CN111350399B - Flexible inflatable bag type vertical rod tool - Google Patents
Flexible inflatable bag type vertical rod tool Download PDFInfo
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- CN111350399B CN111350399B CN202010174151.4A CN202010174151A CN111350399B CN 111350399 B CN111350399 B CN 111350399B CN 202010174151 A CN202010174151 A CN 202010174151A CN 111350399 B CN111350399 B CN 111350399B
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- inflatable bag
- flexible inflatable
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/34—Arrangements for erecting or lowering towers, masts, poles, chimney stacks, or the like
- E04H12/347—Arrangements for setting poles in the ground
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Abstract
The invention provides a flexible air bag type pole erecting tool, which comprises: the flexible inflatable bag is used for fixing a fixing device of the flexible inflatable bag; and inflation means for inflating said flexible bladder; the flexible inflatable bag is provided with a supporting inclined plane, and the supporting inclined plane is provided with a locking device for fixing the electric pole; the flexible inflatable bag is used for pushing the electric pole to form a set angle with the horizontal plane after inflation. In the technical scheme, the flexible inflatable bag is used for inflating to support the electric pole, so that the electric pole can be erected conveniently, the flexible inflatable bag can not occupy a large space area, and the electric pole can be erected conveniently in a narrow space.
Description
Technical Field
The invention relates to the technical field of power grids, in particular to a flexible inflatable bag type pole erecting tool.
Background
With the increase of the construction and transformation force of a rural power distribution network in an electric power system, lines and transformer substations are erected in remote areas according to actual load conditions, and at present, in rural power grid construction projects, a crane is mostly adopted for erecting the lines.
Chinese utility model patent with publication number CN207697777U discloses a wire pole device convenient for transportation and installation, comprising a fixing frame, a sleeve is fixedly arranged at the middle part of the left side of the fixing frame, a push rod is arranged in the sleeve, the push rod is connected with the sleeve by screw thread, a handle is fixedly arranged at the left end of the push rod, a push plate is fixedly arranged at the right end of the push rod, screw rods are symmetrically arranged at the middle part of the side surface of the fixing frame, the screw rods are connected with the fixing frame by screw thread, a fixed block is fixedly arranged at the outer end of the screw rods, an arc-shaped ring is arranged at the other end of the screw rods, the arc-shaped ring is hinged with the screw rods, a universal wheel is symmetrically and fixedly arranged at the lower side of the fixing frame, a connecting block is fixedly arranged at the right, the gasbag is made for rubber materials and with fixed frame fixed connection, gasbag upside fixed surface installs the rotor plate, and the gyro wheel is evenly installed to the rotor plate inside, installs the pivot between rotor plate and the fixed frame, and open the fixed frame upside has the guide slot of using relatively with the rotor plate, and fixed frame downside middle part symmetry fixed mounting has the arc, and the arc is the same with the guide slot and under the arc.
Wherein, the screw rod drives the arc ring and is used for pressing from both sides tight fixedly to the wire pole, when installing the wire pole, the workman pushes away fixed frame to the position top of the hole of installation wire pole, make the arc promote the square of installation wire pole hole, then the workman switches on the battery, make electronic air pump work, electronic air pump will aerify the gasbag through the intake pipe, make the gasbag slowly expand, because rotor plate and fixed frame pass through pivot swivelling joint, when rotor plate 8 promotes the wire pole slow motion that makes progress this moment, make the angle of wire pole change gradually, finally make inside the wire pole is vertical inserts the arc, will make the arc lead to the wire pole and reach the hole inside, then the workman only need fill out the soil to the hole tamp can, the installation finishes.
In practice, however, vehicles (including cranes and work vehicles as disclosed in CN 207697777U) are subject to road and space constraints when performing work.
1. Under the condition of narrow roads, a large space is needed for supporting legs when the crane lifts, and the crane cannot lift in place in many remote areas.
2. After the crane is in place, a long time is needed to select a proper place to put legs and lift the boom.
3. In mountains, farmlands and other places, cranes or operation vehicles cannot be put in place, and often need to be erected and hoisted manually, so that time and labor are wasted, and great potential safety hazards are caused.
Whether a tool is used for replacing a crane or an operation vehicle and the traditional method can ensure that the safety, the reliability, the labor and the time are saved when the pole is erected, and large and medium auxiliary tools such as the crane or the operation vehicle are not needed.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a flexible air-filled bag type pole erecting tool.
The invention is realized by the following technical scheme:
the invention provides a flexible air bag type pole erecting tool, which comprises: the flexible inflatable bag is used for fixing a fixing device of the flexible inflatable bag; and inflation means for inflating said flexible bladder; wherein the content of the first and second substances,
the flexible inflatable bag is provided with a supporting inclined plane, and the supporting inclined plane is provided with a locking device for fixing the electric pole; the flexible inflatable bag is used for pushing the electric pole to form a set angle with the horizontal plane after inflation.
In the technical scheme, the flexible inflatable bag is used for inflating to support the electric pole, so that the electric pole can be erected conveniently, the flexible inflatable bag can not occupy a large space area, and the electric pole can be erected conveniently in a narrow space.
In a specific possible embodiment, the flexible inflatable bag is a right trapezoid structure, and the inclined plane of the right trapezoid is the supporting inclined plane. The electric pole is conveniently supported.
In a specific possible embodiment, the flexible inflatable bag has two side walls, and the two side walls comprise a flexible layer positioned at the inner layer and an abrasion-resistant layer wrapped outside the flexible layer. The reliability of the flexible inflatable bag is improved.
In a specific embodiment, the fixing device comprises at least three fixing bolts and a pulling rope connected with each fixing bolt, and one end of each pulling rope, which is far away from the corresponding fixing bolt, is fixedly connected with the flexible inflatable bag. The reliability of the flexible inflatable bag is improved.
In a specific possible implementation, the number of the fixing bolts is four, the number of the pulling ropes is also four, and the four pulling ropes are respectively connected with four corners of the flexible inflatable bag in a one-to-one correspondence manner. The stability of the flexible inflatable bag is improved.
In a specific possible embodiment, the locking device comprises a hoop, the hoop comprising: the two arc arms are oppositely arranged, each arc arm is fixedly connected with the flexible inflatable bag, and one ends of the two arc arms, far away from the flexible inflatable bag, are detachably and fixedly connected. The electric pole is convenient to fix.
In a specific possible embodiment, a rubber cushion corresponding to each arc-shaped arm is arranged on the flexible inflatable bag; and one end of each arc-shaped arm, which is fixedly connected with the flexible inflatable bag, is fixed on the rubber cushion. The reliability of the connection between the hoop and the flexible inflatable bag is improved.
In a specific possible embodiment, the two curved arms are fixed between the ends of the flexible balloon by means of a spring connection. The utility model is suitable for the poles of different sizes.
In a specific possible embodiment, the ends of the two arc-shaped arms far away from the flexible inflatable bag are detachably connected through a bolt component, and the bolt component is an adjustable component. The utility model is suitable for the poles of different sizes.
In a specific embodiment, the pin assembly comprises a pin and a plug pin; the plug pin is provided with a plurality of jacks along the length direction, and the contact pin is selectively inserted into any one of the jacks. A detachable connection is realized.
Drawings
Fig. 1 is a schematic structural diagram of a flexible inflatable bag type pole erecting tool provided by an embodiment of the invention;
FIG. 2 is a top view of a flexible inflatable-bag pole setting tool provided by an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a hoop according to an embodiment of the present invention;
fig. 4 is a schematic view illustrating fixing of the hoop according to the embodiment of the present invention;
FIG. 5 is a reference view of the use of a flexible inflatable bladder in accordance with an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural view of a flexible inflatable 10-type pole erecting tool provided by the present invention, and fig. 2 is a top view of the flexible inflatable 10-type pole erecting tool. As can be seen from fig. 1 and 2, the flexible inflatable 10-type pole erecting tool provided by the embodiment of the present application mainly comprises three parts: a fixing device, an inflating device 30 and a flexible inflating bag 10, wherein the fixing device is used for fixing the flexible inflating bag 10, the inflating device 30 is used for inflating the flexible inflating bag 10, and the flexible inflating bag 10 is used for lifting the electric pole. The following detailed description is to be read with reference to the drawings and the specific examples.
With continued reference to fig. 1 and 2, fig. 1 and 2 illustrate the shape of the flexible bladder 10 after inflation. First, describing the flexible airbag 10, the flexible airbag 10 provided in the embodiment of the present application has a supporting inclined surface, as shown in fig. 1, the flexible airbag 10 has a right trapezoid structure, the flexible airbag 10 has three vertical supporting surfaces, and a supporting inclined surface, wherein the right trapezoid inclined surface is the supporting inclined surface, the locking device is disposed on the supporting inclined surface, and the flexible airbag 10 has an inflation port disposed on a surface of the flexible airbag 10 away from the supporting inclined surface. The inflation port may be connected to the inflation device 30. for example, the inflation device 30 may be selected from a gas pump, a pressurizing device, and the like that can compress and inflate air into the flexible airbag 10. In addition, the connection between the inflation port and the inflation device 30 may be a conventional pipe connection, such as a quick-connect socket or other known connection, and will not be described in detail herein.
With continued reference to fig. 1, the flexible airbag 10 provided in the embodiments of the present application, when installed, has two sidewalls, wherein the outer layer is made of a wear-resistant layer made of a material with relatively good wear-resistant property, such as rubber or resin; the inner layer is a flexible layer, and is made of plastic materials. It should be understood that the materials of the wear-resistant layer and the flexible layer are only an example, and the materials of the wear-resistant layer and the flexible layer in the embodiments of the present application are not particularly limited. When specifically setting up wearing layer and flexible layer, the flexible layer of wearing layer parcel, the flexible layer is as an inner bag, and the skin is as a protective layer. During inflation, the inflator 30 inflates the flexible layer, which when inflated, supports the wear layer into a trapezoidal configuration as shown in FIG. 1.
With continued reference to fig. 1 and 2, the support slope of the flexible air-filled bag 10 provided in the embodiments of the present application is provided with a locking device for fixing the electric pole. The specific location of the locking means on the support ramp may be as desired. The structure of the locking device can refer to fig. 3 and 4, and referring to fig. 3 first, the locking device provided in the embodiment of the present application includes an anchor ear 20, the anchor ear 20 includes a first arc-shaped arm 23 and a second arc-shaped arm 22, and the first arc-shaped arm 23 is opposite to the second arc-shaped arm 22, wherein each arc-shaped arm is fixedly connected with the flexible air-filled bag 10, and when the flexible air-filled bag 10 is specifically connected, a rubber cushion 25 corresponding to each arc-shaped arm is arranged on the flexible air-filled bag 10; one end of each arc-shaped arm fixedly connected with the flexible inflatable bag 10 is fixed on the rubber cushion 25. So that the reliability of the connection between the curved arms and the flexible airbag 10 can be improved.
With continued reference to FIG. 3, the first and second curved arms 23 and 22 are removably secured to the end of the flexible bladder 10 remote therefrom. Referring to fig. 3 and 4 together, the ends of the first curved arm 23 and the second curved arm 22 away from the flexible airbag 10 are detachably connected by a latch assembly, which is an adjustable assembly as shown in fig. 4. Illustratively, the plug pin assembly includes a plug pin 21 and a plug pin 26; the plug 21 is provided with a plurality of insertion holes along the length direction, and the pin 26 is selectively inserted into any one of the plurality of insertion holes. When using, open first arc arm 23 and second arc arm 22, put into staple bolt 20 with the pole, later draw first arc arm 23 and second arc arm 22 close together, insert first arc arm 23 and second arc arm 22 with bolt 21 to insert contact pin 26 in the one end that bolt 21 exposes, the one end of this contact pin 26 is connected with the connection rope, so that contact pin 26 breaks away from with bolt 21 through drawing to connect the rope and make contact pin 26 and bolt 21 break away from, with first arc arm 23 and second arc arm 22 unblock.
With continued reference to FIG. 3, first and second curved arms 23 and 22 are secured between the ends of flexible bladder 10 by a spring 24. The spring 24 is a tension spring, one end of which is fixed on the first arc-shaped arm 23, and the other end of which is fixed on the second arc-shaped arm 22. So that the first arc-shaped arm 23 and the second arc-shaped arm 22 can be conveniently opened, when the first arc-shaped arm 23 and the second arc-shaped arm 22 are opened, the spring 24 is compressed, and when the electric pole is placed into the hoop 20, the elastic force of the spring 24 pushes the first arc-shaped arm 23 and the second arc-shaped arm 22 to be close. Simultaneously when adopting spring 24 and bolt subassembly's cooperation mode, can be so that staple bolt 20 is applicable to not unidimensional pole, improved the application provided flexible gas cell 10 formula pole setting instrument's suitability.
With continued reference to FIG. 1, the flexible inflatable bag 10 provided in the embodiments of the present application needs to be fixed during use, and the specific fixing device can be implemented in different manners, such as the fixing device includes at least three fixing pegs 40 and a pulling rope 50 connected to each fixing peg 40, and one end of each pulling rope 50 far from the corresponding fixing peg 40 is fixedly connected to the flexible inflatable bag 10. Of course, the number of the pulling ropes 50 and the fixing bolts 40 is not limited in the embodiment of the present application, for example, in fig. 4, the number of the fixing bolts 40 is four, the number of the pulling ropes 50 is also four, and the four pulling ropes 50 are respectively connected to four corners of the flexible airbag 10 in a one-to-one correspondence manner. To improve the stability of the flexible bladder 10.
According to the first preferred embodiment of the present invention, the flexible airbag 10 forms a right trapezoid structure after being inflated, wherein the acute base angle A of the right trapezoid is equal to or slightly larger than
H is the standard height of a pole pit for bearing the electric pole, and L is the standard side length of the pole pit. In this case, in actual use, the electric pole can be automatically slid down to the center position of the standard pole pit.
According to the second preferred embodiment of the present invention, the flexible airbag 10 forms a right trapezoid structure after being inflated, wherein the acute base angle A of the right trapezoid is much larger than that of the right trapezoid
For example 80 degrees or more, where H is the standard height of the pole pit carrying the pole and L is the standard side length of the pole pit. In this case, in practical use, the electric pole is inflated first100 is at an angle to the horizontal
The hoop 20 is loosened so that the pole automatically slides down to the center position of the standard pole pit. The hoop 20 is then closed and the inflation continues so that the pole is vertical at the center of the pole pit.
According to a third preferred embodiment of the present invention, the pole erecting tool further comprises an additional air bag located above the hoop of the trapezoidal slope of the flexible air bag 10. The additional air bag is connected with the flexible inflatable bag through a valve arranged outside. The additional bladder is capable of receiving gas from the flexible bladder with the valve open. In the right-angled trapezoidal structure of the flexible airbag 10 formed after inflation, the acute base angle a of the right-angled trapezoidal shape is equal to or slightly larger than
H is the standard height of a pole pit for bearing the electric pole, and L is the standard side length of the pole pit. In this case, in actual use, the electric pole can automatically slide down to the center of the standard pole pit only when the flexible inflatable bag is inflated. When the valve is opened, the additional air bag is inflated; when the additional air bag is inflated, the electric pole is pushed to continue to stand upright; when the additional air bag is full of air, the angle between the electric pole and the horizontal plane is more than 80 degrees. Further, the outside of additional gasbag is interior arc with the pole contact surface to can avoid the pole to remove to a certain extent.
To facilitate understanding of the flexible inflatable bag 10 type pole erecting tool provided in the embodiments of the present application, the following description will be provided to describe the specific operation process thereof. As shown in fig. 5, a pole pit 200 is dug at a position where the pole 100 needs to be erected, the flexible airbag 10 is laid at a reasonable position on a berm (a road for construction where the vertical pole 100 is arranged) near the pole pit 200, so that the support slope of the flexible airbag 10 faces the pole pit 200, a firmer ground fixing bolt 40 is found, and the hauling cable 50 is straightened and tied to the fixing bolt 40; fix pole 100 in annular staple bolt 20 to insert contact pin 26 in suitable position according to the thickness of pole 100, simultaneously, close to the top slightly position at pole 100 and tie four stay cords, control pole 100 direction by four personnel.
According to the first preferred embodiment of the present invention, slow inflation is performed by the inflator 30, and after the flexible airbag 10 is filled, reference is made to the structure shown in fig. 4. After the flexible airbag 10 is filled with air, the pull cord 27 is pulled to release the pin 26 and the pole 100 is slid into the pole pit 200. The pole 100 is erected manually; the inflation port valve is released, and the air in the flexible inflatable bag 10 is slowly released.
According to the second preferred embodiment of the present invention, when the flexible air bag 10 is partially filled with air and the operator observes and evaluates that the electric pole 100 is slipped down to the center of the pole pit 200, the operator pulls the pulling rope 27 to release the inserting pin 26, and the electric pole 100 is slipped into the pole pit 200. The air inflation is continued and the pole 100 is erected manually by the force of the flexible air-filled bag 10. Finally, the inflation port valve is released, and the air in the flexible inflatable bag 10 is slowly released. In this embodiment, labor can be saved compared to the first preferred embodiment, since the air bag still provides the force to push the pole.
According to the third preferred embodiment of the present invention, slow inflation is performed by using the inflator 30, and after the flexible airbag 10 is filled, reference is also made to the structure shown in fig. 4. After the flexible airbag 10 is filled with air, the pull cord 27 is pulled to release the pin 26 and the pole 100 is slid into the pole pit 200. Then the valve between the flexible air bag and the additional air bag is opened, so that the additional air bag is also inflated, and the electric pole 100 is erected manually by the force of the flexible air bag 10. Finally, the inflation port valve and the additional air bag valve are released, and the air in the flexible inflatable bag 10 and the additional air bag is slowly released. In this embodiment, labor can be saved compared to the first preferred embodiment, since the air bag still provides the force to push the pole. Compared with the first preferred embodiment, the method does not need to estimate the actual slipping of the electric pole manually through experience, and is more convenient.
The embodiment of the application does not limit the specific structure of the packway, and does not limit the specific laying position of the flexible inflatable bag 10 on the packway. In practical use, as long as it is ensured that after the flexible airbag 10 is laid, fixed and inflated, the plane of the support slope thereof intersects with the opening of the pole pit 200, so that the end of the pole 100 can be inserted into the pole pit 200.
As can be seen from the above description, the flexible air bag 10 of the present embodiment can be used to push the electric pole 100 to form a set angle with the horizontal plane after being inflated, i.e. the acute base angle a of the right trapezoid. The invention has the advantages of reasonable and simple structure, easy manufacture, low production cost, no environmental pollution, convenient operation and use, safety and reliability during pole erecting and high working efficiency. The tool is not limited by fields and can be used in complex terrains such as mountainous regions, farmlands and the like; the operation is convenient, and the charging type blower or the exhaust hole of the motor vehicle can be used for charging air; the weight is light, and two people can carry the chair; the stability is high, four corners are fixed when the tool is used, and the tool is ensured not to move; the tool is economical and durable, and the outer layer is made of wear-resistant materials, so that the service life of the tool can be greatly prolonged; the rubber cushion 25 arranged in the annular hoop 20 ensures that the electric pole 100 is not worn; the pin 26 is connected with a pull rope 27, so that the circular hoop 20 can be loosened on the ground, and meanwhile, the spring 24 stretches to spring the circular hoop 20 open, so that the electric pole 100 is separated from the tool, and people do not need to climb to a high place to unbundle.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a flexible air bag formula pole setting instrument which characterized in that includes: the flexible inflatable bag is used for fixing a fixing device of the flexible inflatable bag; and inflation means for inflating said flexible bladder; wherein the content of the first and second substances,
the flexible inflatable bag is provided with a supporting inclined plane, and the supporting inclined plane is provided with a locking device for fixing the electric pole; the flexible inflatable bag is used for pushing the electric pole to form a set angle with the horizontal plane after being inflated; the set angle is equal to or slightly larger than
H is the standard height of a pole pit for bearing the electric pole, and L is the standard side length of the pole pit;
the flexible inflatable bag is of a right-angle trapezoidal structure and is provided with three vertical supporting surfaces and a supporting inclined surface, wherein the inclined surface of the right-angle trapezoidal structure is the supporting inclined surface, the locking device is arranged on the supporting inclined surface, the flexible inflatable bag is provided with an inflation inlet, and the inflation inlet is arranged on one surface of the flexible inflatable bag, which is far away from the supporting inclined surface;
locking device includes the staple bolt, the staple bolt includes: the two opposite arc-shaped arms are respectively a first arc-shaped arm and a second arc-shaped arm, each arc-shaped arm is fixedly connected with the flexible inflatable bag, and one ends of the two arc-shaped arms, which are far away from the flexible inflatable bag, are detachably and fixedly connected; the flexible inflatable bag is provided with a rubber cushion corresponding to each arc-shaped arm; one end of each arc-shaped arm fixedly connected with the flexible inflatable bag is fixed on the rubber cushion; the two arc-shaped arms are fixed between the end parts of the flexible inflatable bags and are connected through springs; one ends of the two arc-shaped arms far away from the flexible inflatable bag are detachably connected through a bolt component; the plug pin assembly comprises a plug pin and a plug pin; the plug pin is provided with a plurality of jacks along the length direction, and the contact pin is selectively inserted into any one of the jacks.
2. The flexible inflatable bag type pole erecting tool as recited in claim 1, wherein said flexible inflatable bag is a right trapezoid structure, and the inclined plane of said right trapezoid is said supporting inclined plane.
3. The flexible inflatable bag pole setting tool of claim 1, wherein the flexible inflatable bag has two layers of sidewalls, the two layers of sidewalls comprising a flexible layer located on an inner layer and a wear layer wrapped outside the flexible layer.
4. The flexible inflatable bag pole setting tool of claim 1, wherein the securing device comprises at least three securing latches and a pull cord connected to each securing latch, and an end of each pull cord remote from the corresponding securing latch is fixedly connected to the flexible inflatable bag.
5. The flexible inflatable bag type vertical rod tool as claimed in claim 4, wherein the number of the fixing bolts is four, the number of the pulling ropes is also four, and the four pulling ropes are respectively connected with four corners of the flexible inflatable bag in a one-to-one correspondence manner.
6. The flexible inflatable bladder type pole setting tool as claimed in claim 1, wherein the latch assembly is an adjustable assembly.
7. The flexible inflatable bag type pole erecting tool as recited in claim 6, further comprising an additional air bag located above the hoop of the trapezoidal slope of the flexible inflatable bag; the additional air bag is connected with the flexible inflatable bag through a valve arranged outside; when the additional air bag is full of air, the angle between the electric pole and the horizontal plane is pushed to be more than 80 degrees.
8. A flexible inflatable vertical rod tool according to any of claims 1-6, wherein said set angle is equal to or slightly larger than
Is replaced by the set angle being more than 80 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010174151.4A CN111350399B (en) | 2020-03-13 | 2020-03-13 | Flexible inflatable bag type vertical rod tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010174151.4A CN111350399B (en) | 2020-03-13 | 2020-03-13 | Flexible inflatable bag type vertical rod tool |
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| Publication Number | Publication Date |
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| CN111350399A CN111350399A (en) | 2020-06-30 |
| CN111350399B true CN111350399B (en) | 2021-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010174151.4A Active CN111350399B (en) | 2020-03-13 | 2020-03-13 | Flexible inflatable bag type vertical rod tool |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113655256B (en) * | 2021-07-07 | 2022-05-27 | 国网浙江省电力有限公司 | Air cushion type buffer device, extra-high voltage generator and vertical lifting method |
| CN114482682B (en) * | 2022-03-18 | 2023-11-10 | 河南省泰贸照明科技工程有限公司 | Street lamp adjusting and installing equipment |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5794387A (en) * | 1997-03-20 | 1998-08-18 | Musco Corporation | Device and method to lift and manipulate poles which are mounted onto a base |
| US5927925A (en) * | 1998-06-10 | 1999-07-27 | Reliant Energy Incorporated | Pole setting guide |
| EP2628510B1 (en) * | 2008-01-16 | 2017-11-01 | BDZ Holdings Ltd | Tubular member |
| CN202329436U (en) * | 2011-11-08 | 2012-07-11 | 秦皇岛天秦塑胶工业有限公司 | Self-closed rigid hoop |
| CN109534212A (en) * | 2017-09-21 | 2019-03-29 | 江苏华夏知识产权服务有限公司 | Inflated jack |
| CN207697777U (en) * | 2017-12-20 | 2018-08-07 | 山东科技大学 | A kind of electric wire lever apparatus being readily transported installation |
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2020
- 2020-03-13 CN CN202010174151.4A patent/CN111350399B/en active Active
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