CN111945790A - Installation device and installation method of well lid - Google Patents

Installation device and installation method of well lid Download PDF

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Publication number
CN111945790A
CN111945790A CN202010985148.0A CN202010985148A CN111945790A CN 111945790 A CN111945790 A CN 111945790A CN 202010985148 A CN202010985148 A CN 202010985148A CN 111945790 A CN111945790 A CN 111945790A
Authority
CN
China
Prior art keywords
support
well lid
well
supporting
surface layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010985148.0A
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Chinese (zh)
Inventor
张严勃
姜明
刘永宏
刘阳
肖延华
丛干文
韩晓雪
全洪珠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Samsung Engineering Co ltd
Qingdao Agricultural University
Original Assignee
Qingdao Samsung Engineering Co ltd
Qingdao Agricultural University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qingdao Samsung Engineering Co ltd, Qingdao Agricultural University filed Critical Qingdao Samsung Engineering Co ltd
Priority to CN202010985148.0A priority Critical patent/CN111945790A/en
Publication of CN111945790A publication Critical patent/CN111945790A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/12Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/14Covers for manholes or the like; Frames for covers
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/12Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/14Covers for manholes or the like; Frames for covers
    • E02D29/1445Tools for positioning or removing cover frames

Abstract

The invention discloses a well lid mounting device, wherein one end of a connecting element is mounted on a support, the other end of the connecting element is detachably connected with a well lid, the joint of a supporting element and the support is a contact point, the contact point is flush with the upper end surface of the well lid, the support drives the well lid to move to the position above a well mouth, one end of the supporting element is mounted on the support, the other end of the supporting element is in contact with an asphalt lower surface layer, the supporting element is used for supporting the support, a fixed block is circumferentially placed in mortar around the well mouth and is positioned at the lower end of a base, and; lifting the support to the well mouth to enable the well lid to be opposite to the well mouth; a fixed block is arranged on the circumferential direction of the wellhead; the well lid is lowered to be in contact with the fixed block, the upper surface of the well lid is horizontal, the supporting element is adjusted to enable the lower end of the supporting element to be in contact with the asphalt lower surface layer, the contact point is flush with the upper end surface of the well lid, and the length of the supporting element between the asphalt lower surface layer and the contact point is measured; and (5) dismantling the support and paving the asphalt upper surface layer. The installation device and the installation method of the well lid can reduce the installation error of the well lid and improve the driving safety.

Description

Installation device and installation method of well lid
Technical Field
The invention relates to the technical field of road engineering, in particular to a well cover mounting device and a well cover mounting method.
Background
For a long time, the manhole cover of the urban road pavement inspection well is usually installed by adopting a hanging bracket to install the manhole cover and a construction line to adjust and install the manhole cover in an overhanging way, and the construction technology is relatively simple. However, due to installation errors of the well covers, the inspection well covers often cannot be smoothly connected with the road surface, namely, the height difference exists between the well covers and the road surface, so that the phenomenon that every vehicle jumps when passing through the well covers in different degrees can occur, normal road traffic is seriously influenced, and great potential safety hazards exist.
Based on this, it is urgently needed to provide a well lid device of inspection well that is connected levelly and smoothly with the road, overcomes the well lid problem of sinking that exists among the conventional art.
Disclosure of Invention
The invention aims to provide a well lid mounting device and a well lid mounting method, which are used for solving the problems in the prior art, reducing the mounting error of a well lid, ensuring that the surface of the well lid is flush with the road surface and improving the driving safety.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a well lid mounting device which comprises a support, a connecting element, a plurality of supporting elements and fixing blocks, wherein one end of the connecting element is mounted on the support, the other end of the connecting element is detachably connected with a well lid, the support is used for driving the well lid to move to a position above a well mouth, one end of each supporting element is mounted on the support, the other end of each supporting element is used for contacting an asphalt lower surface layer, the supporting elements are used for supporting the support, the connecting positions of the supporting elements and the support are contact points, the contact points are flush with the upper end surface of the well lid, the fixing blocks are arranged in mortar around the well mouth in the circumferential direction, and the fixing blocks are used for being arranged at the lower end of a base of the well lid and keeping the upper surface of the well.
Preferably, the support is a well-shaped support, the support comprises two transverse rods and two longitudinal rods, the two transverse rods are parallel to each other, the two longitudinal rods are parallel to each other, the longitudinal rods are perpendicular to the transverse rods, and two ends of each longitudinal rod are respectively fixed on different transverse rods.
Preferably, the two longitudinal bars are both positioned in the middle of the transverse bar.
Preferably, correspond on the support connecting element's position is equipped with the connecting hole, connecting element is L type bolt, L type bolt includes linkage segment and joint section, the one end of joint section is used for contacting terminal surface under the base, the other end with the one end of linkage segment is connected, the other end of linkage segment passes the connecting hole fastens through coupling nut, coupling nut contacts keep away from on the support one side of joint section, the linkage segment with the joint section is perpendicular.
Preferably, the number of the connecting holes is four, one connecting hole corresponds to one connecting element, and the four connecting holes are respectively arranged at the junction of each transverse rod and each longitudinal rod.
Preferably, a support hole is formed in the position, corresponding to the support element, of the support, the support element is a screw rod, one end of the support element penetrates through the support hole, the other end of the support element is connected with a support sheet, the support sheet is used for contacting the asphalt lower surface layer, a support nut is sleeved on the periphery of one end, far away from the support sheet, of the support element, and the support nut contacts one side, close to the asphalt lower surface layer, of the support and is used for supporting the support.
Preferably, the number of the support holes is four, one support hole corresponds to one support element, two support holes are formed in each cross rod, and each support hole is arranged close to one end of each cross rod.
Preferably, every respectively be equipped with two regulation holes, one on the horizontal pole the regulation hole corresponds an adjusting screw, just the regulation hole sets up around well lid circumference, adjusting screw's one end is passed the regulation hole, the other end are used for contacting the up end of well periphery concrete, just adjusting screw is located connecting element with between the support element, the last one end periphery cover that is close to well periphery concrete of adjusting screw is equipped with adjusting nut, adjusting nut contacts one side that is close to well periphery concrete on the support, and is used for supporting the support.
Preferably, the fixed block is the wooden pillow, the wooden pillow is four, and is used for even circumference to place in the well head periphery to be located the base lower extreme.
The invention also provides a well lid installation method, based on any one of the technical schemes, the well lid installation device comprises the following steps:
s1: prefabricating the bracket, and connecting the well cover and the bracket through the connecting element; s2: lifting the support to the wellhead, and enabling the well lid to be over against the wellhead; s3: placing each fixed block in the circumferential direction of a wellhead; s4: the well lid is lowered, when the well lid contacts the fixing block, the upper surface of the well lid is parallel to the horizontal plane, the supporting element is adjusted, the lower end of the supporting element contacts the asphalt lower surface layer, the contact point is flush with the upper end face of the well lid, the length of the supporting element between the asphalt lower surface layer and the contact point is the supporting height, and the supporting height is measured; s5: and (4) checking and accepting, dismantling the support, paving an asphalt upper surface layer around the well lid, wherein the thickness of the asphalt upper surface layer is equal to the supporting height.
Compared with the prior art, the invention has the following technical effects:
the invention provides a well lid mounting device, wherein one end of a connecting element is mounted on a support, the other end of the connecting element is detachably connected with a well lid, so that the connection between the well lid and the support is realized, the well lid is conveniently driven to move to the position above a well mouth by manpower or a machine and the well lid is prevented from being damaged, a plurality of fixing blocks are used for being placed in mortar around the well mouth, the well lid is arranged at the lower end of a base after being mounted, the well lid and the base have a bearing effect, the unset mortar is assisted to lift the heavy well lid and the base, the well lid and the base are prevented from sinking, the driving safety is influenced, the level of the upper surface of the well lid is ensured, one end of a supporting element is mounted on the support, the other end of the supporting element is used for contacting with an asphalt lower surface layer, the joint of the supporting element and the support is a contact point, thereby make things convenient for the definite of pavement asphalt top surface layer thickness around for the surface and the well lid surface parallel and level of asphalt top surface layer reduce well lid installation error.
According to the installation method of the well lid, the well lid and the support are connected through the connecting element based on the installation device of the well lid, the support is lifted to the well mouth, the well lid is enabled to be over against the well mouth, the well lid is conveniently lifted through the support, and the well lid is prevented from directly acting on the well lid or a base to damage the structure of the well lid or the base; place the fixed block in the circumference of well head, lift well lid and base through the supplementary mortar of fixed block, prevent to sink after the well lid installation, and make the up end of well lid keep the level, the well lid is transferred, and during well lid contact fixed block, well lid upper surface is parallel with the horizontal plane, adjust supporting element, make supporting element's lower extreme contact pitch lower surface course, the up end parallel and level of contact point and well lid, supporting element is the holding height at pitch lower surface course and the length between the contact point, measure the holding height, demolish the support, lay the pitch upper surface course around the well lid, the holding height is the thickness of laying of pitch upper surface course promptly, guarantee the surface and the well lid upper surface parallel and level of pitch upper surface course.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a mounting device of a well lid provided by an embodiment;
FIG. 2 is a top view of a bracket in the installation device of the well lid provided by the first embodiment;
in the figure: 1-bracket, 11-cross bar, 12-longitudinal bar, 2-support element, 21-support nut, 3-connecting element, 31-connecting nut, 32-connecting hole, 4-adjusting screw rod, 41-adjusting nut, 5-fixing block, 6-reinforced well concrete, 7-mortar, 81-well cover, 82-base, 9-asphalt lower surface layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a manhole cover mounting device and a manhole cover mounting method, which aim to solve the technical problems that the existing manhole cover is large in mounting error and cannot be flush with a road surface, and driving safety is affected.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Example one
As shown in fig. 1-2, this embodiment provides a well lid installation apparatus, which includes a support 1, a connecting element 3, a supporting element 2, and a fixing block 5, where one end of the connecting element 3 is installed on the support 1, and the other end is used to be detachably connected to a base 82, the support 1 is used to drive a well lid 81 and a base 82 to move above a well mouth, so as to achieve connection between the base 82 and the support 1, and conveniently drive the well lid 81 and the base 82 to move above the well mouth by manpower or machine, and prevent the well lid 81 and the base 82 from being damaged during moving, the fixing blocks 5 are plural, and the fixing blocks 5 are used to be circumferentially placed in mortar around the well mouth, and are used to be placed at the lower end of the base 82, so as to bear the well lid 81 and the base 82, assist the unset mortar 7 to lift the heavy well lid 81 and the base 82, and prevent the well lid, the one end of support element 2 is installed on support 1, the other end is used for contacting surface course 9 under the pitch, and support element 2 is used for propping up support 1, support element 2 is the contact point with the 1 junction of support, the contact point is the up end parallel and level of well lid 81, namely, guarantee the up end of well lid 81 and the lower terminal surface parallel and level of support 1, the convenient determination to surface course on the road surface pitch on every side through support 1, directly measure under support 1 and the pitch length of support element 2 between surface course 9 can, guarantee the surface and well lid 81 surface parallel and level on pitch upper surface, prevent to take place "the car of jumping" phenomenon.
Specifically, support 1 is well type support, and support 1 includes two horizontal poles 11 and two vertical poles 12, and two horizontal poles 11 are parallel to each other, and two vertical poles 12 are parallel to each other, and vertical pole 12 is perpendicular with horizontal pole 11, and the both ends of vertical pole 12 are fixed respectively on the horizontal pole 11 of difference, make things convenient for the lifting of machine or manual work to support 1, also be convenient for simultaneously support 1 and well lid 81 base 82 be connected and the lifting, and simple structure. Preferably, the vertical rod 12 is a square tube with a length of 4m and a wall thickness of 2mm, the cross rod 11 is a square tube with a length of 66cm and a wall thickness of 2mm, and the cross rod 11 and the vertical rod 12 enclose a square cavity with a length of 66cm and a wall thickness of 66 cm.
The position that corresponds connecting element 3 on support 1 is equipped with connecting hole 32, connecting element 3 is L type bolt, L type bolt includes linkage segment and joint section, the one end of joint section is used for contacting terminal surface under base 82, the other end is connected with the one end of linkage segment, the other end of linkage segment passes connecting hole 32 and fastens through coupling nut 31, coupling nut 31 contacts one side of keeping away from the joint section on the support 1, the linkage segment is perpendicular with the joint section, catch on the lower terminal surface of base 82 through the joint section promptly, realize being connected of support 1 and base 82, and well lid 81 transfers to target in place, when needing to shift out support 1, also convenient the dismantlement. Preferably, the diameters of the clamping section and the connecting section are both 16 mm.
Connecting hole 32 is four, a connecting hole 32 corresponds a connecting element 3, two vertical poles 12 all are located horizontal pole 11 middle parts, and four connecting holes 32 are seted up respectively in every horizontal pole 11 and every vertical pole 12 juncture, four even circumference of connecting element 3 are installed in the lower bottom surface periphery of base 82, guarantee lifting stability, the position that support 1 and base 82 are connected is vertical pole 12 middle part simultaneously, guarantee support 1's overall balance and lifting effect, simultaneously, also prevent to transfer in-process support 1 to take place the beat and then influence the installation effectiveness of well lid.
The position that corresponds support element 2 on support 1 is equipped with the supported hole, support element 2 is the screw rod, the supported hole is passed to support element 2's one end, a supporting piece is connected to the other end, the supporting piece is used for contacting lower surface course 9 of pitch, thereby increase the area of contact between support element 2 and the lower surface course 9 of pitch, thereby prevent that support element 2 from destroying lower surface course 9 structure of pitch, and the one end periphery cover of keeping away from the supporting piece on support element 2 is equipped with support nut 21, support nut 21 contacts one side that is close to lower surface course 9 of pitch on support 1, namely, support nut 21 is located support 1 under on the terminal surface during the use, thereby prop up support 1. More preferably, the diameter of the support element 2 is 18 mm.
The supporting hole is four, and a supporting hole corresponds supporting element 2, and has respectively seted up two supporting holes on every horizontal pole 11, and each supporting hole is close to the tip setting of horizontal pole 11, improves supporting element 2 and to the supporting effect of support 1, prevents that support 1 from driving well lid 81 and base 82 slope, influences the installation effectiveness, and is more excellent, and the distance between the tip of supporting hole and horizontal pole 11 is 6 cm.
Each cross rod 11 is provided with two adjusting holes, one adjusting hole corresponds to one adjusting screw rod 4, the adjusting holes are arranged around the circumferential direction of the well lid 81, one end of each adjusting screw rod 4 penetrates through the adjusting hole, the other end of each adjusting screw rod 4 is used for contacting the upper end face of well peripheral concrete, the adjusting screw rods 4 are positioned between the connecting elements 3 and the supporting elements 2, the peripheries of the ends, close to the well cementing concrete 6, of the adjusting screw rods 4 are sleeved with adjusting nuts 41, the adjusting nuts 41 are contacted with one side, close to the reinforced well concrete 6, of the support 1 and used for supporting the support 1, the adjusting screw rods 4 play a role in auxiliary supporting, as the well lid 81 and the base 82 are heavy, the support of the support 1 only through the supporting elements 2 can cause the position, close to the well lid 81, on the support 1 to sink, the support of the support 1 between the supporting elements 2 and the connecting elements, prevent that support 1 and well lid 81 from subsiding, it is more excellent, the distance between the connecting hole 32 and the regulation hole on same root horizontal pole 11 is 30 cm.
Fixed block 5 is the wooden sleeper, and the wooden sleeper is four, and is used for even circumference to place in the well head periphery, after well lid 81 installation targetting in place, each wooden sleeper is located four bight lower extremes of the inscription square of base 82 to evenly support base 82, prevent that well lid 81 and base 82 from sinking, and in the actual installation, the thickness of wooden sleeper can be according to actual construction project requirement and do the adaptability and select.
Example two
As shown in fig. 1 to 2, the present embodiment provides a method for installing a manhole cover, which is based on the installation apparatus of the manhole cover in the first embodiment, a foundation pit is excavated before installing the manhole cover 81, a chamber is constructed, reinforcement bars and concrete are added to the periphery of the chamber to form reinforced concrete 6, an asphalt lower surface layer 9 is laid on the periphery of the reinforced concrete 6, mortar 7 is sprayed on the periphery of a wellhead, the mortar 7 is cement mortar, and when the manhole cover 81 is installed, the method includes the following steps: prefabricating a well type bracket 1, hooking a well cover 81 by using one end of a connecting element 3 (namely an L-shaped bolt), and hanging the other end of the connecting element on the bracket 1 through a connecting nut 31; the support 1 is lifted and placed to the wellhead of the inspection well manually or mechanically, the well lid 81 is enabled to be over against the wellhead, the well lid 81 is conveniently lifted through the support 1, and the phenomenon that the well lid 81 or the base 82 is directly acted on to damage the structure of the well lid is prevented; placing wood pillows with proper height in the circumferential direction of a wellhead, and lifting the well lid 81 and the base 82 through the wood pillow auxiliary mortar 7 to prevent the well lid 81 from sinking after installation; the well lid 81 is lowered, the upper end face of the wooden sleeper is in contact with the lower end face of the base 82, meanwhile, the upper surface of the well lid is parallel to the horizontal plane, the adjusting screw rod 4 is installed, the supporting height of the supporting element 2 is adjusted, the lower end of the supporting element 2 is in contact with the asphalt lower surface layer 9, the upper end of the supporting element 2 penetrates through the supporting hole, the supporting nut 21 is installed on the supporting element 2, the upper end face of the supporting nut 21 is in contact with the lower end face of the support 1, the lower end of the adjusting screw rod 4 is in contact with the upper end face of the well cementing concrete 6, the upper end of the adjusting screw rod passes through the adjusting hole, the adjusting nut 41 is installed on the adjusting screw rod 4, the upper end face of the adjusting nut 41 is in contact with the lower end face of; the support 1 is checked whether to sink by pulling a wire manually, if the support 1 sinks, the adjustment is carried out by using the adjusting screw rod 4, preferably, the number and the position of the adjusting screw rod 4 are not limited in the first embodiment, and a person skilled in the art can change the support 1 adaptively according to the length of the support and the specific size of the well lid 81; checking and accepting, dismantling the support 1, laying the asphalt upper surface layer around the well lid 81, enabling the thickness of the asphalt upper surface layer to be equal to the supporting height, and ensuring the upper end surface of the asphalt upper surface layer to be parallel and level with the upper end surface of the well lid 81.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.

Claims (10)

1. The utility model provides an installation device of well lid which characterized in that: including support, connecting element, supporting element and fixed block, connecting element's one end is installed on the support, the other end is used for dismantling with the well lid and is connected, the support is used for driving the well lid and removes to the well head top, supporting element's one end install in on the support, the other end is used for contacting surface course under the pitch, just supporting element is used for propping up the support, supporting element with the leg joint department is the contact point, the upper end parallel and level of contact point and well lid, the fixed block is a plurality of, the fixed block is used for circumference to place in the mortar around the well head, just the fixed block is used for placing in the base lower extreme of well lid for keep the level of well lid upper surface.
2. The installation device of well lid of claim 1, characterized in that: the support is a well-shaped support, the support comprises two transverse rods and two longitudinal rods, the two transverse rods are parallel to each other, the two longitudinal rods are parallel to each other, the longitudinal rods are perpendicular to the transverse rods, and two ends of each longitudinal rod are respectively fixed on the different transverse rods.
3. The manhole cover mounting apparatus of claim 2, wherein: and the two longitudinal rods are positioned in the middle of the transverse rod.
4. The manhole cover mounting apparatus of claim 3, wherein: correspond on the support connecting element's position is equipped with the connecting hole, connecting element is L type bolt, L type bolt includes linkage segment and joint section, the one end of joint section is used for contacting terminal surface under the base, the other end with the one end of linkage segment is connected, the other end of linkage segment passes the connecting hole fastens through coupling nut, coupling nut contacts keep away from on the support one side of joint section, the linkage segment with the joint section is perpendicular.
5. The manhole cover mounting apparatus of claim 4, wherein: the connecting elements are arranged on the cross rods, and the connecting elements are arranged on the connecting elements.
6. The manhole cover mounting apparatus of claim 3, wherein: the support is provided with a support hole corresponding to the support element, the support element is a screw rod, one end of the support element penetrates through the support hole, the other end of the support element is connected with a support sheet, the support sheet is used for contacting the asphalt lower surface layer, a support nut is sleeved on the periphery of one end, far away from the support sheet, of the support element, and the support nut is contacted with one side, close to the asphalt lower surface layer, of the support and used for supporting the support.
7. The manhole cover mounting apparatus of claim 6, wherein: the number of the supporting holes is four, one supporting hole corresponds to one supporting element, two supporting holes are formed in each cross rod, and each supporting hole is arranged close to the end portion of each cross rod.
8. The manhole cover mounting apparatus of claim 3, wherein: every respectively be equipped with two regulation holes, one on the horizontal pole the regulation hole corresponds an adjusting screw, just the regulation hole sets up around well lid circumference, adjusting screw's one end is passed the regulation hole, the other end are used for contacting the up end of well week concrete, just adjusting screw is located connecting element with between the support element, the one end periphery cover that is close to well week concrete on the adjusting screw is equipped with adjusting nut, the adjusting nut contact be close to one side of well week concrete on the support, and be used for supporting the support.
9. The installation device of well lid of claim 1, characterized in that: the fixed block is the wooden sleeper, the wooden sleeper is four, and is used for even circumference to place in the well head periphery to be located the base lower extreme.
10. A method for installing a well lid is characterized in that: the installation device of the well lid based on any one of claims 1-9, comprising the following steps:
s1: prefabricating the bracket, and connecting the well cover and the bracket through the connecting element; s2: lifting the support to the wellhead, and enabling the well lid to be over against the wellhead; s3: placing each fixed block in the circumferential direction of a wellhead; s4: the well lid is lowered, when the well lid contacts the fixing block, the upper surface of the well lid is parallel to the horizontal plane, the supporting element is adjusted, the lower end of the supporting element contacts the asphalt lower surface layer, the contact point is flush with the upper end face of the well lid, the length of the supporting element between the asphalt lower surface layer and the contact point is the supporting height, and the supporting height is measured; s5: and (4) checking and accepting, dismantling the support, paving an asphalt upper surface layer around the well lid, wherein the thickness of the asphalt upper surface layer is equal to the supporting height.
CN202010985148.0A 2020-09-18 2020-09-18 Installation device and installation method of well lid Pending CN111945790A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010985148.0A CN111945790A (en) 2020-09-18 2020-09-18 Installation device and installation method of well lid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010985148.0A CN111945790A (en) 2020-09-18 2020-09-18 Installation device and installation method of well lid

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Publication Number Publication Date
CN111945790A true CN111945790A (en) 2020-11-17

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Application Number Title Priority Date Filing Date
CN202010985148.0A Pending CN111945790A (en) 2020-09-18 2020-09-18 Installation device and installation method of well lid

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114809093A (en) * 2022-05-20 2022-07-29 中建八局第二建设有限公司 Manhole cover positioning and mounting device and mounting construction method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114809093A (en) * 2022-05-20 2022-07-29 中建八局第二建设有限公司 Manhole cover positioning and mounting device and mounting construction method
CN114809093B (en) * 2022-05-20 2024-03-26 中建八局第二建设有限公司 Manhole cover positioning and mounting device and mounting construction method

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