CN110040670B - Portable hydraulic device for opening pipeline well lid - Google Patents
Portable hydraulic device for opening pipeline well lid Download PDFInfo
- Publication number
- CN110040670B CN110040670B CN201910397574.XA CN201910397574A CN110040670B CN 110040670 B CN110040670 B CN 110040670B CN 201910397574 A CN201910397574 A CN 201910397574A CN 110040670 B CN110040670 B CN 110040670B
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- Prior art keywords
- jack
- limiting
- well lid
- walking frame
- lifting rod
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- 239000000725 suspension Substances 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 8
- 239000012530 fluid Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F19/00—Hoisting, lifting, hauling or pushing, not otherwise provided for
- B66F19/005—Lifting devices for manhole covers
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention discloses a portable hydraulic device for opening a pipeline well lid, which comprises a walking frame, a cover opening mechanism and a limiting mechanism, wherein the walking frame comprises a walking frame plate and a guide rod, the guide rod is arranged on the walking frame plate, the lower part of the walking frame plate is provided with a universal wheel, the cover opening mechanism comprises a jack and a lifting rod, the jack is arranged on the guide rod in a sliding way up and down, the lifting rod is connected to the top of a jack piston in a swinging way, the lower part of the lifting rod is provided with a notch inclined hook matched with a well lid notch, the notch inclined hook at the lower end of the lifting rod is matched with the well lid notch to hook the well lid notch, the lifting rod is upwards driven to open the well lid, and the lifting force is large at the moment and cannot touch a well lid supporting ring. Meanwhile, in order to better carry the jack, a walking frame plate and universal wheels are arranged, the bottom of the jack touches the ground, and the jacking reaction force acts on the ground. When the cover is not lifted, the cooperation of the limiting teeth and the limiting hooks ensures that the cover opening mechanism cannot slide downwards without any trouble, and the ground is not rubbed by the jack.
Description
Technical Field
The invention relates to the technical field of opening of pipeline well covers, in particular to a portable hydraulic device for opening the pipeline well cover.
Background
In heating power pipe network system, urban pipe network mostly buries under the road, when the compensator of inspection pipe network interface department, need open the pipeline well lid, as shown in fig. 4, the border is jagged well lid, but because the well lid receives factors such as vehicle rolls and influences, when actually opening the well lid operation, need the manual work with tools such as crowbar or simple and easy metal hook, there is the manpower to open or be difficult for opening the condition more, waste time and energy, cause well lid damage even, adopt the crowbar still probably to cause the damage of well lid backup ring, bring inconvenience for inspection work, need develop a simple, high-efficient, practical well lid opening device for solving this kind of problem.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a portable hydraulic device for opening a pipeline well lid, wherein a jack is hydraulic, a hydraulic lifting force of the jack is adopted to enable a lifting rod to ascend, a notch inclined hook at the lower end of the lifting rod is matched with a well lid notch, the lifting rod ascends to drive the well lid to be opened, the lifting force is larger at the moment, and a well lid supporting ring cannot be touched. Meanwhile, for better carrying the jack, the walking frame plate and the universal wheels are arranged, but in order to ensure that the universal wheels are not crushed, the cover opening mechanism needs to slide downwards along the guide rod, and the bottom of the jack touches the ground to enable the jacking reaction force to act on the ground. When the cover is not lifted, the cooperation of the limiting teeth and the limiting hooks ensures that the cover opening mechanism cannot slide downwards without any trouble, and the ground is not rubbed by the jack.
The technical scheme adopted for solving the technical problems is as follows:
The portable hydraulic device for opening the pipeline well cover is embedded on the ground, the well cover is arranged on a well cover supporting ring through a well cover rotating shaft, a well cover notch which is helpful to open is formed in the edge of the well cover, the portable hydraulic device comprises a walking frame, a cover opening mechanism and a limiting mechanism, the walking frame comprises a walking frame plate and a guide rod, the guide rod is arranged on the walking frame plate, a universal wheel is arranged at the lower part of the walking frame plate, the cover opening mechanism comprises a jack and a lifting rod, the jack is arranged on the guide rod in a sliding manner, the lifting rod is connected to the top of a jack piston in a swinging manner, and a notch inclined hook matched with the well cover notch is arranged at the lower part of the lifting rod;
The limiting mechanism comprises a limiting column arranged on the walking frame plate and a limiting plate hinged on the cover opening mechanism, and limiting teeth and limiting hooks which are matched with each other are respectively arranged on the limiting column and the limiting plate.
The bottom of the jack is fixed with a jack bottom plate, and the jack bottom plate is provided with a guide sleeve matched with the guide rod.
The lower part of the bottom plate of the jack is fixed with bearing legs, and the walking frame plate is provided with holes for the bearing legs to pass through.
The bearing legs are arc-shaped and matched with the well lid supporting ring.
The jack cylinder body is provided with a limiting plate shaft cylinder, the limiting plate is rotatably arranged in the limiting plate shaft cylinder through a limiting plate shaft, and a spring is arranged between the limiting plate and the jack cylinder body; the extending end of the limiting plate shaft is provided with a rotating handle.
The section of the limiting teeth is zigzag, the lower side surfaces of the limiting teeth incline upwards, and the limiting hooks are matched with the limiting teeth.
The top of the piston of the jack is provided with a cantilever, and the lifting rod is rotatably arranged at the suspension end of the cantilever through a lifting rod shaft.
The beneficial effects of the invention are as follows:
1. The jack adopts fluid pressure type, adopts the hydraulic pressure jacking force of jack to make the jacking rod go upward, and the breach inclined hook cooperation of jacking rod lower extreme hooks the well lid breach, and the jacking rod goes upward to drive the well lid and opens, and the jacking force of this moment is great, can not touch the well lid backing ring moreover. Meanwhile, for better carrying the jack, the walking frame plate and the universal wheels are arranged, but in order to ensure that the universal wheels are not crushed, the bottom of the jack touches the ground to apply the lifting reaction force on the ground when the cover opening mechanism slides down along the guide rod. When the cover is not lifted, the cooperation of the limiting teeth and the limiting hooks ensures that the cover opening mechanism cannot slide downwards without any trouble, and ensures that the jack cannot drag the ground to rub.
2. When the jacking rod is matched with the gap of the well cover, the jacking rod is arranged on one side of the jack, the inclined force can not be generated when the cover is opened, the guide sleeve can transfer the inclined force to the walking frame through the guide rod, and the inclined force is shared through the universal wheels of the walking frame.
3. The purpose that sets up the cantilever is guaranteed that the jacking rod can rotate certain angle, opens the oil return valve of jack when the cooperation well lid breach, and the jacking rod is rotatory certain angle to the jack, and the workman is pressing the jacking rod upper end simultaneously for jack piston descends to suitable position, and with the jacking rod turning back, then closes the oil return valve, shakes the rocking handle of jack, makes jack piston rise, drives the jacking rod and opens the well lid through breach oblique hook.
4. The jack described above protects the universal wheel and slides down when lifting up, the bearing leg at the lower part of the bottom plate of the jack plays a supporting role, the reaction force of the whole lifting force is transferred through the ground, and meanwhile, the reaction force can be transferred to the well lid supporting ring because the bearing leg is arc-shaped matched with the well lid supporting ring.
5. Because the spring supports the spacing post of limiting plate cooperation, the cooperation of spacing hook and spacing tooth guarantees that the mechanism of uncapping can only be through pulling the upper slide, and can not be because of the dead weight gliding, when rotating the rotating handle, drives spacing hook through the limiting plate axle and breaks away from spacing tooth, the jack can be because the dead weight gliding to the bearing leg touch ground or well lid backing ring like this.
Drawings
FIG. 1 is an overall assembly view of the present invention;
FIG. 2 is an assembled view of the door opening mechanism of the present invention;
FIG. 3 is a view of a limiting plate of the present invention;
Fig. 4 is an installation view of the manhole cover of the present invention.
In the figure: 1-walking frame, 2-uncapping mechanism, 3-stop mechanism, 4-ground, 5-well lid, 11-universal wheel, 12-walking frame plate, 13-guide arm, 21-jack, 22-cantilever, 23-lifting rod, 24-lifting rod shaft, 25-notch oblique hook, 26-jack bottom plate, 27-guide sleeve, 28-bearing leg, 31-spacing post, 32-spacing tooth, 33-stop plate, 34-spacing hook, 35-stop plate shaft barrel, 36-stop plate shaft, 37-rotating handle, 38-spring, 51-well lid notch, 52-well lid rotating shaft.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present invention will be described in detail below with reference to the following detailed description and the accompanying drawings. The following disclosure provides many different embodiments, or examples, for implementing different structures of the invention. In order to simplify the present disclosure, components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. It should be noted that the components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and processes are omitted so as to not unnecessarily obscure the present invention. The terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like refer to an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not denote or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the 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 present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The utility model provides a portable hydraulic means for pipeline well lid is opened, well lid 5 inlays on ground 4, well lid 5 is installed on the well lid supporting washer through well lid pivot 52, well lid 5 border is opened and is helped opening well lid breach 51, including walking frame 1, uncap mechanism 2, stop gear 3, walking frame 1 includes walking frame plate 12, guide arm 13 establishes on walking frame plate 12, walking frame plate 12 lower part is equipped with universal wheel 11, uncap mechanism 2 includes jack 21, jack-up rod 23, jack 21 slides from top to bottom and establishes on guide arm 13, jack-up rod 23 swing connection is at jack 21 piston top, jack-up rod 23 lower part is equipped with the breach oblique hook 25 of cooperation well lid breach 51; the limit mechanism 3 comprises a limit post 31 arranged on the walking frame plate 12 and a limit plate 33 hinged on the cover opening mechanism 2, wherein limit teeth 32 and limit hooks 34 which are matched with each other are respectively arranged on the limit post 31 and the limit plate 33.
The jack 21 adopts fluid pressure type, adopts the hydraulic jacking force of jack 21 to make jack-up lever 23 go upward, and the cooperation of the breach inclined hook 25 of jack-up lever 23 lower extreme catches on well lid breach 51, and jack-up lever 23 goes upward to drive well lid 5 and opens, and the jacking force at this moment is great, can not touch well lid support ring moreover. Meanwhile, for better carrying the jack 21, the walking frame plate 12 and the universal wheels 11 are arranged, but in order to ensure that the universal wheels 11 are not crushed, the bottom of the jack 21 touches the ground to apply a lifting reaction force to the ground 4 when the cover opening mechanism 2 slides down along the guide rod 13. When the cover is not lifted, the cooperation of the limiting teeth 32 and the limiting hooks 34 ensures that the cover opening mechanism 2 cannot slide down without any trouble, and ensures that the jack 21 cannot drag the ground.
The bottom of the jack 21 is fixed with a jack bottom plate 26, and the jack bottom plate 26 is provided with a guide sleeve 27 matched with the guide rod 13. The top of the piston of the jack 21 is provided with a cantilever 22, and a lifting rod 23 is rotatably arranged at the suspension end of the cantilever 22 through a lifting rod shaft 24.
When the lifting rod 23 is matched with the well cover notch 51, the lifting rod 23 is arranged on one side of the jack 21, so that the inclined force can be transferred to the walking frame 1 through the guide rod 13 by the guide sleeve 27 in order to avoid inclination during uncovering, and the inclined force can be shared by the universal wheels 11 of the walking frame 1.
The purpose of setting cantilever 22 is to guarantee that lifting rod 23 can rotate certain angle, opens the oil return valve of jack 21 when the cooperation well lid breach 51, and lifting rod 23 is rotated certain angle to jack 21, and the workman is pressing lifting rod 23 upper end simultaneously for jack 21 piston descends to suitable position, and with lifting rod 23 turning back, then closes the oil return valve, shakes the rocking handle of jack 21, makes jack 21 piston rise, drives lifting rod 23 and opens well lid 5 through breach oblique hook 25.
The lower part of the jack bottom plate 26 is fixed with a bearing leg 28, and the walking frame plate 12 is provided with a hole which is matched with the bearing leg 28 to pass through. The bearing legs 28 are arc-shaped and matched with the well cover supporting ring.
The jack 21 described above protects the universal wheel 11 to slide down when lifting up, the bearing legs 28 at the lower part of the jack bottom plate 26 play a supporting role to transfer the reaction force of the whole lifting force through the ground, and meanwhile, the bearing legs 28 are arc-shaped to match with the well lid supporting ring, so that the reaction force can be transferred to the well lid supporting ring.
The cylinder body of the jack 21 is provided with a limiting plate shaft cylinder 35, a limiting plate 33 is rotatably arranged in the limiting plate shaft cylinder 35 through a limiting plate shaft 36, and a spring 38 is arranged between the limiting plate 33 and the cylinder body of the jack 21; the extension end of the limiting plate shaft 36 is provided with a rotating handle 37. The cross section of the limiting teeth 32 is zigzag, the lower side surface of the limiting teeth 32 inclines upwards, and the limiting hooks 34 are matched with the limiting teeth 32.
Because the spring 38 supports the limiting plate 33 to be matched with the limiting column 31, the cooperation of the limiting hooks 34 and the limiting teeth 32 ensures that the cover opening mechanism 2 can only slide up through pulling and cannot slide down due to self weight, when the rotating handle 37 is rotated, the limiting hooks 34 are driven by the limiting plate shaft 36 to be separated from the limiting teeth 32, and thus the jack 21 can slide down due to self weight until the bearing legs 28 touch the ground 4 or the manhole cover supporting ring.
The above examples are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present invention should be made in the equivalent manner, and the embodiments are included in the protection scope of the present invention.
Claims (1)
1. The portable hydraulic device for opening the pipeline well lid is characterized in that the portable hydraulic device comprises a walking frame, a cover opening mechanism and a limiting mechanism, wherein the walking frame comprises a walking frame plate and a guide rod, the guide rod is arranged on the walking frame plate, the lower part of the walking frame plate is provided with a universal wheel, the cover opening mechanism comprises a jack and a lifting rod, the jack is arranged on the guide rod in a sliding manner, the lifting rod is connected to the top of a jack piston in a swinging manner, and the lower part of the lifting rod is provided with a notch inclined hook matched with the well lid notch;
The limiting mechanism comprises a limiting column arranged on the walking frame plate and a limiting plate hinged on the cover opening mechanism, and the limiting column and the limiting plate are respectively provided with a limiting tooth and a limiting hook which are mutually matched;
the bottom of the jack is fixedly provided with a jack bottom plate, and the jack bottom plate is provided with a guide sleeve matched with the guide rod;
the lower part of the bottom plate of the jack is fixedly provided with bearing legs, and the walking frame plate is provided with holes for the bearing legs to pass through;
The jack cylinder body is provided with a limiting plate shaft cylinder, the limiting plate is rotatably arranged in the limiting plate shaft cylinder through a limiting plate shaft, and a spring is arranged between the limiting plate and the jack cylinder body; the extending end of the limiting plate shaft is provided with a rotating handle;
the top of the piston of the jack is provided with a cantilever, and the lifting rod is rotatably arranged at the suspension end of the cantilever through a lifting rod shaft;
The bearing legs are arc-shaped and matched with the well lid supporting ring;
the section of the limiting teeth is zigzag, and the lower side surfaces of the limiting teeth incline upwards.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910397574.XA CN110040670B (en) | 2019-05-14 | 2019-05-14 | Portable hydraulic device for opening pipeline well lid |
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CN201910397574.XA CN110040670B (en) | 2019-05-14 | 2019-05-14 | Portable hydraulic device for opening pipeline well lid |
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CN110040670A CN110040670A (en) | 2019-07-23 |
CN110040670B true CN110040670B (en) | 2024-05-31 |
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CN201910397574.XA Active CN110040670B (en) | 2019-05-14 | 2019-05-14 | Portable hydraulic device for opening pipeline well lid |
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Families Citing this family (1)
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CN112723271B (en) * | 2021-01-13 | 2022-06-03 | 江西建邦建设集团有限公司 | Auxiliary lifting device for sewer well cover |
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