CN220058818U - Concrete retaining wall template installation mechanism with hydraulic cylinder protection device - Google Patents
Concrete retaining wall template installation mechanism with hydraulic cylinder protection device Download PDFInfo
- Publication number
- CN220058818U CN220058818U CN202320773259.4U CN202320773259U CN220058818U CN 220058818 U CN220058818 U CN 220058818U CN 202320773259 U CN202320773259 U CN 202320773259U CN 220058818 U CN220058818 U CN 220058818U
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- hydraulic cylinder
- retaining wall
- die
- support column
- oil cylinder
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- 239000004567 concrete Substances 0.000 title claims abstract description 42
- 238000009434 installation Methods 0.000 title description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 17
- 239000010959 steel Substances 0.000 claims abstract description 17
- 239000010720 hydraulic oil Substances 0.000 claims description 16
- 239000003921 oil Substances 0.000 claims description 16
- 210000004907 gland Anatomy 0.000 claims description 10
- 239000000725 suspension Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000008602 contraction Effects 0.000 claims description 2
- 238000009415 formwork Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000005484 gravity Effects 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 7
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The utility model discloses a concrete retaining wall template mounting mechanism with a hydraulic cylinder protection device, which comprises a main frame, a template, a hydraulic cylinder and a protection device. The template is divided into an outer mold and an inner mold of the concrete anti-collision retaining wall. The main frame comprises two outer side support columns for installing the outer mold and two inner side support columns for installing the inner mold, and the two side support columns are connected through a top steel beam. The hydraulic cylinder is arranged on the support column and is connected with the main frame and the template. The protection device is arranged on the support column and connected with the hydraulic cylinder, and can apply vertical upward acting force to the hydraulic cylinder through the protection device, so that the gravity applied to the hydraulic cylinder by the template is balanced, the hydraulic cylinder can be protected, and the service life of the hydraulic cylinder is prolonged; meanwhile, the position of the template is prevented from being changed due to deformation of the hydraulic cylinder when the concrete retaining wall is poured, so that the quality of the poured concrete retaining wall is ensured to reach the standard.
Description
Technical Field
The utility model relates to the field of highway concrete anti-collision retaining wall mounting, in particular to a concrete retaining wall template mounting mechanism with a hydraulic cylinder protection device.
Background
The highway anticollision retaining wall sets up in the road surface both sides, guarantees that the people car passes safely, effectively prevents unexpected collision, fall risk, has the function such as vehicle etc. can not pass through, overturns and beautifies building model. At present, a base of a reinforced concrete structure is adopted for an anti-collision retaining wall, effective height and line type are ensured by measuring paying-off during construction, reinforcing steel bars are welded and bound and formed firstly, then an anti-collision retaining wall template is installed on the inner side and the outer side of a reinforcing steel bar framework, concrete is poured, and the template is removed after the concrete strength meets construction requirements, so that the construction of the anti-collision retaining wall is completed. Wherein the installation and removal of the form is an extremely important step.
The Chinese patent utility model discloses a concrete retaining wall template mounting mechanism, patent number CN202221875493.X; the mounting mechanism comprises a main frame, a template and a displacement mechanism; the main frame is arranged on the erection trolley and is connected with the template and the main frame through the displacement mechanism; when in use, the main frame of the installation mechanism is placed at the position of the required installation template through the erection mechanism, and then the combined template is installed through the displacement mechanism. The installation of the installation mechanism does not need to install the template through the mode of the pull rod by traditional manual work, the action of the whole installation mechanism is controlled through the displacement mechanism, the condition that the pull rod and the anti-collision wall steel bars interfere with each other cannot exist, the pull rod holes cannot be left on the formed concrete anti-collision wall, the overall structural strength and the appearance quality of the anti-collision wall concrete are greatly improved, more than 2/3 of labor is saved compared with the conventional construction method, and the potential safety hazard of suspending operation of edge constructors at the high position of the bridge can be avoided.
However, there is a disadvantage in using the technique of the disclosed patent in which the form has a certain weight, and in the disclosed patent, the form is supported only by a displacement mechanism, that is, a hydraulic cylinder, and the hydraulic cylinder is disposed laterally; after long-time use, the top end of the hydraulic cylinder is subjected to gravity in the vertical direction for a long time, so that the hydraulic cylinder is easy to bend downwards, even the internal structure of the hydraulic cylinder is damaged, the cost for replacing the hydraulic cylinder is too high, and the construction period is delayed. On the other hand, when the concrete retaining wall is poured, the position of the template is changed due to the deformation of the hydraulic cylinder, so that the shape or the position of the poured concrete retaining wall is often incorrect, and the overall quality does not reach the standard.
Disclosure of Invention
In view of the above problems, the present utility model aims to provide a concrete retaining wall formwork installation mechanism with a hydraulic cylinder protection device based on the prior art; the hydraulic cylinder protection device is additionally arranged on the main frame to protect the hydraulic cylinder connected between the main frame and the template from being stressed in the vertical direction, so that the hydraulic cylinder is prevented from being deformed or damaged due to bearing in the use of the template mounting mechanism.
The specific utility model is realized as follows:
a concrete retaining wall template mounting mechanism with a hydraulic cylinder protection device comprises a main frame, a template and a hydraulic cylinder; the device also comprises a protection device;
the template is divided into an outer mold and an inner mold of the concrete anti-collision retaining wall, and a hollow area is formed between the outer mold and the inner mold when the outer mold and the inner mold are combined and is set as a concrete pouring space;
the main frame comprises four support columns, wherein the four support columns are divided into two outer support columns for mounting an outer die and two inner support columns for mounting an inner die, and the two support columns are connected through a top steel beam;
the hydraulic oil cylinder is arranged on the support column and connected with the main frame and the template, and the outer die and the inner die can be combined or separated through the telescopic hydraulic oil cylinder;
a protection device; the protection device is arranged on the support column and connected with the hydraulic oil cylinder, and can apply vertical upward acting force to the hydraulic oil cylinder.
Further, the hydraulic cylinder comprises an outer mold upper cylinder hinged in the middle of the outer support column, an outer mold lower cylinder horizontally arranged at the lower part of the outer support column, an inner mold upper cylinder hinged in the middle of the inner support column and an inner mold lower cylinder horizontally arranged at the lower part of the inner support column, and the hydraulic cylinders are oppositely arranged and arranged according to the telescopic direction; the four corners of the outer surface of the outer mold and the four corners of the outer surface of the inner mold are provided with hinge positions connected with a hydraulic oil cylinder, and the outer mold and the inner mold can be combined or separated through the expansion and the contraction of the hydraulic oil cylinder; the protection device is arranged above the inner die lower oil cylinder and the outer die lower oil cylinder respectively and is connected with the extending end of the oil cylinder.
Further, the protection device comprises a cantilever beam, a suspender, a supporting roller and a pressing roller; one end of the cantilever beam is positioned in the support column, and the other end of the cantilever beam extends out of the support column; the support roller is arranged below one end of the cantilever beam positioned in the support column and pushes the cantilever beam upwards, and the lower pressure roller is arranged above one end of the cantilever beam positioned in the support column and pushes the cantilever beam downwards; the suspension rod is vertically arranged at one end part of the cantilever beam extending out of the supporting column, and can suspend the extending end of the oil cylinder and synchronously move along with the extending end of the oil cylinder.
Further, the boom is movably and vertically arranged through one end part of the cantilever beam, which extends out of the supporting column, a piston rod hanging ring is fixedly arranged at the bottom end of the boom, and the extending end of the oil cylinder passes through the piston rod hanging ring and is fixedly connected with the piston rod hanging ring; the part of the suspender above the cantilever beam is sleeved with a spring, a spring pressing cover is arranged above the spring and sleeved on the suspender, and the spring pressing cover can press the spring; the top end of the suspender is provided with external threads, and the height of the spring gland can be limited by screwing the suspender nut.
Further, the support roller is closer to one end of the cantilever beam extending out of the support column than the pressing roller.
Further, an operation platform is arranged between the outer support columns on the same side, the operation platform comprises an operation bottom plate and operation guardrails, and the operation bottom plate is upwards arranged at the lower end between the two outer support columns on the same side and used for providing standing for operators; the operation guardrail is arranged between the two outer support columns at the same side and is positioned at the outer side of the operation guardrail for protecting operation personnel standing on the operation platform.
Further, the outer die and the inner die are provided with mounting connecting holes at the ends, and the outer die and the inner die can be combined and spliced together through the mounting connecting holes and bolts.
Further, the outer surfaces of the outer die and the inner die are provided with transverse and longitudinal staggered reinforcing ribs.
Further, the inner surfaces of the outer die and the inner die are coated with release coatings.
Further, the top girder steel is bilayer structure, links to each other through the steel sheet between the two-layer girder steel.
The working principle of the utility model is as follows:
the concrete retaining wall template mounting mechanism is provided with a hydraulic cylinder protection device (11), and when the concrete retaining wall template mounting mechanism is used, the extension ends of an outer mold lower oil cylinder (8) connected between an outer mold (1) and an outer side support column (3) and an inner mold lower oil cylinder (10) connected between an inner mold (2) and an inner side support column (4) can be both subjected to upward tensile force provided by the protection device (11); the gravity of the outer die (1) and the inner die to the hydraulic cylinder is balanced. The piston rod hanging ring (115) is fixed at the extending end of the hydraulic oil cylinder, and the cantilever beam (111) is pressed by the downward pressing roller (116) with the supporting roller (117) as a fulcrum; when the extending end of the hydraulic cylinder extends, the cantilever beam (111) slides out in parallel along with the extending end of the hydraulic cylinder, and the hanging rod (112) is upwards pulled by the upward elastic force of the spring (113), so that the extending end of the hydraulic cylinder is protected from bending and deforming downwards. The elastic force of the spring (113) can be adjusted by adjusting the height of the spring gland (114), so that the downward pressure of the template to the hydraulic cylinder is balanced.
Compared with the prior art, the utility model has the following beneficial effects:
compared with the prior art, the utility model balances the gravity applied by the template to the hydraulic cylinder through the protection device, thereby protecting the hydraulic cylinder and prolonging the service life of the hydraulic cylinder; meanwhile, the position of the template is prevented from being changed due to deformation of the hydraulic cylinder when the concrete retaining wall is poured, so that the quality of the poured concrete retaining wall is ensured to reach the standard.
Drawings
FIG. 1 is a perspective view showing a use state of an embodiment of the present utility model;
FIG. 2 is a front view of the usage state of the embodiment of the present utility model;
FIG. 3 is a partial schematic view illustrating a usage state according to an embodiment of the present utility model;
FIG. 4 is a schematic view of an installation of a protection device according to an embodiment of the present utility model;
fig. 5 is a sectional view of the installation of the protection device according to the embodiment of the present utility model.
Wherein:
1-outer die, 2-inner die, 3-outer support column, 4-inner support column, 5-steel beam and 6-steel
Plate, 7-upper cylinder of outer die, 8-lower cylinder of outer die, 9-upper cylinder of inner die, 10
-an oil cylinder at the lower part of the inner mould, 11-a protection device, 12-an operation bottom plate, 13-an operation guardrail,
14-mounting connection holes;
111-cantilever beam, 112-suspender, 113-spring, 114-spring gland, 115-piston rod crane
Ring, 116-hold down roller, 117-support roller.
Detailed Description
In order to make the technical means, the creation characteristics and the achievement of the aim of the utility model easy to understand, the technical scheme of the utility model is further described below by combining the embodiment and the specific implementation of the concrete retaining wall template mounting mechanism provided with the hydraulic cylinder protection device.
As shown in fig. 1 to 5, the concrete retaining wall form mounting mechanism provided with a hydraulic cylinder protection device according to this embodiment includes: a main frame, a template, a hydraulic cylinder and a protection device 11. The main frame is connected to the erection mechanism and comprises four support columns, wherein the four support columns are divided into two outer support columns 3 for installing the outer mold 1 and two inner support columns 4 for installing the inner mold 2, the two support columns are connected through steel beams 5 at the top, the top steel beam 5 is of a double-layer structure, and the two steel beams 5 are obliquely connected with the steel beams 5 through steel plates 6; the upper part and the lower part of the outer support column 3 are provided with mounting hole sites for mounting the operation platform. The operation platform comprises an operation bottom plate 12 and operation guardrails 13, wherein the operation bottom plate 12 is installed between the outer support columns 3 through the installation hole site of the lower parts of the outer support columns 3 in a plate surface-up mode, the operation guardrails 13 are installed on the outer side of the operation bottom plate 12, and the operation bottom plate is installed between the outer support columns 3 through the installation hole site of the upper parts of the outer support columns 3.
The template is divided into an outer die 1 far away from the center of the pavement and an inner die 2 close to the center of the pavement, a hollow area is formed between the outer die 1 and the inner die 2 when the outer die 1 and the inner die 2 are combined and is set to be a concrete pouring space, four corners of the outer surface of the outer die 1 and four corners of the outer surface of the inner die 2 are provided with hinging positions, the outer die 1 and the inner die 2 are connected with corresponding position cylinders through hinges, mounting connecting holes 14 are formed in the ends of the outer die 1 and the inner die 2 and are used for mounting an end face sealing cover plate or connecting another outer die 1 or inner die 2, transverse and longitudinal staggered reinforcing ribs are arranged on the outer surface of the template, and the inner surface of the template is coated with a demolding coating.
The hydraulic cylinders are respectively an outer mold upper cylinder 7 hinged in the middle of the outer support column 3 and an outer mold lower cylinder 8 arranged at the lower part of the outer support column 3, an inner mold upper cylinder 9 hinged in the middle of the inner support column 4 and an inner mold lower cylinder 10 arranged at the lower part of the inner support column 4, wherein the outer mold lower cylinder 86 and the inner mold lower cylinder 10 are horizontally arranged in pairs, and the outer mold upper cylinder 7 and the inner mold upper cylinder 9 are obliquely and downwards arranged in opposite directions according to the extending direction of the cylinders.
The protection device 11 comprises a cantilever beam 111, a suspension rod 112, a supporting roller 117 and a pressing roller 116; one end of the cantilever beam 111 is positioned inside the support column, and the other end extends out of the support column; the support roller 117 is arranged below one end of the cantilever beam 111 positioned in the support column and is used for supporting the cantilever beam 111 upwards, and the lower pressing roller 116 is arranged above one end of the cantilever beam 111 positioned in the support column and is used for pressing the cantilever beam 111 downwards; the upper end of the lower pressure roller 116 is provided with an adjusting bolt and a locking nut, and the lower pressure roller 116 is fixed on the supporting column in a matched manner through the adjusting bolt and the adjusting nut, so that the height of the lower pressure roller 116 is adjusted. The support roller 117 protrudes beyond the support column end closer to the cantilever beam 111 than the hold-down roller 116. The boom 112 is movably and vertically installed through one end part of the cantilever beam 111, which extends out of the supporting column, a piston rod lifting ring 115 is fixedly arranged at the bottom end of the boom 112, and the extending end of the oil cylinder passes through the piston rod lifting ring 115 and is fixedly connected with the piston rod lifting ring 115; a spring 113 is sleeved on the part of the boom 112 above the cantilever beam 111, a spring gland 114 is sleeved on the boom 112 above the spring 113, and the spring gland 114 can press the spring 113; the top end of the boom 112 is provided with external threads, which limit the height of the spring gland 114 by screwing in the nut of the boom 112. The cantilever beam 111 on the protection device 11 is parallel to the corresponding hydraulic cylinder, and the boom 112 can hang the extending end of the cylinder and can synchronously move along with the extending end of the cylinder.
The specific use is as follows:
before use, the horizontal position of the cantilever beam 111 on the protecting device 11 is adjusted by adjusting the height of the upper and lower pressing bolts of each protecting device 11, so that the cantilever beam is ensured to be parallel to the protected hydraulic cylinder. Then the position of the spring gland 114 is adjusted according to the weight of the template, so that the force of the spring 113 is adjusted, and the force balance of the hydraulic cylinder in the vertical direction is ensured. Then, the main frame is placed at a measured position through the erection mechanism, then the remote control hydraulic oil cylinder is pushed out, the outer die 1 and the inner die 2 are combined and form a concrete pouring space between the two, then the end face sealing cover plate is installed at the end part of the die plate, a proper amount of concrete is filled into the hollow area, the concrete is solidified, the strength meets the construction requirement, the end face sealing cover plate is removed, the remote control hydraulic oil cylinder is retracted, the inner die 2 of the outer die 1 is separated from the concrete anti-collision protection wall, and the erection mechanism is removed to complete the construction. The cantilever beam 111 moves along with the lower hydraulic cylinder simultaneously when the template is pushed out and retracted, so that the lower hydraulic cylinder is uniformly stressed and cannot deform.
It is to be understood that the above-described embodiments of the present utility model are merely illustrative of or explanation of the principles of the present utility model and are in no way limiting of the utility model. Accordingly, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present utility model should be included in the scope of the present utility model. Furthermore, the appended claims are intended to cover all such changes and modifications that fall within the scope and boundary of the appended claims, or equivalents of such scope and boundary.
Claims (10)
1. A concrete retaining wall template mounting mechanism with a hydraulic cylinder protection device comprises a main frame, a template and a hydraulic cylinder; the method is characterized in that: also comprises a protection device (11);
the formwork is divided into an outer mold (1) and an inner mold (2) of the concrete anti-collision retaining wall, and a hollow area is formed between the outer mold (1) and the inner mold (2) when the outer mold and the inner mold are combined and is set as a concrete pouring space;
the main frame comprises four support columns, wherein the four support columns are divided into two outer support columns (3) for mounting an outer mold (1) and two inner support columns (4) for mounting an inner mold (2), and the two support columns are connected through a top steel beam (5);
the hydraulic oil cylinder is arranged on the support column and connected with the main frame and the template, and the outer die (1) and the inner die (2) can be combined or separated through the telescopic hydraulic oil cylinder;
a protection device (11); the hydraulic oil cylinder is arranged on the support column and connected with the hydraulic oil cylinder, and the protection device (11) can apply vertical upward acting force to the hydraulic oil cylinder.
2. A concrete retaining wall form mounting mechanism provided with hydraulic cylinder protection means as claimed in claim 1, wherein: the hydraulic cylinder comprises an outer mold upper cylinder (7) hinged to the middle of the outer support column (3), an outer mold lower cylinder (8) horizontally arranged on the lower part of the outer support column (3), an inner mold upper cylinder (9) hinged to the middle of the inner support column (4) and an inner mold lower cylinder (10) horizontally arranged on the lower part of the inner support column (4), and the hydraulic cylinders are oppositely arranged and arranged according to the telescopic direction; the four corners of the outer surface of the outer die (1) and the four corners of the outer surface of the inner die (2) are provided with hinge positions connected with a hydraulic oil cylinder, and the outer die (1) and the inner die (2) can be combined or separated through the expansion and the contraction of the hydraulic oil cylinder; the protection device (11) is respectively arranged above the inner die lower oil cylinder (10) and the outer die lower oil cylinder (8) and is connected with the extending end of the oil cylinder.
3. A concrete retaining wall form mounting mechanism provided with hydraulic cylinder protection means as claimed in claim 2, wherein: the protection device (11) comprises a cantilever beam (111), a suspension rod (112), a supporting roller (117) and a pressing roller (116); one end of the cantilever beam (111) is positioned in the support column, and the other end extends out of the support column; the support roller (117) is arranged below one end of the cantilever beam (111) positioned in the support column and is used for supporting the cantilever beam (111) upwards, and the lower pressing roller (116) is arranged above one end of the cantilever beam (111) positioned in the support column and is used for pressing the cantilever beam (111) downwards; the suspension rod (112) is vertically arranged at one end part of the cantilever beam (111) extending out of the supporting column, and the suspension rod (112) can suspend the extending end of the oil cylinder and can synchronously move along with the extending end of the oil cylinder.
4. A concrete retaining wall form mounting mechanism provided with hydraulic cylinder protection means as claimed in claim 3, wherein: the lifting rod (112) is movably and vertically arranged at one end part penetrating through the cantilever beam (111) and extending out of the supporting column, a piston rod lifting ring (115) is fixedly arranged at the bottom end of the lifting rod (112), and the extending end of the oil cylinder penetrates through the piston rod lifting ring (115) and is fixedly connected with the piston rod lifting ring (115); a part of the suspender (112) above the cantilever beam (111) is sleeved with a spring (113), a spring gland (114) is arranged above the spring (113) and sleeved on the suspender (112), and the spring gland (114) can press the spring (113); the top end of the suspender (112) is provided with external threads, and the height of the spring gland (114) can be limited by screwing a nut of the suspender (112).
5. A concrete retaining wall form mounting mechanism provided with hydraulic cylinder protection means as claimed in claim 3, wherein: the support roller (117) is closer to one end of the cantilever beam (111) extending out of the support column than the pressing roller (116).
6. A concrete retaining wall form mounting mechanism provided with hydraulic cylinder protection means as claimed in claim 1, wherein: an operation platform is arranged between the outer support columns (3) on the same side and comprises an operation bottom plate (12) and operation guardrails (13), and the plate surface of the operation bottom plate (12) is upwards arranged at the lower end between the two outer support columns (3) on the same side and used for providing standing for operators; the operation guardrail (13) is arranged between the two outer support columns (3) on the same side, is positioned on the outer side of the operation guardrail (13) and is used for protecting operators standing on the operation platform.
7. A concrete retaining wall form mounting mechanism provided with hydraulic cylinder protection means as claimed in claim 1, wherein: the end heads of the outer die (1) and the inner die (2) are provided with mounting connecting holes (14), and the outer die (1) and the inner die (2) can be combined and spliced together through the mounting connecting holes (14) and bolts.
8. A concrete retaining wall form mounting mechanism provided with hydraulic cylinder protection means as claimed in claim 7, wherein: the outer surfaces of the outer die (1) and the inner die (2) are provided with transverse and longitudinal staggered reinforcing ribs.
9. A concrete retaining wall form mounting mechanism provided with hydraulic cylinder protection means as claimed in claim 8, wherein: the inner surfaces of the outer die (1) and the inner die (2) are coated with release coatings.
10. A concrete retaining wall form mounting mechanism provided with hydraulic cylinder protection means as claimed in claim 1, wherein: the top steel beam (5) is of a double-layer structure, and the two layers of steel beams (5) are connected through a steel plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320773259.4U CN220058818U (en) | 2023-04-10 | 2023-04-10 | Concrete retaining wall template installation mechanism with hydraulic cylinder protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320773259.4U CN220058818U (en) | 2023-04-10 | 2023-04-10 | Concrete retaining wall template installation mechanism with hydraulic cylinder protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220058818U true CN220058818U (en) | 2023-11-21 |
Family
ID=88759545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320773259.4U Active CN220058818U (en) | 2023-04-10 | 2023-04-10 | Concrete retaining wall template installation mechanism with hydraulic cylinder protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220058818U (en) |
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2023
- 2023-04-10 CN CN202320773259.4U patent/CN220058818U/en active Active
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