CN214539609U

CN214539609U - Concrete durability experimental device

Info

Publication number: CN214539609U
Application number: CN202120056678.7U
Authority: CN
Inventors: 匡永生; 王霞霞; 王湘君
Original assignee: Inner Mongolia University of Technology
Current assignee: Inner Mongolia University of Technology
Priority date: 2021-01-08
Filing date: 2021-01-08
Publication date: 2021-10-29
Anticipated expiration: 2031-01-08

Abstract

The disclosure relates to the technical field of concrete research and discloses a concrete durability experimental device. The device comprises a bracket, a vertical rod, a shelf and a driving mechanism; the vertical rod is connected with the bracket in a vertical sliding manner; the storage racks are used for placing concrete blocks, and are arranged in a plurality of numbers, and the plurality of storage racks are detachably connected with the vertical rods from top to bottom; the driving mechanism is used for driving the vertical rod to slide up and down relative to the support. During experiments, the concrete blocks are correspondingly placed on the storage rack, then the driving mechanism drives the vertical rods to move downwards, and the whole concrete blocks on the storage rack are immersed into the solution in the solution tank; when the concrete blocks need to be detected, the driving mechanism drives the vertical rods to move upwards, and the concrete blocks on the storage rack are separated from the solution integrally; the device is convenient for placing and taking out the concrete blocks, realizes orderly management of the concrete blocks, and is convenient for people to perform experiment operation.

Description

Concrete durability experimental device

Technical Field

The utility model relates to a concrete research technical field especially relates to a concrete durability experimental apparatus.

Background

Concrete durability refers to the ability of concrete to withstand the action of environmental agents and maintain its good performance and appearance integrity over long periods of time, thereby maintaining the safe and normal use of the concrete structure. The concrete durability experiment often needs to be simultaneously performed on the same group of multiple pieces of concrete, and in some experiments, the same group of multiple pieces of concrete can be placed into a solution tank to be soaked, so that the experiment under the same environment is realized. In the prior art, a plurality of pieces of concrete in the same group are directly stacked and placed in a solution box, and when the concrete blocks need to be tested, the operation of taking out the concrete blocks is inconvenient; and the surface of the concrete block can be crystallized under the soaking of some solutions, so that the surface of the concrete block is smooth, and the operation difficulty of transferring the concrete block by personnel is increased.

SUMMERY OF THE UTILITY MODEL

The purpose of this disclosure is to provide a concrete durability experimental apparatus, be convenient for the concrete piece get into the solution tank or leave the solution tank.

In order to achieve the above object, the present disclosure provides a concrete durability testing apparatus, which includes a bracket, a vertical rod, a rack, and a driving mechanism; the vertical rod is connected with the bracket in a vertical sliding manner; the storage racks are used for placing concrete blocks, and are arranged in a plurality of numbers, and the plurality of storage racks are detachably connected with the vertical rods from top to bottom; the driving mechanism is used for driving the vertical rod to slide up and down relative to the support.

Optionally, the supporter encloses by two horizontal poles and two vertical poles and closes and constitute, the vertical pole with the connection can be dismantled to the montant, the horizontal pole with vertical pole is in longitudinal sliding connection.

Optionally, two equal sliding connections of horizontal pole have two first sliders, first slider to the inboard of horizontal pole extends there is the support angle piece.

Optionally, a supporting roller is arranged between the two cross rods, the cross rods are connected between the first sliding blocks in a sliding mode, the second sliding blocks extend towards the inner sides of the cross rods to form two supporting columns, and the supporting columns are used for placing the supporting rollers.

Optionally, a limiting hole is formed in the cross rod, and a limiting rod is detachably mounted in the limiting hole.

Optionally, the driving mechanism includes a rotating shaft disposed on the upper portion of the support, the rotating shaft is rotatably connected to the support, and a rope connected to the vertical rod is disposed on the rotating shaft.

Optionally, the outer circumference of the rotating shaft is provided with a ratchet, and the bracket is provided with a pawl for limiting the ratchet to rotate in one direction.

Optionally, the rotating shaft is connected with an operating handle.

Optionally, the driving mechanism further comprises a motor, and the motor is connected with the rotating shaft.

Optionally, a base is arranged at the lower part of the bracket.

Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages: according to the concrete block placing device, a plurality of placing frames are connected with a vertical rod together to form a whole, the placing frames are used for placing different concrete blocks, a support is fixed in a solution box, the concrete blocks are correspondingly placed on the placing frames during experiments, then the vertical rod is driven by a driving mechanism to move downwards, and the whole concrete block on the placing frames is immersed in the solution of the solution box; when the concrete blocks need to be detected, the driving mechanism drives the vertical rods to move upwards, and the concrete blocks on the storage rack are separated from the solution integrally; the device is convenient for placing and taking out the concrete blocks, realizes orderly management of the concrete blocks, and is convenient for people to perform experiment operation.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic view of an experimental apparatus set in a solution tank according to an embodiment of the present disclosure;

FIG. 2 is a schematic diagram of a concrete block placed in an experimental apparatus provided in an embodiment of the present disclosure;

FIG. 3 is a schematic diagram of an experimental setup provided in an embodiment of the present disclosure;

FIG. 4 is a partially enlarged view of the first part of FIG. 3, in which the limiting rod and the supporting roller are not shown;

FIG. 5 is a second enlarged view of a portion of FIG. 3;

FIG. 6 is a schematic view of the ratchet and pawl engagement.

10, a bracket; 11. a base; 20. a vertical rod; 30. a rack; 31. a cross bar; 32. a longitudinal bar; 33. a first slider; 34. supporting the corner block; 35. a second slider; 36. a support pillar; 37. a support roller; 38. a limiting hole; 39. a limiting rod; 41. a rotating shaft; 42. a rope; 43. a ratchet; 44. a pawl; 45. the handle is operated.

Detailed Description

In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that the embodiments and features of the embodiments of the present disclosure may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced in other ways than those described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.

As shown in fig. 1, 2 and 3, the concrete durability test device provided by the present disclosure includes a support 10, a vertical rod 20 and a shelf 30, wherein the support 10 may be composed of two oppositely arranged upright columns, the support 10 is arranged in a solution tank, and the whole support 10 extends out of the solution tank; the vertical rod 20 is connected with the support 10 in a vertical sliding mode, the height of the vertical rod 20 is about half of that of the support 10, the support 10 can be provided with a T-shaped groove in the vertical direction, and the vertical rod 20 can be provided with a T-shaped bump matched with the T-shaped groove in the vertical direction, so that the vertical rod 20 and the support are connected in a limiting sliding mode; the storage racks 30 are used for placing concrete blocks, a plurality of storage racks 30 are arranged, the plurality of storage racks 30 are detachably connected with the vertical rods 20 from top to bottom, the number of the storage racks 30 is specifically selected according to experiment requirements, and then the storage racks are connected with the vertical rods 20; the support 10 is provided with a driving mechanism for driving the vertical rod 20 to slide up and down relative to the support 10, and the driving mechanism is used for driving the concrete blocks on the storage rack 30 to enter the solution tank or leave the solution tank.

Compared with the prior art, the plurality of storage racks 30 are connected with the vertical rod 20 together to form a whole, the plurality of storage racks 30 are used for placing different concrete blocks, the support 10 is fixed in the solution tank, the concrete blocks are correspondingly placed on the storage racks 30 during experiments, then the vertical rod 20 is driven by the driving mechanism to move downwards, and the concrete blocks on the storage racks 30 are wholly immersed in the solution of the solution tank; when the concrete blocks need to be detected, the driving mechanism drives the vertical rods 20 to move upwards, and the concrete blocks on the storage rack 30 are separated from the solution integrally; the device is convenient for placing and taking out the concrete blocks, realizes orderly management of the concrete blocks, and is convenient for people to perform experiment operation.

In some embodiments, as shown in fig. 3 and 4, the rack 30 includes two cross bars 31 and two longitudinal bars 32, the two cross bars 31 and the two longitudinal bars 32 enclose the rectangular rack 30, the support 10 may be formed by two oppositely disposed vertical columns, the two vertical bars 20 are slidably connected to the vertical columns correspondingly, the two longitudinal bars 32 are detachably connected to the two vertical bars 20 correspondingly, and the cross bars 31 are slidably connected to the longitudinal bars 32 in the longitudinal direction, so that the size of the rectangular rack 30 can be changed to place concrete blocks with different sizes; the longitudinal direction is the longitudinal direction of the vertical bar 32.

In the above technical solution, after the vertical rod 32 is connected with the vertical rod 20, the adjustable cross rod 31 moves longitudinally relative to the vertical rod 32, so as to adjust the size of the shelf 30, and to place concrete blocks with different sizes; specifically, the longitudinal rod 32 is provided with a strip-shaped sliding groove in the longitudinal direction, the end of the transverse rod 31 is provided with an inverted U-shaped clamping block, a sliding block matched with the sliding groove is arranged on a top plate of the clamping block, and the transverse rod 31 is slidably connected with the longitudinal rod 32 in this way.

Specifically, the longitudinal rod 32 can be detachably connected to the vertical rod 20 in the following manner: firstly, the longitudinal rod 32 is composed of a front rod and a rear rod, both the front rod and the rear rod are provided with screw holes, the front side and the rear side of the vertical rod 20 are respectively provided with a plurality of screw rods from top to bottom in the vertical direction, the front rod and the rear rod are correspondingly connected with the front side and the rear side of the vertical rod 20 through the matching of the screw holes and the screw rods, and thus the detachable connection of the longitudinal rod 32 and the vertical rod 20 is realized; secondly, the longitudinal rod 32 is an integral rod piece, a T-shaped long hole is vertically formed in the inner side of the vertical rod 20, a T-shaped bolt is installed in the T-shaped long hole in a matched mode, an installation hole is formed in the middle of the longitudinal rod 32, the installation hole is matched with the T-shaped bolt and then fastened through a fastening nut, and therefore the longitudinal rod 32 and the vertical rod 20 are detachably connected; third, the side rail 32 is welded directly to the side rail 20.

In some embodiments, as shown in fig. 3 and 4, two first sliding blocks 33 are slidably connected to each of the two cross bars 31, and the first sliding blocks 33 extend to the inner side of the cross bars 31 to form supporting angle blocks 34; the experimental concrete block is generally solid, and the supporting angle block 34 can be an L-shaped angle steel used for supporting four corners at the bottom of the concrete block.

In the above technical solution, the left and right cross bars 31 are provided with four first sliding blocks 33 in total, and the first sliding blocks 33 can be adjusted in a sliding manner relative to the cross bars 31; according to the size of the concrete block, firstly, the transverse rod 31 is adjusted to displace relative to the longitudinal rod 32, then the position of the first sliding block 33 relative to the transverse rod 31 is adjusted, and the concrete block is correspondingly placed on the supporting angle block 34, so that the fixation of the concrete block can be realized.

In some embodiments, as shown in fig. 3 and 4, a supporting roller 37 is disposed between the two cross bars 31, the cross bar 31 is further slidably connected with a second slider 35 between the two first sliders 33, the second slider 35 extends to the inner side of the cross bar 31 to form two supporting pillars 36, and the supporting pillars 36 are used for placing the supporting roller 37.

In the technical scheme, the supporting roller 37 is additionally arranged to further support the concrete block, because the contact area of the concrete block and other foreign objects is reduced as much as possible in the experiment, the supporting roller 37 is adopted to support, and simultaneously, the line contact with the concrete block is realized; the support rollers 37 may be provided in one or more numbers, depending on the experimental requirements.

Specifically, a strip-shaped sliding groove can be formed in the transverse direction of the cross rod 31, the first sliding block 33 and the second sliding block 35 are in an inverted U shape, and a protruding block matched with the sliding groove is arranged on the top plate, so that the first sliding block 33 and the second sliding block 35 are slidably connected with the cross rod 31.

In some embodiments, as shown in fig. 3 and 4, the cross bar 31 of each layer of the rack 30 is provided with a limiting hole 38, a limiting rod 39 is detachably installed in the limiting hole 38, and the plurality of layers of cross bars 31 are connected in series through the limiting rod 39.

Among the above-mentioned technical scheme, during the experiment, from top to bottom although every layer of concrete piece is probably different, but the volume is all the same, after connecting horizontal pole 31 together in series through gag lever post 39, can adjust every layer of horizontal pole 31 position relative vertical pole 32 simultaneously, the size of adjustment multilayer supporter 30 that can be convenient like this, then place the concrete piece.

In some embodiments, as shown in fig. 3 and 5, the driving mechanism comprises a rotating shaft 41 disposed at the upper part of the support 10, the rotating shaft 41 is rotatably connected with the support 10, and a rope 42 connected with the vertical bar 20 is disposed on the rotating shaft 41; the rotary shaft 41 is connected to an operating handle 45.

In the above technical solution, the support 10 may be composed of two oppositely arranged columns, the rotating shaft 41 is rotatably connected with the upper ends of the columns, the rotating shaft 41 pulls the vertical bar 20 through the rope 42, and the rotating shaft 41 is rotated by operating the handle 45, so that the corresponding vertical bar 20 can be pulled to move up and down, thereby realizing that the concrete block enters the solution or breaks away from the solution; when it is necessary to maintain the position of the concrete block, the rotation shaft 41 may be fixed to restrict the position thereof.

In some embodiments, as shown in fig. 5 and 6, the outer circumference of the rotating shaft 41 is provided with a ratchet 43, and the bracket 10 is provided with a pawl 44 for limiting the unidirectional rotation of the ratchet 43.

In the above technical solution, the ratchet 43 and the pawl 44 are matched to limit the unidirectional rotation of the rotating shaft 41, wherein the pawl 44 may be in the form of a sloping plate, the sloping plate is connected with the upper end surface of the upright post through a spring, when the rotating shaft 41 rotates in one direction, the ratchet 43 butts against the plate surface of the sloping plate, the spring is compressed, then the ratchet 43 passes through the plate surface of the sloping plate, the upper end of the sloping plate butts against the side surface of the ratchet 43, when the rotating shaft 41 rotates in the other direction, the upper end of the sloping plate limits the ratchet 43, thus limiting the unidirectional rotation of the rotating shaft 41; the principle can be used for controlling the vertical rods 20 to move downwards and controlling the concrete blocks to be in proper positions; when the vertical rod 20 needs to move upwards, the inclined plate can be pressed, and the limitation on the ratchet 43 is released.

In some embodiments, the drive mechanism further comprises a motor coupled to the rotating shaft 41.

In the above technical solution, the motor is another embodiment of the driving mechanism, and the motor is directly driven by the motor without using the operating handle 45, so as to drive the vertical rod 20 to move up and down, thereby enabling the concrete block to be immersed in the solution or separated from the solution.

In some embodiments, as shown in fig. 1, 2 and 3, the lower portion of the stand 10 is provided with a base 11. The base 11 allows the stand 10 to be more stably supported within the solution tank.

It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing are merely exemplary embodiments of the present disclosure, which enable those skilled in the art to understand or practice the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A concrete durability experimental device is characterized by comprising a bracket (10), a vertical rod (20), a shelf (30) and a driving mechanism; the vertical rod (20) is connected with the bracket (10) in a vertical sliding manner; the storage racks (30) are used for placing concrete blocks, a plurality of storage racks (30) are arranged, and the plurality of storage racks (30) are detachably connected with the vertical rods (20) from top to bottom; the driving mechanism is used for driving the vertical rod (20) to slide up and down relative to the support (10).

2. The concrete durability test device according to claim 1, wherein the rack (30) is enclosed by two cross bars (31) and two longitudinal bars (32), the longitudinal bars (32) are detachably connected with the vertical bars (20), and the cross bars (31) are connected with the longitudinal bars (32) in a longitudinal sliding manner.

3. The concrete durability test device according to claim 2, wherein two first sliding blocks (33) are connected to the two cross bars (31) in a sliding manner, and supporting angle blocks (34) extend from the first sliding blocks (33) to the inner sides of the cross bars (31).

4. The concrete durability test device according to claim 3, wherein a support roller (37) is arranged between the two cross bars (31), the cross bars (31) are further connected with a second slide block (35) between the two first slide blocks (33) in a sliding manner, the second slide block (35) extends to the inner side of the cross bars (31) to form two support columns (36), and the support columns (36) are used for placing the support roller (37).

5. The concrete durability test device according to claim 2, wherein the cross bar (31) is provided with a limiting hole (38), and a limiting rod (39) is detachably mounted in the limiting hole (38).

6. The concrete durability test device according to claim 1, wherein the driving mechanism comprises a rotating shaft (41) arranged at the upper part of the support (10), the rotating shaft (41) is rotatably connected with the support (10), and a rope (42) connected with the vertical rod (20) is arranged on the rotating shaft (41).

7. The concrete durability test device according to claim 6, wherein a ratchet (43) is provided on the outer circumference of the rotating shaft (41), and a pawl (44) for restricting the ratchet (43) from rotating in one direction is provided on the bracket (10).

8. The concrete durability test apparatus according to claim 7, wherein an operation handle (45) is connected to the rotation shaft (41).

9. The concrete durability test device according to claim 6, wherein the driving mechanism further comprises a motor connected to the rotating shaft (41).

10. The concrete durability test device according to claim 1, wherein a base (11) is provided at a lower portion of the bracket (10).