CN211292911U - Concrete contraction and expansion instrument - Google Patents
Concrete contraction and expansion instrument Download PDFInfo
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- CN211292911U CN211292911U CN201921948815.7U CN201921948815U CN211292911U CN 211292911 U CN211292911 U CN 211292911U CN 201921948815 U CN201921948815 U CN 201921948815U CN 211292911 U CN211292911 U CN 211292911U
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Abstract
The utility model belongs to the technical field of concrete detection, in particular to a concrete contraction and expansion instrument, which aims at the problems that the prior dial indicator has larger requirements on the external environment in the daily use process, needs frequent maintenance and maintenance, and causes inaccurate measurement when the dial indicator has problems, the concrete contraction and expansion instrument comprises a bottom plate, a fixed plate is fixedly arranged at the top of the bottom plate, a chute is arranged at the top of the bottom plate, a sliding plate is arranged in the chute in a sliding way, sliding rods are arranged on the fixed plate and the sliding plate in a sliding way, contact plates are arranged at the mutually close ends of the two sliding rods in a fixed way, the two contact plates are both positioned between the fixed plate and the sliding plate, one end of a spring is fixedly arranged at the mutually close side of the fixed plate and the sliding plate, the concrete is convenient to be detected, and the traditional step of maintaining the dial indicator is saved, is beneficial to people to use, and has simple structure and convenient use.
Description
Technical Field
The utility model relates to a concrete detection technical field especially relates to a concrete contraction and expansion appearance.
Background
The common concrete is artificial stone which is prepared by taking cement as a main cementing material, mixing water, sand, stones and chemical additives and mineral admixtures as necessary according to a proper proportion, uniformly stirring, densely forming, curing and hardening, and is mainly divided into two stages and states: plastic state before setting and hardening, namely fresh concrete or concrete mixture; the hardened state after hardening, i.e., hardened concrete or concrete, a concrete shrinkage-expansion instrument is an instrument for measuring a change in length (volume) of a concrete specimen under a prescribed temperature and humidity condition.
In the prior art, the shrinkage and expansion amount of concrete is generally judged by observing a dial indicator, so that although the shrinkage and expansion amount of concrete can be judged accurately, the dial indicator has great requirements on the external environment in the daily use process and needs to be maintained frequently, and once the dial indicator fails, the inaccurate measurement can be caused, so that the concrete shrinkage and expansion instrument is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the amesdial and having great requirement to external environment in daily use, still need often to maintain, one nevertheless amesdial goes wrong and can cause the unsafe shortcoming of measuring, and the concrete shrinkage dilatometer that proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
concrete contraction and expansion appearance, comprising a base plate, the top fixed mounting of bottom plate has the fixed plate, and the spout has been seted up at the top of bottom plate, slidable mounting has the slide in the spout, and equal slidable mounting has the slide bar on fixed plate and the slide, and the equal fixed mounting of one end that two slide bars are close to each other has the contact plate, and two contact plates all are located between fixed plate and the slide, and the equal fixed mounting in one side that fixed plate and slide are close to each other has the one end of spring, the other end of spring and the contact plate fixed connection that corresponds, and the outside of two slide bars all is equipped with the scale, and has all seted up the draw-in groove on two slide bars, the equal slidable mounting in one side that fixed plate and slide.
Preferably, the screw rod is installed to the spout internal rotation, and screw rod and slide threaded connection have all seted up the guide way on the both sides inner wall of spout, and the equal fixed mounting in both sides of slide has the guide block, guide block and the lateral wall sliding connection of the guide way that corresponds.
Preferably, a motor is fixedly mounted on one side of the bottom plate, and an output shaft of the motor is fixedly connected with one end of the screw rod.
Preferably, the outer sides of the two clamping rods are respectively and fixedly provided with a first connecting plate and a second connecting plate, one side of the first connecting plate is provided with a rectangular groove, one side of the second connecting plate is fixedly provided with a rectangular plate, and the rectangular plate is in sliding connection with the side wall of the rectangular groove.
Preferably, the equal fixed mounting in one side that two kellies are close to each other has the slider, the shifting chute has all been seted up to one side that two sliders are close to each other, equal slidable mounting has the arc piece in two shifting chutes, the recess has all been seted up to one side that fixed plate and slide kept away from each other, two sliders respectively with the lateral wall sliding connection of two recesses, two arc grooves have all been seted up on the one side inner wall that two recesses are close to each other, two arc pieces clamp with two arc grooves that correspond respectively mutually, the equal fixed mounting in one side that two arc pieces kept away from each other has reset spring's one end, two reset spring's the other end respectively with one side inner wall fixed connection that two shifting chutes kept away from each other, the equal fixed mounting in top of two sliders has the guide bar, the guide way has all been seted up on the top inner wall of two.
Compared with the prior art, the utility model has the advantages of:
(1) when the scheme is used, the concrete piece is placed at the top of the bottom plate, one side of the concrete piece is contacted with the right side of the contact plate on the fixed plate, the motor drives the screw rod to rotate, the slide plate drives the left side of the contact plate to be contacted with the right side of the concrete piece, then the first connecting plate or the second connecting plate is pulled upwards to enable the two clamping rods to be separated from the two clamping grooves upwards, the two clamping rods drive the two sliding blocks to move upwards, the arc blocks on the two sliding blocks extrude the two reset springs to be separated from the two arc grooves, when the tops of the two sliding blocks are contacted with the inner walls of the tops of the two grooves, the two return springs are reset, so that the two arc-shaped blocks are clamped into the two arc-shaped grooves on the upper side, the two sliding blocks are fixed, so that the positions of the two clamping rods are fixed, and the expansion condition of the concrete piece can be detected by observing the moving distance of the scales on the sliding rods;
(2) the utility model discloses be convenient for detect the concrete, saved traditional step of maintaining the amesdial maintenance, do benefit to people and use simple structure, convenient to use.
Drawings
Fig. 1 is a schematic structural view of a concrete contraction and expansion instrument provided by the present invention;
fig. 2 is a schematic structural diagram of a part a of the concrete contraction and expansion instrument provided by the present invention;
fig. 3 is the utility model provides a concrete contraction and expansion appearance's fixed plate and the side view structure schematic diagram that the slider is connected.
In the figure: the device comprises a base plate 1, a fixing plate 2, a sliding groove 3, a sliding plate 4, a sliding rod 5, a contact plate 6, a spring 7, a clamping groove 8, a clamping rod 9, a first connecting plate 10, a second connecting plate 11, a motor 12, a screw rod 13, a groove 14, a sliding block 15, an arc-shaped block 16, an arc-shaped groove 17 and a return spring 18.
Detailed Description
The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.
Example one
Referring to fig. 1-3, concrete contraction and expansion instrument, including bottom plate 1, the top fixed mounting of bottom plate 1 has fixed plate 2, spout 3 has been seted up at the top of bottom plate 1, slidable mounting has slide 4 in the spout 3, equal slidable mounting has slide bar 5 on fixed plate 2 and the slide 4, the equal fixed mounting of one end that two slide bars 5 are close to each other has contact plate 6, two contact plates 6 all are located between fixed plate 2 and the slide 4, the equal fixed mounting in one side that fixed plate 2 and slide 4 are close to each other has the one end of spring 7, the other end of spring 7 and the contact plate 6 fixed connection that corresponds, the outside of two slide bars 5 all is equipped with the scale, and all seted up draw-in groove 8 on two slide bars 5, the equal slidable mounting in one side that fixed plate 2 and slide 4 kept away from each other has clamping bar 9, the bottom.
In this embodiment, 3 internal rotations of spout are installed screw rod 13, and screw rod 13 and slide 4 threaded connection have all seted up the guide way on the both sides inner wall of spout 3, and the equal fixed mounting in both sides of slide 4 has the guide block, the guide block and the lateral wall sliding connection of the guide way that corresponds.
In this embodiment, a motor 12 is fixedly installed on one side of the bottom plate 1, and an output shaft of the motor 12 is fixedly connected with one end of the screw 13.
In this embodiment, the outer sides of the two clamping rods 9 are respectively and fixedly provided with a first connecting plate 10 and a second connecting plate 11, one side of the first connecting plate 10 is provided with a rectangular groove, one side of the second connecting plate 11 is fixedly provided with a rectangular plate, and the rectangular plate is connected with the side wall of the rectangular groove in a sliding manner.
In this embodiment, the equal fixed mounting in one side that two kellies 9 are close to each other has slider 15, the shifting chute has all been seted up to one side that two sliders 15 are close to each other, equal slidable mounting has arc piece 16 in two shifting chutes, fixed plate 2 and slide 4 one side of keeping away from each other all set up fluted 14, two sliders 15 respectively with two recess 14's lateral wall sliding connection, two arc pieces 17 have all been seted up on the one side inner wall that two recess 14 are close to each other, two arc pieces 16 clamp with two corresponding arc pieces 17 respectively, the equal fixed mounting in one side that two arc pieces 16 kept away from each other has reset spring 18's one end, two reset spring 18's the other end respectively with two shifting chutes one side inner wall fixed connection who keeps away from each other, the equal fixed mounting in top of two sliders 15 has the guide bar, the guide chute has all been seted up on two recess 14's the top inner wall, the guide bar and the lateral.
Example two
Referring to fig. 1-3, the concrete contraction and expansion instrument comprises a bottom plate 1, a fixed plate 2 is fixedly installed at the top of the bottom plate 1 through a bolt, a chute 3 is formed at the top of the bottom plate 1, a sliding plate 4 is slidably installed in the chute 3, sliding rods 5 are respectively slidably installed on the fixed plate 2 and the sliding plate 4, contact plates 6 are respectively fixedly installed at the ends, close to each other, of the two sliding rods 5 through bolts, the two contact plates 6 are respectively positioned between the fixed plate 2 and the sliding plate 4, one end, close to each other, of a spring 7 is respectively fixedly installed at one side, close to each other, of the fixed plate 2 and the sliding plate 4 through bolts, the other end of the spring 7, and all seted up draw-in groove 8 on two slide bars 5, the equal slidable mounting in one side that fixed plate 2 and slide 4 kept away from each other has kelly 9, and the bottom of two kellies 9 clamps with two draw-in grooves 8 mutually respectively.
In this embodiment, 3 internal rotations of spout are installed screw rod 13, and screw rod 13 and slide 4 threaded connection have all seted up the guide way on the both sides inner wall of spout 3, and the both sides of slide 4 all have the guide block through bolt fixed mounting, the lateral wall sliding connection of guide block and the guide way that corresponds, the guide block makes the stable horizontal slip of slide 4 with setting up of guide way.
In this embodiment, a motor 12 is fixedly installed on one side of the bottom plate 1 through a bolt, an output shaft of the motor 12 is fixedly connected with one end of the screw 13, and the motor 12 is used for driving the screw 13 to rotate.
In this embodiment, the first connecting plate 10 and the second connecting plate 11 are respectively installed on the outer sides of the two clamping rods 9 through bolt fixing, a rectangular groove is formed in one side of the first connecting plate 10, a rectangular plate is installed on one side of the second connecting plate 11 through bolt fixing, the rectangular plate is connected with the side wall of the rectangular groove in a sliding mode, and the first connecting plate 10 and the second connecting plate 11 can be connected in a sliding mode through the rectangular plate.
In the embodiment, the slide blocks 15 are fixedly arranged on the sides, close to each other, of the two clamping rods 9 through bolts, the moving grooves are formed on the sides, close to each other, of the two slide blocks 15, the arc-shaped blocks 16 are slidably arranged in the two moving grooves, the grooves 14 are formed on the sides, far away from each other, of the fixed plate 2 and the sliding plate 4, the two slide blocks 15 are respectively and slidably connected with the side walls of the two grooves 14, the two arc-shaped grooves 17 are respectively formed on the inner walls, close to each other, of the two grooves 14, the two arc-shaped blocks 16 are respectively and fixedly connected with the corresponding two arc-shaped grooves 17, one ends of the reset springs 18 are fixedly arranged on the sides, far away from each other, of the two arc-shaped blocks 16 through bolts, the other ends of the two reset springs 18 are respectively and fixedly connected with the inner walls, far away from each other, of the two moving, the guide rod is connected with the side wall of the corresponding guide groove in a sliding mode, and the slide block 15 can only vertically slide due to the arrangement of the guide rod and the guide groove.
In the embodiment, when the concrete mixer is used, a concrete piece is placed at the top of the bottom plate 1, one side of the concrete piece is contacted with the right side of the contact plate 6 on the fixed plate 2, then the motor 12 is started through the switch, the motor 12 drives the screw rod 13 to rotate, the screw rod 13 rotates to drive the sliding plate 4 in threaded connection with the screw rod to move leftwards, the sliding plate 4 drives the left side of the contact plate 6 to be contacted with the right side of the concrete piece, then the first connecting plate 10 or the second connecting plate 11 is pulled upwards to enable the two clamping rods 9 to be separated from the two clamping grooves 8 upwards, the limitation on the two sliding rods 5 is removed, the two clamping rods 9 drive the two sliding blocks 15 to move upwards, the arc blocks 16 on the two sliding blocks 15 extrude the two reset springs 18 to be separated from the two arc grooves 17, when the tops of the two sliding blocks 15 are contacted with the inner walls of the tops of the two grooves 14, the two, fix two sliders 15, and then make two kelly 9 rigidity, through observing the distance that the scale removed on the slide bar 5, can detect the inflation condition of concrete spare.
The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.
Claims (5)
1. Concrete contraction and expansion instrument, including bottom plate (1), its characterized in that, the top fixed mounting of bottom plate (1) has fixed plate (2), spout (3) have been seted up at the top of bottom plate (1), slidable mounting has slide (4) in spout (3), equal slidable mounting has slide bar (5) on fixed plate (2) and slide (4), the equal fixed mounting of one end that two slide bars (5) are close to each other has contact plate (6), two contact plates (6) all are located between fixed plate (2) and slide (4), the equal fixed mounting of one side that fixed plate (2) and slide (4) are close to each other has the one end of spring (7), the other end of spring (7) and corresponding contact plate (6) fixed connection, the outside of two slide bars (5) all is equipped with the scale, and all seted up draw-in groove (8) on two slide bars (5), the equal slidable mounting of one side that fixed plate (2) and slide (4) keep away from each other has kelly, the bottom ends of the two clamping rods (9) are respectively clamped with the two clamping grooves (8).
2. The concrete contraction and expansion instrument according to claim 1, wherein a screw (13) is rotatably mounted in the chute (3), the screw (13) is in threaded connection with the sliding plate (4), guide grooves are formed in inner walls of two sides of the chute (3), guide blocks are fixedly mounted on two sides of the sliding plate (4), and the guide blocks are in sliding connection with side walls of the corresponding guide grooves.
3. The concrete contraction and expansion instrument according to claim 1, wherein a motor (12) is fixedly installed on one side of the bottom plate (1), and an output shaft of the motor (12) is fixedly connected with one end of the screw rod (13).
4. The concrete contraction and expansion instrument according to claim 1, wherein a first connecting plate (10) and a second connecting plate (11) are fixedly mounted on the outer sides of the two clamping rods (9), a rectangular groove is formed in one side of the first connecting plate (10), a rectangular plate is fixedly mounted on one side of the second connecting plate (11), and the rectangular plate is in sliding connection with the side wall of the rectangular groove.
5. The concrete contraction and expansion instrument according to claim 1, wherein the side of the two clamping bars (9) close to each other is fixedly provided with a sliding block (15), the side of the two sliding blocks (15) close to each other is provided with a moving groove, arc-shaped blocks (16) are slidably arranged in the two moving grooves, the side of the fixed plate (2) far away from the sliding plate (4) is provided with a groove (14), the two sliding blocks (15) are respectively and slidably connected with the side walls of the two grooves (14), the inner wall of the side of the two grooves (14) close to each other is provided with two arc-shaped grooves (17), the two arc-shaped blocks (16) are respectively and correspondingly clamped with the two arc-shaped grooves (17), the side of the two arc-shaped blocks (16) far away from each other is fixedly provided with one end of a return spring (18), and the other end of the two return springs (18) is respectively and fixedly connected with the inner wall of the, the equal fixed mounting in top of two sliders (15) has the guide bar, has all seted up the guide way on the top inner wall of two recesses (14), the guide bar with the lateral wall sliding connection of the guide way that corresponds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921948815.7U CN211292911U (en) | 2019-11-13 | 2019-11-13 | Concrete contraction and expansion instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921948815.7U CN211292911U (en) | 2019-11-13 | 2019-11-13 | Concrete contraction and expansion instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211292911U true CN211292911U (en) | 2020-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921948815.7U Expired - Fee Related CN211292911U (en) | 2019-11-13 | 2019-11-13 | Concrete contraction and expansion instrument |
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| CN (1) | CN211292911U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113639626A (en) * | 2021-08-19 | 2021-11-12 | 王伟东 | Gate deformation condition detection device for hydraulic engineering |
-
2019
- 2019-11-13 CN CN201921948815.7U patent/CN211292911U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113639626A (en) * | 2021-08-19 | 2021-11-12 | 王伟东 | Gate deformation condition detection device for hydraulic engineering |
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| 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: 20200818 Termination date: 20211113 |