CN210710638U - Hoisting clamp of well lid milling machine - Google Patents
Hoisting clamp of well lid milling machine Download PDFInfo
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- CN210710638U CN210710638U CN201921172171.7U CN201921172171U CN210710638U CN 210710638 U CN210710638 U CN 210710638U CN 201921172171 U CN201921172171 U CN 201921172171U CN 210710638 U CN210710638 U CN 210710638U
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- tensioning
- lifting
- milling machine
- well lid
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- 239000004575 stone Substances 0.000 claims abstract description 5
- 230000001737 promoting effect Effects 0.000 abstract description 3
- 238000007689 inspection Methods 0.000 description 9
- 230000007246 mechanism Effects 0.000 description 6
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
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- 230000002093 peripheral effect Effects 0.000 description 1
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Abstract
The utility model discloses a stone tongs of well lid milling machine, including lifting disk and straining device, straining device is including locating the tensioning piece of lifting disk, and the outside roof pressure piece of tensioning piece is located to nut and cover, tensioning piece and roof pressure piece clearance fit, and the nut revolves in tensioning piece, and straining device is equipped with two sets ofly, locates the lifting disk both sides respectively. Set up two sets of straining device through the symmetry, two nuts of screwing extrude well head inner wall, four summits are the even atress simultaneously, are difficult for appearing the single-point slippage phenomenon when promoting the lifting disk.
Description
Technical Field
The utility model relates to an anchor clamps field, more specifically the theory that says so, it relates to a stone tongs of well lid milling machine.
Background
The following background is provided to aid the reader in understanding the present invention and is not admitted to be prior art.
In cities, a plurality of inspection wells are arranged due to the requirements of water supply, electric power, telecommunication, gas pipelines and the like; generally, the weakest and easily damaged parts of the inspection well are an inspection well cover seat and a marginal road surface. At present, the technical scheme for repairing the inspection well cover seat and the edge is that the inspection well cover seat is separated from the peripheral cement road surface, and then the inspection well cover seat is taken out by utilizing a clamp.
The existing tool clamp principle for extracting the inspection well seat adopts a spiral tensioning principle, four jacks of the tool are forced to extrude the inner wall of a well mouth through nut tensioning, and the four jacks are fixed on the inner wall of the well mouth through friction force.
The hoisting clamp of the well lid milling machine known at present has the main defects that: 1) the single nut is tensioned, four top heads are stressed unevenly, only three points or two points can be tightly propped under the actual condition, and one top point is easy to slip off when the lifting is carried out; 2) a single nut tensioning, failing to provide adequate tightening force, or a single nut design that is very large and cumbersome.
Disclosure of Invention
An object of the utility model is to provide a make four summits evenly atress simultaneously, be difficult for appearing the stone tongs of well lid milling machine of single-point slippage phenomenon during the promotion.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a stone tongs of well lid milling machine, includes lifting disk and straining device, and straining device is including locating the tensioning piece of lifting disk, and the outside roof pressure piece of tensioning piece is located to nut and cover, tensioning piece and roof pressure piece clearance fit, and the nut revolves in tensioning piece, and straining device is equipped with two sets ofly, locates the lifting disk both sides respectively. Straining device sets up two sets ofly, and every group all has tensioning piece, nut and roof pressure piece, and during the use, the one end top of two tensioning pieces is at the well head inner wall, and the other end makes the roof pressure piece extrusion well head inner wall that corresponds separately through screwing two nuts respectively, so, straining device's four tip top tight well head inner walls, four summits are the even atress simultaneously, are difficult for appearing the single-point slippage phenomenon when promoting the lifting disk, and provide sufficient pretightning force. The two nuts are simpler and lighter than a single nut in structure, are convenient to operate and are easy to screw.
Preferably, the tensioning member has a threaded section, the threaded section is a cylinder, the nut is in threaded fit with the threaded section, and the jacking member is provided with a sliding hole in clearance fit with the threaded section. The outer diameter of the nut is larger than the inner diameter of the sliding hole, the thread section is located in the sliding hole, and the jacking piece extrudes the well wall by screwing the nut. The threaded section and the sliding hole are both provided with certain lengths, so that the inspection well base extraction requirements of different sizes are met.
Preferably, the tensioning piece includes the stiff end, and stiff end tip and roof pressure spare tip all are equipped with the top, and the top includes department of keeping out and portion of inserting, and the portion of inserting is the wedge, and the department of keeping out is the plane perpendicular with the wedge. The tensioning piece is only provided with the nut and the jacking piece which can move freely at one end, so that the jacking requirement is met, and the operation is more convenient. After the well wall is tightly jacked, the inserting part can be embedded into the inner side of the well wall, the lifting friction force is increased, slipping is prevented, and meanwhile, the jacking part is prevented from rotating.
Preferably, the lifting disc is provided with sleeve plates on two sides, the tensioning part is sleeved with the sleeve plates, and the sleeve plates are in clearance fit with the tensioning part. The lifting disc and the tensioning piece can move relatively, and the center position of the lifting disc relative to the wellhead is easy to adjust.
Preferably, the lagging is opened there is the rectangular hole, and the tensioning piece has the removal section, and removal section cross-section is for the rectangle with the lagging complex, and the removal section outside is located to the lagging cover. Wherein, the rectangle can be square, rectangle, and the rectangle removes section and rectangular hole cooperation, prevents that the tensioning piece from rotating. It is to be understood that the aperture shape of the deck is not limited to a rectangle, for example, a triangle, a diamond, a polygon, or an irregular angular shape. The fixed end and the thread section are positioned at two opposite ends of the movable section, and the nut is positioned between the movable section and the jacking part.
Preferably, the clamp is provided with a handle, the handle is fixed with the lifting disc through a connecting piece, and the connecting piece is provided with a plurality of mounting holes. Preferably, the mounting holes are formed in a plurality of rows and a plurality of columns, and are distributed at equal intervals from row to row and from column to column. The handle passes through the bolt and installs on the lifting disk, and the staff can carry the anchor clamps through the handle and take. The handle is adjustable up and down, left and right, and the handle is guaranteed to be clamped on the well edge during use, so that the clamp is prevented from falling into the well in the operation process.
Preferably, the handle is parallel to the tensioning member, the length of the handle being greater than the length of the tensioning member. Further ensuring that the handle card can be stuck on the well edge.
Preferably, the lifting disc is the cuboid, and the handle is equipped with a plurality ofly, and a plurality of handle symmetric distribution are in lifting disc four corners, and including the handle, the tensioning is outside. The symmetrically distributed handles are beneficial to the stable clamping of the clamp on the well edge.
Preferably, the lifting disc is provided with a lifting hole in the center for lifting, and the tensioning mechanisms are symmetrically arranged along the center of the lifting hole.
The technical advantages of the utility model reside in that:
1) set up two sets of straining device through the symmetry, two nuts of screwing extrude well head inner wall, four summits are the even atress simultaneously, are difficult for appearing the single-point slippage phenomenon when promoting the lifting disk.
2) Two nuts are changed into by single nut adjustment, so that not only is enough jacking force provided, but also the specification of the nut is reduced, the structure is simple and convenient, and the nut is easy to screw.
3) The lifting disc can move relative to the tensioning piece, so that the lifting disc can be adjusted to the gravity center position more easily, and the lifting disc is not inclined.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a cross-sectional view taken along the line a-a in fig. 2.
The labels in the figure are: the lifting disc 1, the sleeve plate 11, the rectangular hole 111, the tensioning mechanism 2, the tensioning member 21, the threaded section 211, the fixed end 212, the moving section 213, the nut 22, the jacking member 23, the sliding hole 231, the jacking head 24, the abutting part 241, the inserting part 242, the handle 3, the connecting member 31, the mounting hole 311 and the lifting hole 4.
Detailed Description
The structures referred to in the present invention or these terms of art used are further described below. These illustrations are merely exemplary of how the present invention may be implemented and are not intended to limit the present invention in any way.
As shown in fig. 1-3, a lifting fixture of a well lid milling machine includes a lifting plate 1 and a tensioning mechanism 2, wherein the tensioning mechanism 2 includes a tensioning member 21 disposed on the lifting plate 1, a nut 22 and a top pressing member 23 sleeved outside the tensioning member 21, the tensioning member 21 is in clearance fit with the top pressing member 23, the nut 22 is screwed on the tensioning member 21, and two sets of tensioning mechanisms are disposed on two sides of the lifting plate respectively. Straining device 2 sets up two sets ofly, and every group all has tensioning piece 21, nut 22 and roof pressure piece 23, during the use, the one end top of two tensioning pieces 21 is at the well head inner wall, and the other end makes the roof pressure piece 23 extrusion well head inner wall that corresponds separately through screwing two nuts 22 respectively, so, straining device 2's four tip top tight well head inner walls, four summits are the even atress simultaneously, the difficult single-point slippage phenomenon that appears during the promotion, and provide sufficient pretightning force. The two nuts are simpler and lighter than a single nut in structure, are convenient to operate and are easy to screw.
As shown in fig. 3, the tensioning member 21 has a threaded section 211, the threaded section 211 is a cylinder, the nut 22 is in threaded engagement with the threaded section 211, and the pressing member 23 has a sliding hole 231 in clearance engagement with the threaded section 211. Wherein, the outer diameter of the nut 22 is larger than the inner diameter of the sliding hole 231, and the jacking member 23 is pressed against the well wall by screwing the nut 22. The threaded section 211 and the sliding hole 231 are both provided with a certain length, so that the inspection well base extraction requirements of different sizes are met.
As shown in fig. 3, the tensioning member 21 includes a fixed end 212, the end of the fixed end 212 and the end of the pressing member 23 are both provided with a plug 24, the plug 24 includes a stopping portion 241 and an inserting portion 242, the inserting portion 242 is a wedge-shaped block, and the stopping portion 241 is a plane perpendicular to the wedge-shaped block. The tensioning piece 21 is provided with a nut 22 and a jacking piece 23 which can move freely only at one end, so that the jacking requirement is met, and the operation is more convenient. After the well wall is tightly jacked, the inserting part 242 can be partially embedded into the inner side of the well wall, so that the lifting friction force is increased, the slipping is prevented, and meanwhile, the jacking piece 23 is prevented from rotating. It should be noted that the shape of the plug 24 is not limited to the embodiment described in the present embodiment.
As shown in fig. 1, sleeve plates 11 are disposed on two sides of the lifting plate 1, the sleeve plates 11 are sleeved outside the tensioning member 21, and the sleeve plates 11 are in clearance fit with the tensioning member 21. The lifting plate 1 and the tensioning member 21 can move relatively, and the central position of the lifting plate 1 relative to the wellhead can be easily adjusted.
As shown in fig. 3, the sleeve plate 11 is provided with a rectangular hole, the tensioning member 21 has a moving section 213, the cross section of the moving section 213 is rectangular to match with the sleeve plate 11, and the sleeve plate 11 is sleeved outside the moving section 213. Wherein, the rectangle can be square, rectangle, and rectangle removal section 213 and rectangular hole cooperation prevent that tensioning member 21 from rotating. It is to be understood that the shape of the opening of the deck plate 11 is not limited to a rectangle, for example, a triangle, a diamond, a polygon, or an irregular angular shape. The fixed end 212 and the threaded section 211 are located at opposite ends of the moving section 213, the nut 22 is located between the moving section 213 and the pressing member 23, and the cross-sectional area of the moving section 213 is larger than that of the threaded section 211. Preventing the nut 22 from disengaging the tensioning member 21.
As shown in fig. 3, the clamp is provided with a handle 3, the handle 3 is fixed to the lifting plate 1 by a connecting member 31, and the connecting member 31 is provided with a plurality of mounting holes 311. Preferably, the mounting holes 311 are formed in a plurality of columns and a plurality of rows, and the rows are equally spaced from one another, and the columns are equally spaced from one another. The handle 3 is installed on the lifting disc 1 through a bolt, and a hand can carry the clamp through the handle 3. Handle 3 is adjustable about, from top to bottom, guarantees during the use that handle 3 blocks on the well edge, prevents that anchor clamps from falling into in the well among the operation process. The handle 3 is parallel to the tensioning member 21 and the length of the handle 3 is greater than the length of the tensioning member 21. Further ensuring that the handle 3 can be stuck on the well edge. As shown in fig. 2, the lifting plate 1 is a rectangular parallelepiped, a plurality of handles 3 are provided, the handles 3 are symmetrically distributed at four corners of the lifting plate 1, the handles 3 are located inside, and the tensioning members 21 are located outside, wherein "inside" and "outside" refer to the position relationship between the handles and the tensioning members. The symmetrically distributed handles 3 are beneficial to stably clamping the clamp on the well edge.
As shown in fig. 2, a lifting hole 4 for lifting is formed in the center of the lifting plate 1, and the tensioning mechanisms 2 are arranged symmetrically along the center of the lifting hole 4.
The utility model shown and described herein may be implemented in the absence of any element, limitation, or limitations specifically disclosed herein. The terms and expressions which have been employed are used as terms of description and not of limitation, and there is no intention in the use of such terms and expressions of excluding any equivalents of the features shown and described or portions thereof, and it is recognized that various modifications are possible within the scope of the invention. It should therefore be understood that although the present invention has been specifically disclosed by various embodiments and optional features, modification and variation of the concepts herein described may be resorted to by those skilled in the art, and that such modifications and variations are considered to be within the scope of this invention as defined by the appended claims.
The contents of the articles, patents, patent applications, and all other documents and electronically available information described or cited herein are hereby incorporated by reference in their entirety to the same extent as if each individual publication was specifically and individually indicated to be incorporated by reference. Applicants reserve the right to incorporate into this application any and all materials and information from any such articles, patents, patent applications, or other documents.
Claims (9)
1. The utility model provides a stone tongs of well lid milling machine, includes lifting disk and straining device, its characterized in that, straining device is including locating the tensioning piece of lifting disk, and the outside roof pressure piece of tensioning piece is located to nut and cover, and tensioning piece and roof pressure piece clearance fit, nut revolve in tensioning piece, and straining device is equipped with two sets ofly, locates the lifting disk both sides respectively.
2. The hoisting clamp of the well lid milling machine as claimed in claim 1, wherein the tension member has a threaded section, the threaded section is a cylinder, the nut is in threaded engagement with the threaded section, and the pressing member has a slide hole in clearance fit with the threaded section.
3. The lifting clamp of the well lid milling machine as claimed in claim 1, wherein the tensioning member comprises a fixed end, the end of the fixed end and the end of the pressing member are provided with a pressing head, the pressing head comprises a stopping portion and an inserting portion, the inserting portion is a wedge-shaped block, and the stopping portion is a plane perpendicular to the wedge-shaped block.
4. The hoisting clamp of the well lid milling machine as claimed in claim 2, wherein the hoisting plate is provided with sleeve plates at both sides, the sleeve plates are sleeved outside the tensioning member, and the sleeve plates are in clearance fit with the tensioning member.
5. The hoisting clamp of the well lid milling machine as claimed in claim 3, wherein the sleeve plate is provided with a rectangular hole, the tensioning member has a moving section, the cross section of the moving section is rectangular and matched with the sleeve plate, and the sleeve plate is sleeved outside the moving section.
6. The lifting jig of a well lid milling machine as claimed in claim 1, wherein the jig is provided with a handle, the handle is fixed to the lifting plate by a connecting member, and the connecting member is provided with a plurality of mounting holes.
7. The lifting clamp of the well lid milling machine as claimed in claim 6, wherein the mounting holes are formed in a plurality of rows and a plurality of columns, and are distributed at equal intervals from row to row and from column to column.
8. The claim 6, wherein the handle is parallel to the tension member, the handle length is greater than the tension member length.
9. The hoisting clamp of the well lid milling machine as claimed in claim 6, wherein the lifting plate is a rectangular parallelepiped, the plurality of handles are symmetrically distributed at four corners of the lifting plate, the handles are arranged at the inner side, and the tensioning members are arranged at the outer side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921172171.7U CN210710638U (en) | 2019-07-24 | 2019-07-24 | Hoisting clamp of well lid milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921172171.7U CN210710638U (en) | 2019-07-24 | 2019-07-24 | Hoisting clamp of well lid milling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210710638U true CN210710638U (en) | 2020-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921172171.7U Expired - Fee Related CN210710638U (en) | 2019-07-24 | 2019-07-24 | Hoisting clamp of well lid milling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210710638U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110395681A (en) * | 2019-07-24 | 2019-11-01 | 浙江大学山东工业技术研究院 | A kind of stone tongs of well lid milling machine |
| CN112897329A (en) * | 2021-04-25 | 2021-06-04 | 江苏徐工工程机械研究院有限公司 | Clamping and lifting device of inspection well cover base and engineering machinery |
-
2019
- 2019-07-24 CN CN201921172171.7U patent/CN210710638U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110395681A (en) * | 2019-07-24 | 2019-11-01 | 浙江大学山东工业技术研究院 | A kind of stone tongs of well lid milling machine |
| CN112897329A (en) * | 2021-04-25 | 2021-06-04 | 江苏徐工工程机械研究院有限公司 | Clamping and lifting device of inspection well cover base and engineering machinery |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200609 |
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| CF01 | Termination of patent right due to non-payment of annual fee |