CN217058667U - Concrete expansion and contraction instrument - Google Patents
Concrete expansion and contraction instrument Download PDFInfo
- Publication number
- CN217058667U CN217058667U CN202220161893.8U CN202220161893U CN217058667U CN 217058667 U CN217058667 U CN 217058667U CN 202220161893 U CN202220161893 U CN 202220161893U CN 217058667 U CN217058667 U CN 217058667U
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- fixedly connected
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- concrete expansion
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- concrete
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- 230000008602 contraction Effects 0.000 title claims abstract description 36
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims abstract description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000012360 testing method Methods 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 6
- 230000009471 action Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The utility model discloses a concrete expansion and contraction appearance, the on-line screen storage device comprises a base, the equal vertical riser that is provided with in both sides of base top rear side, the top and the equal horizontal fixedly connected with diaphragm in bottom of two relative one sides of riser, the center department on the positive surface of riser and the equal fixedly connected with fixed plate in center department on the positive surface of diaphragm, two one side fixedly connected with springs that the fixed plate is relative. The utility model discloses a set up logical groove, the lead screw, the threading board, the spout, the riser, the diaphragm, the fixed plate, a spring, the fly leaf, the telescopic link, the arc, mounting groove and magnetite cooperation are used, it does not have the function of predetermining the mid point to the concrete sample to solved current concrete expansion contraction appearance, thereby carry out the in-process of testing at the concrete expansion contraction appearance to the concrete sample, can cause certain error to measuring precision, can't satisfy user's demand, the problem of concrete expansion contraction appearance practicality has been reduced.
Description
Technical Field
The utility model relates to a concrete contraction appearance technical field specifically is a concrete expansion contraction appearance.
Background
A concrete contraction and expansion instrument is an instrument for measuring a change in length (volume) of a concrete sample under a predetermined temperature and humidity condition.
When measuring concrete sample, can use the concrete expansion contraction appearance often, because of the concrete sample when the shrink inflation, side middle part variation is the biggest, so measure comparatively accurately to concrete sample middle part, current concrete expansion contraction appearance does not have the function of carrying out the predetermined mid point to the concrete sample, thereby at the in-process that the concrete expansion contraction appearance carries out the test to the concrete sample, can cause certain error to measuring precision, can't satisfy user's demand, the practicality of concrete expansion contraction appearance has been reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a concrete expansion contraction appearance possesses the advantage of establishing the mid point in advance, has solved current concrete expansion contraction appearance and has not had the function of establishing the mid point in advance to the concrete sample to at the in-process that concrete expansion contraction appearance carried out the test to the concrete sample, can cause certain error to measuring precision, can't satisfy user's demand, reduced the problem of concrete expansion contraction appearance practicality.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a concrete expansion and contraction appearance, includes the base, the equal vertical riser that is provided with in both sides of base top rear side, the top and the equal horizontal fixedly connected with diaphragm in bottom of the relative one side of two risers, the center department of the positive surface of riser and the equal fixedly connected with fixed plate of the center department of the positive surface of diaphragm, the relative one side fixedly connected with spring of two fixed plates, one side fixedly connected with fly leaf of fixed plate is kept away from to the spring, and the internal surface that two relative one sides of fixed plate just are located the spring runs through and is provided with the slide bar, and the relative one side fixed connection opposite with two fly leaves of two slide bars, the back of the body fixedly connected with telescopic link of fly leaf, the relative one side fixedly connected with arc of two telescopic links, the mounting groove has been seted up on the surface of arc, the inner chamber fixedly connected with magnetite of mounting groove.
Preferably, the adjustable stand of left side fixedly connected with at base top, logical groove has been seted up at the top of adjustable stand, the bottom that leads to the groove inner chamber is through the vertical lead screw that is provided with of bearing, the center department thread bush on lead screw surface is equipped with the threading board, the both sides of adjustable stand and the inner chamber that is located logical groove have all seted up the spout, the rear side on threading board surface is run through and is installed the percentage table, the equal vertical support that is provided with in both sides at base top, the top of the relative one side of two supports transversely runs through and is provided with the standard pole, the right side fixedly connected with location stand at base top, the constant head tank has been seted up in the left center department of location stand.
Preferably, the surface of the telescopic rod is fixedly connected with a reinforcing rib, and one side, away from the telescopic rod, of the reinforcing rib is fixedly connected with the surface of the arc-shaped plate.
Preferably, one side of the sliding rod, which is far away from the movable plate, is fixedly connected with a limiting plate, and the surface of the sliding rod is connected with the joint of the fixed plate in a sliding manner.
Preferably, the bottom fixedly connected with mounting panel of riser, the both sides at mounting panel top all run through and are provided with set screw, set screw's bottom run through mounting panel and base in proper order and with the junction threaded connection of mounting panel and base.
Preferably, the both sides that telescopic link one end was kept away from to the fly leaf are the fixedly connected with gag lever post, and one side that the fly leaf was kept away from to the gag lever post runs through to one side and the fixedly connected with baffle that two fixed plates are opposite.
Preferably, the top of the screw rod penetrates through the top of the adjustable upright column and is fixedly connected with a rotating handle, and the right side of the standard rod extends to the inner cavity of the positioning groove and is in sliding connection with the connecting part of the positioning groove.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a set up logical groove, the lead screw, the threading board, the spout, the riser, the diaphragm, the fixed plate, a spring, the fly leaf, the telescopic link, the arc, mounting groove and magnetite cooperation are used, solved current concrete expansion contraction appearance and have not had the function of establishing the mid point in advance to the concrete sample to at the in-process that concrete expansion contraction appearance carries out the test to the concrete sample, can cause certain error to measuring precision, can't satisfy user's demand, reduced the problem of concrete expansion contraction appearance practicality.
2. The utility model discloses a set up the strengthening rib, can increase the intensity of telescopic link and arc faying face, use through setting up mounting panel and set screw cooperation, can be convenient for the riser is stable to be fixed on the base, uses through setting up gag lever post and baffle cooperation, can play spacing effect to the spring, prevents that the spring from removing at will, changes the handle through the setting, can convenient to use person rotate the lead screw.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic top view of the base structure of the present invention;
FIG. 3 is a schematic front view of the vertical plate structure of the present invention;
fig. 4 is a schematic top view of the arc-shaped plate structure of the present invention.
In the figure: the device comprises a base 1, an adjustable upright post 2, a through groove 3, a lead screw 4, a thread plate 5, a sliding groove 6, a dial indicator 7, a support 8, a standard rod 9, a positioning upright post 10, a vertical plate 11, a transverse plate 12, a fixing plate 13, a spring 14, a movable plate 15, a sliding rod 16, a telescopic rod 17, an arc plate 18, a mounting groove 19, a magnet 20 and a positioning groove 21.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
The utility model provides a base 1, adjustable stand 2, lead to groove 3, lead screw 4, thread plate 5, spout 6, percentage table 7, support 8, reference bar 9, location stand 10, riser 11, diaphragm 12, fixed plate 13, spring 14, fly leaf 15, slide bar 16, telescopic link 17, arc 18, mounting groove 19, parts such as magnetite 20 and constant head tank 21 are universal standard or the part that technical staff in the field known, its structure and principle all can learn through the technical manual or learn through conventional experimental method for technical staff in the field.
Referring to fig. 1-4, a concrete expansion and contraction instrument comprises a base 1, wherein vertical plates 11 are vertically arranged on two sides of the rear side of the top of the base 1, mounting plates are fixedly connected to the bottoms of the vertical plates 11, fixing screws are arranged on two sides of the top of the mounting plates in a penetrating manner, the bottoms of the fixing screws sequentially penetrate through the mounting plates and the base 1 and are in threaded connection with the joints of the mounting plates and the base 1, the vertical plates 11 can be conveniently and stably fixed on the base 1 by arranging the mounting plates and the fixing screws to be matched for use, transverse plates 12 are transversely and fixedly connected to the tops and the bottoms of the opposite sides of the two vertical plates 11, fixing plates 13 are fixedly connected to the centers of the front surfaces of the vertical plates 11 and the front surfaces of the transverse plates 12, springs 14 are fixedly connected to the opposite sides of the two fixing plates 13, and limit rods and baffle plates are matched for use, so that the springs 14 can be limited, the spring 14 is prevented from moving randomly, a movable plate 15 is fixedly connected to one side of the spring 14 away from the fixed plates 13, a sliding rod 16 penetrates through one side of each of the two fixed plates 13 and is positioned on the inner surface of the spring 14, a limiting plate is fixedly connected to one side of each of the sliding rods 16 away from the movable plate 15, the surface of each of the sliding rods 16 is connected with the joint of the fixed plates 13 in a sliding manner, one side of each of the two sliding rods 16 opposite to one side of each of the two movable plates 15 is fixedly connected with a telescopic rod 17, reinforcing ribs are fixedly connected to the surface of each of the telescopic rods 17, limiting rods are fixedly connected to both sides of one end of each of the movable plates 15 away from the corresponding telescopic rod 17, one side of each of the limiting rods away from the movable plate 15 penetrates through one side of the two fixed plates 13 opposite to be fixedly connected with a baffle, an arc plate 18 is fixedly connected to one side of each of the two telescopic rods 17 opposite to each of the arc plate 18, and one side of the reinforcing ribs away from the telescopic rods 17 is fixedly connected with the surface of the arc plate 18, by arranging the reinforcing ribs, the strength of a combined surface of the telescopic rod 17 and the arc-shaped plate 18 can be increased, the surface of the arc-shaped plate 18 is provided with a mounting groove 19, the inner cavity of the mounting groove 19 is fixedly connected with a magnet 20, the four arc-shaped plates 18 can be connected by arranging the magnet 20 and the mounting groove 19 to be matched for use, the left side of the top of the base 1 is fixedly connected with an adjustable upright post 2, the top of the adjustable upright post 2 is provided with a through groove 3, the bottom of the inner cavity of the through groove 3 is vertically provided with a lead screw 4 through a bearing, the top of the lead screw 4 penetrates through to the top of the adjustable upright post 2 and is fixedly connected with a rotating handle, through arranging the rotating handle, a user can conveniently rotate the lead screw 4, a threaded plate 5 is sleeved at the center of the surface of the lead screw 4, sliding grooves 6 are respectively arranged at the two sides of the adjustable upright post 2 and the inner cavity of the through groove 3, a dial indicator 7 is installed at the rear side of the surface of the threaded plate 5, and supports 8 are vertically arranged at the two sides of the top of the base 1, the top of the opposite side of the two brackets 8 is transversely provided with a standard rod 9 in a penetrating way, the right side of the top of the base 1 is fixedly connected with a positioning upright post 10, the center of the left side of the positioning upright post 10 is provided with a positioning groove 21, the right side of the standard rod 9 extends to the inner cavity of the positioning groove 21 and is connected with the joint of the positioning groove 21 in a sliding way, through the arrangement of the through groove 3, the screw rod 4, the threaded plate 5, the sliding groove 6, the vertical plate 11, the transverse plate 12, the fixing plate 13, the spring 14, the movable plate 15, the telescopic rod 17, the arc-shaped plate 18, the mounting groove 19 and the magnet 20, the problem that the existing concrete expansion and contraction instrument does not have the function of pre-determining the midpoint of a concrete sample is solved, thereby at the in-process that the concrete expansion contraction appearance carries out the test to the concrete sample, can cause certain error to measuring precision, can't satisfy user's demand, reduced the problem of concrete expansion contraction appearance practicality.
When the testing device is used, when a concrete test piece is tested and the midpoint of the concrete test piece is determined, firstly a user inserts the concrete test piece into one side of the concrete test piece opposite to the four movable plates 15, the concrete test piece is inserted into one side of the concrete test piece opposite to the four movable plates 15, under the action of the spring 14, the four movable plates 15 cling to the surface of the concrete test piece to drive the slide rod 16 to move outwards, and simultaneously drive one end of the telescopic rod 17 fixed with the movable plates 15 to move outwards, when the fixed ends of the telescopic rod 17 and the movable plates 15 move outwards, the output ends of the four telescopic rods 17 and the arc-shaped plates 18 are still in the original positions under the action of the four magnets 20, the four arc-shaped plates 18 are contacted to form a circle and are positioned at the center of the side surface of the concrete test piece, then the user marks the concrete test piece through the marking pen, and then the user pre-marks the dial indicator 7 through the bracket 8 and the standard rod 9, after the calibration is completed, the support 8 and the standard rod 9 are taken out, then the user places the concrete sample on the base 1, then the user rotates the screw rod 4 to drive the thread plate 5 to move upwards according to the position of the circle center, so that the dial indicator 7 is driven to move upwards until the dial indicator 7 moves upwards to a proper position, and then the user tests the concrete sample through the dial indicator 7.
In conclusion: this concrete expansion contraction appearance, through setting up logical groove 3, the lead screw 4, the threading board 5, spout 6, riser 11, diaphragm 12, fixed plate 13, spring 14, fly leaf 15, telescopic link 17, arc 18, mounting groove 19 and magnetite 20 cooperation are used, it does not have the function of predetermineeing the mid point to the concrete sample to have solved current concrete expansion contraction appearance, thereby carry out the in-process that tests at the concrete expansion contraction appearance to the concrete sample, can cause certain error to measuring precision, can't satisfy user's demand, the problem of concrete expansion contraction appearance practicality has been reduced.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a concrete expansion and contraction appearance, includes base (1), its characterized in that: the base is characterized in that risers (11) are vertically arranged on two sides of the rear side of the top of the base (1), transverse plates (12) are transversely and fixedly connected to the tops and the bottoms of the opposite sides of the two risers (11), fixed plates (13) are fixedly connected to the centers of the front surfaces of the risers (11) and the transverse plates (12), springs (14) are fixedly connected to the opposite sides of the two fixed plates (13), movable plates (15) are fixedly connected to the sides, away from the fixed plates (13), of the springs (14), slide rods (16) penetrate through the inner surfaces of the opposite sides of the two fixed plates (13) and the inner surfaces of the springs (14), the opposite sides of the two slide rods (16) are fixedly connected to the opposite sides of the two movable plates (15), telescopic rods (17) are fixedly connected to the back surface of the movable plates (15), and arc-shaped plates (18) are fixedly connected to the opposite sides of the two telescopic rods (17), mounting groove (19) have been seted up on the surface of arc (18), the inner chamber fixedly connected with magnetite (20) of mounting groove (19).
2. The concrete expansion and contraction instrument according to claim 1, wherein: the left side of the top of the base (1) is fixedly connected with an adjustable upright post (2), the top of the adjustable upright post (2) is provided with a through groove (3), the bottom of the inner cavity of the through groove (3) is vertically provided with a screw rod (4) through a bearing, the center of the surface of the screw rod (4) is provided with a thread plate (5) in a threaded manner, the two sides of the adjustable upright post (2) and the inner cavity of the through groove (3) are provided with sliding grooves (6), a dial indicator (7) is arranged on the rear side of the surface of the thread plate (5) in a penetrating way, the two sides of the top of the base (1) are both vertically provided with brackets (8), the tops of the opposite sides of the two brackets (8) are transversely provided with standard rods (9) in a penetrating way, the right side of the top of the base (1) is fixedly connected with a positioning upright post (10), and a positioning groove (21) is formed in the center of the left side of the positioning upright post (10).
3. The concrete expansion and contraction instrument according to claim 1, wherein: the surface of the telescopic rod (17) is fixedly connected with a reinforcing rib, and one side, far away from the telescopic rod (17), of the reinforcing rib is fixedly connected with the surface of the arc-shaped plate (18).
4. The concrete expansion and contraction instrument according to claim 1, wherein: one side of the sliding rod (16) far away from the movable plate (15) is fixedly connected with a limiting plate, and the surface of the sliding rod (16) is connected with the joint of the fixed plate (13) in a sliding mode.
5. The concrete expansion and contraction instrument according to claim 1, wherein: the bottom fixedly connected with mounting panel of riser (11), the both sides at mounting panel top all run through and are provided with set screw, set screw's bottom run through mounting panel and base (1) in proper order and with the junction threaded connection of mounting panel and base (1).
6. The concrete expansion and contraction instrument according to claim 1, wherein: the both sides that telescopic link (17) one end was kept away from in fly leaf (15) are equal fixedly connected with gag lever post, and one side that fly leaf (15) were kept away from to the gag lever post runs through to two fixed plate (13) opposite one side and fixedly connected with baffle.
7. The concrete expansion and contraction instrument according to claim 2, wherein: the top of the screw rod (4) penetrates through the top of the adjustable upright post (2) and is fixedly connected with a rotating handle, and the right side of the standard rod (9) extends to the inner cavity of the positioning groove (21) and is in sliding connection with the connecting part of the positioning groove (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220161893.8U CN217058667U (en) | 2022-01-21 | 2022-01-21 | Concrete expansion and contraction instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220161893.8U CN217058667U (en) | 2022-01-21 | 2022-01-21 | Concrete expansion and contraction instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217058667U true CN217058667U (en) | 2022-07-26 |
Family
ID=82480932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220161893.8U Expired - Fee Related CN217058667U (en) | 2022-01-21 | 2022-01-21 | Concrete expansion and contraction instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217058667U (en) |
-
2022
- 2022-01-21 CN CN202220161893.8U patent/CN217058667U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220726 |