CN117021318B - Concrete constant temperature and humidity's curing box - Google Patents
Concrete constant temperature and humidity's curing box Download PDFInfo
- Publication number
- CN117021318B CN117021318B CN202311026034.3A CN202311026034A CN117021318B CN 117021318 B CN117021318 B CN 117021318B CN 202311026034 A CN202311026034 A CN 202311026034A CN 117021318 B CN117021318 B CN 117021318B
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- Prior art keywords
- box
- chains
- track
- concrete
- box body
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- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000005192 partition Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000033001 locomotion Effects 0.000 description 8
- 239000010410 layer Substances 0.000 description 4
- 239000002893 slag Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
Abstract
The invention discloses a concrete constant temperature and humidity curing box, which relates to the field of concrete curing boxes and comprises a box body, wherein four vertical tracks are arranged in the box body, a plurality of moving boxes are arranged on the tracks in a sliding mode, a supporting plate is connected between the four moving boxes on the same plane in a rotating mode, chains penetrate through the moving boxes in the vertical direction, racks are arranged at positions, corresponding to the chains, of the tracks, electric control inserting blocks are arranged in the moving boxes, two ends of each inserting block can be matched with the racks and the chains respectively and used for limiting the supporting plate, and a driving structure used for driving the chains to move is arranged in the box body. According to the invention, the plurality of supporting plates capable of independently controlling up-and-down sliding are arranged in the box body, so that the supporting plates can be conveniently moved to a proper position for storing and taking the concrete blocks when the concrete blocks are stored and taken, and the operation of experimenters is facilitated.
Description
Technical Field
The invention relates to the field of concrete curing boxes, in particular to a concrete constant temperature and humidity curing box.
Background
A concrete standard curing box is a device for storing and protecting concrete test blocks that can provide a safe, stable environment to facilitate curing of concrete.
Most of the existing brackets used for bearing concrete blocks in the concrete curing box are of fixed structures, the concrete blocks manufactured by using the mould are placed on different interlayer of the brackets in the cabinet, and curing work of concrete is performed after the cabinet door is closed.
But current concrete curing case is in-service use, is fixed knot structure by the backup pad of each layer of support, and the weight of single concrete piece is heavier, and the difficult transport incasement high-rise of experimenter or the concrete piece of low-rise, especially the concrete piece of high-rise and low-rise depths in the box influences the experimenter to the access concrete piece in the box, and in sum, current concrete constant temperature and humidity's curing case has the difficult problem of accessing the concrete piece of high-rise and low-rise department in the box.
Disclosure of Invention
Based on the above, the invention aims to provide a concrete constant temperature and humidity curing box so as to solve the technical problem that the existing concrete constant temperature and humidity curing box is difficult to store and fetch concrete blocks at high-rise and low-rise positions in the box.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a concrete constant temperature and humidity's curing box, includes the box, the inside of box is provided with four vertical tracks, all slide on the track and be provided with a plurality of removal boxes, rotate between four removal boxes on the coplanar and be connected with the backup pad, it all passes in the vertical direction to remove the box has the chain, the track is provided with the rack in the position department that corresponds the chain, be provided with automatically controlled inserted block in the removal box, the both ends of inserted block can cooperate with rack and chain respectively for restrict the backup pad, be provided with the drive structure that is used for driving chain motion in the box.
Through adopting above-mentioned technical scheme, set up a plurality of gliding backup pads from top to bottom in the box, utilize chain structure drive these backup pads to reciprocate, set up at the four corners of backup pad and remove the box, through the control remove the state of inserting the piece in the box and then realize the control to backup pad connected state, and then can realize the individual control to each backup pad, can be convenient when getting the concrete piece with the backup pad remove the access of carrying out the concrete piece behind the suitable position, the operation of convenient experimenter.
The invention is further characterized in that two vertical racks are arranged on the track, two vertical chains are also penetrated through the movable boxes, and a plurality of movable boxes connected on the track are parallel to each other.
Through adopting above-mentioned technical scheme, pass two chains on every removal box, remove two inserts in the box and slide at different times for it is more steady when removing the box and switching to connect the subtend.
The invention further provides that the moving box is provided with a guide block facing the track, and a slideway for the guide block to slide is arranged in the track.
Through adopting above-mentioned technical scheme, the guide block can make to remove the steady upper and lower slip of box.
The invention is further arranged in such a way that a vertical conductive track is arranged in the track, the guide block is provided with a conductive head towards the conductive track, and the conductive track is used for supplying power to the moving box.
By adopting the technical scheme, the conductive head on the movable box is contacted with the conductive track, so that power is supplied to the electric device in the movable box.
The invention is further characterized in that a partition plate is arranged at the top end in the box body, a first motor and a second motor are arranged on the partition plate, the first motor is used for driving four chains at the rear end of the box body, and the second motor is used for driving four chains at the front end of the box body.
Through adopting above-mentioned technical scheme, insert in the chain after the one end of inserted block, through first motor and second motor drive backup pad removal.
The invention is further characterized in that a transmission rod is arranged between the front end of one side of the box body and the chain rotating shaft at the rear end, and an electromagnetic clutch is arranged in the middle of the transmission rod.
Through adopting above-mentioned technical scheme, when electromagnetic clutch is in under the intercommunication state, only need one motor work in first motor and the second motor, can make all chains move simultaneously, and then make backup pad synchronous motion.
The invention is further characterized in that one surface, far away from the tracks, of all the movable boxes on the two tracks at the front end in the box body is provided with a slide block track, the slide block track is connected with a slide block in a sliding manner, and the slide block is rotationally connected to the side wall of the supporting plate.
By adopting the technical scheme, the supporting plate can incline upwards or downwards.
The invention is further arranged that the movable box is connected with the insert block in a sliding way, two sides of the insert block are provided with side plates, the side plates of the insert block are connected with a reset spring, and the other end of the reset spring is provided with an electromagnet which is used for attracting the side plates of the insert block.
Through adopting above-mentioned technical scheme, utilize the position of electro-magnet control inserted block, and then make the removal box connect on the track or on the chain.
The invention is further arranged that one end of the insert block is inserted into the rack when the electromagnet is powered off, and the other end of the insert block is inserted into the chain when the electromagnet is powered on.
Through adopting above-mentioned technical scheme, when the electro-magnet is circular telegram, reset spring receives the compression, and the inserted block removes towards the chain to insert in the chain with one end, after all inserting the one end of all inserted blocks in the removal box in the same backup pad in the corresponding chain, alright through the motion of chain control backup pad, and when the electro-magnet outage, reset spring release elasticity makes the inserted block reset, in the other end of inserted block inserts the rack, and the motion of this moment chain just can't control backup pad, and the backup pad just stays on this plane this moment.
In summary, the invention has the following advantages:
1. according to the invention, the plurality of support plates sliding up and down are arranged in the box body, the support plates are driven to move up and down by utilizing the chain structure, the moving boxes are arranged at four corners of the support plates, the connection state of the support plates is controlled by controlling the state of the insert blocks in the moving boxes, and further, the individual control of each support plate can be realized, and the support plates can be conveniently moved to a proper position for carrying out the storage and the taking of the concrete blocks when the concrete blocks are stored, so that the operation of experimenters is facilitated;
2. according to the invention, by arranging the two groups of chain structures at the front end of the independent motor control, the inclination angles of the supporting plates can be independently controlled under the condition that the concrete blocks are heavy, so that the concrete blocks on the supporting plates can be more conveniently accessed, and the operation of experimenters is further facilitated.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is an internal perspective view of the present invention;
FIG. 3 is an inner perspective view showing a moving state of a support plate according to the present invention;
FIG. 4 is a perspective view showing a state in which the moving case of the present invention is disposed on a rail;
FIG. 5 is a top view showing a state in which the moving case of the present invention is disposed on a rail;
fig. 6 is a front view showing a state in which the moving cassette of the present invention is disposed on a rail.
In the figure: 1. a case; 2. a track; 3. a support plate; 4. slag blocking plates; 5. a partition plate; 6. a first motor; 7. a second motor; 8. a transmission belt; 9. a transmission rod; 10. an electromagnetic clutch; 11. a moving case; 12. punching a chain; 13. a slider rail; 14. a slide block; 15. a chain; 16. inserting blocks; 17. an electromagnet; 18. a return spring; 19. a rack; 20. a guide block; 21. conductive tracks.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
Hereinafter, an embodiment of the present invention will be described in accordance with its entire structure.
The utility model provides a concrete constant temperature and humidity's curing case, as shown in fig. 1-6, including box 1, concrete, the box is the constant temperature and humidity concrete curing case of ordinary use among the prior art, constant temperature and humidity structure and subassembly in the case all adopt in prior art, the bottom of box 1 still is provided with the slag blocking board 4, be used for stopping and collecting the concrete slag that drops on backup pad 3, the inside of box 1 is provided with four vertical track 2, all be provided with a plurality of removal boxes 11 on the track 2, rotate between four removal boxes 11 on the coplanar and be connected with backup pad 3, all pass in the vertical direction in the removal box 11 and have chain 15, specifically, chain 15 passes from moving in the chain perforation 12 that sets up on the box 11, track 2 is provided with rack 19 in the position department that corresponds chain 15, be provided with automatically controlled inserted block 16 in the removal box 11, concrete, the removal of inserted block 16 receives the operating condition influence of electro-magnet 17, both ends of inserted block 16 can cooperate with 19 and 15 respectively, be used for restricting backup pad 3, all slide and be provided with a plurality of removal boxes 11, the top 19 is for the chain 15, the drive is more stable, the end is for the chain 15, the end is more stable, the chain is connected with the chain 15, the end is more stable, the chain is for the chain is inserted into the chain 15, the end is more stable, the chain is more stable, and is connected with the chain 15.
Referring to fig. 5 and 6, two vertical racks 19 are disposed on the track 2, two vertical chains 15 are also passed through the moving box 11, a plurality of moving boxes 11 connected on the track 2 are parallel to each other, two inserting blocks 16 in the moving box 11 do not slide simultaneously through the two chains 15, specifically, an electromagnet 17 corresponding to the two inserting blocks 16 in the moving box 11 is not electrified simultaneously, after one inserting block 16 slides, the other inserting block 16 slides, so that the moving box 11 is more stable when switching connection opposite directions, the sudden falling of the supporting plate 3 is avoided, the inserting blocks 16 are slidingly connected in the moving box 11, two sides of the inserting blocks 16 are provided with side plates, the side plates of the inserting blocks 16 are connected with reset springs 18, the other end of the reset springs 18 are provided with electromagnets 17, the electromagnets 17 are used for attracting the side plates of the inserting blocks 16, the position of the insert block 16 is controlled by the electromagnet 17, so that the movable box 11 is connected to the track 2 or the chain 15, one end of the insert block 16 is inserted into the rack 19 when the electromagnet 17 is powered off, the other end of the insert block 16 is inserted into the chain 15 when the electromagnet 17 is powered on, the return spring 18 is compressed when the electromagnet 17 is powered on, the insert block 16 moves towards the chain 15, one end of the insert block 16 is inserted into the chain 15, after one end of all insert blocks 16 in the movable box 11 on the same support plate 3 are inserted into the corresponding chain 15, the movement of the support plate 3 can be controlled through the movement of the chain 15, and when the electromagnet 17 is powered off, the return spring 18 releases the elastic force to reset the insert block 16, the other end of the insert block 16 is inserted into the rack 19, and at the moment, the movement of the chain 15 cannot control the movement of the support plate 3, and at the moment the support plate 3 stays on the plane.
Referring to fig. 5, a guide block 20 is disposed in the moving box 11 towards the track 2, a slide way for sliding the guide block 20 is disposed in the track 2, the guide block 20 can enable the moving box 11 to slide up and down smoothly, a vertical conductive track 21 is disposed in the track 2, the guide block 20 is disposed towards the conductive track 21, the conductive track 21 is used for supplying power to the moving box 11, and particularly, a wireless control circuit on-off switch is disposed in the moving box 11, and these switches are all controlled by keys on a control panel on the box 1, and the manner of using the keys to wirelessly control the on-off of the electromagnet 17 is the mature prior art, and the conductive head on the moving box 11 is used for contacting with the conductive track 21, so as to supply power to the electric appliance in the moving box 11.
Referring to fig. 2 and 4, a partition 5 is disposed at the top end in the case 1, a first motor 6 and a second motor 7 are disposed on the partition 5, specifically, an output end rotating shaft of the first motor 6 directly drives two chains 15 at one side of the rear end of the case 1, an output end of the first motor 6 drives a rotating shaft at the other side of the rear end of the case 1 to rotate by using a transmission belt 8, the rotating shaft is used for driving the two chains 15 at the other side of the rear end of the case 1, the second motor 7 is similarly disposed on the first motor 6 and is used for driving four chains 15 at the rear end of the case 1, the second motor 7 is used for driving four chains 15 at the front end of the case 1, after one end of an insert block 16 is inserted into the chains 15, the support plate 3 is driven to move by the first motor 6 and the second motor 7, a transmission rod 9 is disposed between the front end at one side of the case 1 and the chain rotating shaft at the rear end, an electromagnetic clutch 10 is disposed in the middle of the transmission rod 9, when the electromagnetic clutch 10 is in a communicating state, all chains 15 can move simultaneously only by operating one motor of the first motor 6 and the second motor 7, so that the supporting plate 3 moves synchronously, one surface, far away from the rails 2, of all the movable boxes 11 on the two rails 2 at the front end in the box body 1 is provided with a slide block rail 13, the slide block rail 13 is connected with a slide block 14 in a sliding manner, the slide block 14 is rotationally connected to the side wall of the supporting plate 3, so that the supporting plate 3 can incline upwards or downwards, in particular, when the supporting plate 3 moves stably upwards and downwards, only the electromagnetic clutch 10 is in an engaged state, and the first motor 6 works, when the inclination angle of the required supporting plate 3 needs to be adjusted, the electromagnetic clutch 10 needs to be cut off, the second motor 7 works independently, so that the inclination angle of the supporting plate 3 is adjusted, when the supporting plate 3 inclines, the sliding blocks 14 rotatably connected with the front ends of the supporting plates 3 slide in the sliding block tracks 13 of the two movable boxes 11 at the front ends of the box body 1, so that the supporting plates 3 can be normally inclined, and an experimenter can easily access concrete blocks.
The working principle of the invention is as follows: when the supporting plate 3 needs to be independently controlled, the electromagnet 17 in the movable box 11 connected with the corresponding supporting plate 3 is controlled by the control key on the box body 1 to be electrified, so that the insert block 16 in the movable box 11 is slidably inserted into the chain 15, then the first motor 6 and the second motor 7 are controlled to work, further the supporting plate 3 is controlled to move up and down, when the concrete block is placed, the supporting plate 3 at the upper layer in the box body 1 can be firstly lowered to a proper height, the concrete block is placed and then the height is restored, the supporting plate 3 at the bottom layer can also be raised, the experimenter can conveniently access the concrete block, the position of the middle layer, which is convenient for accessing the concrete block, is finally stored in the concrete block, or the concrete block is firstly taken out, and the moving space of the supporting plate 3 is provided for the subsequent concrete block accessing process.
Although embodiments of the invention have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the invention as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the invention, provided that such modifications are within the scope of the appended claims.
Claims (6)
1. The utility model provides a concrete constant temperature and humidity's curing box, includes box (1), its characterized in that: four vertical rails (2) are arranged in the box body (1), a plurality of moving boxes (11) are slidably arranged on the rails (2), a supporting plate (3) is rotatably connected between the four moving boxes (11) on the same plane, chains (15) are respectively arranged on one face, far away from the rails (2), of each moving box (11), racks (19) are arranged at positions corresponding to the chains (15) in the rails (2), electrically controlled inserting blocks (16) are arranged in the moving boxes (11), two ends of each inserting block (16) can be matched with the racks (19) and the chains (15) respectively and are used for limiting the supporting plate (3), a driving structure for driving the chains (15) to move is arranged in the box body (1), sliding blocks (14) are slidably connected onto the sliding blocks (13), the sliding blocks (14) are rotatably connected onto the supporting plate (3), the side plates (16) are connected with the side plates (16) in a sliding mode, the side plates (16) are connected with the side plates (18), the other end of the reset spring (18) is provided with an electromagnet (17), the electromagnet (17) is used for attracting a side plate of the insert block (16), one end of the insert block (16) is inserted into the rack (19) when the electromagnet (17) is powered off, and the other end of the insert block (16) is inserted into the chain (15) when the electromagnet (17) is powered on.
2. The concrete constant temperature and humidity curing box of claim 1, wherein: two vertical racks (19) are arranged on the track (2), two vertical chains (15) are arranged on the movable boxes (11) in a penetrating mode, and a plurality of movable boxes (11) connected to the track (2) are parallel to each other.
3. The concrete constant temperature and humidity curing box of claim 1, wherein: the movable box (11) is provided with a guide block (20) towards the track (2), and a slideway for the guide block (20) to slide is arranged in the track (2).
4. A concrete constant temperature and humidity curing box according to claim 3 wherein: a vertical conductive track (21) is arranged in the track (2), a conductive head is arranged on the guide block (20) towards the conductive track (21), and the conductive track (21) is used for supplying power to the movable box (11).
5. The concrete constant temperature and humidity curing box of claim 1, wherein: the novel electric box is characterized in that a partition plate (5) is arranged at the top end in the box body (1), a first motor (6) and a second motor (7) are arranged on the partition plate (5), the first motor (6) is used for driving four chains (15) at the rear end of the box body (1), and the second motor (7) is used for driving four chains (15) at the front end of the box body (1).
6. The concrete constant temperature and humidity curing box of claim 5, wherein: a transmission rod (9) is arranged between the front end of one side of the box body (1) and the chain rotating shaft at the rear end, and an electromagnetic clutch (10) is arranged in the middle of the transmission rod (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311026034.3A CN117021318B (en) | 2023-08-15 | 2023-08-15 | Concrete constant temperature and humidity's curing box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311026034.3A CN117021318B (en) | 2023-08-15 | 2023-08-15 | Concrete constant temperature and humidity's curing box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117021318A CN117021318A (en) | 2023-11-10 |
| CN117021318B true CN117021318B (en) | 2024-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311026034.3A Active CN117021318B (en) | 2023-08-15 | 2023-08-15 | Concrete constant temperature and humidity's curing box |
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| Country | Link |
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| CN (1) | CN117021318B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110371573A (en) * | 2019-06-14 | 2019-10-25 | 湖南三一快而居住宅工业有限公司 | Die station flow system and method |
| CN212578858U (en) * | 2020-05-22 | 2021-02-23 | 唐山益众新型建材有限公司 | Concrete block steam curing means convenient to open door |
| CN113183297A (en) * | 2021-05-12 | 2021-07-30 | 湖南三一快而居住宅工业有限公司 | Curing means and have its precast concrete component production line |
| CN215903711U (en) * | 2021-09-10 | 2022-02-25 | 深圳市龙岗大工业区混凝土有限公司 | Radiation-proof high-density aggregate recycled concrete curing box |
| CN217992934U (en) * | 2022-08-01 | 2022-12-09 | 湖北星凯环保材料有限公司 | Constant temperature and humidity curing box for concrete detection |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015108257B4 (en) * | 2015-05-26 | 2022-08-04 | Metten Stein + Design Gmbh & Co. Kg | Device for processing concrete blocks |
-
2023
- 2023-08-15 CN CN202311026034.3A patent/CN117021318B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110371573A (en) * | 2019-06-14 | 2019-10-25 | 湖南三一快而居住宅工业有限公司 | Die station flow system and method |
| CN212578858U (en) * | 2020-05-22 | 2021-02-23 | 唐山益众新型建材有限公司 | Concrete block steam curing means convenient to open door |
| CN113183297A (en) * | 2021-05-12 | 2021-07-30 | 湖南三一快而居住宅工业有限公司 | Curing means and have its precast concrete component production line |
| CN215903711U (en) * | 2021-09-10 | 2022-02-25 | 深圳市龙岗大工业区混凝土有限公司 | Radiation-proof high-density aggregate recycled concrete curing box |
| CN217992934U (en) * | 2022-08-01 | 2022-12-09 | 湖北星凯环保材料有限公司 | Constant temperature and humidity curing box for concrete detection |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117021318A (en) | 2023-11-10 |
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