CN220845154U - Combined lifting support for civil air defense door - Google Patents
Combined lifting support for civil air defense door Download PDFInfo
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- CN220845154U CN220845154U CN202322711848.2U CN202322711848U CN220845154U CN 220845154 U CN220845154 U CN 220845154U CN 202322711848 U CN202322711848 U CN 202322711848U CN 220845154 U CN220845154 U CN 220845154U
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- 230000007123 defense Effects 0.000 title claims abstract description 46
- 238000009434 installation Methods 0.000 claims abstract description 16
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 14
- 239000000463 material Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 230000003014 reinforcing effect Effects 0.000 description 6
- 230000003028 elevating effect Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of civil air defense door installation, in particular to a combined hoisting bracket of a civil air defense door, which comprises an upper bracket, a movable bracket, a lifting device and a lower bracket; the upper end of the upper support is provided with an upper supporting surface and a side supporting surface, the planes of the upper supporting surface and the side supporting surface are mutually perpendicular, the upper supporting surface and the side supporting surface are respectively used for being attached to a top plate and a wall surface, a lifting lug is arranged below the upper supporting surface, and the side supporting surface and the lifting lug are positioned on the same side of the upper support; the lower end of the movable frame is connected with the lower bracket in an up-down sliding way; the lifting device is arranged on the lower support and is used for driving the movable frame to move up and down along the lower support, and the up-and-down movement of the movable frame drives the upper support to move up and down; the problem of dismouting of people's air defense door under the condition of neglected loading rings is solved, the pre-buried construction process of change people's air defense door rings cooperation, saves the manpower and materials and the construction period of rings pre-buried alone.
Description
Technical Field
The utility model relates to the technical field of civil air defense door installation, in particular to a combined hoisting bracket for a civil air defense door.
Background
The civil air defense doors arranged on the personnel and vehicle access channels of the civil air defense basement are usually reinforced concrete or steel structure door leaves and consist of single wings, double wings or multiple wings, and the weight of the single wings is about 500 KG-2500 KG. When the floor slab of the civil air defense basement is poured, the corresponding hanging ring is embedded in the top plate at the closing position of the door leaf and used for hanging the civil air defense door, the civil air defense equipment unit and the civil engineering construction unit are required to be matched and completed in the actual embedding construction of the civil air defense hanging ring, the construction progress is sometimes delayed, or the phenomenon that part of the hanging ring of the civil air defense door is missed is caused, and the later installation or maintenance of the civil air defense door is difficult.
Disclosure of utility model
Aiming at the defects, the utility model aims to provide a combined lifting bracket for a civil air defense door, which solves the problem of disassembly and assembly of the civil air defense door under the condition of missing lifting rings, changes the construction process of matching and embedding the lifting rings of the civil air defense door, and saves manpower, material resources and construction period of independent embedding of the lifting rings.
To achieve the purpose, the utility model adopts the following technical scheme:
A combined hoisting bracket for a civil air defense door comprises an upper bracket, a movable frame, a lifting device and a lower bracket;
The upper end of the upper support is provided with an upper supporting surface and a side supporting surface, the planes of the upper supporting surface and the side supporting surface are mutually perpendicular, the upper supporting surface and the side supporting surface are respectively used for being attached to a top plate and a wall surface, a lifting lug is arranged below the upper supporting surface, and the side supporting surface and the lifting lug are positioned on the same side of the upper support;
The top end of the movable frame is connected with the bottom of the upper bracket, and the lower end of the movable frame is connected with the lower bracket in an up-down sliding way;
The lifting device is arranged on the lower support, the driving end of the lifting device is connected with the movable frame, the lifting device is used for driving the movable frame to move up and down along the lower support, and the up-and-down movement of the movable frame drives the upper support to move up and down;
The lower support is used for supporting on the ground.
Further, the upper bracket comprises a first cross bracket, a first support bar and a support cross bar;
The first cross support and the support cross rod are horizontally arranged, the upper end face of the first cross support forms the upper support surface, the support cross rod is vertically connected to one end of any supporting rod of the first cross support, and one side face, far away from the first cross support, of the support cross rod forms the side support surface;
The first supporting rod is vertically arranged; the top of the first supporting rod is connected with the center of the first cross support, and the bottom of the first supporting rod is detachably connected with the movable frame.
Further, the upper bracket further comprises two second support rods;
The two second support rods are respectively positioned at two sides of one support rod, one ends of the two second support rods are respectively connected with the support rods, the other ends of the two second support rods are respectively connected with two ends of the support cross rod, and the two second support rods are connected with the support cross rod to form a triangle;
The lifting lug is located the below of supporting the horizontal pole, the up end of lifting lug with the supporting the horizontal pole is connected the branch is connected, the orientation of lifting lug one side terminal surface of first bracing piece with first bracing piece is connected.
Further, the lower bracket comprises a third supporting rod and a second bracket from top to bottom;
the second bracket is horizontal and vertical, and the bottom end surface of the second bracket is used for being attached to the ground;
The third support rod is vertically connected to the center of the second bracket, is of a hollow structure and forms a cavity;
The lower end of the movable frame penetrates through the cavity and moves up and down along the cavity.
Further, the lower bracket further comprises a fourth support rod and a mounting plate;
The mounting plate is vertically arranged on one side of the third supporting rod and is positioned at the upper end of the third supporting rod, and the lifting device is arranged on the upper end surface of the mounting plate;
The four support rods are arranged in two, the two four support rods are symmetrically arranged on two sides of the third support rod respectively, one ends of the two four support rods are connected with the third support rod respectively, and the other ends of the four support rods are connected to the bottom of the mounting plate respectively.
Further, the movable frame comprises a movable rod and an abutting plate;
The movable rod is vertically arranged, the top end of the movable rod is connected with the abutting plate, and the bottom end of the movable rod is arranged in the cavity in a penetrating way;
The supporting plate is horizontally arranged, the upper end face of the supporting plate is connected with the upper support, and the lower end face of the supporting plate is connected with the driving end of the lifting device.
Further, the horizontal cross section of the movable rod is matched with the horizontal cross section of the cavity.
Further, the lifting device adopts a screw rod lifter, and the screw rod lifter comprises a screw rod and a mounting seat;
the mounting seat is detachably mounted on the mounting plate;
the mounting plate is provided with a through hole, the screw rod penetrates through the through hole, the screw rod is arranged in parallel with the movable rod, and the top end of the screw rod is detachably connected to the lower end face of the abutting plate.
Preferably, the other three sides of the fourth support rod except for the side provided with the mounting plate are respectively connected with a fifth support rod, one end of each of the three fifth support rods is respectively positioned at the upper end of the fourth support rod and connected with a support rod at the corresponding side of the second bracket, and the other ends of the three fifth support rods are respectively connected with a support rod at the corresponding side of the second bracket.
Preferably, the upper end and the lower end of the fifth support rod are respectively provided with a mounting part, the second bracket and the fourth support rod are respectively provided with a connecting seat corresponding to the mounting part, and the connecting seat and the mounting part are detachably connected through bolts.
The technical scheme provided by the utility model can comprise the following beneficial effects:
The lower support supports on the floor, the upper end of upper support is equipped with upper supporting surface and side supporting surface, upper supporting surface with the plane that side supporting surface is located mutually perpendicular, through elevating gear drive the fly frame upwards moves to upper supporting surface is closely laminated with people's air defense basement ceiling, side supporting surface is closely laminated with the wall of installation door frame, the below of upper supporting surface is equipped with the lug, side supporting surface with the lug is located upper support's same one side, consequently whole air defense door combination formula hoist and mount support carries out fixed device through elevating gear's lift top upper support, makes air defense door combination formula hoist and mount support top down prop, and the top side supports the wall, forms a stable safe hoist and mount framework, hangs the hoist and mount people's air defense door leaf on the lug, and through upper support, fly frame, elevating gear and lower support combination installation, be a movable support that installs the dismantlement convenience, can use in most areas to the construction time of the independent construction time of pre-buried technology of installation anti-personnel door installation, thereby the construction time saving rings of pre-buried construction time saving.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the present utility model.
Fig. 2 is a schematic structural view of an embodiment of the present utility model.
Wherein: the upper bracket 1, the upper supporting surface 011, the side supporting surface 012, the first cross bracket 11, the first supporting bar 12, the supporting cross bar 13, the second supporting bar 14, the first reinforcing bar 15, the movable frame 2, the movable bar 21, the abutting plate 22, the lifting device 3, the screw rod 31, the mounting base 32, the lower bracket 4, the second cross bracket 41, the third supporting bar 42, the cavity 421, the fourth supporting bar 43, the mounting plate 44, the through hole 441, the second reinforcing bar 45, the lifting lug 5, the fifth supporting bar 6, the mounting portion 61, the connecting base 7.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly, for distinguishing between the descriptive features, and not sequentially, and not lightly.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The following further describes the technical solution of the present utility model by means of specific embodiments with reference to fig. 1 and 2.
A combined hoisting bracket for a civil air defense door comprises an upper bracket 1, a movable frame 2, a lifting device 3 and a lower bracket 4;
The upper end of the upper bracket 1 is provided with an upper supporting surface 011 and a side supporting surface 012, the planes of the upper supporting surface 011 and the side supporting surface 012 are mutually perpendicular, the upper supporting surface 011 and the side supporting surface 012 are respectively used for being attached to a top plate and a wall surface, a lifting lug 5 is arranged below the upper supporting surface 011, and the side supporting surface 012 and the lifting lug 5 are positioned on the same side of the upper bracket 1;
the top end of the movable frame 2 is connected with the bottom of the upper bracket 1, and the lower end of the movable frame 2 is connected with the lower bracket 4 in an up-down sliding way;
the lifting device 3 is arranged on the lower support 4, the driving end of the lifting device 3 is connected with the movable frame 2, the lifting device 3 is used for driving the movable frame 2 to move up and down along the lower support 4, and the up-and-down movement of the movable frame 2 drives the upper support 1 to move up and down;
The lower bracket 4 is used for supporting on the ground.
The utility model provides a combined type lifting support for a civil air defense door, which comprises an upper support 1, a movable support 2 and a lower support 4, wherein the upper support 1 is connected above the movable support 2, the movable support 2 is connected with the lower support 4 in a vertical sliding manner, a lifting device 3 is arranged on the lower support 4, the driving end of the lifting device 3 is connected with the movable support 2, and the lifting device 3 is used for driving the movable support 2 to move up and down along the lower support 4 and driving the upper support 1 to move up and down. In a specific implementation, the lower support 4 is supported on the floor, an upper support surface 011 and a side support surface 012 are arranged at the upper end of the upper support 1, the planes of the upper support surface 011 and the side support surface 012 are mutually perpendicular, the movable frame 2 is driven by the lifting device 3 to move upwards until the upper support surface 011 is tightly attached to the ceiling of the civil air defense basement, the side support surface 012 is tightly attached to the wall surface of the mounting door frame, a lifting lug 5 is arranged below the upper support surface 011, and the side support surface 012 and the lifting lug 5 are positioned on the same side of the upper support 1, so that the whole civil air defense door combined type lifting support is used for fixing the device by propping up the upper support 1 through the lift of the lifting device 3, the top side surface of the civil air defense door combined type lifting support supports against the wall, a stable and safe lifting framework is formed, and a hoist is hung on the side surface 5 to lift the civil air defense door leaf, and the civil air defense door combined type support can meet the lifting requirement of the civil air defense basement for lifting the civil air defense door leaf (< 2500 KG); and through upper bracket 1, movable frame 2, elevating gear 3 and lower part support 4 composite installation, be a convenient portable hoist and mount support of installation dismantlement, can use in most regions to solve the construction pain point problem to the neglected loading installation maintenance rings in the current civil air defense engineering civil air defense door installation work progress, thereby change the pre-buried construction process of civil air defense door rings cooperation, save the manpower and materials and the construction period of rings pre-buried alone.
In an alternative embodiment, the upper bracket 1 comprises a first cross bracket 11, a first support bar 12 and a support cross bar 13;
The first cross bracket 11 and the supporting cross bar 13 are horizontally arranged, the upper end surface of the first cross bracket 11 forms the upper supporting surface 011, the supporting cross bar 13 is vertically connected to one end of any strut 111 of the first cross bracket 11, and a side surface of the supporting cross bar 13 far away from the first cross bracket 11 forms the side supporting surface 012;
The first support rod 12 is vertically arranged; the top end of the first supporting rod 12 is connected with the center of the first cross bracket 11, and the bottom end of the first supporting rod 12 is detachably connected with the movable frame 2.
Further, the upper bracket 1 includes the first cross bracket 11, a first support bar 12 and a support cross bar 13, wherein the upper end surface of the first cross bracket 11 forms the upper support surface 011, the support cross bar 13 is vertically connected to one end of any strut 111 of the first cross bracket 11, a side surface of the support cross bar 13 away from the first cross bracket 11 forms the side support surface 012, and the first support bar 12 is vertically arranged; the top end of the first supporting rod 12 is connected with the center of the first cross bracket 11, so that the structure is stable and simple; in addition, the bottom end of the first supporting rod 12 is detachably connected to the movable frame 2, so that the upper bracket 1 and the movable frame 2 are convenient to assemble and disassemble and convenient to transport.
In an alternative embodiment, the upper bracket 1 further comprises two second support bars 14;
The two second support rods 14 are respectively located at two sides of one support rod 111, one ends of the two second support rods 14 are respectively connected with the support rods 111, the other ends of the two second support rods 14 are respectively connected with two ends of the support cross rod 13, and the two second support rods 14 and the support cross rod 13 are connected to form a triangle;
the lifting lug 5 is located below the supporting cross rod 13, the upper end face of the lifting lug 5 is connected with the supporting rod 111 connected with the supporting cross rod 13, and one side end face, facing the first supporting rod 12, of the lifting lug 5 is connected with the first supporting rod 12.
The two ends of the supporting cross bar 13 are connected with two second supporting bars 14, one ends of the two second supporting bars 14 are respectively connected with the supporting bars 111, so that the two second supporting bars 14 and the supporting cross bar 13 are connected to form a triangle, the lifting lug 5 is connected under the triangle, the upper end face of the lifting lug 5 is connected with the supporting bars 111 connected with the supporting cross bar 13, one side end face of the lifting lug 5, which faces the first supporting bar 12, is connected with the first supporting bar 12, therefore, the lifting lug side of the first cross bracket 11 is a small triangle support, the top of the upper bracket 1 is in tight contact with an upper ceiling when the lifting operation is performed, the small triangle supporting cross bar 13 is in contact with a wall surface where a door frame is located, and the stability of the lifting operation is improved.
In a specific embodiment, the three other struts of the first cross bracket 11, except for the struts connected with the lifting lug 5, are respectively connected with a first reinforcing rod 15, one end of the first reinforcing rod 15 is connected with one strut, the other end is connected with the first supporting rod 12, and the corresponding connected struts of the first reinforcing rod 15, the first supporting rod 12 and the first cross bracket 11 form a triangle, so that the supporting framework of the upper bracket 1 is more stable.
In a specific embodiment, the first cross bracket 11, the first support rod 12, the support cross rod 13 and the second support rod 14 are all made of square steel pipes and are welded, and the lifting lug 5 is made of steel plates and welded with the steel pipes.
In an alternative embodiment, the lower bracket 4 includes a third support bar 42 and a second bracket 41 from top to bottom;
The second bracket 41 is horizontal and vertical, and the bottom end surface of the second bracket 41 is used for being attached to the ground;
the third support bar 42 is vertically connected to the center of the second bracket 41, and the third support bar 42 has a hollow structure and forms a cavity 421;
The lower end of the movable frame 2 is disposed in the cavity 421 in a penetrating manner, and is disposed along the cavity 421 in a vertically moving manner.
Further, the third support bar 42 is vertically connected to the center of the second bracket 41, so that the support structure is simple and stable, the third support bar 42 is of a hollow structure and forms a cavity 421, the lower end of the movable frame 2 is arranged in the cavity 421 in a penetrating manner, and the movable frame 2 and the lower bracket 4 are movably connected when the movable frame 421 moves up and down, so that the movable frame is convenient to assemble and disassemble and convenient to carry.
In an alternative embodiment, the lower bracket 4 further comprises a fourth support bar 43 and a mounting plate 44;
The mounting plate 44 is vertically mounted on one side of the third support rod 42 and is positioned at the upper end of the third support rod 42, and the lifting device 3 is mounted on the upper end surface of the mounting plate 44;
The four support rods 43 are provided with two, the two four support rods 43 are symmetrically arranged on two sides of the third support rod 42, one ends of the two four support rods 43 are connected with the third support rod 43 respectively, and the other ends of the four support rods are connected to the bottom of the mounting plate 44 respectively.
The mounting plate 44 is fixed on one side of the third support rod 42, so as to facilitate the installation of the lifting device 3; and two fourth supporting rods 43 are connected to the bottom of the mounting plate 44, the two fourth supporting rods 43 are symmetrically connected to two sides of the third supporting rod 42, so as to support the mounting plate 44, and the upper bracket 1, the movable frame 2 and the lower bracket 4 are more stable and safer when being fixed by the pressure generated by the lifting device.
In a specific embodiment, four second reinforcing rods 45 are further connected between the third supporting rod 42 and the second bracket 41, so that the structure of the lower bracket 4 supported on the ground is more stable.
In an alternative embodiment, the movable frame 2 includes a movable rod 21 and an abutment plate 22;
the movable rod 21 is vertically arranged, the top end of the movable rod 21 is connected with the abutting plate 22, and the bottom end of the movable rod 21 is arranged in the cavity 421 in a penetrating manner;
the abutting plate 22 is horizontally arranged, the upper end face of the abutting plate 22 is connected with the upper bracket 1, and the lower end face of the abutting plate 22 is connected with the driving end of the lifting device 3.
Further, the movable rod 21 is disposed in the cavity 421 and is movably connected with the cavity 421 up and down, the top end of the movable rod 21 is connected with the abutting plate 22, the upper end surface of the abutting plate 22 is connected with the upper bracket 1, and the lower end surface of the movable rod is connected with the driving end of the lifting device 3, so that when the lifting device 3 drives the movable bracket 2, the movable bracket 2 is movably connected with the lower bracket 4, and the upper bracket 1 can be driven to move up and down, so that the structure is simple.
In an alternative embodiment, the horizontal cross section of the movable rod 21 matches the horizontal cross section of the cavity 421.
Understandably, the horizontal section of the movable rod 21 is matched with the horizontal section of the cavity 421, so that the movable rod 21 does not deflect when moving up and down in the cavity 421, and the upper bracket 1 is more stable when ascending.
In a specific embodiment, the movable rod 21, the third support rod 42 and the fourth support rod 43 are all made of square steel pipes, the abutting plate 22 and the mounting plate 44 are all made of steel plates, the second bracket 41 is made of channel steel and is connected through welding, and the device has the characteristics of safety, reliability, convenience in installation, low labor intensity and the like.
In an alternative embodiment, the lifting device 3 adopts a screw lifter, and the screw lifter comprises a screw 31 and a mounting seat 32;
The mounting base 32 is detachably mounted to the mounting plate 44;
The mounting plate 44 is provided with a through hole 441, the screw rod 31 is arranged through the through hole 441, the screw rod 31 is arranged in parallel with the movable rod 21, and the top end of the screw rod 31 is detachably connected to the lower end surface of the abutting plate 22.
It should be noted that, the screw rod lifter is in the prior art, and is not described in detail herein. The mounting seat 32 of the screw rod lifter is detachably mounted on the mounting plate 44, the mounting plate 44 is fixed by a specific accessible bolt, the mounting and dismounting are convenient, a through hole 441 is formed in the mounting plate 44, the screw rod 31 penetrates out of the through hole 441, the screw rod 31 is arranged in parallel with the movable rod 21, the top end of the screw rod 31 is detachably connected to the lower end face of the abutting plate 22, the abutting plate 22 can be stably pushed to move up and down by the screw rod 31, the upper bracket 1 is driven to move up and down, and the screw rod 31 and the abutting plate 22 can be connected by a bolt.
In an alternative embodiment, the three sides of the fourth support rod 43, except for the side on which the mounting plate 44 is mounted, are respectively connected with a fifth support rod 6, one ends of the three fifth support rods 6 are respectively located at the upper ends of the fourth support rod 43 and connected, and the other ends of the three fifth support rods 6 are respectively connected with the struts on the corresponding sides of the second bracket 41, so that the structure of the lower bracket 4 is more stable.
Preferably, the fifth support bar 6 has mounting portions 61 at the upper and lower ends thereof, the second bracket 41 and the fourth support bar 43 have connection seats 7 corresponding to the mounting portions 61, and the connection seats 7 and the mounting portions 61 are detachably connected by bolts.
The fifth support bar 6, the fourth support bar 43 and the second bracket 41 are connected by bolts through the mounting portion 61 and the connecting seat 7, so that the assembly and disassembly are convenient, and the occupied space during transportation is small.
The technical principle of the present utility model is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the utility model and should not be taken in any way as limiting the scope of the utility model. Other embodiments of the utility model will be apparent to those skilled in the art from consideration of this specification without undue burden.
Claims (10)
1. The utility model provides a people's air defense door combination formula hoist and mount support which characterized in that: comprises an upper bracket, a movable frame, a lifting device and a lower bracket;
The upper end of the upper support is provided with an upper supporting surface and a side supporting surface, the planes of the upper supporting surface and the side supporting surface are mutually perpendicular, the upper supporting surface and the side supporting surface are respectively used for being attached to a top plate and a wall surface, a lifting lug is arranged below the upper supporting surface, and the side supporting surface and the lifting lug are positioned on the same side of the upper support;
The top end of the movable frame is connected with the bottom of the upper bracket, and the lower end of the movable frame is connected with the lower bracket in an up-down sliding way;
The lifting device is arranged on the lower support, the driving end of the lifting device is connected with the movable frame, the lifting device is used for driving the movable frame to move up and down along the lower support, and the up-and-down movement of the movable frame drives the upper support to move up and down;
The lower support is used for supporting on the ground.
2. The civil air defense door combined hoisting support according to claim 1, wherein: the upper bracket comprises a first cross bracket, a first supporting rod and a supporting cross rod;
The first cross support and the support cross rod are horizontally arranged, the upper end face of the first cross support forms the upper support surface, the support cross rod is vertically connected to one end of any supporting rod of the first cross support, and one side face, far away from the first cross support, of the support cross rod forms the side support surface;
The first supporting rod is vertically arranged; the top of the first supporting rod is connected with the center of the first cross support, and the bottom of the first supporting rod is detachably connected with the movable frame.
3. The civil air defense door combined hoisting support according to claim 2, wherein: the upper bracket further comprises two second support rods;
The two second support rods are respectively positioned at two sides of one support rod, one ends of the two second support rods are respectively connected with the support rods, the other ends of the two second support rods are respectively connected with two ends of the support cross rod, and the two second support rods are connected with the support cross rod to form a triangle;
The lifting lug is located the below of supporting the horizontal pole, the up end of lifting lug with the supporting the horizontal pole is connected the branch is connected, the orientation of lifting lug one side terminal surface of first bracing piece with first bracing piece is connected.
4. The civil air defense door combined hoisting support according to claim 1, wherein: the lower support comprises a third support rod and a second bracket from top to bottom;
the second bracket is horizontal and vertical, and the bottom end surface of the second bracket is used for being attached to the ground;
The third support rod is vertically connected to the center of the second bracket, is of a hollow structure and forms a cavity;
The lower end of the movable frame penetrates through the cavity and moves up and down along the cavity.
5. The civil air defense door combined hoisting support according to claim 4, wherein: the lower bracket further comprises a fourth supporting rod and a mounting plate;
The mounting plate is vertically arranged on one side of the third supporting rod and is positioned at the upper end of the third supporting rod, and the lifting device is arranged on the upper end surface of the mounting plate;
The four support rods are arranged in two, the two four support rods are symmetrically arranged on two sides of the third support rod respectively, one ends of the two four support rods are connected with the third support rod respectively, and the other ends of the four support rods are connected to the bottom of the mounting plate respectively.
6. The civil air defense door combined hoisting support according to claim 5, wherein: the movable frame comprises a movable rod and an abutting plate;
The movable rod is vertically arranged, the top end of the movable rod is connected with the abutting plate, and the bottom end of the movable rod is arranged in the cavity in a penetrating way;
The supporting plate is horizontally arranged, the upper end face of the supporting plate is connected with the upper support, and the lower end face of the supporting plate is connected with the driving end of the lifting device.
7. The civil air defense door combined hoisting support according to claim 6, wherein: the horizontal section of the movable rod is matched with the horizontal section of the cavity.
8. The civil air defense door combined hoisting support according to claim 6, wherein: the lifting device adopts a screw rod lifter, and the screw rod lifter comprises a screw rod and a mounting seat;
the mounting seat is detachably mounted on the mounting plate;
the mounting plate is provided with a through hole, the screw rod penetrates through the through hole, the screw rod is arranged in parallel with the movable rod, and the top end of the screw rod is detachably connected to the lower end face of the abutting plate.
9. The civil air defense door combined hoisting support according to claim 5, wherein: the other three sides of the fourth support rod except for one side provided with the mounting plate are respectively connected with a fifth support rod, one end of each fifth support rod is respectively positioned at the upper end of the fourth support rod and connected with a strut at the corresponding side of the second bracket, and the other ends of the third support rods are respectively connected with struts at the corresponding side of the second bracket.
10. The civil air defense door combined hoisting support according to claim 9, wherein: the upper end and the lower end of the fifth support rod are respectively provided with an installation part, the second bracket and the fourth support rod are respectively provided with a connecting seat corresponding to the installation part, and the connecting seat and the installation part are detachably connected through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322711848.2U CN220845154U (en) | 2023-10-09 | 2023-10-09 | Combined lifting support for civil air defense door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322711848.2U CN220845154U (en) | 2023-10-09 | 2023-10-09 | Combined lifting support for civil air defense door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220845154U true CN220845154U (en) | 2024-04-26 |
Family
ID=90780302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322711848.2U Active CN220845154U (en) | 2023-10-09 | 2023-10-09 | Combined lifting support for civil air defense door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220845154U (en) |
-
2023
- 2023-10-09 CN CN202322711848.2U patent/CN220845154U/en active Active
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