CN113735033A - Cable trench cover opening device - Google Patents
Cable trench cover opening device Download PDFInfo
- Publication number
- CN113735033A CN113735033A CN202111082179.6A CN202111082179A CN113735033A CN 113735033 A CN113735033 A CN 113735033A CN 202111082179 A CN202111082179 A CN 202111082179A CN 113735033 A CN113735033 A CN 113735033A
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- Prior art keywords
- cable trench
- trench cover
- opening device
- unit
- cable
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- 230000001154 acute effect Effects 0.000 claims abstract description 8
- 210000004907 gland Anatomy 0.000 claims description 2
- 238000000034 method Methods 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
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)
- Electric Cable Installation (AREA)
Abstract
The invention discloses a cable trench cover opening device, which comprises: the mobile unit is provided with a hand push rod, and a transverse shaft is arranged on one side opposite to the hand push rod; the top of the lifting unit is provided with a first connecting part connected with a transverse shaft, and the bottom of the lifting unit is provided with a leaning piece; the centre gripping unit, the centre gripping unit includes two supporting rods that rotate the connection, the supporting rod includes paste portion and clamping part, when opening cable trench cover, the both sides of clamping part centre gripping cable trench cover, the piece of pasting of leaning on of hoisting unit is hugged closely the paste portion of supporting rod, and the contained angle between the paste portion of two supporting rods is the acute angle. The cable trench cover plate opening device can quickly and conveniently open the cable trench cover plate, avoid damaging the cable trench cover plate, reduce the labor intensity of operating personnel and improve the working efficiency.
Description
Technical Field
The invention relates to the technical field of power maintenance devices, in particular to a cable trench cover plate opening device.
Background
The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The cable trench is an underground cable channel which plays a role in construction and installation or maintenance after completion of the construction in cable burying engineering, cable trench cover plates are generally continuously arranged in rows, the cable trench cover plates are generally made of steel-clad thick plates, the cover plates are self-heavy, and power distribution operation and maintenance personnel need to open the cable trench cover plates when performing cable trench anti-animal inspection, cable access acceptance inspection, cable trench plugging inspection and other work.
The traditional method is to pry open the cover plate by a crowbar and then lift the cover plate by two persons in a combined force. The method not only can easily pry and damage the cable trench edge and the cover plate, but also can easily cause the injury of operation and maintenance personnel, and the method has the advantages of high labor intensity of the operation personnel and low working efficiency when opening.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a cable trench cover plate opening device which can be used for quickly and conveniently opening a cable trench cover plate, so that the cable trench cover plate is prevented from being damaged, the labor intensity of operators is reduced, and the working efficiency is improved.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the invention provides a cable trench cover opening device, which comprises: the mobile unit is provided with a hand push rod, and a transverse shaft is arranged on one side opposite to the hand push rod; the top of the lifting unit is provided with a first connecting part connected with a transverse shaft, and the bottom of the lifting unit is provided with a leaning piece; the centre gripping unit, the centre gripping unit includes two supporting rods that rotate the connection, the supporting rod includes paste portion and clamping part, when opening cable trench cover, the both sides of clamping part centre gripping cable trench cover, the piece of pasting of leaning on of hoisting unit is hugged closely the paste portion of supporting rod, and the contained angle between the paste portion of two supporting rods is the acute angle.
Furthermore, the moving unit also comprises a cross beam, and the cross beam and the cross shaft form a frame structure of the moving unit.
Furthermore, the mobile unit further comprises a first supporting leg and a second supporting leg, the top of the first supporting leg is connected with the hand push rod, the lower side of the top of the first supporting leg is connected with the cross beam, and the second supporting leg is connected with the cross beam.
Furthermore, a supporting wheel is arranged at the bottom of the first support leg.
Furthermore, the lifting unit comprises a top plate, and the first connecting part is arranged on the top plate.
Further, the roof downside is provided with the montant, form the holding between the montant paste the open slot of pasting the piece, the montant lower extreme is provided with the second connecting portion that the connection pasted the piece, paste to paste the piece and rotate with the montant through the second connecting portion and be connected.
Further, the clamping rod further comprises an extension portion and a third connecting portion, and the third connecting portion is located between the abutting portion and the extension portion.
Further, the section of the clamping part is of a conical structure.
Furthermore, the side surface of the clamping part contacting with the cable trench cover plate is subjected to anti-skidding treatment.
Further, the extension includes expansion end and stiff end, the expansion end with the stiff end all is equipped with the round pin shaft hole, through the round pin hub connection the expansion end with the stiff end.
The embodiment of the invention has the following beneficial effects:
1. according to the cable trench opening device, the cable trench cover plate is clamped by the clamping part of the clamping unit, the abutting piece of the lifting unit is abutted against the abutting piece of the clamping unit, the lifting unit is connected to the cross rod of the moving unit through the first connecting part, a worker presses down the hand push rod on the side opposite to the cross rod of the moving unit, the cross rod drives the lifting unit to ascend, the lifting unit lifts the clamping unit, and the cable trench cover plate is opened through the clamping unit. The cable trench opening device can quickly and conveniently open the cable trench cover plate without prying the cable trench cover plate by using a crowbar, avoids damaging the cable trench cover plate, promotes the cable trench cover plate by using a lever principle, lightens the labor intensity of operating personnel and improves the working efficiency.
2. The cable trench opening device provided by the invention has the advantages that the included angle between the abutting parts of the two clamping rods of the clamping unit is reduced and is set to be an acute angle, because the abutting part has an obliquely upward lifting force to the abutting part, the component force of the lifting force in the horizontal direction is transmitted to the cable trench cover plate through the first connecting part and the clamping part, the component force of the abutting part to the abutting part in the horizontal direction can be increased by reducing the included angle between the abutting parts, the clamping force of the clamping unit to the cable trench cover plate is further increased, and the problem that the heavier cable trench cover plate cannot be normally opened is solved.
3. According to the invention, the leaning pieces are rotatably connected, so that the problem that the leaning pieces cannot be tightly attached to the leaning parts of the clamping rods when the clamping units clamp the cable trench cover plates with different widths is solved, and the stress stability of the lifting unit when the clamping units are lifted is ensured.
4. The extension part can be prolonged through the arrangement of the movable end and the fixed end, the included angle between the abutting parts of the two clamping rods is ensured to be an acute angle, the component force of the abutting parts in the horizontal direction is increased, the clamping force of the clamping unit on the cable trench cover plate is further increased, and the problem that the cable trench cover plate cannot be clamped due to the fact that the included angle between the abutting parts is too large is solved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is an overall schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of a clamping cable gland plate of an embodiment of the present invention;
FIG. 3 is a schematic view of a lifting unit according to an embodiment of the present invention;
FIG. 4 is a schematic view of an extension of an embodiment of the present invention;
in the figure: 10-mobile unit, 11-handspike, 12-first leg, 13-beam, 14-second leg, 15-support wheel, 16-cross shaft;
20-lifting unit, 21-second connecting part, 22-vertical rod, 23-top plate, 24-first connecting part, 25-leaning piece and 26-open slot;
30-clamping unit, 31-abutting part, 32-hinged part, 33-extending part, 33 a-movable end, 33 b-pin shaft hole, 33 c-fixed end and 34-clamping part;
40-cable trench cover plate.
The spacing or dimensions between each other are exaggerated to show the location of the various parts, and the illustration is for illustrative purposes only.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the invention expressly state otherwise, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, it indicates the presence of the stated features, steps, operations, devices, components, and/or combinations thereof.
For convenience of description, the words "up", "down", "left" and "right" in the present invention, if any, merely indicate correspondence with up, down, left and right directions of the drawings themselves, and do not limit the structure, but merely facilitate the description of the invention and simplify the description, rather than indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
The terms "mounted", "connected", "fixed", and the like in the present invention are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; the term "coupled" may refer to a mechanical coupling, a direct coupling, an indirect coupling via an intermediate, an internal coupling of two elements, or an interaction of two elements, and it is understood that the terms used in the present invention have the same meaning as the terms used in the present invention.
As described in the background, the conventional method is to pry open the cover plate with a crowbar and then lift it with a combination of two persons. The method not only can easily pry and damage the cable trench edge and the cover plate, but also can easily cause the injury of operation and maintenance personnel, and the method can lead the labor intensity of the operation personnel to be high and the working efficiency to be low when opening, and in order to solve the technical problems, the invention provides the cable trench cover plate opening device.
As shown in fig. 1 to 4, a cable trench cover opening device includes: the device comprises a moving unit 10, a lifting unit 20 and a clamping unit 30, wherein the moving unit 10 is provided with a hand push rod 11, and a transverse shaft 16 is arranged on one side opposite to the hand push rod 11; the top of the lifting unit 29 is provided with a first connecting part 24 connected with the transverse shaft 13, and the bottom of the lifting unit 20 is provided with an abutting part 25; the clamping unit 30 comprises two clamping rods which are rotatably connected, the clamping rods comprise a leaning part 31 and a clamping part 34, when the cable trench cover plate 40 is opened, the clamping part 34 clamps two sides of the cable trench cover plate 40, the leaning part 25 of the lifting unit 20 is clung to the leaning part 31 of the clamping rods, and an included angle between the leaning parts 31 of the two clamping rods is an acute angle.
According to the cable trench opening device, the cable trench cover plate is clamped by the clamping part of the clamping unit, the abutting piece of the lifting unit is abutted against the abutting piece of the clamping unit, the lifting unit is connected to the cross rod of the moving unit through the first connecting part, a worker presses down the hand push rod on one side opposite to the cross rod, the cross rod drives the lifting unit to ascend, the lifting unit lifts the clamping unit, and the cable trench cover plate is opened through the clamping unit. The cable trench opening device can quickly and conveniently open the cable trench cover plate without prying the cable trench cover plate by using a crowbar, avoids damaging the cable trench cover plate, promotes the cable trench cover plate by using a lever principle, lightens the labor intensity of operating personnel and improves the working efficiency.
The cable trench cover plate with light weight can be opened under the clamping of the clamping unit, but when the cable trench cover plate with heavy weight is opened, the cable trench cover plate is separated from the cable trench cover plate easily in the lifting process of the clamping unit, so that the cable trench cover plate cannot be normally opened. Based on the above, the cable trench opening device of the invention reduces the included angle (a in fig. 2) between the abutting parts of the two clamping rods of the clamping unit, and sets the included angle as an acute angle, because the abutting parts have an obliquely upward lifting force to the abutting parts, the component force of the horizontal direction of the lifting force is transmitted to the cable trench cover plate through the first connecting part and the clamping part, the component force of the abutting parts to the horizontal direction of the abutting parts can be increased by reducing the included angle between the abutting parts, and then the clamping force of the clamping unit to the cable trench cover plate is increased, and the problem that the heavier cable trench cover plate can not be normally opened is solved.
Specifically, the cross shaft is cylindrical, the first connecting portion is provided with a through hole, the through hole is matched with the cylindrical cross shaft, and the cross shaft of the moving unit moves in an arc shape when lifted, namely, in an oblique upper right direction in fig. 1, if the moving unit and the lifting unit are fixedly connected, the lifting unit can cause uneven stress on two clamping rods of the clamping unit, so that the cable trench cover plate cannot be opened. Of course, the entire cross shaft may have other shapes as long as the position of engagement with the first connecting portion is cylindrical.
Furthermore, the moving unit 10 further comprises a cross beam 13, and the cross beam 13 and the transverse shaft 16 form a frame structure of the moving unit 10. The transverse shaft is a round pipe, the transverse beam is a round pipe or a rectangular pipe, and the transverse shaft and the transverse beam are welded to form a frame structure.
Further, the mobile unit 10 further includes a first leg 12 and a second leg 14, the top of the first leg 12 is connected to the handle bar 11, the lower side of the top is connected to the cross member 13, and the second leg 14 is connected to the cross member 13.
Specifically, first landing leg is located the rear side of second landing leg, and first landing leg flushes with second landing leg bottom, because first landing leg bottom is the fulcrum that promotes cable trench cover, consequently, the horizontal distance of first landing leg and first connecting portion is less than the horizontal distance of first landing leg and handspike side of pushing down, and the handspike pushes down to survey promptly the handspike rightmost end in fig. 1.
Further, a support wheel 15 is arranged at the bottom of the first leg 12. The purpose of setting up the supporting wheel is, after using first leg bottom as the fulcrum lift cable trench cover, pull the mobile unit backward and can shift out cable trench cover in the cable pit, shift out cable trench cover for long-time work in the cable pit.
Further, the lifting unit 20 includes a top plate 23, and the first connecting portion 24 is disposed on the top plate 23. The roof 23 downside is provided with montant 22, form the holding between the montant 22 paste the open slot 26 of leaning on piece 25, the montant 22 lower extreme is provided with the connection and pastes the second connecting portion 21 of leaning on the piece, paste and lean on piece 25 and rotate with montant 22 through second connecting portion 21 and be connected.
Because the width of different cable trench cover plates is different, when the clamping unit clamps the cable trench cover plates with different widths, the included angle a of the clamping rods is different, and the attaching part cannot be tightly attached to the attaching part of the clamping rods. Based on the structure, the leaning piece is rotatably connected and can be tightly attached to the leaning part of the clamping rod, and the stress is more stable when the clamping unit is lifted.
Specifically, as shown in fig. 2 and 3, the top plate is a plate-shaped structure, 4 vertical rods are arranged on the lower side of the top plate, and the left vertical rod and the right vertical rod (in the direction of fig. 3) form an open slot for accommodating the abutting part. The second connecting portion is a through hole formed in the bottom of the vertical rod, the through holes of the vertical rods on the left side and the right side are coaxially arranged, the pin shaft sequentially penetrates through the through hole of the vertical rod on the left side, the leaning piece and the through hole of the vertical rod on the right side, and the leaning piece can freely rotate around the rotating shaft.
Further, the clamping rod further comprises an extension portion 33 and a third connecting portion 32, wherein the third connecting portion 32 is located between the abutting portion 31 and the extension portion 33. The two clamping rods can freely rotate around the third connecting part, a pair of horizontal component forces are applied to the attaching parts of the two clamping rods by the lifting unit in the lifting process of the clamping unit, and only two side surfaces of the cable trench cover plate are clamped by the clamping parts under the rotation of the third connecting part.
Further, the cross section of the clamping portion 24 is a conical structure. Specifically, the width of the lower side of the clamping part is smaller than that of the upper side of the clamping part so that the clamping part can be inserted into a gap between the cable trench cover plate and the cable trench step.
Further, the side surface of the clamping portion 24 contacting the cable trench cover is subjected to anti-slip treatment. Specifically, the side of clamping part and the contact of cable trench cover carries out the annular knurl and handles and form many crisscross tiny recesses to improve the frictional force between clamping part and the cable trench cover, do benefit to the promotion of cable trench cover.
Further, extension 33 includes loose end 33a and stiff end 33c, loose end 33a with stiff end 33c all is equipped with round pin axle hole 33b, through the round pin hub connection loose end 33a with stiff end 33 b. As shown in fig. 4, the extension part can be extended by arranging the movable end and the fixed end, so that an included angle between the two clamping rod attaching parts is an acute angle, a component force of the attaching parts to the attaching parts in the horizontal direction is increased, the clamping force of the clamping unit to the cable trench cover plate is increased, and the problem that the cable trench cover plate cannot be clamped due to the fact that the included angle between the attaching parts is too large is solved.
Claims (10)
1. The utility model provides a cable trench cover opening device which characterized in that includes:
the mobile unit is provided with a hand push rod, and a transverse shaft is arranged on one side opposite to the hand push rod;
the top of the lifting unit is provided with a first connecting part connected with a transverse shaft, and the bottom of the lifting unit is provided with a leaning piece;
the centre gripping unit, the centre gripping unit includes two supporting rods that rotate the connection, the supporting rod includes paste portion and clamping part, when opening cable trench cover, the both sides of clamping part centre gripping cable trench cover, the piece of pasting of leaning on of hoisting unit is hugged closely the paste portion of supporting rod, and the contained angle between the paste portion of two supporting rods is the acute angle.
2. The cable duct cover opening device of claim 1, wherein the mobile unit further comprises a cross member, the cross member and the cross shaft forming a frame structure of the mobile unit.
3. The cable duct cover opening device of claim 2, wherein the moving unit further comprises a first leg and a second leg, the first leg being connected at a top thereof to the handle bar, an underside of the top thereof being connected to the cross member, and the second leg being connected to the cross member.
4. A cable gland plate opening device according to claim 3, wherein the first leg is provided at its base with a support wheel.
5. The cable duct cover opener of claim 1, wherein the lifting unit includes a top plate on which the first connecting portion is provided.
6. The cable duct cover plate opening device of claim 5, wherein vertical rods are arranged on the lower side of the top plate, an open slot for accommodating the abutting piece is formed between the vertical rods, a second connecting portion for connecting the abutting piece is arranged at the lower end of each vertical rod, and the abutting piece is rotatably connected with the vertical rods through the second connecting portion.
7. The cable duct cover opening device of claim 1, wherein the clamping bar further comprises an extension and a third connecting portion, the third connecting portion being located between the abutment and the extension.
8. The cable duct cover opening device of claim 1, wherein the clip portion is tapered in cross-section.
9. The cable trench cover opening device of claim 1, wherein a side of the clamping portion contacting the cable trench cover is subjected to an anti-slip treatment.
10. The cable duct cover opening device of claim 7, wherein the extending portion comprises a movable end and a fixed end, and the movable end and the fixed end are provided with pin holes for connecting the movable end and the fixed end by a pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111082179.6A CN113735033A (en) | 2021-09-15 | 2021-09-15 | Cable trench cover opening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111082179.6A CN113735033A (en) | 2021-09-15 | 2021-09-15 | Cable trench cover opening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113735033A true CN113735033A (en) | 2021-12-03 |
Family
ID=78739142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111082179.6A Pending CN113735033A (en) | 2021-09-15 | 2021-09-15 | Cable trench cover opening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113735033A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115285906A (en) * | 2022-08-09 | 2022-11-04 | 国网安徽省电力有限公司马鞍山供电公司 | Transformer substation cable trench cover plate lifting device and use method thereof |
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| CN206915714U (en) * | 2017-06-13 | 2018-01-23 | 中交一航局第三工程有限公司 | Cover plate fixed support device |
| CN209778244U (en) * | 2019-04-29 | 2019-12-13 | 常熟市工程质量检测中心 | Manhole cover hoisting and transporting device |
| CN210505261U (en) * | 2019-09-23 | 2020-05-12 | 昆山山鑫铝业有限公司 | Aluminum forging hoist and mount safety anchor clamps |
| CN211895713U (en) * | 2020-01-17 | 2020-11-10 | 徐州工程学院 | Hoisting device for aerated concrete wall board and building block |
| CN112249922A (en) * | 2020-10-19 | 2021-01-22 | 深圳利朋技术研发有限公司 | Brick lifting device for building |
| CN212450542U (en) * | 2020-06-09 | 2021-02-02 | 中铁建工集团有限公司 | Auxiliary construction trolley for arranging building structural parts |
| CN212799551U (en) * | 2020-06-15 | 2021-03-26 | 中国二冶集团有限公司 | Curb handling device |
| CN212893500U (en) * | 2020-08-14 | 2021-04-06 | 郑州晶华科技有限公司 | Novel material piece promotes hoist |
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2021
- 2021-09-15 CN CN202111082179.6A patent/CN113735033A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5382131A (en) * | 1992-11-12 | 1995-01-17 | Werthmann; Paul E. | Tool for manipulating heavy objects |
| CN203624876U (en) * | 2013-11-06 | 2014-06-04 | 国家电网公司 | Cable trench cover plate transporting tool |
| CN104261035A (en) * | 2014-09-11 | 2015-01-07 | 国家电网公司 | Cable trench cover plate removing and placing tool |
| CN205773183U (en) * | 2016-05-27 | 2016-12-07 | 国家电网公司 | A kind of transformer station cover plate opening and closing lever vehicle |
| CN206915714U (en) * | 2017-06-13 | 2018-01-23 | 中交一航局第三工程有限公司 | Cover plate fixed support device |
| CN209778244U (en) * | 2019-04-29 | 2019-12-13 | 常熟市工程质量检测中心 | Manhole cover hoisting and transporting device |
| CN210505261U (en) * | 2019-09-23 | 2020-05-12 | 昆山山鑫铝业有限公司 | Aluminum forging hoist and mount safety anchor clamps |
| CN211895713U (en) * | 2020-01-17 | 2020-11-10 | 徐州工程学院 | Hoisting device for aerated concrete wall board and building block |
| CN212450542U (en) * | 2020-06-09 | 2021-02-02 | 中铁建工集团有限公司 | Auxiliary construction trolley for arranging building structural parts |
| CN212799551U (en) * | 2020-06-15 | 2021-03-26 | 中国二冶集团有限公司 | Curb handling device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115285906A (en) * | 2022-08-09 | 2022-11-04 | 国网安徽省电力有限公司马鞍山供电公司 | Transformer substation cable trench cover plate lifting device and use method thereof |
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Application publication date: 20211203 |