CN212478230U - Hydraulic precast floor slab supporting device - Google Patents
Hydraulic precast floor slab supporting device Download PDFInfo
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- CN212478230U CN212478230U CN202021359141.XU CN202021359141U CN212478230U CN 212478230 U CN212478230 U CN 212478230U CN 202021359141 U CN202021359141 U CN 202021359141U CN 212478230 U CN212478230 U CN 212478230U
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- precast floor
- floor slab
- telescoping mechanism
- hydraulic telescoping
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Abstract
The utility model discloses a fluid pressure type precast floor strutting arrangement, hold portion including installation department, hydraulic telescoping mechanism and top, the installation department is used for installing on wall body or room roof beam, hydraulic telescoping mechanism set up in on the installation department, the portion of holding on the top set up in hydraulic telescoping mechanism keeps away from the one end of installation department, the portion of holding on the top is used for holding precast floor on the top. According to the utility model discloses fluid pressure type precast floor strutting arrangement, it is more convenient to be under construction during installation precast floor, and the efficiency of construction is higher, and construction quality is better simultaneously.
Description
Technical Field
The utility model relates to a strutting arrangement, in particular to fluid pressure type precast floor strutting arrangement.
Background
In the assembly type building engineering construction field, prefabricated wall body, prefabricated post, prefabricated coincide floor and full prefabricated floor are common prefabricated component, and safe effectual prefabricated component bearing structure guarantees its prerequisite that can normally be under construction.
In the existing construction process, after a wall or a house beam is built, prefabricated floor slabs such as a prefabricated composite floor slab or a full prefabricated floor slab are installed on the wall or the house beam, and in the process of installing the prefabricated floor slabs, a support frame is generally arranged on the ground below the prefabricated floor slabs and is used for supporting the prefabricated floor slabs, so that construction is safer and more convenient.
However, the existing support frame is arranged on the ground below the prefabricated floor slab, not only occupies the construction space below the prefabricated floor slab, but also causes construction difficulty and influences the construction efficiency. In addition, the elevation of precast floor slab can not be adjusted to current support frame, and then influences construction quality.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a fluid pressure type precast floor strutting arrangement, it is more convenient to be under construction during installation precast floor, and the efficiency of construction is higher, and construction quality is better simultaneously.
The hydraulic type precast floor slab supporting device according to the embodiment of the utility model comprises a support frame;
the mounting part is mounted on a wall or a house beam;
the hydraulic telescopic mechanism is arranged on the mounting part;
the jacking portion is arranged at one end, far away from the installation portion, of the hydraulic telescopic mechanism and used for jacking the prefabricated floor slab.
According to the utility model discloses fluid pressure type precast floor strutting arrangement has following technological effect at least: when needs support precast floor slab, with installation department fixed mounting on the wall body of precast floor slab below or on the room roof beam to make the top hold the position in installation department top, then operate hydraulic telescoping mechanism, hydraulic telescoping mechanism drives the relative installation department round trip movement of top hold portion through self flexible, when the top hold the portion and remove to setting for the position, can hold the bottom of precast floor slab in the top, thereby play the supporting role to precast floor slab. Because installation department fixed mounting is on the wall body of prefabricated floor below or on the roof beam, and then the utility model discloses the prefabricated floor strutting arrangement of fluid pressure type is difficult to occupy the construction space of prefabricated floor below, and then the workman is convenient for construction when the installation prefabricated floor, and the efficiency of construction is high. Secondly, the relative installation department round trip movement of portion is held in top can be driven in the flexible of hydraulic telescoping mechanism, and then can adjust the elevation of precast floor and for the inclination of horizontal plane to construction quality can be improved. Furthermore, the utility model discloses the portion is directly held on top and prefabricated floor is held on top, and need not be connected with prefabricated floor, and then can not destroy prefabricated floor's body structure, and is more convenient during the simultaneous construction, and the efficiency of construction is higher. Finally, the hydraulic telescopic mechanism is operated to control the jacking part to jack the prefabricated floor slab and adjust the elevation of the prefabricated floor slab and the inclination angle relative to the horizontal plane, so that the operation is simple, and the time and the labor are saved.
According to the utility model discloses a some embodiments, the installation department is provided with vertical mounting panel, hydraulic telescoping mechanism's lateral wall with the laminating of vertical mounting panel is connected.
According to some embodiments of the utility model, the vertical mounting panel in hydraulic telescoping mechanism keeps away from one side of portion is provided with the bearing part, the bearing part is used for bearing hydraulic telescoping mechanism.
According to some embodiments of the present invention, the bearing portion and the vertical mounting plate are provided with a plurality of first reinforcement portions therebetween.
According to some embodiments of the utility model, hydraulic telescoping mechanism include the cylinder body with the activity set up in plunger in the cylinder body, the cylinder body with the installation department is connected, the plunger is kept away from the one end of cylinder body with the portion is connected to the top.
According to some embodiments of the utility model, be provided with the sleeve on the portion is held on the top, the sleeve cover is located outside the plunger, the cylinder body in hydraulic telescoping mechanism stretches into when being in the shrink state in the sleeve.
According to some embodiments of the utility model, be provided with the sleeve on the portion is held on the top, the sleeve cover is located outside the plunger, the cylinder body in hydraulic telescoping mechanism holds on the top when being in the shrink state telescopic end.
According to some embodiments of the present invention, the supporting portion and the sleeve are provided with a plurality of second reinforcing portions therebetween.
According to some embodiments of the utility model, the portion of holding on top deviates from the one end of hydraulic telescoping mechanism is provided with the top holding surface with the bottom surface looks adaptation of prefabricated floor.
According to some embodiments of the utility model, hydraulic telescoping mechanism is two, two hydraulic telescoping mechanism set up side by side in on the installation department.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural view of the present invention in a first state;
fig. 3 is a schematic structural view of the present invention in a second state;
FIG. 4 is a schematic view of the cylinder body extending into the sleeve;
FIG. 5 is a schematic structural view of the cylinder body supporting the sleeve;
reference numerals:
the mounting structure comprises a mounting part 100, a vertical mounting plate 101, a bearing part 102, a first reinforcing part 103 and a positioning bolt 104; a hydraulic telescoping mechanism 200, a cylinder 201 and a plunger 202; a top holding part 300, a sleeve 301 and a second reinforcing part 302.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those 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 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. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
A hydraulic precast floor support device according to an embodiment of the present invention is described below with reference to fig. 1 to 5.
According to the utility model discloses fluid pressure type precast floor strutting arrangement, as shown in fig. 1 to 5, including installation department 100, hydraulic telescoping mechanism 200 and top portion 300 of holding, installation department 100 installs on the wall body or on the room roof beam, and hydraulic telescoping mechanism 200 sets up on installation department 100, and top portion 300 of holding sets up in the one end that installation department 100 was kept away from to hydraulic telescoping mechanism 200, and top portion 300 of holding is used for the top to hold precast floor.
In this embodiment, when needs support precast floor slab, with installation department 100 fixed mounting on the wall body of precast floor slab below or on the room roof beam to make the portion 300 of holding in the top be located installation department 100 top, then operate hydraulic telescoping mechanism 200, hydraulic telescoping mechanism 200 drives the portion 300 of holding in the top through self flexible and moves about relative installation department 100, when the portion 300 of holding in the top removed to the settlement position, can hold the bottom of precast floor slab in the top, thereby play the supporting role to precast floor slab. Because installation department 100 fixed mounting perhaps on the roof beam on the wall body of prefabricated floor below, and then the utility model discloses the hydraulic type prefabricated floor strutting arrangement can not occupy the construction space of prefabricated floor below, and then the workman is under construction convenience when installing prefabricated floor, and the efficiency of construction is high. Secondly, hydraulic telescoping mechanism 200 can drive the relative installation department of portion 300 round trip movement of propping through self flexible, and then can adjust the elevation of precast floor slab and the inclination for the horizontal plane to construction quality can be improved. Furthermore, the utility model discloses a portion 300 is directly held on top and prefabricated floor is held to top, and need not be connected with prefabricated floor, and then can not destroy prefabricated floor's body structure, and is more convenient during the simultaneous construction, and the efficiency of construction is higher. Finally, the hydraulic telescopic mechanism 200 is operated to control the jacking portion 300 to support the precast floor slab and adjust the elevation of the precast floor slab and the inclination angle relative to the horizontal plane, so that the operation is simple, and time and labor are saved.
It should be noted that the prefabricated floor slab can be a prefabricated composite floor slab or a full prefabricated floor slab. The utility model discloses prefabricated floor strutting arrangement of fluid pressure type can install on the wall body or on the room roof beam, and the wall body can be prefabricated wall body or cast-in-place wall body, and the room roof beam can be prefabricated roof beam or cast-in-place roof beam. Taking the installation part 100 as an example when it is installed on a prefabricated wall, there are several construction methods, the first construction method: at first pre-buried positioning bolt 104 in prefabricated wall body, correspond on installation department 100 and set up the mounting hole, locate corresponding positioning bolt 104 with the mounting hole cover on the installation department 100 on back, the cover is established and is screwed up the nut on positioning bolt 104, then with prefabricated wall body with the utility model discloses a hydraulic type prefabricated floor strutting arrangement hoists the construction together, treat prefabricated wall body construction accomplish the back, hoist prefabricated floor can. The second construction mode is as follows: firstly, pre-burying positioning bolts 104 in a prefabricated wall body, correspondingly arranging mounting holes on a mounting portion 100, then hoisting and constructing the prefabricated wall body on a construction site, after the construction of the prefabricated wall body is completed, sleeving the mounting holes on the mounting portion 100 on the corresponding positioning bolts 104, sleeving and screwing nuts on the positioning bolts 104, and finally hoisting the prefabricated floor slab. The third construction mode is as follows: firstly, hoisting and constructing a prefabricated wall body on a construction site, installing positioning expansion bolts on the prefabricated wall body after the construction of the prefabricated wall body is completed, correspondingly arranging installation holes on the installation part 100, sleeving the installation holes on the installation part 100 on the corresponding positioning expansion bolts, screwing nuts on the positioning expansion bolts, and finally hoisting the prefabricated floor slab. The hydraulic telescoping mechanism 200 can be a common hydraulic cylinder or a hydraulic jack, and when the hydraulic telescoping mechanism 200 is a common hydraulic cylinder, a hydraulic pump can be correspondingly arranged on a construction site, and the hydraulic cylinder is driven by the hydraulic pump; when the hydraulic telescoping mechanism 200 is a hydraulic jack, the operating handle on the hydraulic jack is directly operated manually.
It will be appreciated that the hydraulic telescoping mechanism 200 may be welded to the mounting portion 100 or bolted to the mounting base 100, and that the jacking portion 300 directly jacks the prefabricated floor slab, so that the hydraulic telescoping mechanism 200 does not need to be hinged to the mounting portion 100. When installation department 100 installs on prefabricated wall body, and prefabricated wall body construction completion back, hydraulic telescoping mechanism 200 can vertical setting, and that is exactly hydraulic telescoping mechanism 200's flexible direction can be vertical direction, and in addition, hydraulic telescoping mechanism 200 also can incline the setting, and that is exactly hydraulic telescoping mechanism 200's flexible direction can be the incline direction, and of course, hydraulic telescoping mechanism 200 is no matter vertical setting or the incline setting, and top portion 300 all is located the top of installation department 100.
In some embodiments of the present invention, as shown in fig. 1 to 3, the mounting portion 100 is provided with a vertical mounting plate 101, and the outer side wall of the hydraulic telescopic mechanism 200 is attached and connected to one end surface of the vertical mounting plate 101. Use installation department 100 to install when prefabricated wall body as an example, can be pre-buried in the prefabricated wall body have positioning bolt 104, can correspond on the vertical mounting panel 101 and be provided with the mounting hole, install the utility model discloses during the prefabricated floor strutting arrangement of fluid pressure type, locate corresponding positioning bolt 104 with the mounting hole cover on to make vertical mounting panel 101 deviate from the terminal surface of hydraulic telescoping mechanism 200 and laminate mutually with the outside wall of prefabricated wall body, then the cover establish on positioning bolt 104 and screw up the nut can. The lateral wall of hydraulic telescoping mechanism 200 and the terminal surface laminating that vertical mounting panel 101 deviates from prefabricated wall body are connected, and then hydraulic telescoping mechanism 200 is big with vertical mounting panel 101's area of connection, has further improved structural strength to not only improve life, can reduce the incident moreover. Note that, when the vertical mounting plate 101 is mounted, attention should be paid to the inclination of the hydraulic telescoping mechanism 200, and it is preferable that the longitudinal direction of the hydraulic telescoping mechanism 200 be the vertical direction.
In some embodiments of the present invention, as shown in fig. 1 to 3, the vertical mounting plate 101 is provided with a bearing portion 102 at a side of the hydraulic telescopic mechanism 200 away from the supporting portion 300, and the bearing portion 102 is used for bearing the hydraulic telescopic mechanism 200. The bearing part 102 is arranged on the vertical mounting plate 101 and located on one side of the hydraulic telescopic mechanism 200 departing from the supporting part 300, the bearing part 102 can be directly connected with the hydraulic telescopic mechanism 200, and the bearing part 102 can also support the hydraulic telescopic mechanism 200. When the supporting part 300 supports the precast floor slab, the bearing part 102 is located just below the hydraulic telescopic mechanism 200, the precast floor slab applies pressure to the supporting part 300, the supporting part 300 further applies pressure to the hydraulic telescopic mechanism 200, and the hydraulic telescopic mechanism 200 further applies pressure to the bearing part 102. Set up bearing part 102, can improve hydraulic telescoping mechanism 200's structural strength, prevent because hydraulic telescoping mechanism 200 receives the pressure too big and appear down warping or hydraulic telescoping mechanism 200 and vertical mounting panel 101 junction fracture's the condition appear, not only improved life, can reduce the incident moreover.
In some embodiments of the present invention, as shown in fig. 1 to 3, a plurality of first reinforcing portions 103 are disposed between the bearing portion 102 and the vertical mounting plate 101. First rib 103 can set up the one side that deviates from hydraulic telescoping mechanism 200 at load-bearing part 102, first rib 103 can be floor structure and be a class triangle-shaped, two right-angle sides of first rib 103 can be connected with load-bearing part 102, vertical mounting panel 101 respectively, when the prefabricated floor slab is held on top of portion 300 top, first rib 103 just is located load-bearing part 102 under, load-bearing part 102 above first rib 103, hydraulic telescoping mechanism 200, top portion 300 and prefabricated floor slab exert pressure to first rib 103 jointly. The first reinforcing part 103 is arranged, so that the structural strength of the bearing part 102 can be improved, the situation that the bearing part 102 deforms downwards or the joint of the bearing part 102 and the vertical mounting plate 101 is broken due to overlarge pressure applied to the bearing part is prevented, the service life is prolonged, and safety accidents can be reduced. In the present embodiment, the number of the first reinforcing portions 103 is three, but the number of the first reinforcing portions 103 may be one, two, four, or another number.
In some embodiments of the present invention, as shown in fig. 1 to 5, the hydraulic telescoping mechanism 200 includes a cylinder 201 and a plunger 202 movably disposed in the cylinder 201, the cylinder 201 is connected to the mounting portion 100, and one end of the plunger 202 far away from the cylinder 201 is connected to the supporting portion 300. The hydraulic telescopic mechanism 200 may be a common hydraulic cylinder or a hydraulic jack, and the common hydraulic cylinder drives the plunger 202 in the cylinder body 201 to move back and forth through hydraulic oil pumped out by the hydraulic pump, so as to drive the supporting part 300 to move back and forth relative to the mounting part 100; the hydraulic jack controls the plunger 202 in the cylinder body 201 to move back and forth through manually operating an operating handle on the hydraulic jack, and then drives the jacking portion 300 to move back and forth relative to the mounting portion 100, so that the operation is simple, and the time and the labor are saved.
In some embodiments of the present invention, as shown in fig. 4, a sleeve 301 is disposed on the supporting portion 300, the sleeve 301 is sleeved outside the plunger 202, and the cylinder 201 extends into the sleeve 301 when the hydraulic telescopic mechanism 200 is in the retracted state. In a state where the hydraulic telescoping mechanism 200 is in a retracted state, that is, the hydraulic telescoping mechanism 200 is in a non-operating state, only a small part of the plunger 202 is exposed to the outside of the cylinder 201. When the hydraulic telescoping mechanism 200 is in a non-operating state for a long time, dust is easily accumulated between the outer side wall of the plunger 202 and the end surface of the cylinder 201, so that not only the outer side wall of the plunger 202 is easily contaminated, but also the friction force between the plunger 202 and the cylinder 201 is increased, and further the hydraulic telescoping mechanism 200 is easily worn. In this embodiment, the cylinder 201 extends into the sleeve 301 when the hydraulic telescoping mechanism 200 is in the retracted state, and then dust is not easily accumulated between the outer side wall of the plunger 202 and the end surface of the cylinder 201, so that the outer side wall of the plunger 202 is not contaminated, the hydraulic telescoping mechanism 200 is not worn, and the service life of the hydraulic telescoping mechanism 200 is longer.
In some embodiments of the present invention, as shown in fig. 5, a sleeve 301 is disposed on the supporting portion 300, the sleeve 301 is sleeved outside the plunger 202, and the cylinder 201 supports the end of the sleeve 301 when the hydraulic telescopic mechanism 200 is in the retracted state. In a state where the hydraulic telescoping mechanism 200 is in a retracted state, that is, the hydraulic telescoping mechanism 200 is in a non-operating state, only a small part of the plunger 202 is exposed to the outside of the cylinder 201. When the hydraulic telescoping mechanism 200 is in a non-operating state for a long time, dust is easily accumulated between the outer side wall of the plunger 202 and the end surface of the cylinder 201, so that not only the outer side wall of the plunger 202 is easily contaminated, but also the friction force between the plunger 202 and the cylinder 201 is increased, and further the hydraulic telescoping mechanism 200 is easily worn. In this embodiment, the cylinder 201 supports the end of the sleeve 301 when the hydraulic telescoping mechanism 200 is in the retracted state, so that dust is not easily accumulated between the outer sidewall of the plunger 202 and the end surface of the cylinder 201, and thus the outer sidewall of the plunger 202 is not contaminated, and the hydraulic telescoping mechanism 200 is not worn, so that the service life of the hydraulic telescoping mechanism 200 is longer.
In some embodiments of the present invention, as shown in fig. 5, a plurality of second reinforcing portions 302 are disposed between the supporting portion 300 and the sleeve 301. The second reinforcing portion 302 is provided to improve the structural strength of the sleeve 301, so that the sleeve 301 is prevented from being deformed or broken when the cylinder 201 abuts against the end of the sleeve 301, and the service life of the sleeve 301 is prolonged. In this embodiment, one second reinforcing portion 302 is provided for each sleeve 301, but the number of the second reinforcing portions 302 may be two, three, or more.
In some embodiments of the present invention, the end of the top supporting part 300 away from the hydraulic telescoping mechanism 200 is provided with a top supporting surface adapted to the bottom surface of the prefabricated floor slab. The bottom surface of the prefabricated floor slab is generally a plane, and the top supporting surface can be correspondingly set to be a plane. The top holding part 300 holds the bottom surface of the precast floor slab through the top holding surface, and the top holding surface is in surface-to-surface contact with the bottom surface of the precast floor slab, so that the phenomenon of stress concentration when the top holding part 300 holds the precast floor slab can be avoided, and the top holding part 300 and the precast floor slab are not easy to damage.
In some embodiments of the present invention, as shown in fig. 1 to 3, there are two hydraulic telescoping mechanisms 200, and the two hydraulic telescoping mechanisms 200 are disposed on the mounting portion 100 side by side. One end of two hydraulic telescoping mechanisms 200 far away from installation part 100 is all connected with top holding part 300, and hydraulic telescoping mechanisms 200 set up to two, not only can support heavier prefabricated floor slab, and is more steady during the support moreover.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A hydraulic precast floor slab supporting device is characterized by comprising;
the mounting part is mounted on a wall body or a house beam;
the hydraulic telescopic mechanism is arranged on the mounting part;
the jacking portion is arranged at one end, far away from the installation portion, of the hydraulic telescopic mechanism and used for jacking the prefabricated floor slab.
2. The hydraulic precast floor support device according to claim 1, wherein the mounting part is provided with a vertical mounting plate, and the outer side wall of the hydraulic telescoping mechanism is attached and connected with the vertical mounting plate.
3. The hydraulic precast floor slab supporting device according to claim 2, wherein the vertical mounting plate is provided with a bearing part at a side of the hydraulic telescopic mechanism far away from the jacking part, and the bearing part is used for bearing the hydraulic telescopic mechanism.
4. The hydraulic precast floor support device according to claim 3, wherein a plurality of first reinforcing parts are provided between the load bearing part and the vertical mounting plate.
5. The hydraulic precast floor slab supporting device according to any one of claims 1 to 4, wherein the hydraulic telescopic mechanism comprises a cylinder body and a plunger movably arranged in the cylinder body, the cylinder body is connected with the mounting part, and one end of the plunger far away from the cylinder body is connected with the jacking part.
6. The hydraulic precast floor support device according to claim 5, wherein a sleeve is provided on the top support part, the sleeve is sleeved outside the plunger, and the cylinder body extends into the sleeve when the hydraulic telescopic mechanism is in a contracted state.
7. The hydraulic precast floor slab supporting device according to claim 5, wherein a sleeve is provided on the jacking portion, the sleeve is sleeved outside the plunger, and the cylinder body jacks the end of the sleeve when the hydraulic telescoping mechanism is in a contracted state.
8. The hydraulic precast floor support device according to claim 7, wherein a plurality of second reinforcing parts are provided between the jacking part and the sleeve.
9. The hydraulic precast floor slab supporting device according to any one of claims 1 to 4, wherein one end of the jacking portion facing away from the hydraulic telescoping mechanism is provided with a jacking surface adapted to the bottom surface of the precast floor slab.
10. The hydraulic precast floor slab supporting device according to any one of claims 1 to 4, wherein there are two hydraulic telescoping mechanisms, and the two hydraulic telescoping mechanisms are arranged side by side on the installation part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021359141.XU CN212478230U (en) | 2020-07-10 | 2020-07-10 | Hydraulic precast floor slab supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021359141.XU CN212478230U (en) | 2020-07-10 | 2020-07-10 | Hydraulic precast floor slab supporting device |
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| Publication Number | Publication Date |
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| CN212478230U true CN212478230U (en) | 2021-02-05 |
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| CN202021359141.XU Active CN212478230U (en) | 2020-07-10 | 2020-07-10 | Hydraulic precast floor slab supporting device |
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| CN (1) | CN212478230U (en) |
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