces 112 arranged along the axial direction of the ratchet, an attaching section 114 is arranged between the two ratchet pieces 112, and the outer peripheral surface of the attaching section 114 is adapted to the outer peripheral surface of the upright column of the guide tube 102; the two ratchet plates 112 are connected to two sides of the attaching section 114 through locking members, and the attaching section 114 is rotatably connected to the connecting shaft 108 through a bearing.
In order to better ensure the ratchet wheel is jointed with the guide tube 102, the ratchet wheel is improved in the embodiment. Specifically, two ratchet plates 112 are disposed on two sides along the axial direction of the connecting shaft 108, and an attaching section 114 is disposed between the two ratchet plates 112, and the attaching section 114 is adapted to the shape of the ratchet plates 112, i.e., the attaching section 114 is also in an annular structure. The outer circumference of the attachment section 114 is adapted to the outer circumference of the guide tube 102 along the circumference of the attachment section 114. For example, the outer circumference of the guiding tube 102 is curved, and correspondingly, the outer circumference of the engaging section 114 is curved, thereby ensuring that the ratchet wheel is engaged with the outer circumference of the column of the guiding tube 102 better. The two ratchet plates 112 and the attaching section 114 can be connected by locking members such as screws.
In addition, in order to better ensure the rotation of the ratchet wheel, a bearing is further installed inside the attaching section 114, so that the friction force between the ratchet wheel and the connecting shaft 108 can be reduced, and the flexibility of the rotation of the ratchet wheel is ensured.
Referring to fig. 3, the pressing mechanism includes a pressing member 118, a pressing block 120, and an elastic member 122, the pressing member 118 is rotatably connected to the housing 104, the pressing block 120 is disposed on the pressing member 118 toward a side of the frame 106, and both ends of the elastic member 122 abut against the pressing block 120 and the frame 106.
The tightening member 118 may be a screw or other element, so that a threaded hole may be formed in the housing 104, the screw is inserted into the threaded hole, a tightening block 120 is fixedly connected to an end of the screw penetrating the housing 104, the elastic member 122 may be a spring or other element, and two ends of the spring respectively abut against the tightening block 120 and the frame 106. Therefore, when the screw is screwed into the casing 104, the frame 106 can be pushed tightly towards the direction of approaching the upright of the guide tube 102, and the frame 106 drives the ratchet wheel to cling to the upright of the guide tube 102. When the screw is screwed out of the housing 104, the pressing force between the frame 106 and the post of the guide tube 102 can be reduced, and the pressing force between the ratchet and the post of the guide tube 102 can be adjusted.
In addition, referring to FIG. 1, to ensure flexibility in the movement of the climber lock on the guide tube 102, the climber lock further includes a pulley 124, the pulley 124 being rotatably coupled to the housing 104, or the pulley 124 being rotatably coupled to the frame 106. Wherein, the pulley 124 may be provided in plurality, and the plurality of pulleys 124 may be provided at intervals along the axial direction and/or the height direction of the column of the guide tube 102.
Referring to fig. 1-3, the climber locking device further comprises a connecting frame 126, wherein the connecting frame 126 is fixedly connected to the housing 104 or the connecting frame 126 is fixedly connected to the frame 106. The purpose of the attachment frame 126 is to ensure that the film wrapping machine can be attached to the climber lock via the attachment frame 126.
According to another aspect of the utility model, there is also provided a climbing device, comprising a film rolling machine and a climbing device locking device as before; the climbing device locking device comprises a connecting frame 126, and the film rolling machine is detachably connected with the climbing device locking device through the connecting frame 126.
Specifically, the advantages of the locking device for a climbing device are also provided for the climbing device, and are not described herein. When the locking device of the climbing device is applied to the climbing device, the film can not be pulled and deformed in the use process of the climbing device, the service life of the film is prolonged, and the use and maintenance cost of the film is reduced.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The locking device of the climbing device is characterized by comprising a pressing mechanism and a locking mechanism;
the locking mechanism comprises a ratchet wheel, a jaw and an adsorption part, and the adsorption part drives the jaw to rotate so that the other end of the jaw is clamped on the ratchet wheel or is separated from the ratchet wheel;
the ratchet wheel is attached to the guide pipe through the pressing mechanism.
2. The climber locking device of claim 1, further comprising a housing and a frame, the frame disposed within the housing;
the ratchet wheel is connected to the rack through a connecting shaft;
the shell is provided with an elongated slot, and the frame is movably connected in the elongated slot through the connecting shaft.
3. The climber locking device as claimed in claim 2, wherein the jaw is hinged to the frame, one end of the jaw is disposed corresponding to the absorption portion, and the other end of the jaw is disposed corresponding to the ratchet wheel.
4. The climbing device locking device according to claim 2, wherein the ratchet wheel comprises two ratchet wheel pieces arranged along the axial direction of the ratchet wheel, an attaching section is arranged between the two ratchet wheel pieces, and the outer peripheral surface of the attaching section is adapted to the outer peripheral surface of the upright post of the guide tube.
5. The climbing device locking device according to claim 4, wherein two ratchet plates are connected to both sides of the attaching section through locking members, and the attaching section is rotatably connected to the connecting shaft through a bearing.
6. The climber locking device as claimed in claim 2, wherein the attraction portion comprises an electromagnet fixedly attached to the frame or the housing, and the jaws are made of a magnetic material.
7. The climber locking device as claimed in claim 2, wherein the hold-down mechanism comprises a top member rotatably connected to the housing, a top block provided on a side of the top member facing the frame, and an elastic member having both ends abutting against the top block and the frame.
8. The climber locking device of any one of claims 2 to 7, further comprising a pulley rotatably connected to the housing or rotatably connected to the frame.
9. The climber locking device of any one of claims 2 to 7, further comprising a connecting frame, wherein the connecting frame is fixedly connected to the housing or the connecting frame is fixedly connected to the frame.
10. A climber comprising a film rolling machine, characterized by further comprising the climber locking device as claimed in any one of claims 1 to 9; the climbing device locking device comprises a connecting frame, and the film rolling machine is detachably connected with the climbing device locking device through the connecting frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020129588.1U CN212245770U (en) | 2020-01-20 | 2020-01-20 | Climbing device locking device and climbing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020129588.1U CN212245770U (en) | 2020-01-20 | 2020-01-20 | Climbing device locking device and climbing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212245770U true CN212245770U (en) | 2020-12-29 |
Family
ID=73989820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020129588.1U Active CN212245770U (en) | 2020-01-20 | 2020-01-20 | Climbing device locking device and climbing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212245770U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113277385A (en) * | 2021-07-26 | 2021-08-20 | 西安沃祥航空科技有限公司 | Aerial refueling hose reel mechanism |
-
2020
- 2020-01-20 CN CN202020129588.1U patent/CN212245770U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113277385A (en) * | 2021-07-26 | 2021-08-20 | 西安沃祥航空科技有限公司 | Aerial refueling hose reel mechanism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212245770U (en) | Climbing device locking device and climbing device | |
| EP2765104A1 (en) | Housing device | |
| CN212450025U (en) | Cable laying uses quick tractor | |
| CN112850121B (en) | Conveying device and method for steel bars for house building | |
| CN213233452U (en) | Pile extractor and clutch thereof | |
| CN211366853U (en) | Stacking machine | |
| CN218037131U (en) | Power detection device for power construction | |
| CN117001629A (en) | Intelligent robot for carrying laboratory hazardous waste | |
| CN116026703A (en) | Toughness detector for cable production | |
| CN113156311A (en) | Motor locked-rotor testing device and testing method | |
| CN114094160A (en) | New energy automobile battery sectional fixture | |
| CN214421028U (en) | Motorcycle sprocket conveying equipment for protecting gear teeth | |
| CN112510619A (en) | Pole fixing device and electric power support equipment | |
| CN215665469U (en) | Two-way jacking device and conveying device | |
| CN219970075U (en) | Film releasing mechanism for packer | |
| CN215204511U (en) | Battery charging device | |
| CN219970073U (en) | Packing machine | |
| CN219448926U (en) | Detection positioning device of elevator speed limiter | |
| CN212267596U (en) | Universal transfer trolley for circuit breakers | |
| CN215297359U (en) | Point inspection device | |
| CN220395474U (en) | Balance weight door of electric door | |
| CN212656224U (en) | Pile extractor and clutch thereof | |
| CN219469473U (en) | Small-size equipment is transported and positioner in restricted space | |
| CN214359689U (en) | Rail clamping device convenient for installation and maintenance of elevator | |
| CN213903174U (en) | Heavy hammer lifting device of paint film impacter |
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: 100081 Beijing Haidian District Zhongguancun South Street 12, China Academy of Agricultural Sciences Germplasm Preservation Center Patentee after: Beijing Fenglong Technology Co.,Ltd. Address before: 100081 Beijing Haidian District Zhongguancun South Street 12, China Academy of Agricultural Sciences Germplasm Preservation Center Patentee before: BEIJING FENGLONGHUI TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |