CN214503188U

CN214503188U - Compressive strength test device for lightweight aggregate concrete

Info

Publication number: CN214503188U
Application number: CN202022054244.1U
Authority: CN
Inventors: 罗亚磊; 李建; 皮永豪
Original assignee: Beijing Zhuzong New Building Materials Co ltd
Current assignee: Beijing Zhuzong New Building Materials Co ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2021-10-26
Anticipated expiration: 2030-09-18

Abstract

The utility model discloses a the utility model provides a following technical scheme: a compressive strength test device for lightweight aggregate concrete comprises a base, a support pillar, a bearing plate and a top plate, the top of the base is symmetrically fixed with support columns, the middle parts of the four support columns are fixed with bearing plates, the top parts of the four support columns are fixed with top plates, a pressing mechanism for applying pressure to the concrete experimental block is fixed on the upper surface of the top plate, a cleaning mechanism for cleaning experimental waste is fixed on the top of the bearing plate, the top of base is fixed with the mechanism that gathers materials that is used for collecting experimental waste material, biasing means includes threaded sleeve, driven bevel gear, first motor, initiative bevel gear, screw rod, clamp plate, first spout, slide opening, slide bar, touches clamp plate and pressure sensor, the utility model discloses can accomplish the clearance collection work to experimental waste material, save the manpower, improve test efficiency.

Description

Compressive strength test device for lightweight aggregate concrete

Technical Field

The utility model relates to a concrete compression test technical field specifically is a compressive strength test device for lightweight aggregate concrete.

Background

Lightweight aggregate concrete (Lightweigaggregatonecrete) refers to concrete with lightweight aggregate at apparent densities no greater than 1950kg/m for carrying out high-speed steel year. The lightweight aggregate concrete has the characteristics of light weight, high strength, heat preservation, fire resistance and the like, and has good deformation performance, lower elastic modulus and larger shrinkage and creep under general conditions, because of the characteristics of the lightweight aggregate concrete, the lightweight aggregate concrete is widely applied to the field of building industry, in building construction, a certain concrete material needs to be subjected to a compression test before being used, a 150x150x150 x150mm cube is used as a standard solid in the compression test, a lightweight aggregate concrete compression test device in the prior art does not usually have a cleaning function, waste materials after the experiment are manually cleaned, the manual cleaning wastes time and labor and is easily scattered on a compression test instrument, and the subsequent normal use of the instrument is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compressive strength test device for lightweight aggregate concrete to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a compressive strength test device for lightweight aggregate concrete, includes base, support column, bearing plate and roof, the top symmetry of base is fixed with the support column, four the middle part of support column is fixed with the bearing plate, four the top of support column is fixed with the roof, the last fixed surface of roof has the mechanism of exerting pressure that is used for exerting pressure to the concrete experiment piece, the top of bearing plate is fixed with the clearance mechanism that is used for clearing up experimental waste material, the top of base is fixed with the mechanism of gathering materials that is used for collecting experimental waste material.

Preferably, the pressing mechanism comprises a threaded sleeve, a driven bevel gear, a first motor, a driving bevel gear, a screw, a pressing plate, a first chute, a sliding hole, a sliding rod, a touch pressing plate and a pressure sensor, the middle part of the upper surface of the top plate is rotatably connected with the threaded sleeve through a bearing, the driven bevel gear is fixed on the outer wall of the upper end of the threaded sleeve, the first motor is fixed on the upper surface of the top plate, the driving bevel gear is fixed on the output end of the first motor, the driving bevel gear is meshed with the driven bevel gear, the screw is in threaded connection with the inner wall of the threaded sleeve, the pressing plate is fixed at the bottom of the screw by penetrating through the top plate, the first chutes are symmetrically arranged at four corners of the pressing plate, the pressing plate is respectively in sliding connection with four support columns through four first chutes, the sliding hole is symmetrically arranged at the bottom of the pressing plate, and the inner wall of the sliding hole is connected with the sliding rod in a sliding manner, and the bottoms of the four sliding rods are fixedly provided with touch pressing plates, and the middle parts of the lower surfaces of the pressing plates are fixedly provided with pressure sensors.

Preferably, clearance mechanism includes rack, draw runner, clearance seat, second spout, second motor, gear, arc scraper blade and stopper, the top symmetry of bearing plate is fixed with the rack, one side of rack is fixed with the draw runner, two the inboard sliding connection of rack has the clearance seat, the second spout has been seted up to the bilateral symmetry of clearance seat, second spout and draw runner sliding connection, and the bottom of clearance seat and the top sliding connection of bearing plate, the top symmetry of clearance seat is fixed with the second motor, the output of second motor is fixed with the gear, the gear is connected with the rack toothing, one side that the second motor was kept away from to the clearance seat is fixed with the arc scraper blade, and the bottom of arc scraper blade and the top sliding connection of bearing plate, the both ends symmetry of rack is fixed with the stopper.

Preferably, the mechanism that gathers materials is including gathering materials case, otic placode, fixing bolt and screw hole, the top of base is provided with the case that gathers materials, the bilateral symmetry of case that gathers materials is fixed with the otic placode, the middle part of otic placode has the screw hole, the otic placode has fixing bolt through screw hole threaded connection, the top symmetry of base has the screw hole, fixing bolt's bottom is passed otic placode and screw hole threaded connection

Preferably, one end of the pressure bearing plate, which is close to the material collecting box, is provided with a material pouring groove.

Preferably, the first motor and the second motor are both speed reduction motors.

Compared with the prior art, the beneficial effects of the utility model are that:

when the utility model is used, the experimental concrete block is placed on the top of the bearing plate and is positioned under the contact pressure plate, the driving bevel gear is driven to rotate by driving the first motor, the driven bevel gear is further driven to rotate, the threaded sleeve is driven to rotate, the screw rod is finally driven to move downwards, the pressure plate is pressed downwards, the contact pressure plate is finally contacted with the experimental concrete block, the slide bar slides upwards along the slide hole until the upper surface of the contact pressure plate contacts with the pressure sensor, the first motor is further driven continuously, the contact pressure plate continuously applies pressure to the experimental concrete block, the pressure sensor transmits out a pressure value, when the experimental concrete block cracks and is damaged, a peak pressure value is recorded, the first motor is further driven to rotate, the screw rod is driven to ascend, the pressure plate and the contact pressure plate are further driven to ascend to the bottom of a top plate, the second motor is further driven, the gear is driven to rotate, and then drive the clearance seat and slide to the chute direction along the draw runner, and then drive the arc scraper blade and slide to the chute direction along the bearing plate upper surface, and then scrape the waste material by the bearing plate top through the arc scraper blade and send to the chute department that inclines, and then along the chute landing to the incasement that gathers materials that inclines to reach the effect of clearance test waste material, the utility model discloses can accomplish the clearance collection work to test waste material, save the manpower, improve test efficiency.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the pressing mechanism of the present invention;

FIG. 3 is a schematic side sectional view of the present invention;

FIG. 4 is a schematic structural view of the cleaning mechanism of the present invention;

fig. 5 is a partial enlarged view of the present invention.

In the figure: 1. a base; 2. a support pillar; 3. a pressure bearing plate; 4. a top plate; 5. a pressure applying mechanism; 51. a threaded sleeve; 52. a driven bevel gear; 53. a first motor; 54. a drive bevel gear; 55. a screw; 56. pressing a plate; 57. a first chute; 58. a slide hole; 59. a slide bar; 510. a pressure plate is contacted; 511. a pressure sensor; 6. a cleaning mechanism; 61. a rack; 62. a slide bar; 63. cleaning a seat; 64. a second chute; 65. a second motor; 66. a gear; 67. an arc-shaped scraper plate; 68. a limiting block; 7. a material collecting mechanism; 71. a material collecting box; 72. an ear plate; 73. fixing the bolt; 74. a threaded hole; 8. and (4) a material pouring groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1, the present invention provides a technical solution: the utility model provides a compressive strength test device for lightweight aggregate concrete, includes base 1, support column 2, bearing plate 3 and roof 4, the top symmetry of base 1 is fixed with support column 2, four the middle part of support column 2 is fixed with bearing plate 3, four the top of support column 2 is fixed with roof 4, the last fixed surface of roof 4 has the mechanism of exerting pressure 5 that is used for exerting pressure to the concrete experiment piece, the top of bearing plate 3 is fixed with the clearance mechanism 6 that is used for clearing up experimental waste material, the top of base 1 is fixed with the mechanism of gathering materials 7 that is used for collecting experimental waste material.

Referring to fig. 2, 3 and 4, the pressing mechanism 5 includes a threaded sleeve 51, a driven bevel gear 52, a first motor 53, a drive bevel gear 54, a screw 55, a pressing plate 56, a first sliding slot 57, a sliding hole 58, a sliding rod 59, a touch pressing plate 510 and a pressure sensor 511, the middle of the upper surface of the top plate 4 is rotatably connected with the threaded sleeve 51 through a bearing, the driven bevel gear 52 is fixed on the outer wall of the upper end of the threaded sleeve 51, the first motor 53 is fixed on the upper surface of the top plate 4, the drive bevel gear 54 is fixed on the output end of the first motor 53, the drive bevel gear 54 is meshed with the driven bevel gear 52, the screw 55 is connected with the inner wall of the threaded sleeve 51 through a screw thread, the pressing plate 56 is fixed on the bottom of the screw 55 through the top plate 4, the first sliding slots 57 are symmetrically formed at four corners of the pressing plate 56, the pressing plate 56 is slidably connected with the four supporting columns 2 through the four first sliding slots 57, the bottom of the pressing plate 56 is symmetrically provided with sliding holes 58, the inner wall of each sliding hole 58 is connected with a sliding rod 59 in a sliding mode, the bottoms of the four sliding rods 59 are fixedly provided with contact pressing plates 510, and the middle of the lower surface of the pressing plate 56 is fixedly provided with a pressure sensor 511, so that the pressure of a test concrete block can be conveniently applied, and the pressure resistance condition of the test concrete block can be effectively tested.

Referring to fig. 3, 4 and 5, the cleaning mechanism 6 includes a rack 61, a sliding bar 62, a cleaning seat 63, a second sliding groove 64, a second motor 65, a gear 66, an arc-shaped scraper 67 and a limiting block 68, the rack 61 is symmetrically fixed on the top of the pressure bearing plate 3, the sliding bar 62 is fixed on one side of the rack 61, the cleaning seat 63 is slidably connected to the inner sides of the two racks 61, the second sliding grooves 64 are symmetrically formed on both sides of the cleaning seat 63, the second sliding groove 64 is slidably connected to the sliding bar 62, the bottom of the cleaning seat 63 is slidably connected to the top of the pressure bearing plate 3, the second motor 65 is symmetrically fixed on the top of the cleaning seat 63, the gear 66 is fixed on the output end of the second motor 65, the gear 66 is engaged with the rack 61, the arc-shaped scraper 67 is fixed on one side of the cleaning seat 63 far from the second motor 65, and the bottom of the arc-shaped scraper 67 is slidably connected to the top of the pressure bearing plate 3, the two ends of the rack 61 are symmetrically fixed with the limiting blocks 68, so that test waste can be effectively cleaned, and manpower is saved.

Referring to fig. 2, the collecting mechanism 7 includes a collecting box 71, lug plates 72, fixing bolts 73 and threaded holes 74, the collecting box 71 is disposed on the top of the base 1, the lug plates 72 are symmetrically fixed on two sides of the collecting box 71, the threaded holes are formed in the middle of the lug plates 72, the lug plates 72 are in threaded connection with the fixing bolts 73 through the threaded holes, the threaded holes 74 are symmetrically formed in the top of the base 1, and the bottoms of the fixing bolts 73 penetrate through the lug plates 72 and are in threaded connection with the threaded holes 74, so that the collecting box 71 is fixed to the top of the base 1.

Referring to fig. 1, a dumping groove 8 is disposed at one end of the pressure plate 3 close to the material collecting box 71, so that waste materials can be conveniently dumped into the material collecting box 71.

Referring to fig. 2 and 3, the first motor 53 and the second motor 65 are both speed reduction motors, which can facilitate the operation of the pressing mechanism 5 and the cleaning mechanism 6.

The working principle is as follows:

when the device is used, the experimental concrete block is placed on the top of the bearing plate 3 and located under the contact pressing plate 510, the first motor 53 is driven to drive the driving bevel gear 54 to rotate, the driven bevel gear 52 is driven to rotate, the threaded sleeve 51 is driven to rotate, the screw 55 is driven to move downwards finally, the pressing plate 56 is pressed downwards, the contact pressing plate 510 is finally contacted with the experimental concrete block, meanwhile, the sliding rod 59 slides upwards along the sliding hole 58 until the upper surface of the contact pressing plate 510 contacts the pressure sensor 511, the first motor 53 is further driven continuously, the contact pressing plate 510 continuously presses the experimental concrete block, the pressure sensor 511 transmits out a pressure value, after the experimental concrete block cracks and is damaged, a peak pressure value is recorded, the first motor 53 is driven to rotate, the screw 55 is driven to ascend, the pressing plate 56 and the contact pressing plate 510 are further driven to the bottom of the top plate 4, and then drive second motor 65, drive gear 66 and rotate, and then drive clearance seat 63 and slide to 8 directions in the chute of inclining along draw runner 62, and then drive arc scraper blade 67 along 3 upper surface sliding of bearing plate to 8 directions in the chute of inclining, and then scrape the waste material by the 3 tops of bearing plate through arc scraper blade 67 and send to 8 departments in the chute of inclining, and then along 8 landing in the chute of inclining to collection workbin 71, thereby reach the effect of clearing up test waste, the utility model discloses can accomplish the clearance collection work to test waste, save the manpower, improve test efficiency.

It is noted that, herein, 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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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

1. The utility model provides a compressive strength test device for lightweight aggregate concrete, includes base (1), support column (2), bearing plate (3) and roof (4), the top symmetry of base (1) is fixed with support column (2), four the middle part of support column (2) is fixed with bearing plate (3), four the top of support column (2) is fixed with roof (4), its characterized in that: the upper surface of roof (4) is fixed with mechanism (5) of exerting pressure that is used for exerting pressure to the concrete experiment piece, the top of bearing plate (3) is fixed with clearance mechanism (6) that are used for clearing up experimental waste material, the top of base (1) is fixed with the mechanism (7) that gathers materials that are used for collecting experimental waste material.

2. The compressive strength test device for lightweight aggregate concrete according to claim 1, wherein: the pressing mechanism (5) comprises a threaded sleeve (51), a driven bevel gear (52), a first motor (53), a driving bevel gear (54), a screw (55), a pressing plate (56), a first sliding groove (57), a sliding hole (58), a sliding rod (59), a touch pressing plate (510) and a pressure sensor (511), the middle part of the upper surface of the top plate (4) is rotatably connected with the threaded sleeve (51) through a bearing, the driven bevel gear (52) is fixed on the outer wall of the upper end of the threaded sleeve (51), the first motor (53) is fixed on the upper surface of the top plate (4), the driving bevel gear (54) is fixed at the output end of the first motor (53), the driving bevel gear (54) is meshed with the driven bevel gear (52), the screw (55) is in threaded connection with the inner wall of the threaded sleeve (51), and the pressing plate (56) is fixed at the bottom of the screw (55) through the top plate (4), first spout (57) have been seted up to the four corners symmetry of clamp plate (56), clamp plate (56) are respectively through four first spout (57) and four support column (2) sliding connection, slide opening (58) have been seted up to the bottom symmetry of clamp plate (56), slide opening (58) inner wall sliding connection has slide bar (59), four slide bar (59)'s bottom is fixed with and touches clamp plate (510), the middle part of clamp plate (56) lower surface is fixed with pressure sensor (511).

3. The compressive strength test device for lightweight aggregate concrete according to claim 2, wherein: the cleaning mechanism (6) comprises racks (61), a sliding strip (62), a cleaning seat (63), a second sliding groove (64), a second motor (65), a gear (66), an arc-shaped scraper (67) and a limiting block (68), the racks (61) are symmetrically fixed at the top of the pressure bearing plate (3), the sliding strip (62) is fixed at one side of each rack (61), the cleaning seat (63) is connected to the inner sides of the two racks (61) in a sliding manner, the second sliding grooves (64) are symmetrically arranged at the two sides of the cleaning seat (63), the second sliding grooves (64) are slidably connected with the sliding strips (62), the bottom of the cleaning seat (63) is slidably connected with the top of the pressure bearing plate (3), the second motor (65) is symmetrically fixed at the top of the cleaning seat (63), the gear (66) is fixed at the output end of the second motor (65), and the gear (66) is meshed with the racks (61), one side that second motor (65) was kept away from in clearance seat (63) is fixed with arc scraper blade (67), and the top sliding connection of the bottom of arc scraper blade (67) and bearing plate (3), the both ends symmetry of rack (61) is fixed with stopper (68).

4. The compressive strength test device for lightweight aggregate concrete according to claim 1, wherein: aggregate mechanism (7) including gathering materials case (71), otic placode (72), fixing bolt (73) and screw hole (74), the top of base (1) is provided with gathers materials case (71), the bilateral symmetry of gathering materials case (71) is fixed with otic placode (72), the screw hole has been seted up at the middle part of otic placode (72), otic placode (72) have fixing bolt (73) through screw hole threaded connection, screw hole (74) have been seted up to the top symmetry of base (1), otic placode (72) and screw hole (74) threaded connection are passed to the bottom of fixing bolt (73).

5. The compressive strength test device for lightweight aggregate concrete according to claim 1, wherein: and one end of the pressure bearing plate (3) close to the material collecting box (71) is provided with a material pouring groove (8).

6. The compressive strength test device for lightweight aggregate concrete according to claim 3, wherein: the first motor (53) and the second motor (65) are both speed reducing motors.