CN215471973U - A two discharge opening magazine attachment for precast box girder concrete placement - Google Patents
A two discharge opening magazine attachment for precast box girder concrete placement Download PDFInfo
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- CN215471973U CN215471973U CN202120882723.4U CN202120882723U CN215471973U CN 215471973 U CN215471973 U CN 215471973U CN 202120882723 U CN202120882723 U CN 202120882723U CN 215471973 U CN215471973 U CN 215471973U
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Abstract
The utility model discloses a double-discharge-opening hopper device for concrete pouring of a prefabricated box girder, and belongs to the technical field of building construction. The automatic discharging device comprises a hopper body provided with a first discharging opening and a second discharging opening, a base positioned below the discharging openings and a discharging device arranged on the base, wherein the discharging device comprises a first valve, a second valve and a valve wrench; the first valve can be in translational fit relative to the end face of the first discharge opening so as to open and close the first discharge opening; the second valve corresponds to the second discharge opening and is rotationally symmetrical with the first valve structure, and the second valve is hinged with a valve wrench; the middle section of the valve wrench is hinged on the base and is positioned between the first valve and the second valve. Realize two discharge openings through discharge apparatus and unload simultaneously for the speed of unloading reduces the appearance of cold joint, avoids the concrete to produce to solidify and be difficult to the problem of vibrating.
Description
Technical Field
The utility model relates to the technical field of building construction, in particular to a double-discharge-opening hopper device for concrete pouring of a prefabricated box girder.
Background
With the development of the building industry, most of beam plates for buildings are made in a prefabrication mode, the prefabrication concrete pouring speed of the beam plates is one of key processes for improving the prefabrication construction speed of the beam plates, and the reasonable design of the concrete pouring hopper mode plays an absolute role in beam plate production.
The hopper that current precast box girder concrete filled generally has the cylindric storehouse body of setting on the support, and storehouse body upper portion sets up a feed inlet, and the discharge opening has been seted up to the bottom of the storehouse body, and the material passes through the feed inlet and gets into the storehouse body, stores in the storehouse internally, and the discharge opening is opened when the material will be exported, flows from the discharge opening. Because a funnel formula is the discharge opening usually adopted to general discharge opening, so to great storehouse body, the speed of feeding, unloading is also relatively slower, also wastes a lot in time.
Traditional discharge hopper only has a discharge opening, and concrete placement speed is slower in leading to precast box girder, and the concrete solidifies and produces the difficulty of vibrating, the phenomenon of cold joint appears.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems and provide a double-discharge-opening hopper device for pouring concrete of a precast box girder, so that more concrete can be poured in a shorter time, the occurrence of cold joints is reduced, and the problem of difficult vibration caused by concrete solidification is solved.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
a two discharge opening magazine attachment for precast box girder concrete placement includes:
the hopper comprises a hopper body, a first discharging opening and a second discharging opening, wherein the hopper body comprises the first discharging opening and the second discharging opening;
the base is fixed on the hopper body and is positioned below the discharge opening;
the discharging device is arranged on the base and comprises a first valve, a second valve and a valve wrench, the first valve corresponds to the first discharging opening, one end of the first valve is hinged to the base, and the other end of the first valve is hinged to the valve wrench through a first connecting rod; the first valve can be in translational fit relative to the end face of the first discharge opening, so that the first valve can open and close the first discharge opening; the second valve corresponds to the second discharge opening and is rotationally symmetrical with the first valve structure, and the second valve is hinged with the valve wrench through a second connecting rod; the middle section of the valve wrench is hinged on the base and is positioned between the first valve and the second valve; the first connecting rod and the second connecting rod are symmetrical relative to the middle-section hinged position of the valve wrench;
through to valve spanner horizontal migration, drive first valve and second valve horizontal migration in opposite directions to make first discharge opening and second discharge opening open or close.
Preferably, the method comprises the following steps: the base comprises a first supporting rod, a second supporting rod, a third supporting rod and a fourth supporting rod which are sequentially connected end to end, the first supporting rod and the third supporting rod are arranged in parallel, the second supporting rod and the fourth supporting rod are respectively perpendicular to the first supporting rod, an intermediate rod is arranged between the first supporting rod and the third supporting rod, the intermediate rod divides the first supporting rod equally, the intermediate rod divides the third supporting rod equally, a first channel steel is arranged between the intermediate rod and the second supporting rod, a second channel steel is arranged between the intermediate rod and the fourth supporting rod, the first channel steel and the second channel steel are obliquely arranged, the first channel steel and the second channel steel are in rotational symmetry, and the rotational symmetry center is the midpoint of the intermediate rod.
Preferably, the method comprises the following steps: the valve wrench comprises a transmission rod and a handle, the handle is connected with one end of the transmission rod extending out of the base, the transmission rod is hinged on the middle point of the middle rod, the first valve comprises a first steel plate and a first rolling mechanism, one end of the first steel plate is hinged on the third supporting rod, the first steel plate is positioned above the first channel steel and extends towards the side direction of the first supporting rod, one end of the first connecting rod is hinged with one end of the transmission rod far away from the handle side, the other end of the first connecting rod is hinged with one end of the first steel plate at the first supporting rod side, the axis of the first connecting rod is parallel to the axis of the first supporting rod, the first rolling mechanism is arranged on the first steel plate, the first rolling mechanism is connected to the first channel steel in a sliding mode, and the width of the first steel plate is larger than or equal to that of the first discharge opening; the second valve includes second steel sheet and second rolling mechanism, the one end of second steel sheet articulates on first bracing piece, the second steel sheet is located the top of second channel-section steel and the second steel sheet extends to third bracing piece side direction, the one end of second connecting rod is articulated with the one end that the transfer line is close to the handle side, the other end of second connecting rod is articulated with the one end that the second steel sheet is located the third bracing piece side, the axis of second connecting rod is on a parallel with the axis of second bracing piece, the second rolling mechanism is located on the second steel sheet, just second rolling mechanism sliding connection be in on the second channel-section steel, the width of second steel sheet is greater than or equal to the width of second discharge opening, the second valve with first valve is rotational symmetry, and the rotational symmetry center is the mid point of intermediate lever.
Preferably, the method comprises the following steps: the first rolling mechanism is a first bearing, a first through groove is formed in the edge of the first steel plate, the first bearing is located in the first through groove, the inner ring of the first bearing is fixed on the first steel plate through a first fixing shaft, and the outer ring of the first bearing is connected to the first channel steel in a sliding mode; the second rolling mechanism is a second bearing, a second through groove is formed in the edge of the second steel plate, the second bearing is located in the second through groove, the inner ring of the second bearing is fixed on the second steel plate through a second fixing shaft, and the outer ring of the second bearing is connected to the second channel steel in a sliding mode.
Preferably, the method comprises the following steps: the first rolling mechanism is a first roller fixed on the lower surface of the first steel plate, and the first roller is connected to the first channel steel in a sliding manner; the second rolling mechanism is a second roller fixed to the lower surface of the second steel plate, and the second roller is connected to the second channel steel in a sliding mode.
Preferably, the method comprises the following steps: and the third support rod is provided with a limiting device which is a first limiting block and a second limiting block, and the first limiting block and the second limiting block are respectively positioned at two sides of the handle and used for limiting the opening degree of the discharging door.
Preferably, the method comprises the following steps: the hopper body still includes the storehouse body, first discharge hopper and second discharge hopper, the top of the storehouse body is equipped with the feed inlet, first discharge hopper and second discharge hopper are located the bottom of the storehouse body, first discharge hopper and second discharge hopper symmetry set up, first discharge opening is located the lower extreme of first discharge hopper, the second discharge opening is located the lower extreme of second discharge hopper.
Preferably, the method comprises the following steps: the storehouse body is square staving, the upper end surface of the storehouse body is equipped with the hangers, the quantity of hangers is 4, the hangers symmetry sets up.
According to the double-discharge-opening hopper device for precast box girder concrete pouring, the number of discharge openings is increased to 2, the double discharge openings are used for discharging simultaneously, during concrete pouring, discharging can be carried out at a higher speed, the pouring times within the same time are increased, the problem that the concrete is difficult to vibrate due to cold seams and concrete solidification caused by overlong pouring time is solved, the production efficiency is increased, the quality of finished box girder products is improved to a certain extent, the construction speed of pouring the concrete of the box girder is increased, the construction quality is improved, and the concrete pouring cost is saved.
Drawings
Fig. 1 is a front view of a double discharge port hopper apparatus for precast box girder concrete casting according to the present invention.
Fig. 2 is a schematic structural view of a double discharge port hopper assembly for precast box girder concrete casting according to the present invention when first and second valves are closed.
Fig. 3 is a schematic structural diagram of the double-discharge-opening hopper device for pouring concrete into the precast box girder, wherein the first valve and the second valve are opened for discharging.
In the attached drawing, 1-bin body, 11-feed inlet, 12-hanging lug, 2-first discharge hopper, 21-first discharge opening, 3-second discharge hopper, 31-second discharge opening, 4-base, 41-first supporting rod, 42-second supporting rod, 43-third supporting rod, 44-fourth supporting rod, 45-middle rod, 46-first channel steel, 47-second channel steel, 5-first valve, 51-first steel plate, 511-first through groove, 52-first connecting rod, 53-first rolling mechanism, 6-second valve, 61-second steel plate, 611-second through groove, 62-second connecting rod, 63-second rolling mechanism, 7-spanner valve, 71-driving rod, 72-handle, 81-a first limit block, 82-a second limit block, 91-a first bearing, 92-a second bearing.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
The following describes the embodiments of the present invention with reference to the accompanying drawings.
As shown in fig. 1 to 3, the present invention discloses a double discharge opening hopper apparatus for precast box girder concrete casting, comprising:
the hopper comprises a hopper body, wherein the hopper body comprises a hopper body 1, a first discharging hopper 2 and a second discharging hopper 3, a feeding hole 11 is formed in the top end of the hopper body 1, the first discharging hopper 2 and the second discharging hopper 3 are arranged at the bottom end of the hopper body 1, the first discharging hopper 2 and the second discharging hopper 3 are symmetrically arranged, a first discharging opening 21 is formed in the lower end of the first discharging hopper 2, and a second discharging opening 31 is formed in the lower end of the second discharging hopper 3;
the base 4 is fixed below the discharge opening on the bin body 1, the base 4 comprises a first supporting rod 41, a second supporting rod 42, a third supporting rod 43 and a fourth supporting rod 44 which are sequentially connected end to end, the first supporting rod 41 and the third supporting rod 43 are arranged in parallel, the second supporting rod 42 and the fourth supporting rod 44 are respectively perpendicular to the first supporting rod 41, an intermediate rod 45 is arranged between the first supporting rod 41 and the third supporting rod 43, the intermediate rod 45 bisects the first supporting rod 41, the intermediate rod 45 bisects the third supporting rod 43, a first channel steel 46 is arranged between the intermediate rod 45 and the second supporting rod 42, a second channel steel 47 is arranged between the intermediate rod 45 and the fourth supporting rod 44, the first channel steel 46 and the second channel steel 47 are both arranged in an inclined manner, the first channel steel 46 and the second channel steel 47 are rotationally symmetrical, and the center of the rotational symmetry is the middle point of the middle rod 45;
the discharging device is arranged on the base 4 and comprises a first valve 5, a second valve 6 and a valve wrench 7, the first valve 5 corresponds to the first discharging opening 21, and the first valve 5 can be in translational fit with the end surface of the first discharging opening 21 so that the first valve 5 can open and close the first discharging opening 21; the second valve 6 corresponds to the second discharge opening 31 and is rotationally symmetrical to the first valve 5;
by moving the valve wrench horizontally, the first valve 5 and the second valve 6 are driven to move horizontally toward each other, so that the first discharge opening 21 and the second discharge opening 32 are opened or closed.
The valve wrench 7 comprises a transmission rod 71 and a handle 72, the handle 72 is installed at one end of the transmission rod 71 extending out of the base 4, the middle section of the transmission rod 71 is hinged to the middle point of the middle rod 45, the transmission rod 71 is located between the first valve 5 and the second valve 6, the second valve 6 and the first valve 5 are in rotational symmetry, and the rotational symmetry center is the hinged position of the middle section of the transmission rod 71.
The first valve 5 comprises a first steel plate 51, a first connecting rod 52 and a first rolling mechanism 53, one end of the first steel plate 51 is hinged to the third supporting rod 43, the first steel plate 51 is located above the first channel steel 46, the first steel plate 51 extends towards the first supporting rod 41, one end of the first connecting rod 52 is hinged to one end of the driving rod 71, the other end of the first connecting rod 52 is hinged to one end of the first steel plate 51 located at the first supporting rod 41 side, the axis of the first connecting rod 52 is parallel to the axis of the first supporting rod 41, the first rolling mechanism 53 is arranged on the first steel plate 51, the first rolling mechanism 53 is slidably connected to the first channel steel 46, and the width of the first steel plate 51 is greater than or equal to the width of the first discharge opening 21;
the second valve 6 includes a second steel plate 61, a second connecting rod 62 and a second rolling mechanism 63, one end of the second steel plate 61 is hinged to the first supporting rod 41, the second steel plate 61 is located above the second channel 47 and the second steel plate 61 extends toward the third supporting rod 43, one end of the second connecting rod 62 is hinged to the other end of the driving rod 71, the other end of the second connecting rod 62 is hinged to one end of the second steel plate 61 located toward the third supporting rod 43, an axis of the second connecting rod 62 is parallel to an axis of the second supporting rod 42, the second rolling mechanism 63 is located on the second steel plate 61, the second rolling mechanism 63 is slidably connected to the second channel 47, and a width of the second steel plate 61 is greater than or equal to a width of the second discharge opening 31.
The hinged positions of the first connecting rod and the second connecting rod relative to the middle section of the transmission rod 71 are symmetrical, and the first steel plate 51 and the second steel plate 61 are straight plates.
The third support rod 43 is provided with a limiting device, the limiting device is a first limiting block 81 and a second limiting block 82, and the first limiting block 81 and the second limiting block 82 are respectively located on two sides of the handle 72 and used for limiting the opening degree of the discharging door.
The bin body 1 is a square bin body, the outer surface of the upper end of the bin body 1 is provided with hanging lugs 12, the number of the hanging lugs 12 is 4, and the hanging lugs 12 are symmetrically arranged. The gantry crane for the hangers is convenient and quick to lift, production speed is improved, transportation time can be effectively shortened, pouring interval time is shortened, and concrete pouring quality is improved.
The first rolling mechanism 53 is a first bearing 91, a first through groove 511 is formed in the edge of the first steel plate 51, the first bearing 91 is located in the first through groove 511, an inner ring of the first bearing 91 is fixed on the first steel plate 51 through a first fixed shaft, and an outer ring of the first bearing 91 is connected to the first channel steel 46 in a sliding manner; the second rolling mechanism 63 is a second bearing 92, a second through groove 611 is formed in the edge of the second steel plate 61, the second bearing 92 is located in the second through groove 611, the inner ring of the second bearing 92 is fixed to the second steel plate 61 through a second fixed shaft, and the outer ring of the second bearing 92 is slidably connected to the second through groove 47.
The first rolling mechanism 53 is a first roller (not shown), the first roller is fixed on the lower surface of the first steel plate 51, and the first roller is slidably connected to the first channel steel 46; the second rolling mechanism 63 is a second roller fixed to the lower surface of the second steel plate 61, and the second roller is slidably connected to the second channel steel 47.
The hopper body further comprises a ladder (not shown in the figure), the upper end of the ladder is hooked on the upper edge of the bin body 1, and the lower end of the ladder is welded on the base 4. The cat ladder is used for in time clearing up the inside concrete that remains of hopper body, avoids remaining the concrete and condenses, is favorable to the recycling of hopper.
The working principle of the double-discharge-opening hopper device for pouring the precast box girder concrete is as follows:
firstly, when the box girder precast concrete is poured, the concrete is poured into the hopper body after the inspection indexes are qualified, the hopper body is hoisted by a gantry through the hanging lugs 12, and the hopper body is hoisted to a pouring area;
then, as shown in fig. 2, when the valve is closed, the axis of the first steel plate 51 is parallel to the middle rod 45, the axis of the second steel plate 61 is parallel to the middle rod 45, the first steel plate 51 covers the first discharge opening 21, the second steel plate 61 covers the second discharge opening 31, the transmission rod 71 of the valve wrench 7 is hinged in the middle of the middle rod 45, one end of the transmission rod 71 extends out of the base 4, an operator can pull the transmission rod 71 with a small force through the handle 72, the transmission rod 71 moves in a horizontal plane with the first hinge seat as a rotation point, the pull handle 72 moves to the right, the transmission rod 71 links the first link 52 and the second link 62, the transmission rod 71 drives the first steel plate 51 to translate in a direction close to the middle rod 45 through the first link 52, the transmission rod 71 drives the second steel plate 61 to translate in a direction close to the middle rod 45 through the second link 62, a first steel plate 51 at the bottom of the first discharge opening 21 and a second steel plate 61 at the bottom of the second discharge opening 31 can be slowly opened at the same time, as shown in fig. 3, when the valve is fully opened, the first discharge opening 21 and the second discharge opening 31 are fully opened, thereby discharging concrete;
then, after the hopper body is finished placing concrete, the pulling handle 72 is moved leftwards, the transmission rod 71 links the first connecting rod 52 and the second connecting rod 62, the transmission rod 71 drives the first steel plate 51 to move horizontally towards the direction far away from the middle rod 45 through the first connecting rod 52, the transmission rod 71 drives the second steel plate 61 to move horizontally towards the direction far away from the middle rod 45 through the second connecting rod 62, the first steel plate 51 at the bottom of the first discharging opening 21 and the second steel plate 61 at the bottom of the second discharging opening 31 can be closed slowly at the same time, the first discharging opening 21 and the second discharging opening 31 are closed, the phenomenon that the concrete remainder in the hopper body falls to pollute a production area is avoided, and the pouring of precast concrete of the box girder is finished.
According to the double-discharge-opening hopper device for precast box girder concrete pouring, the number of discharge openings is increased to 2, the double discharge openings are used for discharging simultaneously, during concrete pouring, discharging can be carried out at a higher speed, the pouring times within the same time are increased, the problem that the concrete is difficult to vibrate due to cold seams and concrete solidification caused by overlong pouring time is solved, the production efficiency is increased, the quality of finished box girder products is improved to a certain extent, the construction speed of pouring the concrete of the box girder is increased, the construction quality is improved, and the concrete pouring cost is saved.
The above description is intended to describe in detail the preferred embodiments of the present invention, but the embodiments are not intended to limit the scope of the claims of the present invention, and all equivalent changes and modifications made within the technical spirit of the present invention should fall within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a two discharge opening magazine attachment for precast box girder concrete placement which characterized in that includes:
the hopper comprises a hopper body, a first discharging opening and a second discharging opening, wherein the hopper body comprises the first discharging opening and the second discharging opening;
the base is fixed on the hopper body and is positioned below the discharge opening;
the discharging device is arranged on the base and comprises a first valve, a second valve and a valve wrench, the first valve corresponds to the first discharging opening, one end of the first valve is hinged to the base, and the other end of the first valve is hinged to the valve wrench through a first connecting rod; the first valve can be in translational fit relative to the end face of the first discharge opening, so that the first valve can open and close the first discharge opening; the second valve corresponds to the second discharge opening and is rotationally symmetrical with the first valve structure, and the second valve is hinged with the valve wrench through a second connecting rod; the middle section of the valve wrench is hinged on the base and is positioned between the first valve and the second valve; the first connecting rod and the second connecting rod are symmetrical relative to the middle-section hinged position of the valve wrench;
through to valve spanner horizontal migration, drive first valve and second valve horizontal migration in opposite directions to make first discharge opening and second discharge opening open or close.
2. A double discharge opening hopper apparatus for precast box girder concrete placement according to claim 1, wherein: the base comprises a first supporting rod, a second supporting rod, a third supporting rod and a fourth supporting rod which are sequentially connected end to end, the first supporting rod and the third supporting rod are arranged in parallel, the second supporting rod and the fourth supporting rod are respectively perpendicular to the first supporting rod, an intermediate rod is arranged between the first supporting rod and the third supporting rod, the intermediate rod divides the first supporting rod equally, the intermediate rod divides the third supporting rod equally, a first channel steel is arranged between the intermediate rod and the second supporting rod, a second channel steel is arranged between the intermediate rod and the fourth supporting rod, the first channel steel and the second channel steel are obliquely arranged, the first channel steel and the second channel steel are in rotational symmetry, and the rotational symmetry center is the midpoint of the intermediate rod.
3. A double discharge opening hopper apparatus for precast box girder concrete placement according to claim 2, wherein: the valve wrench comprises a transmission rod and a handle, the handle is connected with one end of the transmission rod extending out of the base, the transmission rod is hinged on the middle point of the middle rod, the first valve comprises a first steel plate and a first rolling mechanism, one end of the first steel plate is hinged on the third supporting rod, the first steel plate is positioned above the first channel steel and extends towards the side direction of the first supporting rod, one end of the first connecting rod is hinged with one end of the transmission rod far away from the handle side, the other end of the first connecting rod is hinged with one end of the first steel plate at the first supporting rod side, the axis of the first connecting rod is parallel to the axis of the first supporting rod, the first rolling mechanism is arranged on the first steel plate, the first rolling mechanism is connected to the first channel steel in a sliding mode, and the width of the first steel plate is larger than or equal to that of the first discharge opening; the second valve includes second steel sheet and second rolling mechanism, the one end of second steel sheet articulates on first bracing piece, the second steel sheet is located the top of second channel-section steel and the second steel sheet extends to third bracing piece side direction, the one end of second connecting rod is articulated with the one end that the transfer line is close to the handle side, the other end of second connecting rod is articulated with the one end that the second steel sheet is located the third bracing piece side, the axis of second connecting rod is on a parallel with the axis of second bracing piece, the second rolling mechanism is located on the second steel sheet, just second rolling mechanism sliding connection be in on the second channel-section steel, the width of second steel sheet is greater than or equal to the width of second discharge opening, the second valve with first valve is rotational symmetry, and the rotational symmetry center is the mid point of intermediate lever.
4. A double discharge opening hopper apparatus for precast box girder concrete placement according to claim 3, wherein: the first rolling mechanism is a first bearing, a first through groove is formed in the edge of the first steel plate, the first bearing is located in the first through groove, the inner ring of the first bearing is fixed on the first steel plate through a first fixing shaft, and the outer ring of the first bearing is connected to the first channel steel in a sliding mode; the second rolling mechanism is a second bearing, a second through groove is formed in the edge of the second steel plate, the second bearing is located in the second through groove, the inner ring of the second bearing is fixed on the second steel plate through a second fixing shaft, and the outer ring of the second bearing is connected to the second channel steel in a sliding mode.
5. A double discharge opening hopper apparatus for precast box girder concrete placement according to claim 3, wherein: the first rolling mechanism is a first roller fixed on the lower surface of the first steel plate, and the first roller is connected to the first channel steel in a sliding manner; the second rolling mechanism is a second roller fixed to the lower surface of the second steel plate, and the second roller is connected to the second channel steel in a sliding mode.
6. A double discharge opening hopper apparatus for precast box girder concrete placement according to claim 2, wherein: and the third support rod is provided with a limiting device which is a first limiting block and a second limiting block, and the first limiting block and the second limiting block are respectively positioned at two sides of the handle and used for limiting the opening degree of the discharging door.
7. A double discharge opening hopper apparatus for precast box girder concrete placement according to claim 1, wherein: the hopper body still includes the storehouse body, first discharge hopper and second discharge hopper, the top of the storehouse body is equipped with the feed inlet, first discharge hopper and second discharge hopper are located the bottom of the storehouse body, first discharge hopper and second discharge hopper symmetry set up, first discharge opening is located the lower extreme of first discharge hopper, the second discharge opening is located the lower extreme of second discharge hopper.
8. A double discharge opening hopper apparatus for precast box girder concrete placement according to claim 7, wherein: the storehouse body is square staving, the upper end surface of the storehouse body is equipped with the hangers, the quantity of hangers is 4, the hangers symmetry sets up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120882723.4U CN215471973U (en) | 2021-04-27 | 2021-04-27 | A two discharge opening magazine attachment for precast box girder concrete placement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120882723.4U CN215471973U (en) | 2021-04-27 | 2021-04-27 | A two discharge opening magazine attachment for precast box girder concrete placement |
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| Publication Number | Publication Date |
|---|---|
| CN215471973U true CN215471973U (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120882723.4U Active CN215471973U (en) | 2021-04-27 | 2021-04-27 | A two discharge opening magazine attachment for precast box girder concrete placement |
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| Country | Link |
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| CN (1) | CN215471973U (en) |
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2021
- 2021-04-27 CN CN202120882723.4U patent/CN215471973U/en active Active
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