CN103074852A - Digital constant-temperature control concrete ultra-low-temperature construction maintenance system - Google Patents
Digital constant-temperature control concrete ultra-low-temperature construction maintenance system Download PDFInfo
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- CN103074852A CN103074852A CN2013100451849A CN201310045184A CN103074852A CN 103074852 A CN103074852 A CN 103074852A CN 2013100451849 A CN2013100451849 A CN 2013100451849A CN 201310045184 A CN201310045184 A CN 201310045184A CN 103074852 A CN103074852 A CN 103074852A
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Abstract
The invention discloses a digital constant-temperature control concrete ultra-low-temperature construction maintenance system, which comprises a sliding template, a data collecting device, a wireless transmission device and a heating control device, wherein a heat insulation shed is arranged on the outer periphery of the sliding template, a steel plate hanging frame is arranged at the lower part of the sliding template, four electronic heating quilts are suspended on the steel frame hanging frame, the four electronic heating quilts are surrounded into a barrel-shaped sealing head insulation cover, each electronic heating quilt is respectively and sequentially formed by connecting a high-intensity glass fiber layer, a heat tape and a heat insulation cotton layer from inside to outside, a plurality of temperature sensors are arranged on each electronic heating quilt, and all temperature sensors and heat tapes are respectively connected with the data collecting device, the wireless transmission device and the heating control device. Good heating and heat insulation effects can be realized, and the heat loss during the concrete casting can be effectively prevented. When the environment temperature is minus 30 DEG C, the temperature on the surface of the concrete can be enabled to be higher than 5 DEG C, so the cold damage and the crack occurrence on the surface of the concrete can be prevented, and the casting quality of bridge piers can be ensured.
Description
Technical field
The present invention relates to a kind of digital thermostatic control concrete ultralow temperature construction and maintenance system.
Background technology
At present, can't carry out the construction of bridge pier concrete under the low temperature environment in the winter time.Its main cause is that winter temperature is lower, wind speed is very fast, so that its inside and outside temperature difference is larger after the concreting; When internal-external temperature difference was spent above 25, the crack can appear in concrete surface, directly affects the quality of bridge pier.
Summary of the invention
Purpose of the present invention provides a kind of digital thermostatic control concrete ultralow temperature construction and maintenance system, and it can play good heating, insulation effect, the heat loss in the time of effectively preventing concreting.When environment temperature for-30 when spending, it can guarantee concrete surface more than five degree, thereby can prevent the concrete surface frostbite and the crack occur, guarantees the pouring quality of bridge pier.
The objective of the invention is to be achieved through the following technical solutions: digital thermostatic control concrete ultralow temperature construction and maintenance system, comprise sliding shuttering, data acquisition unit, radio transmitting device and heating control device, the sliding shuttering periphery is installed roof insulating; The steel pipe suspension bracket is installed in the bottom of sliding shuttering, hangs four electrons heat quilts on the steel pipe suspension bracket, and four electrons heat are surrounded the sealed thermal insulating cover of a tubbiness; Every electrons heat is connected and composed by high-strength glass fibre layer, heating tape and heat-preservation cotton layer from inside to outside successively; Every electrons heat is by upper several temperature pick ups that all are equipped with, and all temperature pick ups are connected with heating tape with data acquisition unit, radio transmitting device and heating control device and are connected.
For further realizing purpose of the present invention, can also realize by the following technical solutions: the periphery of described sliding shuttering is installed several heating tubes and several sensors, and electric heating tube is connected with sensor with data acquisition unit, radio transmitting device and heating control device and is connected.Several far infrared shot-lights are installed on the inwall of described roof insulating.Every described electrons heat had a lower stainless steel tube by the outside of bottom, and every lower stainless steel tube respectively hangs on the steel pipe suspension bracket by at least two lower stainless steel tube lifting ropes, connects with elastic threads between wantonly two adjacent lower stainless steel tubes.On the described steel pipe suspension bracket connecting ring is installed, the steel pipe suspension bracket is connected with sliding shuttering by connecting ring.The upper end of every described electrons heat quilt is connected by the first fixed head, the second fixed head and the main body of bolt with the electrons heat quilt of being connected after walking around the steel pipe suspension bracket, thereby electrons heat is connected and fixed with the steel pipe suspension bracket.Grip by two junction plates and the 3rd bolt between wantonly two adjacent electrons heat quilts.Wantonly two adjacent electrons heat by between move grip tube and several the second bolt is fixed by second bolt, second time stainless steel tube.Be connected with nut by nut between the first workbench and the roof insulating, offer locating hole on the nut; On the first workbench lock body is installed, the lock body internal upper part is offered the first gathering sill, and the second gathering sill is offered in the lock body bottom; Level is offered baffle plate groove in the lock body, and baffle plate groove communicates with the first gathering sill and the second gathering sill respectively; Pin is installed in the first gathering sill, and push rod is installed in the bottom of pin, and the diameter of push rod is less than cotter diameter, mounting limit ring in the first gathering sill lower port, and spacing ring cooperates with push rod; The push rod periphery is installed the first spring, and the lower end of the first spring contacts with spacing ring, and the first spring upper end contacts with pin; Slide block, the second gathering sill lower port place mounting limit ring are installed in the second gathering sill; The second spring and baffle plate are installed in the baffle plate groove, and an end of baffle plate is installed the second spring, and the other end of baffle plate is vertically offered through hole; After baffle plate compressed the second spring and moves, through hole can cooperate with the first gathering sill; Pin contacts with baffle plate; Triangular bump is installed in the second gathering sill, and triangular bump is connected with baffle plate, and slide block is provided with jacking block, and jacking block cooperates with triangular bump; Push rod cooperates with locating hole.
Good effect of the present invention is: its roof insulating and electrons heat can be wrapped up bridge pier; prevent that the concrete heat scatters and disappears; and; roof insulating and electrons heat can be risen with sliding shuttering; the concrete that makes whole bridge pier at the beginning of building till solidify whole process be under the temperature constant state, guarantee the concrete normal freezing.In addition; it also is equipped with temperature pick up; temperature pick up can in time be monitored electrons heat by the actual temp of upper each position; and information passed to the data collection radio transmitting device; the data collection radio transmitting device is wireless passes to the control computer on ground; so that the computer expert crosses the electric power control box and controls flexibly the heating tape heating, guarantee that further concrete solidifies under constant temperature.The present invention also has advantage simple in structure, cheap for manufacturing cost and easy to use.
Description of drawings
Fig. 1 is the structural representation of digital thermostatic control concrete ultralow temperature construction and maintenance of the present invention system; Fig. 2 is the A-A line section zoomed-in view along Fig. 1; Fig. 3 is the local structure for amplifying schematic diagram of the II of Fig. 2; Fig. 4 is the local structure for amplifying schematic diagram of the III of Fig. 2; Fig. 5 is the local structure for amplifying schematic diagram of the I of Fig. 1; Fig. 6 analyses and observe the structure for amplifying schematic diagram along the B-B line of Fig. 5; Fig. 7 is IV section structure for amplifying schematic diagram among Fig. 1; Fig. 8 be among Fig. 7 C to amplifying to the TV structure schematic diagram; Fig. 9 is the intelligent constant-temperature heating system functional block diagram of described digital thermostatic control concrete ultralow temperature construction and maintenance system; Figure 10 be described digital thermostatic control concrete ultralow temperature construction and maintenance system intelligent radio transmission thermostatic control system surface chart is set; Figure 11 is the temperature display interface figure of the wireless constant-temperature control system of described digital thermostatic control concrete ultralow temperature construction and maintenance system; Figure 12 is the temperature profile of the wireless constant-temperature control system of described digital thermostatic control concrete ultralow temperature construction and maintenance system.
Numerals: a pier? 2 slide template? 3 first stage? Four roof insulation? Five far-infrared spotlights? 6 cover? 7 electron heating is? 8 temperature sensor? 9, stainless steel sling? 10 Next stainless steel tube? 11 windscreen? 12 second table? 13 first moves under the stainless steel pipe clamp tube? 14 second moving the stainless steel tube clamp tube? 15 connecting ring? 16 first fixed plate? 17 second fixed plate? 18 first bolt? 19 pipe hangers? 20 cotton insulation layer? 21 with the tropics? 22 high-strength glass fiber layer? 23 second bolt? 24 plate? 25 third bolt? 26 sensors? 27 nuts? 28 putter? 29 first spring? 30 through Hole? 31 baffle? triangular projections 32? 33 second spring? baffle groove 34? 35 first guide groove? 36 second guide groove? 37 slider? 38 pin? 39 limit ring 40 nut 41 is positioned holes 42 lock body 43 stop ring 44 block 45 power control box 46 data collection and wireless transmission device.
The specific embodiment
Digital thermostatic control concrete ultralow temperature construction and maintenance of the present invention system comprises sliding shuttering 2, data acquisition unit, radio transmitting device and heating control device.As shown in Figure 1, sliding shuttering 2 peripheries are installed roof insulating 4.Steel pipe suspension bracket 19 is installed in the bottom of sliding shuttering 2, hangs four electrons heat on the steel pipe suspension bracket 19 by 7.Four electrons heat are by the 7 sealed thermal insulating covers that surround a tubbiness.As shown in Figure 6, every electrons heat is connected and composed by high-strength glass fibre layer 22, heating tape 21 and heat-preservation cotton layer 20 from inside to outside successively by 7.That high-strength glass fibre layer 22 has is wear-resisting, good toughness and the strong advantage of resistance to tension, can bear the weight of heating tape 21 and heat-preservation cotton layer 20.The thermal resistance better performances of heat-preservation cotton layer 20 has good heat-insulating property.Every electrons heat all is equipped with several temperature pick ups 8 on 7, all temperature pick ups 8 are connected with heating tape and can be connected with data acquisition unit, radio transmitting device and heating control device respectively.Temperature pick up 8 can be wired connection with numerical control device, also can be to carry out wireless connections by wireless device.Install and transportation for convenient, as shown in Figure 1, the processing and fabricating electrons heat was by 7 o'clock, and every electrons heat can be divided into the several piece elongated portion by 7 independently processes, after hanging on several piece elongated portion horizontal Tile on the steel pipe suspension bracket 19 again with adjacent elongated portion suturing with thread management.Be provided with computer in the control room, ground and carry out data and process without the signal that can receive that part consists of by existing electrical equipment, and send the control cabinet of the element heating such as signal controlling heating tape 21.As shown in Figure 9, the equipment in the control room, described ground can be made of radio receiving transmitting module, computer acquisition control system and data storage device.As shown in Figure 1, heating control device can be the electric power control box 45 that A.C. contactor is installed; Data acquisition unit and radio transmitting device connect and compose data collection radio transmitting device 46.After data acquisition unit gathers the information of all temperature pick ups 8, by radio transmitting device this information is sent to computer in the control room, ground, the computer expert crosses control cabinet and sends instruction to data collection radio transmitting device 46 and electric power control box 45, by 21 heating of electric power control box 45 control heating tapes.
When bridge pier is constructed in the winter time, roof insulating 4 and sliding shuttering 2 are connected and fixed, electrons heat is hung on the steel pipe suspension bracket 19 by 7, heating tape 21 is connected with power supply by wire.To sliding shuttering 2 interior concretings, roof insulating 4 is the concrete heat-insulating of newly building by existing casting craft, and electrons heat is last round of concrete heat-insulating of building by 7.As placed concrete build finish after, the top of roof insulating 4 will be installed cover plate 6 upper port of roof insulating 4 is sealed, to play better heat insulation effect.
Be the concrete heat loss that further prevents from newly building, the periphery of described sliding shuttering 2 is installed several heating tubes and several sensors 26.Electric heating tube is connected with sensor and is connected with data acquisition unit, radio transmitting device and heating control device respectively.Sensor 26 is uniformly distributed in sliding shuttering 2 peripheries; the variations in temperature of monitoring sliding shuttering 2 each position of periphery; and data communication device data acquisition unit and radio transmitting device passed to ground control computer; control the electric heater for heating of relevant position among the user by computer; to guarantee the temperature of sliding shuttering 2; thereby, prevent concrete heat loss.
For before concreting, the reinforcing bar of bridge pier is carried out preheating, as shown in Figure 1, several far infrared shot-lights 5 are installed on the inwall of described roof insulating 4.All far infrared shot-lights 5 are connected with data acquisition unit, radio transmitting device and heating control device respectively.The user can control by computer heating-up temperature and the heat time heating time of far infrared shot-light 5.Simultaneously, far infrared shot-light 5 temperature in the roof insulating 4 that can raise prevents the heat loss of roof insulating 4 inner concretes.
For making the insulation quilt cover closely wrap up bridge pier, reduce as far as possible concrete thermal loss, as shown in Figure 1, every described electrons heat had a lower stainless steel tube 10 by the outside of 7 bottoms.Every lower stainless steel tube 10 respectively hangs on the steel pipe suspension bracket 19 by at least two lower stainless steel tube lifting ropes 9, connects with elastic threads between wantonly two adjacent lower stainless steel tubes 10.Described elastic threads can be nylon rope.Degree of tightness by the adjustable elastic rope can make stay-warm case can closely wrap up all the time bridge pier.
For convenient steel pipe suspension bracket 19 and sliding shuttering 2 are connected and fixed.As shown in Figure 5 and Figure 6, connecting ring 15 is installed on the described steel pipe suspension bracket 19, steel pipe suspension bracket 19 is connected with sliding shuttering 2 by connecting ring 15.
For making electrons heat be connected and fixed more firm by 7 with steel pipe suspension bracket 19.As shown in Figure 6, every described electrons heat is walked around behind the steel pipe suspension bracket 19 by the first fixed head 16, the second fixed head 17 and is connected bolt 18 and electrons heat by 7 upper end and is connected by 7 main body, thus make electrons heat by 7 and steel pipe suspension bracket 19 be connected and fixed.
For adjacent two electrons heat are closely connected between 7, prevent that the concrete heat scatters and disappears between 7 from two electrons heat, as shown in Figure 3, wantonly two adjacent electrons heat grip by two junction plates 24 and the 3rd bolt 25 between 7.Two junction plates 24 are fixedly clamped two electrons heat by 7 side.As shown in Figure 4, wantonly two adjacent electrons heat also can be moved grip tube 14 and several the second bolt 23 is fixing by second bolt 23, second time stainless steel tube between 7.Because the thickness of bridge outer coffin is lower large little, therefore, as shown in Figure 2, two junctions of top utilize junction plate 24 and the 3rd bolt 25 to grip, and two junctions of below utilize the second bolt 23, second time stainless steel tube to move grip tube 14 and be connected bolt 23 connections.After the bridge pier less thick, as shown in Figure 2, can open the second bolt 23, first time stainless steel tube moved grip tube 13 and second time stainless steel tube move grip tube 14 and move inward, in order to stay-warm case is tightened up.When stay-warm case rose to the bridge pier topmost, first time stainless steel tube moved grip tube 13 and second time stainless steel tube and moves grip tube 14 and drive corresponding electrons heat and risen to dotted line position by 7, and at this moment, the stay-warm case area is minimum.
As shown in Figure 7, can be connected connection with nut by nut 27 between the first workbench 3 and the roof insulating 4.Offer locating hole 41 on the nut 27.Lock body 42 is installed on the first workbench 3.As shown in Figure 8, lock body 42 internal upper parts are offered the first gathering sill 35, and the second gathering sill 36 is offered in lock body 42 bottoms.Lock body 42 interior levels are offered baffle plate groove 34, and baffle plate groove 34 communicates with the first gathering sill 35 and the second gathering sill 36 respectively.The first gathering sill 35 interior installation pins 38, push rod 28 is installed in the bottom of pin 38.The diameter of push rod 28 is less than pin 38 diameters.Mounting limit ring 39 in the first gathering sill 35 lower port.Spacing ring 39 cooperates with push rod 28, for push rod 28 spacing.The lower end that push rod 28 peripheries are installed the first spring 29, the first springs 29 contacts with spacing ring 43, and the first spring 29 upper ends contact with pin 38.The second gathering sill 36 interior installation slide block 37, the second gathering sills 36 lower port place mounting limit rings 39, spacing ring 39 is that slide block 37 is spacing, anti-limited slip block 37 is by dropping in the second gathering sill 36.Baffle plate groove 34 interior installation the second spring 33 and baffle plates 31.One end of baffle plate 31 is installed the second spring 33, and the other end of baffle plate 31 is vertically offered through hole 30.After baffle plate 31 compressions the second spring 33 moved, through hole 30 can cooperate with the first gathering sill 35.Pin 38 contacts with baffle plate 31.The second gathering sill 36 interior installation triangular bumps 32, triangular bump 32 is connected with baffle plate 31.Slide block 37 is provided with jacking block 44, and jacking block 44 cooperates with triangular bump 32.Push rod 28 cooperates with locating hole 41.By coming off on the nut 27, lock body 42 is installed on the first workbench 3 for preventing nut 40.When needs lock nut 40, see through the first gathering sill 35 and press pin 38 downwards, make pin 38 drive push rod 28 and insert in the locating hole 41, pin 38 separates with through hole 30; This moment, baffle plate 31 was moved to the left under the drive of the second spring 33.Through hole 30 and the first gathering sill 35 stagger, and baffle plate 31 is with pin 38 and push rod 28 location, and push rod 28 can't be by extracting in the locating hole 41.When the need release, when nut 40 is pulled down by nut 27, upwards promote slide block 37, slide block 37 promotes triangular bump 32 by jacking block 44 and moves right, triangular bump 32 drives baffle plates 31 and moves right when aliging with the first gathering sill 35 to through hole 30, pin 38 inserts under the drive of the first spring 29 in the through hole 30, and at this moment, push rod 28 separates release with locating hole 41.
Technical solutions according to the invention are not restricted in the scope of embodiment of the present invention.The present invention not technology contents of detailed description is known technology.
Claims (9)
1. digital thermostatic control concrete ultralow temperature construction and maintenance system comprises sliding shuttering (2), data acquisition unit, radio transmitting device and heating control device, it is characterized in that: sliding shuttering (2) periphery is installed roof insulating (4); Steel pipe suspension bracket (19) is installed in the bottom of sliding shuttering (2), and steel pipe suspension bracket (19) is upper to hang four electrons heat by (7), and four electrons heat are surrounded the sealed thermal insulating cover of a tubbiness by (7); Every electrons heat is connected and composed by high-strength glass fibre layer (22), heating tape (21) and heat-preservation cotton layer (20) from inside to outside successively by (7); Every electrons heat all is equipped with several temperature pick ups (8) on (7), and all temperature pick ups (8) are connected 21 with heating tape) be connected with data acquisition unit, radio transmitting device and heating control device respectively.
2. digital thermostatic control concrete ultralow temperature construction and maintenance according to claim 1 system, it is characterized in that: the periphery of described sliding shuttering (2) is installed several heating tubes and several sensors (26), and electric heating tube is connected 26 with sensor) be connected with data acquisition unit, radio transmitting device and heating control device respectively.
3. digital thermostatic control concrete ultralow temperature construction and maintenance according to claim 1 system is characterized in that: several far infrared shot-lights (5) are installed on the inwall of described roof insulating (4).
4. digital thermostatic control concrete ultralow temperature construction and maintenance according to claim 1 system, it is characterized in that: every described electrons heat had a lower stainless steel tube (10) by the outside of (7) bottom, every lower stainless steel tube (10) respectively hangs on the steel pipe suspension bracket (19) by at least two lower stainless steel tube lifting ropes (9), connects with elastic threads between wantonly two adjacent lower stainless steel tubes (10).
5. digital thermostatic control concrete ultralow temperature construction and maintenance according to claim 1 system, it is characterized in that: the upper connecting ring (15) of installing of described steel pipe suspension bracket (19), steel pipe suspension bracket (19) is connected with sliding shuttering (2) by connecting ring (15).
6. digital thermostatic control concrete ultralow temperature construction and maintenance according to claim 1 system, it is characterized in that: be connected by the main body of (7) with electrons heat by the first fixed head (16), the second fixed head (17) and the bolt (18) of being connected after every described electrons heat is walked around steel pipe suspension bracket (19) by the upper end of (7), thereby electrons heat is connected and fixed by (7) and steel pipe suspension bracket (19).
7. digital thermostatic control concrete ultralow temperature construction and maintenance according to claim 1 system, it is characterized in that: wantonly two adjacent electrons heat are gripped by two junction plates (24) and the 3rd bolt (25) between (7).
8. digital thermostatic control concrete ultralow temperature construction and maintenance according to claim 1 system is characterized in that: wantonly two adjacent electrons heat are moved grip tube (14) by second bolt (23), second time stainless steel tube between (7) and several the second bolt (23) is fixed.
9. digital thermostatic control concrete ultralow temperature construction and maintenance according to claim 1 system, it is characterized in that: be connected 40 by nut (27) with nut between the first workbench (3) and the roof insulating (4)) connect, offer locating hole (41) on the nut (27); The upper lock body (42) of installing of the first workbench (3), lock body (42) internal upper part is offered the first gathering sill (35), and the second gathering sill (36) is offered in lock body (42) bottom; The interior level of lock body (42) is offered baffle plate groove (34), and baffle plate groove (34) communicates with the first gathering sill (35) and the second gathering sill (36) respectively; Pin (38) is installed in the first gathering sill (35), push rod (28) is installed in the bottom of pin (38), the diameter of push rod (28) is less than pin (38) diameter, mounting limit ring (39) in the first gathering sill (35) lower port, and spacing ring (39) cooperates with push rod (28); Push rod (28) periphery is installed the first spring (29), and the lower end of the first spring (29) contacts with spacing ring (43), and the first spring (29) upper end contacts with pin (38); Slide block (37), the second gathering sill (36) lower port place mounting limit ring (39) are installed in the second gathering sill (36); The second spring (33) and baffle plate (31) are installed in the baffle plate groove (34), and an end of baffle plate (31) is installed the second spring (33), and the other end of baffle plate (31) is vertically offered through hole (30); After baffle plate (31) compression the second spring (33) was mobile, through hole (30) can cooperate with the first gathering sill (35); Pin (38) contacts with baffle plate (31); Triangular bump (32) is installed in the second gathering sill (36), and triangular bump (32) is connected with baffle plate (31), and slide block (37) is provided with jacking block (44), and jacking block (44) cooperates with triangular bump (32); Push rod (28) cooperates with locating hole (41).
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| CN201310045184.9A CN103074852B (en) | 2013-02-05 | 2013-02-05 | Digital constant-temperature control concrete ultra-low-temperature construction maintenance system |
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| CN104805935A (en) * | 2015-04-08 | 2015-07-29 | 中国建筑第八工程局有限公司 | Temperature monitoring based crack control method for wall body |
| RU2616947C1 (en) * | 2015-10-12 | 2017-04-18 | Михаил Сергеевич Беллавин | Bridge support |
| CN106948275A (en) * | 2017-05-13 | 2017-07-14 | 林再颐 | A kind of cover body mounting structure of closed bridge |
| CN108385528A (en) * | 2016-09-18 | 2018-08-10 | 山东省交通科学研究院 | A kind of application method of low temperature season pier stud concrete heat-insulating health preserving equipment |
| CN110983974A (en) * | 2019-11-21 | 2020-04-10 | 中交第二航务工程局有限公司 | Comprehensive maintenance method for concrete box girder construction in winter |
| CN115094762A (en) * | 2022-06-28 | 2022-09-23 | 保利长大工程有限公司 | Concrete electric heating heat-preservation template device for bridge pier column and using method thereof |
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| CN115094762A (en) * | 2022-06-28 | 2022-09-23 | 保利长大工程有限公司 | Concrete electric heating heat-preservation template device for bridge pier column and using method thereof |
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| CN103074852B (en) | 2014-11-26 |
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