CN220490831U - Concrete shrinkage experimental device - Google Patents
Concrete shrinkage experimental device Download PDFInfo
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- CN220490831U CN220490831U CN202321564671.1U CN202321564671U CN220490831U CN 220490831 U CN220490831 U CN 220490831U CN 202321564671 U CN202321564671 U CN 202321564671U CN 220490831 U CN220490831 U CN 220490831U
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Abstract
The utility model relates to the technical field of concrete performance detection equipment, in particular to a concrete shrinkage experimental device which comprises a fixing frame, a driving column and a transverse clamping plate, wherein a transverse positioning hole is formed in one side of the fixing frame. The utility model has the advantages that: through mount, actuating post, horizontal splint, pull handle, first locating lever, even board, first spring, pull the cooperation between handle, vertical locating hole and the horizontal locating hole, can fix the position of actuating post and horizontal splint, conveniently fix and relax the operation, can also be light convenient more when a staff carries out concrete placement operation, through the cooperation between first photoelectric sensor, first photoelectric sensing piece, second photoelectric sensing piece, control center and the display screen, can show the distance that horizontal splint and vertical splint removed on the display screen, thereby can make things convenient for the staff to read the distance of analysis concrete shrink more.
Description
Technical Field
The utility model relates to the technical field of concrete performance detection equipment, in particular to a concrete shrinkage experimental device.
Background
The device for testing the expansion and shrinkage of the concrete test block by the concrete shrinkage test device is characterized in that the concrete is a material necessary for the industries such as construction at present, and the expansion and shrinkage phenomenon can be generated when the concrete is subjected to the change of natural environment, so that the quality change of the concrete is determined by the concrete shrinkage test device.
The utility model has disclosed a concrete shrink experimental device for the application number CN202122320909.3, including the locating box, fixedly connect with the slide column between the left and right sides of the inner chamber of the said locating box, the surface sliding connection of the said slide column has slide cylinders, the surface cover of the said slide column has pressure springs, the left end of the said pressure springs is fixedly connected with junction of the locating box, the junction of the said right end of the said pressure springs and slide cylinder is fixedly connected, the utility model can be convenient to measure the horizontal shrinkage value of the concrete sample through setting up locating box, slide column, slide cylinder, drive plate, movable plate and second graduated scale, through setting up riser, first graduated scale, diaphragm, drive column and clamp plate, can be convenient to measure the vertical shrinkage value of the concrete sample, through setting up the above structure, possess shrink experimental device while using, but the device still has some disadvantages in the course of using: the device needs to draw two splint simultaneously when putting into the test experimental apparatus with the concrete test block, if just makes the operation comparatively trouble not simple and convenient enough under the condition of only an operating personnel.
Disclosure of Invention
The object of the present utility model is to solve at least one of the technical drawbacks.
Therefore, an object of the present utility model is to provide a concrete shrinkage test apparatus, which solves the problems mentioned in the background art and overcomes the shortcomings in the prior art.
In order to achieve the above object, an embodiment of an aspect of the present utility model provides a concrete shrinkage experimental apparatus, including a fixing frame, a driving column and a transverse clamping plate, wherein one side of the fixing frame is provided with a transverse positioning hole, the surface of the driving column is provided with a vertical positioning hole, the top of the fixing frame is fixedly provided with a vertical fixing device, one side of the transverse clamping plate is fixedly connected with a pull handle, one side of the pull handle is slidably connected with a first positioning rod, the surface of the first positioning rod is fixedly connected with a connecting plate, and one side of the connecting plate and one side of the pull handle, which are close to each other, are fixedly provided with a first spring, the technical effects achieved by adopting the above scheme are that: through upwards pulling the actuating post before putting into the concrete, thereby make the second locating lever insert the inside of vertical locating hole under the resilience of second spring when vertical locating hole is located one side of second locating lever and fix the position of vertical splint, then make first locating lever insert the inside of horizontal locating hole and fix under the resilience of first spring when pulling horizontal splint and lie in one side of horizontal locating hole, then even make first locating lever and second locating lever break away from the hole inside at the pulling after putting into the concrete piece with the pulling piece respectively, then vertical splint contact the concrete under the effect of gravity and horizontal splint under the effect of spring, thereby measure the shrink distance of concrete, can also be relaxed more convenient when a staff carries out concrete placement operation.
By the preferred of above-mentioned arbitrary scheme, vertical fixing device includes fixed plate, second locating lever, draws piece and second spring, one side fixed mounting of mount has the fixed plate, the middle part sliding connection of fixed plate has the second locating lever, the one end fixed mounting of second locating lever has draws the piece, the one side fixed mounting that draws piece and fixed plate to be close to mutually has the second spring, the diameter of drawing the piece is bigger than the diameter of second locating lever, the diameter of second locating lever is the same with the diameter of vertical locating hole, adopts the technical effect that above-mentioned scheme reached to be: when the vertical locating hole is positioned at one side of the second locating rod, the second locating rod is inserted into the vertical locating hole under the rebound of the second spring, so that the position of the vertical clamping plate is fixed.
By the preferred one end of above-mentioned arbitrary scheme, first locating lever and second locating lever all are provided with the rotation groove, the inside rotation in rotation groove is connected with the ball, the one end fixed mounting of actuating post has vertical splint, adopts the technical effect that above-mentioned scheme reached to be: the friction of the contact surface of one end of the first positioning rod and one end of the second positioning rod can be reduced through the balls, so that the adjustment is lighter, more loose and faster.
By the preferred quantity of arbitrary scheme in above-mentioned, first locating lever is two, two first locating lever symmetric distribution is in one side of pull handle, the top fixedly connected with of first locating lever links the handle, the diameter of linking the board is bigger than the diameter of first locating lever, adopts the technical effect that above-mentioned scheme reached to be: the two first positioning rods can be pulled by a worker directly to carry out moving operation.
By the preferred of above-mentioned arbitrary scheme, one side fixed mounting of mount has first photoelectric sensor, the top fixed mounting of vertical splint has first photoelectric sensing piece, first photoelectric sensor and the coaxial heart of first photoelectric sensing piece distribute, adopt the technical effect that above-mentioned scheme reached to be: the change of the vertical height can be displayed through the cooperation between the first photoelectric sensor and the first photoelectric sensing piece, so that the change of the shrinkage of the concrete can be conveniently observed by workers.
By the preferred of above-mentioned arbitrary scheme, the diameter of horizontal locating hole is the same with the diameter of first locating lever, one side fixedly connected with backup pad of mount, one side fixed mounting of backup pad has the second photoelectric sensor, one side fixed mounting of horizontal splint has the second photoelectric sensing piece, adopts the technical effect that above-mentioned scheme reached to be: the transverse length change can be displayed through the cooperation between the second photoelectric sensor and the second photoelectric sensing piece, so that the change of concrete shrinkage can be conveniently observed by workers.
By the preferred one side fixed mounting of above-mentioned arbitrary scheme has control center, control center's top is provided with the display screen, the quantity of display screen is two, control center and first photoelectric sensor and second photoelectric sensor signal connection, the technical effect that adopts above-mentioned scheme to reach is: the numerical change of concrete shrinkage is conveniently observed by a worker through the control center and the display screen.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
1. this concrete shrinkage experimental apparatus, through mount, actuating post, horizontal splint, pull handle, first locating lever, even board, first spring, pull handle, cooperation between vertical locating hole and the horizontal locating hole, can fix the position of actuating post and horizontal splint, conveniently fix and relax the operation to can also be light convenient more when a staff carries out the concrete and places the operation.
2. This concrete shrinkage experimental apparatus, through the cooperation between first photoelectric sensor, first photoelectric sensing piece, second photoelectric sensing piece, control center and the display screen, can show the distance that horizontal splint and vertical splint removed on the display screen to thereby can make things convenient for the staff to carry out the reading more and analyze the distance of concrete shrinkage.
Drawings
FIG. 1 is a schematic diagram of a first embodiment of the present utility model;
FIG. 2 is a schematic view of the structure at A according to the first embodiment of the present utility model;
FIG. 3 is a schematic side view of a first embodiment of the present utility model;
FIG. 4 is a schematic diagram of a structure at B according to a first embodiment of the present utility model;
fig. 5 is a schematic diagram of a structure at C according to a first embodiment of the present utility model.
Wherein: the device comprises a 1-fixing frame, a 2-driving column, a 3-transverse clamping plate, a 4-pull handle, a 5-first positioning rod, a 6-connecting plate, a 7-first spring, an 8-connecting handle, a 9-rotating groove, 10-balls, 11-vertical positioning holes, a 12-vertical fixing device, 1201-fixing plates, 1202-second positioning rods, 1203-pull blocks, 1204-second springs, 13-first photoelectric sensors, 14-first photoelectric sensing pieces, 15-supporting plates, 16-second photoelectric sensors, 17-second photoelectric sensing pieces, 18-transverse positioning holes, 19-control centers, 20-display screens and 21-vertical clamping plates.
Description of the embodiments
The present utility model will be further described with reference to the accompanying drawings, but the scope of the present utility model is not limited to the following.
Embodiment one: as shown in fig. 1 to 5, a concrete shrinkage experimental device, including mount 1, drive post 2 and horizontal splint 3, one side of mount 1 is provided with horizontal locating hole 18, the surface of drive post 2 is provided with vertical locating hole 11, the top fixed mounting of mount 1 has vertical fixing device 12, one side fixedly connected with pull handle 4 of horizontal splint 3, one side sliding connection who pulls handle 4 has first locating lever 5, the fixed surface of first locating lever 5 is connected with link plate 6, link plate 6 and one side that pull handle 4 is close to all fixed mounting have first spring 7, through upwards pulling drive post 2 before putting into the concrete, thereby make the inside of vertical locating hole 11 insert under the resilience of second spring 1204 when vertical locating hole 11 is located one side of second locating lever 1202 and fix the position of vertical splint 21, then make first locating lever 5 insert the inside of horizontal locating hole 18 under the resilience of first spring 7 when pulling horizontal splint 3 is located one side of horizontal locating hole 18, then make first locating lever 5 insert the inside of horizontal locating hole 18 and fix the piece, then make the effect of concrete under the resilience of first spring 7 and pull piece and pull down the side of second locating hole 1202 and make the concrete more easily place under the action of first locating piece and pull piece 8, thereby the concrete can contract the side by weight of concrete under the side of the first locating piece and the concrete side position of the side of the first locating piece 1202.
As an alternative solution of the present utility model, the vertical fixing device 12 includes a fixing plate 1201, a second positioning rod 1202, a pull block 1203 and a second spring 1204, where the fixing plate 1201 is fixedly installed on one side of the fixing frame 1, the second positioning rod 1202 is slidingly connected to the middle of the fixing plate 1201, the pull block 1203 is fixedly installed on one end of the second positioning rod 1202, the second spring 1204 is fixedly installed on the side of the pull block 1203, which is close to the fixing plate 1201, the diameter of the pull block 1203 is larger than that of the second positioning rod 1202, the diameter of the second positioning rod 1202 is the same as that of the vertical positioning hole 11, and when the vertical positioning hole 11 is located on one side of the second positioning rod 1202, the second positioning rod 1202 is inserted into the vertical positioning hole 11 under the resilience of the second spring 1204 so as to fix the position of the vertical clamping plate 21.
As an alternative technical scheme of the utility model, one ends of the first positioning rod 5 and the second positioning rod 1202 are respectively provided with a rotating groove 9, the inside of the rotating groove 9 is rotationally connected with a ball 10, one end of the driving column 2 is fixedly provided with a vertical clamping plate 21, and friction of a contact surface of one end of the first positioning rod 5 and one end of the second positioning rod 1202 can be reduced through the ball 10, so that adjustment is lighter, looser and faster.
As an alternative technical scheme of the utility model, the number of the first positioning rods 5 is two, the two first positioning rods 5 are symmetrically distributed on one side of the pull handle 4, the connecting handle 8 is fixedly connected to the top end of the first positioning rods 5, the diameter of the connecting plate 6 is larger than that of the first positioning rods 5, and the two first positioning rods 5 can be conveniently pulled by a worker directly through the connecting handle 8 to carry out moving operation.
As an alternative technical scheme of the utility model, a first photoelectric sensor 13 is fixedly arranged on one side of the fixing frame 1, a first photoelectric sensing piece 14 is fixedly arranged at the top of the vertical clamping plate 21, the first photoelectric sensor 13 and the first photoelectric sensing piece 14 are distributed coaxially, and the change of the vertical height can be displayed through the cooperation between the first photoelectric sensor 13 and the first photoelectric sensing piece 14, so that the change of the shrinkage of the concrete can be conveniently observed by staff.
As an alternative technical scheme of the utility model, the diameter of the transverse positioning hole 18 is the same as that of the first positioning rod 5, one side of the fixing frame 1 is fixedly connected with the supporting plate 15, one side of the supporting plate 15 is fixedly provided with the second photoelectric sensor 16, one side of the transverse clamping plate 3 is fixedly provided with the second photoelectric sensing piece 17, and the transverse length change can be displayed through the cooperation between the second photoelectric sensor 16 and the second photoelectric sensing piece 17, so that the change of concrete shrinkage can be conveniently observed by staff.
As an alternative technical scheme of the utility model, one side of the fixing frame 1 is fixedly provided with a control center 19, the top of the control center 19 is provided with two display screens 20, the control center 19 is in signal connection with the first photoelectric sensor 13 and the second photoelectric sensor 16, and workers can observe numerical changes of concrete shrinkage conveniently through the control center 19 and the display screens 20.
A concrete shrinkage experimental device has the following working principle: by pulling the driving column 2 upwards before placing the concrete, when the vertical positioning hole 11 is positioned at one side of the second positioning rod 1202, the second positioning rod 1202 is inserted into the vertical positioning hole 11 under the rebound of the second spring 1204, so that the position of the vertical clamping plate 21 is fixed, then when the transverse clamping plate 3 is pulled to be positioned at one side of the transverse positioning hole 18, the first positioning rod 5 is inserted into the transverse positioning hole 18 to be fixed under the rebound of the first spring 7, then after placing the concrete block, the connecting rod 8 and the pulling block 1203 are pulled to separate the first positioning rod 5 and the second positioning rod 1202 from the hole, then the vertical clamping plate 21 is contacted with the concrete under the action of the spring under the action of gravity, so that the shrinkage distance of the concrete is measured, and the concrete placing operation can be easier and more convenient by a worker.
To sum up, this concrete shrinkage experimental apparatus, through mount 1, actuating post 2, horizontal splint 3, draw 4, first locating lever 5, link plate 6, first spring 7, draw 7, cooperation between vertical locating hole 11 and the horizontal locating hole 18, can fix the position of actuating post 2 and horizontal splint 3, conveniently fix and relax the operation, thereby can also be light more convenient when a staff carries out concrete and places the operation, through the cooperation between first photoelectric sensor 13, first photoelectric sensing piece 14, second photoelectric sensor 16, second photoelectric sensing piece 17, control center 19 and display screen 20, can show the distance that horizontal splint 3 and vertical splint 21 removed on display screen 20, thereby can make things convenient for the staff to read and thereby analyze the distance of concrete shrinkage more.
In the second embodiment, the protection pad is fixedly installed on one side of the horizontal clamping plate 3 and one side of the vertical clamping plate 21 on the basis of the above embodiment, and damage to the surface of the concrete can be prevented by the protection pad when the concrete is clamped.
Claims (7)
1. The utility model provides a concrete shrinkage experimental apparatus, includes mount (1), actuating post (2) and horizontal splint (3), its characterized in that: one side of mount (1) is provided with horizontal locating hole (18), the surface of drive post (2) is provided with vertical locating hole (11), the top fixed mounting of mount (1) has vertical fixing device (12), one side fixedly connected with of horizontal splint (3) draws handle (4), one side sliding connection who draws handle (4) has first locating lever (5), the fixed surface of first locating lever (5) is connected with even board (6), even board (6) and draw the equal fixed mounting of one side that is close to (4) have first spring (7).
2. A concrete shrinkage test apparatus according to claim 1, wherein: the vertical fixing device (12) comprises a fixing plate (1201), a second positioning rod (1202), a pulling block (1203) and a second spring (1204), wherein the fixing plate (1201) is fixedly arranged on one side of the fixing frame (1), the second positioning rod (1202) is slidably connected to the middle of the fixing plate (1201), the pulling block (1203) is fixedly arranged at one end of the second positioning rod (1202), the second spring (1204) is fixedly arranged on one side, close to the fixing plate (1201), of the pulling block (1203), the diameter of the pulling block (1203) is larger than that of the second positioning rod (1202), and the diameter of the second positioning rod (1202) is identical to that of the vertical positioning hole (11).
3. A concrete shrinkage test apparatus according to claim 2, wherein: one end of the first positioning rod (5) and one end of the second positioning rod (1202) are respectively provided with a rotating groove (9), balls (10) are rotatably connected in the rotating grooves (9), and one end of the driving column (2) is fixedly provided with a vertical clamping plate (21).
4. A concrete shrinkage test apparatus according to claim 3, wherein: the number of the first positioning rods (5) is two, the two first positioning rods (5) are symmetrically distributed on one side of the pull handle (4), the top end of each first positioning rod (5) is fixedly connected with a connecting handle (8), and the diameter of each connecting plate (6) is larger than that of each first positioning rod (5).
5. The concrete shrinkage test apparatus according to claim 4, wherein: one side of the fixing frame (1) is fixedly provided with a first photoelectric sensor (13), the top of the vertical clamping plate (21) is fixedly provided with a first photoelectric sensing piece (14), and the first photoelectric sensor (13) and the first photoelectric sensing piece (14) are distributed coaxially.
6. The concrete shrinkage test apparatus according to claim 5, wherein: the diameter of the transverse locating hole (18) is the same as that of the first locating rod (5), one side of the fixing frame (1) is fixedly connected with a supporting plate (15), one side of the supporting plate (15) is fixedly provided with a second photoelectric sensor (16), and one side of the transverse clamping plate (3) is fixedly provided with a second photoelectric sensing sheet (17).
7. The concrete shrinkage test apparatus according to claim 6, wherein: one side fixed mounting of mount (1) has control center (19), the top of control center (19) is provided with display screen (20), the quantity of display screen (20) is two, control center (19) and first photoelectric sensor (13) and second photoelectric sensor (16) signal connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321564671.1U CN220490831U (en) | 2023-06-19 | 2023-06-19 | Concrete shrinkage experimental device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321564671.1U CN220490831U (en) | 2023-06-19 | 2023-06-19 | Concrete shrinkage experimental device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220490831U true CN220490831U (en) | 2024-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321564671.1U Active CN220490831U (en) | 2023-06-19 | 2023-06-19 | Concrete shrinkage experimental device |
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| Country | Link |
|---|---|
| CN (1) | CN220490831U (en) |
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- 2023-06-19 CN CN202321564671.1U patent/CN220490831U/en active Active
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