CN210264720U - Inverted arch construction tool - Google Patents

Inverted arch construction tool Download PDF

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Publication number
CN210264720U
CN210264720U CN201921344385.8U CN201921344385U CN210264720U CN 210264720 U CN210264720 U CN 210264720U CN 201921344385 U CN201921344385 U CN 201921344385U CN 210264720 U CN210264720 U CN 210264720U
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CN
China
Prior art keywords
filling layer
support
translation
layer support
oil cylinder
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.)
Expired - Fee Related
Application number
CN201921344385.8U
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Chinese (zh)
Inventor
蒲小平
董子龙
汤靖
沙平平
董晓珂
夏宏升
李勇
郭杭
向安平
李一德
韦鹏飞
刘文博
曾秋勇
周海斌
陈振锋
贾海龙
邓川
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.)
Sanchu Co Ltd of China Railway Tunnel Group Co Ltd
Original Assignee
Sanchu Co Ltd of China Railway Tunnel Group Co Ltd
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 Sanchu Co Ltd of China Railway Tunnel Group Co Ltd filed Critical Sanchu Co Ltd of China Railway Tunnel Group Co Ltd
Priority to CN201921344385.8U priority Critical patent/CN210264720U/en
Application granted granted Critical
Publication of CN210264720U publication Critical patent/CN210264720U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an invert construction frock, this invert construction frock includes the filling layer support, and filling layer support bottom is equipped with the support grudging post for the filling layer support is unsettled, is equipped with the road plate on the filling layer support upper berth, and the front end and the rear end of filling layer support articulate respectively has preceding approach bridge, the back approach bridge that can rise and fall, its characterized in that all is equipped with cantilever frame body in the both sides of filling layer support, and one side of cantilever frame body is fixed on the filling layer support, and the opposite side is unsettled. The utility model provides an invert construction frock is provided with the cantilever frame body, erects this invert construction frock back, and the accessible bracing piece supports cantilever frame body on the invert template, has strengthened the bearing capacity of whole road plate. The utility model provides an invert construction frock is provided with preceding support grudging post and back support grudging post, and preceding support grudging post and back support grudging post can be with whole invert construction frock along transversely carrying out small removal to make things convenient for invert construction frock to arrange reasonable position in the hole.

Description

Inverted arch construction tool
Technical Field
The utility model relates to a tunnel construction equipment technical field, concretely relates to invert construction frock.
Background
The inverted arch is a reverse arch structure at the bottom of the tunnel and is one of main components of the tunnel structure, the inverted arch, the vault in the tunnel and the secondary lining at the side wall form the whole tunnel, the pressure of the stratum at the upper part of the tunnel can be effectively transmitted to the underground through the side wall structure of the tunnel or the load on the road surface, the counter force transmitted from the stratum at the lower part of the tunnel can be effectively resisted, and the structural stability is improved.
In the inverted arch construction process, materials need to be transported to the tunnel face or dregs need to be transported out of a hole along with excavation of the tunnel face, the materials need to pass through the inverted arch construction position in the transportation process, and according to the construction process requirements, the strength of concrete filled in the inverted arch needs to reach 5MPa, pedestrians are allowed to pass, vehicles are allowed to pass after 100% of the design strength is reached, and therefore the construction of the inverted arch is interfered with the excavation work of the tunnel face.
The construction of the inverted arch trestle solves the problem of interference of inverted arch construction and face excavation material transportation to a certain extent, and realizes simultaneous operation of inverted arch and face construction. For example, chinese patent publication No. CN205532632U describes a step-by-step hydraulic trestle for constructing a large-span inverted arch, which is equivalent to building a temporary bridge above the inverted arch construction site, and the temporary bridge serves as a material transportation path. The hydraulic trestle described in this patent document also has the following disadvantages: firstly, the hydraulic trestle is inconvenient to move, a trailer is required to be adopted for dragging when the hydraulic trestle moves along the axis direction in a front hole, the hydraulic trestle cannot move in the left-right direction in the hole, and when the trestle is stably installed in an inverted arch in the hole, the whole trestle inevitably needs to be slightly moved in the left-right direction to adjust the position of the trestle; secondly, the strength is not enough, the bearing capacity is limited, the hydraulic trestle only has a front fixed leg and a rear fixed leg as supports, but the span of the trestle is larger, the middle part of the trestle is lack of supports, and the strength of the trestle is weak.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an invert construction frock solves the poor technical problem of interim landing stage bearing capacity who is used for tunnel construction among the prior art.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides an invert construction frock, includes the filling layer support, filling layer support bottom is equipped with the support grudging post, makes the filling layer support is unsettled filling layer support upper berth is equipped with the road plate, just the front end and the rear end of filling layer support articulate respectively has preceding approach bridge, the back approach bridge that can rise and fall the both sides of filling layer support all are equipped with cantilever frame body, one side of cantilever frame body is fixed on the filling layer support, the opposite side is unsettled.
Preferably, a plurality of door-shaped vertical frames are erected on the filling layer support, and two sides of each door-shaped vertical frame are connected with the cantilever frame body through diagonal draw bars respectively.
Preferably, the cantilever frame body comprises a plurality of inverted triangle supports, and each inverted triangle support comprises a top transverse supporting rod and a lower inclined supporting rod; guardrails are fixedly arranged on two sides of the filling layer bracket, the transverse supporting rod is fixedly connected with one end of the inclined supporting rod, the other end of the transverse supporting rod is fixed at the top of the guardrail, and the other end of the inclined supporting rod is fixed at the side edge of the filling layer bracket; the inverted triangle supports of the cantilever frame body are connected through a plurality of longitudinal beams.
Preferably, guardrails are fixedly arranged on two sides of the filling layer support, and the front approach bridge and the rear approach bridge are respectively connected to corresponding end portions of the guardrails through a front approach bridge lifting oil cylinder and a rear approach bridge lifting oil cylinder.
Preferably, the supporting vertical frame comprises a rear supporting vertical frame positioned at the rear end of the filling layer bracket, the rear supporting vertical frame comprises a rear translation rail, a rear translation slider and a rear translation oil cylinder, the rear translation slider is fixedly installed at the bottom of the filling layer bracket, and the rear translation slider is matched with the rear translation rail; and one end of the rear translation oil cylinder is hinged on the rear translation rail, the other end of the rear translation oil cylinder is hinged on the filling layer bracket, and the rear translation rail and the rear translation oil cylinder are transversely arranged.
Preferably, the support vertical frames comprise two groups of front support vertical frames positioned on two sides of the front end of the filling layer support, each front support vertical frame comprises a vertical beam, a front translation rail, a front translation slider and a front translation oil cylinder, the vertical beam is fixedly installed at the bottom of the filling layer support, the front translation slider is fixedly installed at the bottom of the vertical beam, and the front translation slider is matched with the front translation rail; and one end of the front translation oil cylinder is hinged on the front translation rail, the other end of the front translation oil cylinder is hinged on the front translation sliding block, and the front translation rail and the front translation oil cylinder are transversely arranged.
Preferably, a cross beam is arranged between the vertical beams of the two groups of front supporting vertical frames, and a front guide hole is formed in the cross beam; the lower part of the front end of the filling layer support is further provided with a crawler, the top of the crawler is provided with a front telescopic beam corresponding to the front guide hole, the top of the front telescopic beam is provided with a front lifting oil cylinder, and the top of the front lifting oil cylinder is fixed to the bottom of the filling layer support.
Preferably, guardrails are fixedly arranged on two sides of the filling layer bracket, guide blocks are arranged on two sides of the rear end of the filling layer bracket, and the guide blocks are fixed on the guardrails; the rear telescopic beam is correspondingly arranged in the rear guide hole, a rear lifting oil cylinder is arranged at the top of the rear telescopic beam, the top of the rear lifting oil cylinder is arranged on the upper portion of the guardrail through a fixing module, a walking wheel holder is arranged at the bottom of the rear telescopic beam, and walking wheels are arranged in the walking wheel holder.
The utility model has the advantages of:
1. the utility model provides an invert construction frock is provided with the cantilever frame body, erects this invert construction frock back, and the accessible bracing piece supports cantilever frame body on the invert template, has strengthened the bearing capacity of whole road plate.
2. The utility model provides an invert construction frock is provided with preceding support grudging post and back support grudging post, and preceding support grudging post and back support grudging post can be with whole invert construction frock along transversely carrying out small removal to make things convenient for invert construction frock to arrange reasonable position in the hole.
Drawings
Fig. 1 is a schematic view of a three-dimensional structure in the bottom view direction of an embodiment of the inverted arch construction tool of the present invention;
fig. 2 is a schematic perspective view of a road plate in an embodiment of the inverted arch construction tool of the present invention;
fig. 3 is a schematic view of a three-dimensional structure in a top view direction of an embodiment of the inverted arch construction tool of the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 1;
FIG. 5 is an enlarged view of the portion B of FIG. 3;
FIG. 6 is an enlarged view of the portion C of FIG. 3;
fig. 7 is a right side view of an embodiment of the inverted arch construction tool of the present invention;
fig. 8 is a front view of an embodiment of the inverted arch construction tool of the present invention;
fig. 9 is a schematic perspective view of the cantilever frames connected together in an embodiment of the inverted arch construction tool of the present invention;
fig. 10 is a schematic perspective view of an inverted triangle bracket according to an embodiment of the inverted arch construction tool of the present invention;
fig. 11 is a schematic view of an embodiment of the inverted arch construction tool of the present invention when used in a hole.
In the drawings, each reference numeral means: the support comprises a filling layer support 11, filling layer support longitudinal beams 111, filling layer support cross beams 112, a road slab 12, a front approach bridge 13, a front approach bridge lifting oil cylinder 131, a rear approach bridge 14, a rear approach bridge lifting oil cylinder 141, a cantilever frame body 15, an inverted triangle support 151, a transverse support 1511, an inclined support 1512, a connecting plate 1513, a portal-shaped stand 152, a diagonal draw bar 153, longitudinal beams 154, a guardrail 16, a rear translation track 171, a rear translation slider 172, a rear translation oil cylinder 173, a vertical beam 181, a front translation track 182, a front translation slider 183, a front translation oil cylinder 184, a cross beam 191, a crawler 192, a front telescopic beam 193, a front lifting oil cylinder 194, a guide block 211, a rear telescopic beam 212, a rear lifting oil cylinder 213, a fixing module 214, a travelling wheel retainer 215, a travelling wheel 216, an inverted arch 22, a support rod 23, an inverted arch 24 and a flower basket bolt 25.
Detailed Description
The following embodiments are only intended to illustrate the present invention in detail, and do not limit the scope of the present invention in any way.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Example 1:
please refer to fig. 1 and 11 for an inverted arch construction tool.
As shown in fig. 1, the embodiment of the utility model provides an invert construction frock includes filling layer support 11, and filling layer support 11 includes that filling layer support longeron 111 and many intervals of both sides set up filling layer support crossbeam 112 between two filling layer support longerons 111, welds or bolted connection between filling layer support longeron 111 and the filling layer support crossbeam 112. A road plate 12 is laid on the filling layer support 11, as shown in fig. 2, the bottom of the road plate 12 is a frame made of i-steel, a checkered plate is fixedly arranged on the i-steel frame, the checkered plate is a steel plate, and a plurality of bar-shaped threaded reinforcing steel bars are welded on the upper surface of the checkered plate for skid resistance. A road plate 12 is respectively laid on the left side and the right side of the filling layer support 11, and the transport vehicle travels along the road plates 12 on the two sides.
The bottom of the filling layer support 11 is provided with a supporting vertical frame, so that the filling layer support 11 is suspended, the front end and the rear end of the filling layer support 11 are respectively hinged with a front approach bridge 13 and a rear approach bridge 14 which can rise and fall, a road plate 12 on the filling layer support 11 has a certain height from the ground, the front approach bridge 13 and the rear approach bridge 14 can be overlapped between the road plate 12 and the ground, and a vehicle can conveniently walk onto the road plate 12 from the ground and then walk onto the ground from the road plate 12. Thus, the space below the filling layer bracket 11 can be used for pouring filling concrete in the template after formwork support to form a tunnel lining.
As shown in fig. 4 and 5, the supporting vertical frame comprises a rear supporting vertical frame located at the rear end of the filling layer bracket, the rear supporting vertical frame comprises a rear translation rail 171, a rear translation slider 172 and a rear translation oil cylinder 173, the rear translation slider 172 is fixedly mounted at the bottom of the filling layer bracket 11, the rear translation slider 172 is matched with the rear translation rail 171, one end of the rear translation oil cylinder 173 is hinged to the rear translation rail 173 through an ear seat, the other end of the rear translation oil cylinder is hinged to the filling layer bracket 11 through an ear seat, and the rear translation rail 171 and the rear translation oil cylinder 173 are both transversely arranged. All be equipped with back translation hydro-cylinder 173 in the both sides of back translation track 171, subaerial in installing the hole with the whole inverted arch construction frock of this embodiment, can promote filling layer support 11 through the concertina action of back translation hydro-cylinder 173 and carry out small removal along transversely in back translation track 171 to the convenient suitable position in the hole of laying inverted arch construction frock.
As shown in fig. 6, the supporting vertical frame further includes two sets of front supporting vertical frames located on two sides of the front end of the filling layer support 11, each front supporting vertical frame includes a vertical beam 181, a front translation rail 182, a front translation slider 183 and a front translation cylinder 184, the vertical beam 181 is formed by welding a checkered plate and an i-steel, the upper end of the vertical beam 181 is fixedly mounted at the bottom of the filling layer support 11, the front translation slider 183 is fixedly mounted at the bottom of the vertical beam 181, the front translation slider 183 is matched with the front translation rail 182, one end of the front translation cylinder 184 is hinged to the front translation rail 182 through an ear seat, the other end of the front translation cylinder is hinged to the front translation slider 183 through an ear seat, and the front translation rail 182 and the front translation cylinder 184 are both arranged. Support grudging post before two sets of all is equipped with preceding translation hydro-cylinder 184, when installing the subaerial in the hole with the whole inverted arch construction frock of this embodiment, can promote filling layer support 11 along transversely carrying out small removal in the front on translation track 182 through the concertina action of preceding translation hydro-cylinder 184 to convenient suitable position in the hole is laid to the inverted arch construction frock.
Further, as shown in fig. 6, a cross beam 191 is arranged between the vertical beams 181 of the two groups of front supporting vertical frames, a crawler 192 is further arranged at the lower part of the front end of the filling layer support, a front guide hole is arranged in the middle of the cross beam 191, a front telescopic beam 193 corresponding to the front guide hole is arranged at the top of the crawler, a front lift cylinder 194 is arranged at the top of the front telescopic beam 193, and the top of the front lift cylinder 194 is fixed at the bottom of the filling layer support 11.
After the inverted arch construction tool is erected, the front end of the filling layer bracket 11 is supported by a front supporting vertical frame, and a front lifting oil cylinder 194 extends upwards to drive a crawler 192 to retract; when the inverted arch construction tool needs to move in the hole, the front lifting oil cylinder 194 extends downwards to drive the crawler 192 to fall down, the front supporting vertical frame is suspended, and the crawler 192 can walk along the ground. The crawler-mounted trolley 192 can adopt a crawler-mounted platform with the model number being SJ350B, and has strong bearing capacity.
As shown in fig. 5, guard rails 16 are fixedly arranged on two sides of a filling layer support 11, guide blocks 211 are arranged on two sides of the rear end of the filling layer support 11, the guide blocks 211 are fixed on the guard rails 16, rear guide holes are formed in the guide blocks 211, rear telescopic beams 212 are correspondingly arranged in the rear guide holes, rear lifting cylinders 213 are arranged at the tops of the rear telescopic beams 212, the tops of the rear lifting cylinders 213 are mounted on the upper portions of the guard rails 16 through fixing modules 214, traveling wheel holders 215 are arranged at the bottoms of the rear telescopic beams 212, and traveling wheels 216 are mounted in the traveling wheel holders 215 through rotating shafts.
After the inverted arch construction tool is erected, the rear end of the filling layer bracket 11 is supported by a rear supporting vertical frame, and the rear lifting oil cylinder 213 extends upwards to drive the travelling wheel retainer 215 to retract upwards; when the inverted arch construction tool needs to move in the hole, the rear lifting oil cylinder 213 extends downwards to drive the walking wheel retainer 215 to fall, the rear supporting vertical frame is suspended, and when the crawler-type trolley 192 walks along the ground, the walking wheels 216 in the walking wheel retainer 215 can walk together.
As shown in fig. 8, in the present embodiment, the rear access axle 14 is connected to the corresponding end portion of the guard rail 16 by a rear access axle lift cylinder 141, the front access axle 13 is connected to the upright beam 181 by a front access axle lift cylinder 131, and the rear access axle 14 and the front access axle 13 can be lifted and lowered by the rear access axle lift cylinder 141 and the front access axle lift cylinder 131, respectively.
Further, as shown in fig. 1, cantilever frames 15 are disposed on both sides of the filling layer support 11, one side of each cantilever frame 15 is fixed on the filling layer support, and the other side is suspended. Specifically, as shown in fig. 9, the cantilever body 15 includes a plurality of inverted triangular brackets 151, and the inverted triangular brackets 151 of the cantilever body 15 are connected to each other by a plurality of longitudinal beams 154. As shown in fig. 10, the inverted triangle bracket 151 includes a top transverse strut 1511 and a lower diagonal strut 1512, the top transverse strut 1511 is fixedly connected to one end of the diagonal strut 1512, the other end of the transverse strut 1511 is fixed to the top of the guardrail 16, the other end of the diagonal strut 1512 is provided with a connecting plate 1513, and the diagonal strut 1512 is fixed to the side of the infill layer bracket 11 through the connecting plate 1513. In addition, three portal-shaped vertical frames 152 are erected on the filling layer support 11, and the two sides of the portal-shaped vertical frames 152 are respectively connected with the cantilever frame bodies 15 through the diagonal draw bars 153, so that the cantilever frame bodies 15 on the two sides of the filling layer support 11 are integrated, and the supporting capacity is stronger.
The cantilever frame body 15 mainly plays a role of supporting the whole inverted arch construction tool, as shown in fig. 11, in the construction process, the cantilever frame body 15 can be supported on an inverted arch formwork 22 through a plurality of support rods 23, the end portions of some of the support rods 23 can be movably supported on the cantilever frame body 15 or on the inverted arch formwork 22, and then the end portions are connected to the cantilever frame body 15 or the inverted arch formwork 22 through basket bolts, so as to adjust the support positions of the support rods 23. Because the supporting rods 23 are more and dispersed, the supporting rods 23 do not damage the inverted arch 24 before the inverted arch 24 poured with concrete at the bottom of the inverted arch formwork 22 reaches the highest strength.
The present invention has been described in detail with reference to the accompanying drawings and embodiments, but those skilled in the art will understand that various specific parameters in the above embodiments can be changed without departing from the spirit of the present invention to form a plurality of specific embodiments, which are the common variation ranges of the present invention and will not be described in detail herein.

Claims (8)

1. The utility model provides an invert construction frock, includes the filling layer support, filling layer support bottom is equipped with the support grudging post, makes the filling layer support is unsettled filling layer support upper berth is equipped with the road plate, just the front end and the rear end of filling layer support articulate respectively has preceding approach bridge, the back approach bridge that can rise and fall, its characterized in that the both sides of filling layer support all are equipped with cantilever frame body, one side of cantilever frame body is fixed on the filling layer support, the opposite side is unsettled.
2. The inverted arch construction tool according to claim 1, wherein a plurality of portal-shaped vertical frames are erected on the filling layer support, and two sides of each portal-shaped vertical frame are connected with the cantilever frame body through diagonal draw bars respectively.
3. The inverted arch construction tool according to claim 1, wherein the cantilever frame body comprises a plurality of inverted triangle brackets, and the inverted triangle brackets comprise a top transverse supporting rod and a lower inclined supporting rod; guardrails are fixedly arranged on two sides of the filling layer bracket, the transverse supporting rod is fixedly connected with one end of the inclined supporting rod, the other end of the transverse supporting rod is fixed at the top of the guardrail, and the other end of the inclined supporting rod is fixed at the side edge of the filling layer bracket; the inverted triangle supports of the cantilever frame body are connected through a plurality of longitudinal beams.
4. The inverted arch construction tool according to claim 1, wherein guardrails are fixedly arranged on two sides of the filling layer support, and the front approach bridge and the rear approach bridge are connected to corresponding end portions of the guardrails through a front approach bridge lifting oil cylinder and a rear approach bridge lifting oil cylinder respectively.
5. The inverted arch construction tool according to claim 1, wherein the support stand comprises a rear support stand located at the rear end of the filling layer support, the rear support stand comprises a rear translation rail, a rear translation slider and a rear translation cylinder, the rear translation slider is fixedly mounted at the bottom of the filling layer support, and the rear translation slider is matched with the rear translation rail; and one end of the rear translation oil cylinder is hinged on the rear translation rail, the other end of the rear translation oil cylinder is hinged on the filling layer bracket, and the rear translation rail and the rear translation oil cylinder are transversely arranged.
6. The inverted arch construction tool according to claim 1, wherein the support stands comprise two groups of front support stands positioned on two sides of the front end of the filling layer support, each front support stand comprises a vertical beam, a front translation rail, a front translation slider and a front translation oil cylinder, the vertical beam is fixedly installed at the bottom of the filling layer support, the front translation slider is fixedly installed at the bottom of the vertical beam, and the front translation slider is matched with the front translation rail; and one end of the front translation oil cylinder is hinged on the front translation rail, the other end of the front translation oil cylinder is hinged on the front translation sliding block, and the front translation rail and the front translation oil cylinder are transversely arranged.
7. The inverted arch construction tool according to claim 6, wherein a cross beam is arranged between the vertical beams of the two groups of front support vertical frames, and a front guide hole is formed in the cross beam; the lower part of the front end of the filling layer support is further provided with a crawler, the top of the crawler is provided with a front telescopic beam corresponding to the front guide hole, the top of the front telescopic beam is provided with a front lifting oil cylinder, and the top of the front lifting oil cylinder is fixed to the bottom of the filling layer support.
8. The inverted arch construction tool according to claim 1, wherein guardrails are fixedly arranged on two sides of the filling layer bracket, guide blocks are arranged on two sides of the rear end of the filling layer bracket, and the guide blocks are fixed on the guardrails; the rear telescopic beam is correspondingly arranged in the rear guide hole, a rear lifting oil cylinder is arranged at the top of the rear telescopic beam, the top of the rear lifting oil cylinder is arranged on the upper portion of the guardrail through a fixing module, a walking wheel holder is arranged at the bottom of the rear telescopic beam, and walking wheels are arranged in the walking wheel holder.
CN201921344385.8U 2019-08-19 2019-08-19 Inverted arch construction tool Expired - Fee Related CN210264720U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921344385.8U CN210264720U (en) 2019-08-19 2019-08-19 Inverted arch construction tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921344385.8U CN210264720U (en) 2019-08-19 2019-08-19 Inverted arch construction tool

Publications (1)

Publication Number Publication Date
CN210264720U true CN210264720U (en) 2020-04-07

Family

ID=70017700

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921344385.8U Expired - Fee Related CN210264720U (en) 2019-08-19 2019-08-19 Inverted arch construction tool

Country Status (1)

Country Link
CN (1) CN210264720U (en)

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20200407

Termination date: 20210819