CN111730734B - A cantilever crane for precast beam sprays maintenance - Google Patents
A cantilever crane for precast beam sprays maintenance Download PDFInfo
- Publication number
- CN111730734B CN111730734B CN202010739641.4A CN202010739641A CN111730734B CN 111730734 B CN111730734 B CN 111730734B CN 202010739641 A CN202010739641 A CN 202010739641A CN 111730734 B CN111730734 B CN 111730734B
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- rod
- arm
- connecting rod
- hinged
- precast beam
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- 238000012423 maintenance Methods 0.000 title claims abstract description 35
- 239000007921 spray Substances 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 70
- 238000005507 spraying Methods 0.000 claims abstract description 28
- 239000000463 material Substances 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/245—Curing concrete articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
- B28B17/0063—Control arrangements
- B28B17/0081—Process control
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Automation & Control Theory (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention relates to an arm support for spray maintenance of a precast beam. The cantilever crane for the precast beam spraying maintenance comprises a chassis, a water tank, a water pump, a control system, a spraying pipeline and a cantilever crane main body, wherein the water tank and the water pump are arranged at the top of the chassis; the control system is arranged on the outer side wall of the water tank; the arm support main body is vertically arranged at the top of the chassis and is fixedly connected with the water tank; the water inlet of the water pump is communicated with the water tank, and the water outlet of the water pump is communicated with the spraying pipeline. The cantilever crane for spray maintenance of the precast beam provided by the invention is foldable, good in trafficability, small in turning radius and good in balance.
Description
Technical Field
The invention relates to the technical field of precast beam maintenance, in particular to an arm support for precast beam spraying maintenance.
Background
After the precast beam is poured, if the precast beam is not maintained in time, water in concrete can be quickly evaporated to form a dehydration phenomenon, so that cement particles which form gel cannot be fully hydrated, cannot be converted into stable crystals, and lack of sufficient cohesive force, and thus flaky or powdery falling can occur on the surface of the precast beam. Further, when the concrete does not have sufficient strength, premature evaporation of water causes large shrinkage deformation and cracks due to drying shrinkage. Therefore, the maintenance of the precast beam after casting is very important, the microscopic characteristics of the concrete material are directly determined by the quality of maintenance, the maintenance is reasonable, the compactness of the concrete is high, the total void ratio is low, the capillary content is reduced, and the performance of the concrete, such as strength and impermeability, can be obviously improved.
In the precast beam slab intelligent maintenance device disclosed in patent CN206614642U (grant publication number), its spraying support is fixed, and trafficability characteristic is poor, and turning radius is big, and unbalance is serious.
Disclosure of Invention
In order to solve the technical problems that the spraying support of the intelligent maintenance device for the precast beam slab is fixed, poor in trafficability characteristic, large in turning radius and serious in unbalanced condition, the invention provides the arm support for spraying and maintaining the precast beam, which is foldable, good in trafficability characteristic, small in turning radius and good in balance.
The invention provides an arm support for spray maintenance of a precast beam, which comprises a chassis, a water tank, a water pump, a control system, a spray pipeline and an arm support main body, wherein the water tank and the water pump are arranged at the top of the chassis; the control system is arranged on the outer side wall of the water tank; the arm support main body is vertically arranged at the top of the chassis and is fixedly connected with the water tank; the water inlet of the water pump is communicated with the water tank, and the water outlet of the water pump is communicated with the spraying pipeline; the arm support main body comprises a vertical rod, a cross rod, a side arm, an upper arm, a swing rod, a connecting rod, an upper connecting rod and an electric push rod, wherein the vertical rod is vertically arranged at the top of the chassis and is fixedly connected with the water tank; one end of the cross rod is fixedly connected with the upper end part of the vertical rod; one end of the side arm is hinged with the other end of the cross rod and one end of the swing rod respectively; the other end of the swing rod is hinged with the middle part of the connecting rod; one end of the upper arm is hinged with the other end of the cross rod and one end of the upper connecting rod respectively; one end of the connecting rod is hinged with the other end of the cross rod; one end of the electric push rod is hinged to the middle part of the cross rod, and the other end of the electric push rod is hinged to the other end of the connecting rod and the other end of the upper connecting rod respectively; the spraying pipeline is arranged along the vertical rod, the cross rod, the side arm and the upper arm, and the control system is electrically connected with the chassis, the water pump and the electric push rod respectively and used for controlling the chassis, the water pump and the electric push rod to work.
In a preferred embodiment of the cantilever crane for precast beam spraying maintenance provided by the invention, the spraying pipeline comprises a water pipe and nozzles, the water pipe is arranged along the vertical rod, the cross rod, the side arms and the upper arm, and the nozzles are arranged on the water pipe on the side arm and the water pipe on the upper arm at intervals.
In a preferred embodiment of the arm support for spray maintenance of the precast beam, the cross rod comprises a gas spring and a bracket, one end of the gas spring is hinged with one end of the cross rod, which is far away from the vertical rod, and the other end of the gas spring is hinged with one end of the bracket; the other end of the bracket is hinged with one end of the cross rod far away from the upright rod.
In a preferred embodiment of the arm support for spray maintenance of the precast beam provided by the invention, the upright stanchion, the cross bar, the side arm, the upper arm, the swing link, the connecting rod, the upper connecting rod and the bracket are all made of light materials.
In a preferred embodiment of the arm support for spray maintenance of the precast beam provided by the invention, the upright stanchion, the cross bar, the side arm, the upper arm, the swing link, the connecting rod, the upper connecting rod and the bracket are all made of aluminum alloy.
Compared with the prior art, the cantilever crane for spray maintenance of the precast beam provided by the invention has the following beneficial effects:
through the arrangement of the swing rod, the connecting rod, the upper connecting rod and the electric push rod, the side arm and the upper arm can be unfolded and folded, the size of the cantilever crane for spraying and maintaining the precast beam is reduced, the trafficability is good, and the turning radius is small.
Secondly, through setting up air spring and bracket, can effectively guarantee that the upper arm can not lead to electric putter to damage because of dead weight inertia when falling.
And thirdly, the vertical rod, the cross rod, the side arm, the upper arm, the swing rod, the connecting rod, the upper connecting rod and the bracket are made of light materials, so that the weight of the arm support main body can be effectively reduced, and the balance of the arm support for spray maintenance of the precast beam in use is ensured.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic structural diagram of an arm support for spray maintenance of precast beams, which is provided by the invention;
fig. 2 is a schematic structural diagram of the cantilever crane for precast beam spraying maintenance in fig. 1 in a working state.
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.
Please refer to fig. 1 and fig. 2, wherein fig. 1 is a schematic structural diagram of an arm support for precast beam spraying maintenance according to the present invention; fig. 2 is a schematic structural diagram of the cantilever crane for precast beam spraying maintenance in fig. 1 in a working state. The cantilever crane 1 for precast beam spraying maintenance comprises a chassis 11, a water tank 12, a water pump 13, a control system 14, a cantilever crane main body and a spraying pipeline, wherein the water tank 12 and the water pump 13 are arranged at the top of the chassis 11; the control system 14 is arranged on the outer side wall of the water tank 12; the arm support main body is vertically arranged at the top of the chassis 11 and is fixedly connected with the water tank 12; the water inlet of the water pump 13 is communicated with the water tank 12, and the water outlet of the water pump 13 is communicated with the spraying pipeline.
The arm support main body comprises a vertical rod 151, a cross rod 152, a side arm 153, an upper arm 154, a swing rod 155, a connecting rod 156, an upper connecting rod 157 and an electric push rod 158, wherein the vertical rod 151 is vertically arranged at the top of the chassis 11 and is fixedly connected with the water tank 12; one end of the cross bar 152 is fixedly connected with the upper end of the vertical rod 151; a gas spring 1521 and a bracket 1522 are arranged on the cross rod 152, one end of the gas spring 1521 is hinged with one end of the cross rod 152 far away from the upright rod 151, and the other end of the gas spring 1521 is hinged with one end of the bracket 1522; the other end of the bracket 1522 is hinged to one end of the cross bar 152 far away from the upright rod 151; one end of the side arm 153 is hinged to the other end of the cross bar 152 and one end of the swing rod 155 respectively; the other end of the swing rod 155 is hinged with the middle part of the connecting rod 156; one end of the upper arm 154 is hinged to one end of the upper link 157, and is connected to one end of the bracket 1522 away from the cross bar 152; one end of the connecting rod 156 is hinged with the other end of the cross bar 152; one end of the electric push rod 158 is hinged to the middle of the cross bar 152, and the other end of the electric push rod 158 is hinged to the other end of the connecting rod 156 and the other end of the upper connecting rod 157 respectively; the electric push rod 158 has top and bottom limit functions, the electric push rod 158 is pushed out, the upper arm 154 is driven to unfold by the upper connecting rod 157, the side arm 153 is driven to unfold by the connecting rod 156 and the swing rod 155, when the top limit is reached, the electric push rod 158 automatically stops, the upper arm 154 and the cross rod 152 keep a horizontal state, and the side arm 153 and the cross rod 152 keep a vertical state; the electric push rod 158 retracts to drive the upper arm 154 and the side arm 153 to fold; when the position reaches the bottom limit position, the electric push rod 158 automatically stops, and the upper arm 154, the cross rod 152 and the side arm 153 are all kept in a parallel state and form a three-shaped shape.
When the upper arm 154 starts to fall after passing through the highest point in the unfolding process, the upper arm 154 is in contact with the bracket 1522, and the gas spring 1521 is compressed to continue to fall until the upper arm is in a horizontal state; the bracket 1522 and the gas spring 1521 are used for ensuring that the electric push rod 158 cannot be damaged due to self-weight inertia when the upper arm 154 falls.
The chassis 11 is capable of walking under the control of the control system 14.
The control system 14 is electrically connected to the water pump 13 and the electric push rod 158, and is configured to operate the water pump 13 and the electric push rod 158.
The spraying pipeline comprises a water pipe 161 and nozzles 162, the water pipe 161 is arranged along the vertical rod 151, the cross rod 152, the side arm 153 and the upper arm 154, and the nozzles 162 are arranged on the water pipe 161 on the side arm 153 and the upper arm 154 at intervals; the nozzle 162 is installed toward the precast beam 21.
The upright post 151, the cross rod 152, the side arms 153, the upper arm 154, the swing rod 155, the connecting rod 156, the upper connecting rod 157 and the bracket 1522 are all made of light materials, such as aluminum alloy, so that the weight of the arm support main body can be effectively reduced, and the balance of the arm support 1 for precast beam spraying maintenance in use can be ensured.
When the precast beam 21 needs to be maintained during working, a worker controls the chassis 11 to walk beside the precast beam 21 through the control system 14; the control system 14 controls the electric push rod 158 to push out, the electric push rod 158 pushes out to the top limit position, and the upper arm 154 and the side arm 153 are fully unfolded; the control system 14 controls the water pump 13 to start and operate, and the maintenance water is sprayed out from the water tank 12 through the water pipe 161 and then through each nozzle 162 to reach the surface of the precast beam 21; the staff controls the chassis 11 to move clockwise for a circle along the precast beam 21 through the control system 14, and the maintenance work of the precast beam 21 is completed; after the maintenance is finished, the control system 14 controls the water pump 13 to stop running, controls the electric push rod 158 to retract, and completely folds the upper arm 154 and the side arm 153; the staff controls the chassis 11 to walk to the standby area through the control system 14, and waits for the next work order.
The arm support 1 for spray maintenance of the precast beam provided by the invention has the following beneficial effects:
through the arrangement of the swing rod 155, the connecting rod 156, the upper connecting rod 157 and the electric push rod 158, the side arms 153 and the upper arms 154 can be unfolded and folded, the size of the cantilever crane 1 for precast beam spraying maintenance is reduced, the trafficability is good, and the turning radius is small.
Secondly, through setting up gas spring 1521 and bracket 1522, can effectively guarantee can not lead to because of dead weight inertia when upper arm 154 falls electric putter 158 damages.
Thirdly, the vertical rod 151, the cross rod 152, the side arms 153, the upper arms 154, the swing rods 155, the connecting rods 156, the upper connecting rods 157 and the brackets 1522 are made of light materials, so that the weight of the arm support main body can be effectively reduced, and the balance of the arm support 1 for precast beam spraying maintenance in use is guaranteed.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (4)
1. An arm support for spray maintenance of a precast beam is characterized by comprising a chassis, a water tank, a water pump, a control system, a spray pipeline and an arm support main body, wherein the water tank and the water pump are arranged at the top of the chassis; the control system is arranged on the outer side wall of the water tank; the arm support main body is vertically arranged at the top of the chassis and is fixedly connected with the water tank; the water inlet of the water pump is communicated with the water tank, and the water outlet of the water pump is communicated with the spraying pipeline; the arm support main body comprises a vertical rod, a cross rod, a side arm, an upper arm, a swing rod, a connecting rod, an upper connecting rod and an electric push rod, wherein the vertical rod is vertically arranged at the top of the chassis and is fixedly connected with the water tank; one end of the cross rod is fixedly connected with the upper end part of the vertical rod; the cross rod is provided with an air spring and a bracket, one end of the air spring is hinged with one end of the cross rod, which is far away from the upright rod, and the other end of the air spring is hinged with one end of the bracket; the other end of the bracket is hinged with one end of the cross rod, which is far away from the upright stanchion; one end of the side arm is hinged with the other end of the cross rod and one end of the swing rod respectively; the other end of the swing rod is hinged with the middle part of the connecting rod; one end of the upper arm is hinged with one end of the upper connecting rod and is connected with one end of the bracket far away from the cross rod; one end of the connecting rod is hinged with the other end of the cross rod; one end of the electric push rod is hinged to the middle part of the cross rod, and the other end of the electric push rod is hinged to the other end of the connecting rod and the other end of the upper connecting rod respectively; the spraying pipeline is arranged along the vertical rod, the cross rod, the side arm and the upper arm, and the control system is electrically connected with the chassis, the water pump and the electric push rod respectively and used for controlling the chassis, the water pump and the electric push rod to work.
2. The cantilever crane for precast beam spraying maintenance according to claim 1, wherein the spraying pipeline comprises water pipes and nozzles, the water pipes are arranged along the vertical rod, the cross rod, the side arms and the upper arm, and the nozzles are arranged on the water pipes on the side arms and the upper arm at intervals.
3. The cantilever crane for precast beam spraying maintenance according to claim 1, wherein the upright stanchion, the cross bar, the side arm, the upper arm, the swing link, the connecting rod, the upper connecting rod and the bracket are all made of light materials.
4. The cantilever crane for precast beam spraying maintenance according to claim 3, wherein the upright stanchion, the cross bar, the side arm, the upper arm, the swing link, the connecting rod, the upper connecting rod and the bracket are all made of aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010739641.4A CN111730734B (en) | 2020-07-28 | 2020-07-28 | A cantilever crane for precast beam sprays maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010739641.4A CN111730734B (en) | 2020-07-28 | 2020-07-28 | A cantilever crane for precast beam sprays maintenance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111730734A CN111730734A (en) | 2020-10-02 |
| CN111730734B true CN111730734B (en) | 2020-11-20 |
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ID=72656355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010739641.4A Active CN111730734B (en) | 2020-07-28 | 2020-07-28 | A cantilever crane for precast beam sprays maintenance |
Country Status (1)
| Country | Link |
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| CN (1) | CN111730734B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113910430B (en) * | 2021-11-01 | 2022-12-09 | 中国铁路设计集团有限公司 | Integrated distributed spraying device for maintaining prefabricated box girder and application |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009101569A (en) * | 2007-10-23 | 2009-05-14 | Oriental Shiraishi Corp | Curing device and curing method of mass concrete |
| CN205243051U (en) * | 2015-12-23 | 2016-05-18 | 中铁十二局集团第二工程有限公司 | Quick travel full automatic spray care car |
| CN205685518U (en) * | 2016-05-19 | 2016-11-16 | 李学增 | Prefabricated case beam fully-automatic sprinkling is maintained equipment |
| CN206614642U (en) * | 2017-03-02 | 2017-11-07 | 湖南联智智能科技有限公司 | A kind of intelligent curing means of precast beam |
| CN208179894U (en) * | 2018-04-18 | 2018-12-04 | 中铁十五局集团路桥建设有限公司 | A kind of prefabricated case beam automatic spray curing means |
| CN210900764U (en) * | 2019-09-27 | 2020-07-03 | 湖南三耳重工科技发展有限公司 | Boom structure for wet spraying machine and wet spraying machine |
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2020
- 2020-07-28 CN CN202010739641.4A patent/CN111730734B/en active Active
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| Publication number | Publication date |
|---|---|
| CN111730734A (en) | 2020-10-02 |
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| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A boom for spray curing of precast beams Effective date of registration: 20221227 Granted publication date: 20201120 Pledgee: Changsha bank Limited by Share Ltd. Xiangjiang New District sub branch Pledgor: HUNAN LIANZHI INTELLIGENT TECHNOLOGY CO.,LTD. Registration number: Y2022980028785 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20201120 Pledgee: Changsha bank Limited by Share Ltd. Xiangjiang New District sub branch Pledgor: HUNAN LIANZHI INTELLIGENT TECHNOLOGY CO.,LTD. Registration number: Y2022980028785 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A type of boom for precast beam spray maintenance Granted publication date: 20201120 Pledgee: Changsha bank Limited by Share Ltd. Xiangjiang New District sub branch Pledgor: HUNAN LIANZHI INTELLIGENT TECHNOLOGY CO.,LTD. Registration number: Y2024980020360 |