CN113635953A - Dust-proof nose-choking residue collecting and loading device for construction engineering - Google Patents
Dust-proof nose-choking residue collecting and loading device for construction engineering Download PDFInfo
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- CN113635953A CN113635953A CN202110865747.3A CN202110865747A CN113635953A CN 113635953 A CN113635953 A CN 113635953A CN 202110865747 A CN202110865747 A CN 202110865747A CN 113635953 A CN113635953 A CN 113635953A
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- cover plate
- dustproof cover
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- loading
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/04—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving means for grappling or securing in place objects to be carried; Loading or unloading equipment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
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- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention provides a dust-nose-choking-proof residue collecting and transporting device for construction engineering, which relates to the technical field of construction engineering and comprises a transporting cart, a slag trap and a dust-proof cover plate; the inner car hopper of the loading and transporting cart is inclined, and the bottom of the loading and transporting cart is rotatably connected with a supporting wheel; the slag trap is connected to the front end of the loading and transporting cart, the left end and the right end of the slag trap are respectively connected with a driving mechanism, and the driving mechanism is arranged in the bottom of the loading and transporting cart; the dustproof cover plate is provided with two parts in total and is made of light materials, and the dustproof cover plate is installed at the top of the loading and transporting trolley; when the dustproof cover plate is opened and building residues are poured into the shipping cart, the water in the water tank is conveyed into the pipeline in the dustproof cover plate by the pump body through the water supply pipe, the atomizing nozzle on the inner side of the dustproof cover plate sprays water mist into the shipping cart, the humidity of the building residues in the shipping cart is increased, the dust suppression effect is achieved, and the condition that dust is diffused from the interior of the shipping cart to affect the quality of surrounding air is avoided.
Description
Technical Field
The invention belongs to the technical field of construction engineering, and particularly relates to a dust-nose-choking-proof residue collecting and transporting device for construction engineering.
Background
The construction residues mainly comprise various concrete blocks, leftover materials of decoration materials and other residues, and after indoor construction is finished, workers are generally required to uniformly clean and collect the indoor construction residues into a special shipping apparatus so as to transport the construction residues from the indoor to a dumping area specially reserved for the construction residues.
The residue collecting and shipping device for construction engineering can refer to the patent No. CN211395528U, which mainly comprises that the residue collecting device for construction engineering comprises a lower plate; the side panel is fixedly arranged at the top of the lower plate; the upper plate is fixedly arranged on the top of the side panel; the jack is fixedly arranged at the bottom of the upper plate; the pressing plate is fixedly arranged on the output shaft of the jack; the storage tank is fixedly arranged at the top of the lower plate; the right-angle bracket is fixedly arranged at the top of the lower plate; and the dust suction mechanism is arranged on the right-angle bracket.
Present similar construction engineering is with residue collection shipment device, dustproof effect is relatively poor, and the staff adopts handheld tool such as spade usually, with the direct shovel of construction residue go into the residue storage fill in, when the construction residue falls into the residue storage fill in, the dust that the construction residue carried is easily followed the residue and is stored the inside diffusion of fighting and come out, influences peripheral air circumstance, and then causes the influence to staff respiratory.
Disclosure of Invention
In order to solve the technical problems, the invention provides a dust-nose-prevention residue collecting and transporting device for construction engineering, which aims to solve the problems that the existing similar residue collecting and transporting device for construction engineering is poor in dust prevention effect, workers usually adopt hand-held tools such as shovels and the like to directly shovel construction residues into a residue storage hopper, and when the construction residues fall into the residue storage hopper, dust carried by the construction residues is easily diffused out from the interior of the residue storage hopper to influence the surrounding air environment, so that the breathing system of the workers is influenced.
The invention relates to a dust-nose-choking-proof residue collecting and transporting device for construction engineering, which has the purpose and the effect and is achieved by the following specific technical means:
a dust-nose-choking-proof residue collecting and transporting device for construction engineering comprises a transporting cart, a slag baffle plate, a dust-proof cover plate and a power box;
the inner car hopper of the loading and transporting cart is inclined, and the bottom of the loading and transporting cart is rotatably connected with a supporting wheel;
the slag trap is connected to the front end of the loading and transporting cart, the left end and the right end of the slag trap are respectively connected with a driving mechanism, and the driving mechanism is arranged in the bottom of the loading and transporting cart;
the dustproof cover plate is provided with two parts in total and is made of light materials, the dustproof cover plate is installed at the top of the shipping cart, the rear part of the dustproof cover plate is connected with the manual opening and closing mechanism, and the manual opening and closing mechanism is installed at the rear side of the shipping cart;
the power box is installed at the right end of the water tank.
Furthermore, both ends link to each other with the transport cart front side both ends about the slag trap top respectively, and both ends are equipped with the rack respectively about the slag trap, and the rack is circular-arc to rack sliding connection is in the transport cart left and right sides.
Further, the driving mechanism includes:
the motor is arranged in the bottom of the loading and transporting cart, and driving gears are respectively arranged at the rotating two ends of the motor;
the transmission gears are respectively and rotatably connected in the left side and the right side of the loading and transporting cart, the driving gears are meshed with the transmission gears, and the transmission gears are meshed with the racks.
Furthermore, a water tank is installed in the bottom of the loading and transporting cart, a pump body is installed at the top of the water tank and communicated with a water supply pipe, and two ends of the top of the water supply pipe are respectively communicated with two built-in pipelines of the dustproof cover plate through hoses.
Furthermore, dustproof cover plate is bilateral symmetry form lock at the shipment shallow top, and dustproof cover plate and shipment shallow top rotate to be connected, and the inboard atomizer that is the form of arranging of dustproof cover plate is installed, and the atomizer is linked together with the built-in pipeline of dustproof cover plate.
Furthermore, a limiting jack is formed in the outer end of the rear portion of the dustproof cover plate, limiting pins are respectively installed in the left side and the right side of the loading and transporting cart in a sliding mode, and the rear ends of the limiting pins are connected into the limiting jack in the rear portion of the dustproof cover plate in an inserting mode.
Furthermore, a driving lug is arranged at the outer end of the rear part of the dustproof cover plate.
Further, the manual opening and closing mechanism includes:
the opening and closing rod is rotationally connected to the rear side of the loading and transporting cart in a bilateral symmetry manner, a sliding hole is formed in the top of the opening and closing rod, and a driving lug at the rear part of the dustproof cover plate is slidably connected in the sliding hole;
the bottom of the driving rod is rotatably connected inside the opening and closing rod, the top end of the driving rod is provided with a handle, and the top end of the driving rod is rotatably connected with the top end of the driving rod at another position.
Furthermore, the bottom of the opening and closing rod is in an incomplete gear shape, and the bottom of the opening and closing rod is meshed with the bottom of the other opening and closing rod.
Furthermore, a power box is installed in the bottom of the shipping cart, a pushing handle is arranged at the rear end of the shipping cart, a combination switch is installed at the top of the pushing handle, the power box is connected with the combination switch through a circuit, and the combination switch is connected with the motor and the pump body through circuits respectively.
Compared with the prior art, the invention has the following beneficial effects:
1. the arrangement of the slag trap and the driving mechanism is beneficial to driving the transmission gears on the left side and the right side of the loading and transporting cart to synchronously rotate through the motor, so that the slag trap is driven to open and close through the transmission gears, building residues in the loading and transporting cart can slide out of the front end, and the building residues in the loading and transporting cart can be unloaded more conveniently and quickly.
2. The arrangement of the atomizing nozzles on the inner side of the dustproof cover plate is beneficial to conveying water in the water tank into the built-in pipeline of the dustproof cover plate through the water supply pipe by the pump body when the dustproof cover plate is opened and building residues are poured into the shipping cart, the atomizing nozzles on the inner side of the dustproof cover plate spray water mist into the shipping cart, so that the humidity of the building residues in the shipping cart is increased, a dust suppression effect is achieved, and dust is prevented from diffusing out of the interior of the shipping cart to influence the quality of surrounding air; and the setting of cooperation spacer pin, when the dustproof apron at both ends was opened and shut about the shipment shallow top, with the spacer pin plug-in connection in the dustproof apron rear portion, play spacing fixed effect to the dustproof apron, stability when the guarantee dustproof apron opened and shut.
3. The arrangement of the manual opening and closing mechanism is beneficial to driving the left and right driving rods to move downwards through the handle, so that the left and right opening and closing rods are driven to rotate downwards through the driving rods, and then the opening and closing rods drive the driving lugs at the rear part of the dustproof cover plate to move downwards, so that the dustproof cover plate is rotated to open and close; and the bottom of the opening and closing rod is in the shape of an incomplete gear, so that the opening and closing rod is ensured to rotate and adjust the synchronism, and the opening and closing synchronism of the dustproof cover plates at the left end and the right end of the top of the loading and transporting cart is ensured.
Drawings
FIG. 1 is a schematic view of the left side axial view in the closed state of the present invention.
Fig. 2 is a right side axial view structural schematic diagram in a closed state of the invention.
FIG. 3 is a schematic view of the left side axial view in the open/close state of the present invention.
Fig. 4 is a schematic view of the shipping cart axle of the present invention.
FIG. 5 is an axial view of the slag trap of the present invention.
Fig. 6 is an axial view of the dust cover of the present invention.
Fig. 7 is a schematic view of the driving mechanism of the present invention.
Fig. 8 is a schematic structural view of the manual opening and closing mechanism of the present invention.
Fig. 9 is a schematic view of the axial view connection structure of the water tank and the pump body.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a shipping cart; 101. a push handle; 102. a support wheel; 103. a combination switch; 2. a slag trap; 201. a rack; 3. a dust-proof cover plate; 301. an atomizing spray head; 302. a drive lug; 303. limiting the jacks; 4. a motor; 401. a driving gear; 5. a transmission gear; 6. an opening and closing lever; 601. a slide hole; 7. a drive rod; 701. a handle; 8. a spacing pin; 9. a water tank; 10. a power supply box; 11. a pump body; 12. a water supply pipe; 13. a hose.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 9:
the invention provides a dust-nose-choking-proof residue collecting and transporting device for construction engineering, which comprises a transporting cart 1, a slag baffle plate 2, a dust-proof cover plate 3 and a power box 10, wherein the transporting cart is used for transporting residues;
the internal car hopper of the shipping cart 1 is inclined, the bottom of the shipping cart 1 is rotatably connected with a supporting wheel 102, a power box 10 is installed in the bottom of the shipping cart 1, a push handle 101 is arranged at the rear end of the shipping cart 1, a combination switch 103 is installed at the top of the push handle 101, the power box 10 is connected with the combination switch 103 through a circuit, and the combination switch 103 is respectively connected with the motor 4 and the pump body 11 through a circuit;
the slag trap 2 is connected to the front end of the shipping cart 1, the left end and the right end of the slag trap 2 are respectively connected with a driving mechanism, and the driving mechanism is arranged in the bottom of the shipping cart 1;
the dustproof cover plate 3 is provided with two parts in total and is made of light materials, the dustproof cover plate 3 is installed at the top of the shipping cart 1, the rear part of the dustproof cover plate 3 is connected with a manual opening and closing mechanism, the manual opening and closing mechanism is installed at the rear side of the shipping cart 1, and the outer end of the rear part of the dustproof cover plate 3 is provided with a driving lug 302;
the power box 10 is arranged at the right end of the water tank 9.
Wherein, both ends link to each other with both ends about the shipment shallow 1 front side respectively about the top of scum board 2, and both ends are equipped with rack 201 respectively about the scum board 2, and rack 201 is circular-arc to rack 201 sliding connection is in the shipment shallow 1 left and right sides.
Wherein, actuating mechanism includes:
the motor 4 is arranged in the bottom of the loading and transporting cart 1, and driving gears 401 are respectively arranged at the two rotating ends of the motor 4;
the transmission gears 5 are respectively and rotatably connected into the left side and the right side of the loading cart 1, the driving gear 401 is meshed with the transmission gears 5, and the transmission gears 5 are meshed with the racks 201; the specific function is that the transmission gears 5 on the left side and the right side of the loading and transporting cart 1 are driven by the motor 4 to synchronously rotate, so that the transmission gears 5 drive the slag blocking plates 2 to open and close, and the building residue inside the loading and transporting cart 1 can be unloaded more conveniently and quickly.
Wherein, install water tank 9 in the shipment shallow 1 bottom, the pump body 11 is installed at water tank 9 top, and pump body 11 is linked together with delivery pipe 12, and delivery pipe 12 top both ends are linked together with two department's dust cover 3 built-in pipelines through hose 13 respectively.
The dustproof cover plate 3 is buckled at the top of the shipping cart 1 in a bilateral symmetry manner, the dustproof cover plate 3 is rotatably connected with the top of the shipping cart 1, the atomizing nozzles 301 are arranged on the inner side of the dustproof cover plate 3, and the atomizing nozzles 301 are communicated with a built-in pipeline of the dustproof cover plate 3; the concrete effect, when dustproof cover plate 3 opens, when pouring building residue into shipment shallow 1 inside, 3 inboard atomizer 301 of dustproof cover plate spray water mist to shipment shallow 1 inside, increase the inside building residue humidity of shipment shallow 1, play and press down the dirt effect, avoid the dust to follow the inside diffusion of shipment shallow 1 and come out, influence peripheral air quality.
Wherein, the outer end of the rear part of the dustproof cover plate 3 is provided with a limit jack 303, the left side and the right side of the loading and transporting cart 1 are respectively provided with a limit pin 8 in a sliding way, and the rear end of the limit pin 8 is inserted and connected in the limit jack 303 of the rear part of the dustproof cover plate 3; the concrete effect, when the dustproof apron 3 at both ends opened and shut about the 1 top of shipment shallow, insert to close 8 spacer pins and connect in the dustproof apron 3 rear portion, play spacing fixed effect to dustproof apron 3, the stability when the dustproof apron 3 of guarantee opened and shut.
Wherein, manual mechanism that opens and shuts includes:
the opening and closing rod 6 is connected to the rear side of the loading and transporting cart 1 in a bilaterally symmetrical mode in a rotating mode, a sliding hole 601 is formed in the top of the opening and closing rod 6, and the driving lug 302 at the rear part of the dustproof cover plate 3 is connected into the sliding hole 601 in a sliding mode;
the bottom of the driving rod 7 is rotatably connected inside the opening and closing rod 6, a handle 701 is arranged at the top end of the driving rod 7, and the top end of the driving rod 7 is rotatably connected with the top end of the other driving rod 7; the concrete effect drives two department's actuating lever 7 downstream about through handle 701 to two department's poles 6 that open and shut rotate downwards about driving through actuating lever 7, and the pole 6 that opens and shuts and then drive 3 rear portion drive lugs 302 downstream of dust-proof cover, realize that dust-proof cover 3 rotates to open and shut.
Wherein, the bottom of the opening and closing rod 6 is in an incomplete gear shape, and the bottom of the opening and closing rod 6 is meshed with the bottom of the other opening and closing rod 6; the concrete effect guarantees the synchronism that the opening and closing rod 6 rotates and adjusts to guarantee the synchronism that the dustproof cover plates 3 at the left end and the right end of the top of the loading and transporting cart 1 open and close.
In another embodiment, two hooks are respectively welded at the left end and the right end of the loading and transporting cart 1, and the hooks at the left end and the right end of the loading and transporting cart 1 are connected with the building tower crane through steel wire ropes; concrete effect makes things convenient for the staff to link to each other shipment shallow 1 and building tower crane, transports building residue through the building tower crane, satisfies the diversified transportation demand.
The specific use mode and function of the embodiment are as follows:
when the dustproof cover plate is used, the left and right driving rods 7 are driven to move downwards through the handle 701, so that the left and right opening and closing rods 6 are driven to rotate downwards through the driving rods 7, the opening and closing rods 6 further drive the driving lug 302 at the rear part of the dustproof cover plate 3 to move downwards, the dustproof cover plate 3 is rotated to be opened and closed, the limiting pin 8 is inserted and connected into the rear part of the dustproof cover plate 3, the effect of limiting and fixing the dustproof cover plate 3 is achieved, the stability of the dustproof cover plate 3 during opening and closing is guaranteed, and building residues can be poured into the shipping cart 1; when building residues are poured into the shipping cart 1, the pump body 11 conveys water in the water tank 9 to the built-in pipeline of the dustproof cover plate 3 through the water supply pipe 12, the atomizing nozzles 301 on the inner side of the dustproof cover plate 3 spray water mist to the inside of the shipping cart 1, so that the humidity of the building residues in the shipping cart 1 is increased, the dust suppression effect is achieved, and the dust is prevented from diffusing out of the inside of the shipping cart 1 to influence the quality of surrounding air; next, the driving rod 7 is pulled to move upwards through the handle 701, so that the dustproof cover plate 3 at the top of the loading and transporting cart 1 is closed, when the building residues are pushed to a specified unloading position, the motor 4 drives the transmission gears 5 at the left side and the right side of the loading and transporting cart 1 to synchronously rotate, so that the transmission gears 5 drive the slag blocking plates 2 to open and close, the building residues in the loading and transporting cart 1 slide out from the front end, and the building residues in the loading and transporting cart 1 are unloaded more conveniently and more quickly.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (10)
1. The utility model provides a residue collection shipment device that nose was choked in dust that construction engineering used which characterized in that: comprising a shipping cart (1);
the inner car hopper of the loading and transporting cart (1) is inclined, and the bottom of the loading and transporting cart (1) is rotatably connected with a supporting wheel (102);
the slag trap (2) is connected to the front end of the loading and transporting cart (1), the left end and the right end of the slag trap (2) are respectively connected with a driving mechanism, and the driving mechanism is installed in the bottom of the loading and transporting cart (1);
the dustproof cover plate (3) is provided with two parts in total and is made of light materials, the dustproof cover plate (3) is installed at the top of the loading and transporting cart (1), the rear part of the dustproof cover plate (3) is connected with the manual opening and closing mechanism, and the manual opening and closing mechanism is installed at the rear side of the loading and transporting cart (1);
the power box (10), power box (10) are installed at the right end of water tank (9).
2. The dust and nose fouling prevention debris collection and transportation device for construction works as claimed in claim 1, wherein: both ends link to each other with both ends about shipment shallow (1) front side respectively about slag trap (2) top, and both ends are equipped with rack (201) respectively about slag trap (2), and rack (201) are circular-arc to rack (201) sliding connection is in the shipment shallow (1) left and right sides.
3. The dust and nose fouling prevention debris collection and transportation device for construction works as claimed in claim 1, wherein: the drive mechanism includes:
the motor (4), the motor (4) is installed in the bottom of the loading and transporting cart (1), and the two rotating ends of the motor (4) are respectively provided with a driving gear (401);
the transmission gear (5), transmission gear (5) rotate respectively and connect in the left and right sides of shipment shallow (1), and driving gear (401) and transmission gear (5) mesh mutually, and transmission gear (5) mesh mutually with rack (201).
4. The dust and nose fouling prevention debris collection and transportation device for construction works as claimed in claim 1, wherein: a water tank (9) is installed in the bottom of the loading and transporting cart (1), a pump body (11) is installed at the top of the water tank (9), the pump body (11) is communicated with a water supply pipe (12), and two ends of the top of the water supply pipe (12) are respectively communicated with built-in pipelines of two dustproof cover plates (3) through hoses (13).
5. The dust and nose fouling prevention debris collection and transportation device for construction works as claimed in claim 1, wherein: dustproof cover plate (3) are bilateral symmetry form lock at shipment shallow (1) top, and dustproof cover plate (3) rotate with shipment shallow (1) top and be connected to atomizing nozzle (301) are installed to dustproof cover plate (3) inboard to be the form of arranging, and atomizing nozzle (301) are linked together with dustproof cover plate (3) built-in pipeline.
6. The dust and nose fouling prevention debris collection and transportation device for construction works as claimed in claim 1, wherein: a limiting jack (303) is arranged at the outer end of the rear portion of the dustproof cover plate (3), limiting pins (8) are respectively installed in the left side and the right side of the loading and transporting cart (1) in a sliding mode, and the rear ends of the limiting pins (8) are connected into the limiting jack (303) in the rear portion of the dustproof cover plate (3) in an inserting mode.
7. The dust and nose fouling prevention debris collection and transportation device for construction works as claimed in claim 1, wherein: the outer end of the rear part of the dustproof cover plate (3) is provided with a driving lug (302).
8. The dust and nose fouling prevention debris collection and transportation device for construction works as claimed in claim 1, wherein: the manual opening and closing mechanism comprises:
the opening and closing rod (6) is connected to the rear side of the loading and transporting cart (1) in a bilaterally symmetrical mode in a rotating mode, a sliding hole (601) is formed in the top of the opening and closing rod (6), and the rear driving lug (302) of the dustproof cover plate (3) is connected into the sliding hole (601) in a sliding mode;
the bottom of the driving rod (7) is rotatably connected inside the opening and closing rod (6), the top end of the driving rod (7) is provided with a handle (701), and the top end of the driving rod (7) is rotatably connected with the top end of the driving rod (7) at another position.
9. The dust and nose fouling prevention debris collection and transportation device for construction works as claimed in claim 8, wherein: the bottom of the opening and closing rod (6) is in an incomplete gear shape, and the bottom of the opening and closing rod (6) is meshed with the bottom of the other opening and closing rod (6).
10. The dust and nose fouling prevention debris collection and transportation device for construction works as claimed in claim 1, wherein: the power supply box (10) is installed in the bottom of the shipping cart (1), the pushing handle (101) is arranged at the rear end of the shipping cart (1), the combination switch (103) is installed at the top of the pushing handle (101), the power supply box (10) is connected with the combination switch (103) through a circuit, and the combination switch (103) is connected with the motor (4) and the pump body (11) through circuits respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110865747.3A CN113635953A (en) | 2021-07-29 | 2021-07-29 | Dust-proof nose-choking residue collecting and loading device for construction engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110865747.3A CN113635953A (en) | 2021-07-29 | 2021-07-29 | Dust-proof nose-choking residue collecting and loading device for construction engineering |
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| Publication Number | Publication Date |
|---|---|
| CN113635953A true CN113635953A (en) | 2021-11-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110865747.3A Pending CN113635953A (en) | 2021-07-29 | 2021-07-29 | Dust-proof nose-choking residue collecting and loading device for construction engineering |
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| Country | Link |
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| CN (1) | CN113635953A (en) |
Citations (7)
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|---|---|---|---|---|
| CA2856339A1 (en) * | 2013-03-13 | 2014-09-13 | Paul Talbot | Double-pivot syncronisation mechanism for opening and closing two leaves |
| CN211391307U (en) * | 2019-10-16 | 2020-09-01 | 袁凯 | Multifunctional trolley for bridge construction |
| CN211943078U (en) * | 2019-12-31 | 2020-11-17 | 山东华驰重工机械有限公司 | Dump truck discharging door safety device |
| CN212141932U (en) * | 2020-04-21 | 2020-12-15 | 中建三局第一建设工程有限责任公司 | Dust device is used in construction |
| CN212195667U (en) * | 2020-03-19 | 2020-12-22 | 丽水市莲都区君正模具厂 | Carriage for transporting construction waste |
| CN212680475U (en) * | 2020-07-21 | 2021-03-12 | 王志强 | Movable electronic automatic spraying dust-removing device |
| CN212861480U (en) * | 2020-05-19 | 2021-04-02 | 碧源建工有限公司 | A cement gravel and sand transfer device for building engineering |
-
2021
- 2021-07-29 CN CN202110865747.3A patent/CN113635953A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2856339A1 (en) * | 2013-03-13 | 2014-09-13 | Paul Talbot | Double-pivot syncronisation mechanism for opening and closing two leaves |
| CN211391307U (en) * | 2019-10-16 | 2020-09-01 | 袁凯 | Multifunctional trolley for bridge construction |
| CN211943078U (en) * | 2019-12-31 | 2020-11-17 | 山东华驰重工机械有限公司 | Dump truck discharging door safety device |
| CN212195667U (en) * | 2020-03-19 | 2020-12-22 | 丽水市莲都区君正模具厂 | Carriage for transporting construction waste |
| CN212141932U (en) * | 2020-04-21 | 2020-12-15 | 中建三局第一建设工程有限责任公司 | Dust device is used in construction |
| CN212861480U (en) * | 2020-05-19 | 2021-04-02 | 碧源建工有限公司 | A cement gravel and sand transfer device for building engineering |
| CN212680475U (en) * | 2020-07-21 | 2021-03-12 | 王志强 | Movable electronic automatic spraying dust-removing device |
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Application publication date: 20211112 |