CN214622405U - Freezing and thawing test box - Google Patents

Abstract

The utility model relates to a freeze thawing test box, the power distribution box comprises a box body, the inside of box is vertical has been seted up and has been held the groove, the box corresponds and is provided with concrete test piece case in the groove, the box corresponds the upside that holds the groove and is provided with the apron, the box corresponds the equal rigid coupling in both sides that holds the groove and has two bracing pieces one, slide on two bracing pieces one and be connected with a plurality of axis direction vertically gag lever posts with bracing piece one, the both ends of each gag lever post all are provided with the equal butt of tip in the bolt one of bracing piece, the both sides of each gag lever post all slide and are connected with a plurality of sliding blocks that can tend to the direction motion of keeping away from the gag lever post. Each gag lever post that this application set up, the motion of each gag lever post can make the equal butt in concrete sample case in one side of gag lever post, and then fixed concrete sample case, and the sliding motion of each sliding block can make each sliding block butt in concrete sample case simultaneously, further presss from both sides tight concrete sample case.

Description

Freezing and thawing test box

Technical Field

The application relates to test equipment for measuring the frost resistance of concrete, in particular to a freeze-thaw test box.

Background

The concrete is required to be tested in various performances in the preparation process, and if the performances meet the national standard, the concrete can be prepared in batches for use in various buildings, wherein the frost resistance is one of concrete tests, the frost resistance of the concrete is tested, and the concrete test piece needs to be tested by simulating the changes of temperature and humidity in the four seasons of the nature, which is called a freeze-thaw test.

The present can refer to the chinese utility model patent that the grant bulletin number is CN203745463U, it discloses a quick freeze thawing and unilateral freeze thawing all-in-one testing machine, its structure mainly includes the box, be provided with test piece case in the box, heating device, refrigerating plant and water pump, heating device passes through pipeline and test piece incasement portion, the water pump is linked together, water pump and refrigerating plant link to each other through another pipeline, refrigerating plant is linked together through another pipeline with the test piece case, be equipped with two infrared ray sensor that highly differ at least in the inner wall of test piece case.

In view of the above related technologies, the inventor thinks that placing the concrete sample in the sample box easily causes the concrete sample to move during the transportation process of the sample box, and then damages the concrete sample, further causes the freeze-thaw result of the concrete sample to be inaccurate.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that concrete sample takes place to remove, this application provides a freeze thawing test case.

The application provides a freeze thawing test box adopts following technical scheme:

the utility model provides a freeze thawing test box, includes the box, the inside of box is vertical has seted up and has held the groove, the box corresponds and holds the inslot and be provided with concrete sample case, the box corresponds the upside that holds the groove and is provided with the apron, the box corresponds the equal rigid coupling in both sides that holds the groove and has two bracing pieces one, two it is connected with a plurality of axis direction vertically gag lever posts with bracing piece one to slide on the bracing piece one, each the both ends of gag lever post all are provided with the equal butt of tip in the bolt one of bracing piece, each the both sides of gag lever post all slide and are connected with a plurality of sliding blocks that can tend to the direction motion of keeping away from the gag lever post.

Through adopting above-mentioned technical scheme, each bolt is unscrewed one, removes each gag lever post, and the motion of each gag lever post can make the equal butt in concrete sample case of one side of gag lever post, then screws up bolt one, and then fixes each gag lever post, and the gliding motion of each sliding block can make each sliding block butt in concrete sample case simultaneously, further presss from both sides tight concrete sample case, and the setting of gag lever post and sliding block also makes things convenient for taking out of concrete sample case simultaneously.

Optionally, the bottoms of the two ends of each limiting rod are provided with grooves, one side, away from each other, of each supporting rod is provided with a sliding groove, and the positions, corresponding to the sliding grooves, of the grooves of each limiting rod are fixedly connected with fixing blocks capable of being connected in the sliding grooves in a sliding mode.

Through adopting above-mentioned technical scheme, the setting of recess makes things convenient for the gag lever post to carry out the sliding motion on two bracing pieces one, and the setting of fixed block prevents that the gag lever post from breaking away from bracing piece one, and then the going on of inconvenient follow-up work.

Optionally, clamping grooves are formed in two sides of each limiting rod, each sliding block is connected in each clamping groove in a sliding mode, and a first spring is arranged in each clamping groove, and the axis direction of the first spring is parallel to the axis direction of the first supporting rod.

Through adopting above-mentioned technical scheme, the draw-in groove provides the guide effect for the motion of sliding block, and under the normality, each spring all promotes the direction motion that the sliding block tended to keep away from each other, makes things convenient for the motion of sliding block.

Optionally, the concrete sample box is arranged in a cuboid shape, the concrete sample box comprises a bottom plate, two ends and two sides of the bottom plate are hinged with side plates, and a limiting assembly is sleeved on the outer peripheral surface of the concrete sample box.

Through adopting above-mentioned technical scheme, the concrete test piece case is formed by bottom plate and curb plate equipment, makes things convenient for taking out of concrete test block, can fix the curb plate for the subassembly simultaneously now, prevents the motion of curb plate.

Optionally, the limiting assembly comprises four connecting rods, the three connecting rods are sequentially hinged together end to end, one end of the other connecting rod is hinged to one connecting rod, and the other end of the other connecting rod is detachably connected to the other connecting rod.

Through adopting above-mentioned technical scheme, can dismantle the connection between the double-phase adjacent connecting rod in the spacing subassembly, make things convenient for opening of concrete test piece case, at first open spacing subassembly, then can open each curb plate of concrete test piece case, make things convenient for taking out of concrete formula appearance.

Optionally, a through hole is formed in each of the first connecting rod and the adjacent connecting rod, a second bolt penetrates through each of the through holes, and a nut is connected to the end portion of the second bolt in a threaded manner.

Through adopting above-mentioned technical scheme, unscrew the nut, open spacing subassembly, then expand each curb plate, and then conveniently take out the concrete sample, and equally, screw up the nut, can realize being fixed in the concrete sample incasement with the concrete sample.

Optionally, two supporting rods II are fixedly connected to the upper side corresponding to the two supporting rods I in the box body, a plurality of positioning rods are arranged on the supporting rods II, and two ends of each positioning rod are provided with bolts II of which the end parts can abut against the supporting rods II.

Through adopting above-mentioned technical scheme, unscrew bolt two, remove each locating lever, and then change the distance between each locating lever, make each locating lever press from both sides tight concrete test piece case, then screw up bolt one, and then fix each gag lever post.

Optionally, both sides of each positioning rod are connected with a plurality of sliding blocks in a sliding manner, both sides of each positioning rod are provided with a second spring, one end of each second spring is fixedly connected to the positioning rod, and the other end of each second spring is fixedly connected to the sliding block.

Through adopting above-mentioned technical scheme, under the normality, each spring two all promotes the direction motion that the slider trend was kept away from each other, and then can press from both sides tight concrete test chamber, further supplementary gag lever post fixed concrete test chamber.

In summary, the present application includes at least one of the following beneficial technical effects:

1. each gag lever post that this application set up, the motion of each gag lever post can make the equal butt in concrete sample case in one side of gag lever post, and then fixed concrete sample case, and the sliding motion of each sliding block can make each sliding block butt in concrete sample case simultaneously, further presss from both sides tight concrete sample case.

2. Each locating lever that this application set up, one side butt in concrete sample case that the motion of each locating lever can make the locating lever, further supplementary gag lever post fixes concrete sample case.

Drawings

Fig. 1 is a schematic structural diagram of a freeze-thaw test chamber according to an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a protruding capacity groove of a freeze-thaw test chamber according to an embodiment of the present application.

Fig. 3 is a cross-sectional view of a freeze-thaw test chamber highlighting a first support rod according to an embodiment of the present application.

Fig. 4 is an enlarged view of a in fig. 3.

FIG. 5 is a cross-sectional view of a freeze-thaw test chamber highlighting a concrete specimen chamber according to an embodiment of the present application.

Fig. 6 is an enlarged view of B in fig. 3.

Fig. 7 is a cross-sectional view of a highlighted side panel of a freeze-thaw test chamber according to an embodiment of the present application.

Fig. 8 is an enlarged view of C in fig. 3.

Fig. 9 is a cross-sectional view of a highlighted support rod II of a freeze-thaw test chamber according to an embodiment of the present application.

Fig. 10 is an enlarged view of D in fig. 9.

In the figure: 1. a box body; 11. a containing groove; 111. a cover plate; 12. a first supporting rod; 121. a sliding groove; 13. a limiting rod; 131. a groove; 132. a fixed block; 133. a first bolt; 14. a sliding block; 141. a card slot; 142. a first spring; 15. a concrete sample box; 151. a base plate; 152. a side plate; 16. a limiting component; 161. a connecting rod; 162. a second bolt; 163. a nut; 17. a second supporting rod; 171. a limiting groove; 18. positioning a rod; 181. a slot; 182. a bearing block; 183. a third bolt; 19. a slider; 191. a chute; 192. and a second spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-10.

The embodiment of the application discloses a freeze-thaw test box.

Referring to fig. 1 and 2, a freeze-thaw test box, includes box 1, and box 1 is the setting of cuboid form, and the inside of box 1 is vertical has been seted up and has been held groove 11, holds the vertical setting up of notch in groove 11, and box 1 corresponds the upside that holds groove 11 and is provided with apron 111, and one side of apron 111 articulates in holding groove 11, and one side hasp connection of apron 111 in box 1, and the control panel in control box 1 performance parameter is still installed to one side of box 1.

Referring to fig. 2, two first support rods 12 are fixedly connected to two sides of the case 1 corresponding to the accommodating groove 11, the length directions of the two first support rods 12 are parallel to the length direction of the case 1, a plurality of limiting rods 13 are arranged on the two first support rods 12, and the length direction of each limiting rod 13 is perpendicular to the length direction of the first support rod 12.

Referring to fig. 3 and 4, the bottoms of the two ends of each limiting rod 13 are respectively provided with a groove 131, the notches of the grooves 131 are arranged downward, one end of each groove 131 extends out of one side of each limiting rod 13, the grooves 131 on the two sides of each limiting rod 13 are connected to the two first supporting rods 12 in a sliding manner, the sliding grooves 121 are arranged on one sides of the two first supporting rods 12 away from each other, the length directions of the two sliding grooves 121 are parallel to the length directions of the two first supporting rods 12, the positions of the grooves 131 of each limiting rod 13 corresponding to the sliding grooves 121 are fixedly connected with fixing blocks 132, one side of each fixing block 132 is flush with one side of each limiting rod 13, each fixing block 132 is connected to the sliding grooves 121 in a sliding manner, and the fixing blocks 132 are arranged to prevent the limiting rods 13 from separating from the first supporting rods 12, so that subsequent work is inconvenient.

Referring to fig. 4, two ends of each limiting rod 13 are respectively in threaded connection with a first vertically-arranged bolt 133, the end of each bolt 133 abuts against the first support rod 12, when the device works, the first bolts 133 are unscrewed, the limiting rods 13 are moved, the distance between the limiting rods 13 is changed, then the first bolts 133 are screwed, and the limiting rods 13 are fixed.

Referring to fig. 5 and 6, both sides of each limiting rod 13 are connected with a plurality of sliding blocks 14 in a sliding manner, both sides of each limiting rod 13 are provided with clamping grooves 141, one end of each clamping groove 141 extends out of one side of each limiting rod 13, each sliding block 14 is connected in each clamping groove 141 in a sliding manner, each clamping groove 141 is internally provided with a first spring 142, the axial direction of each first spring 142 is parallel to the axial direction of the first support rod 12, one end of each first spring 142 is fixedly connected to the clamping groove 141, the other end of each first spring 142 is fixedly connected to the sliding block 14, and in a normal state, each first spring 142 pushes the sliding block 14 to move in a direction away from each other.

Referring to fig. 4 and 5, the concrete sample box 15 is disposed in the corresponding containing groove 11 of the box body 1, the concrete sample box 15 is disposed in a rectangular shape, the concrete sample box 15 includes a bottom plate 151, the bottom plate 151 is disposed in a rectangular shape, two ends and two sides of the bottom plate 151 are hinged with side plates 152, each side plate 152 is disposed in a rectangular shape, each side plate 152 is disposed vertically, meanwhile, the bottom plate 151 is matched to form a rectangular accommodating box, the limiting component 16 is sleeved on the outer peripheral surface of the concrete sample box 15, the limiting component 16 comprises four connecting rods 161, the three connecting rods 161 are sequentially hinged together end to end, one end of the other connecting rod 161 is hinged to one connecting rod 161, in this embodiment, the other connecting rod 161 and the adjacent connecting rod 161 are both provided with through holes, two bolts 162 penetrate through the two through holes, and the end part of each bolt 162 is connected with a nut 163 in a threaded manner; during the use, unscrew nut 163, open spacing subassembly 16, then expand each curb plate 152, and then conveniently take out the concrete sample, in the same way, screw up nut 163, can realize being fixed in the concrete sample case 15 with the concrete sample.

Referring to fig. 2, two support rods 17 are fixedly connected to two ends of the upper side of the first support rod 12 in the box body 1, the length directions of the two support rods 17 are all parallel to the length direction of each limiting rod 13, a plurality of positioning rods 18 are arranged on the two support rods 17, and the length direction of each positioning rod 18 is all parallel to the length direction of the first support rod 12.

Referring to fig. 7 and 8, slots 181 have all been seted up to the both ends bottom of each locating lever 18, the notch of each slot 181 all sets up down, and the one end of each slot 181 all extends one side of locating lever 18, the slot 181 of each locating lever 18 both sides all slides and connects on two supporting rod 17, spacing groove 171 has all been seted up to one side that two supporting rod 17 kept away from each other, the length direction of two spacing grooves 171 all is on a parallel with the length direction of two supporting rod 17, the equal rigid coupling in spacing groove 171 position department of slot 181 of each locating lever 18 has carrier block 182, one side of each carrier block 182 all wants to flush with one side of locating lever 18, each carrier block 182 all slides and connects in spacing groove 171, carrier block 182's setting prevents that locating lever 18 from breaking away from two supporting rod 17, and then inconvenient locating lever 18 presss from both sides tight concrete sample case 15.

Referring to fig. 8, two ends of each positioning rod 18 are respectively in threaded connection with a vertically arranged third bolt 183, the end of each third bolt 183 abuts against the second support rod 17, and during operation, the third bolts 183 are unscrewed, the positioning rods 18 are moved, the distance between the positioning rods 18 is changed, the positioning rods 18 are enabled to clamp the concrete sample box 15, and then the first bolts 133 are tightened, so that the limiting rods 13 are fixed.

Referring to fig. 9 and 10, each locating lever 18 is connected with a plurality of sliders 19 in a sliding manner on two sides, sliding grooves 191 are formed in two sides of each locating lever 18, one end of each sliding groove 191 extends out of one side of each locating lever 18, each slider 19 is connected in each sliding groove 191 in a sliding manner, each sliding groove 191 is internally provided with a second spring 192, the axis direction of each second spring 192 is parallel to the axis direction of the second supporting rod 17, one end of each second spring 192 is fixedly connected to the sliding groove 191, the other end of each second spring 192 is fixedly connected to the slider 19, and in a normal state, each second spring 192 pushes the slider 19 to move towards a direction away from each other, so that the concrete test piece box 15 can be clamped.

During specific implementation, the concrete sample box 15 is placed in the containing groove 11 in the box body 1, the limiting rods 13 are moved, the two sides of each limiting rod 13 are abutted to the two sides of the concrete sample box 15, the first bolts 133 are unscrewed, the limiting rods 13 are fixed, meanwhile, the first springs 142 push the sliding blocks 14 to move in the direction away from each other, and the sliding blocks 14 are abutted to the two sides of the concrete sample box 15.

And the third bolt 183 is unscrewed, the positioning rods 18 are moved, the distance between the positioning rods 18 is further changed, the positioning rods 18 clamp the concrete sample box 15, and the second springs 192 push the sliding blocks 19 to move in the direction away from each other, so that the concrete sample box 15 can be clamped.

When dismantling concrete sample case 15, unscrew nut 163, open spacing subassembly 16, then expand each curb plate 152, and then conveniently take out the concrete sample, likewise, screw up nut 163, can realize being fixed in concrete sample case 15 with the concrete sample.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a freeze thawing test box, includes box (1), the inside of box (1) is vertical has been seted up and has been held groove (11), box (1) is provided with concrete test piece case (15) in holding groove (11) correspondingly, box (1) is provided with apron (111) corresponding the upside that holds groove (11), its characterized in that: the equal rigid coupling in both sides that box (1) correspond and hold groove (11) has two bracing piece (12), two slide on bracing piece (12) and be connected with a plurality of axis direction vertically gag lever post (13) with bracing piece (12), each the both ends of gag lever post (13) all are provided with the equal butt of tip in the bolt (133) of bracing piece (12), each the both sides of gag lever post (13) all slide and are connected with a plurality of sliding block (14) that can tend to the direction motion of keeping away from gag lever post (13).

2. A freeze-thaw test chamber according to claim 1, wherein: the bottoms of the two ends of each limiting rod (13) are respectively provided with a groove (131), one side, away from each other, of each supporting rod (12) is respectively provided with a sliding groove (121), and the positions, corresponding to the sliding grooves (121), of the grooves (131) of each limiting rod (13) are fixedly connected with fixing blocks (132) which can be connected in the sliding grooves (121) in a sliding mode.

3. A freeze-thaw test chamber according to claim 1, wherein: clamping grooves (141) are formed in two sides of each limiting rod (13), each sliding block (14) is connected into each clamping groove (141) in a sliding mode, and a first spring (142) with the axis direction parallel to the axis direction of the first supporting rod (12) is arranged in each clamping groove (141).

4. A freeze-thaw test chamber according to claim 1, wherein: concrete test piece case (15) are the cuboid form setting, concrete test piece case (15) include a bottom plate (151), the both ends and the both sides of bottom plate (151) all articulate there is curb plate (152), the outer peripheral face cover of concrete test piece case (15) is equipped with spacing subassembly (16).

5. A freeze-thaw test chamber according to claim 4, wherein: the limiting assembly (16) comprises four connecting rods (161), three connecting rods (161) are sequentially hinged together end to end, one end of each connecting rod (161) is hinged to one connecting rod (161), and the other end of each connecting rod (161) is detachably connected to the other connecting rod (161).

6. A freeze-thaw test chamber according to claim 5, wherein: one connecting rod (161) and adjacent connecting rod (161) all seted up the through-hole, two all wear to be equipped with bolt two (162) in the through-hole, the tip threaded connection of bolt two (162) has nut (163).

7. A freeze-thaw test chamber according to claim 1, wherein: the upper side corresponding to the first two supporting rods (12) in the box body (1) is fixedly connected with a second two supporting rods (17), a plurality of positioning rods (18) are arranged on the second two supporting rods (17), and two ends of each positioning rod (18) are provided with a second bolt (162) of which the end part can abut against the second supporting rod (17).

8. A freeze-thaw test chamber according to claim 7, wherein: two sides of each positioning rod (18) are connected with a plurality of sliding blocks (19) in a sliding mode, two sides of each positioning rod (18) are provided with a second spring (192), one end of each second spring (192) is fixedly connected to the positioning rod (18), and the other end of each second spring (192) is fixedly connected to the sliding block (19).

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