CN210690583U

CN210690583U - Concrete slump testing arrangement

Info

Publication number: CN210690583U
Application number: CN201921601890.6U
Authority: CN
Inventors: 张翼
Original assignee: Chongqing Liansheng Construction Project Management Co Ltd
Current assignee: Chongqing Liansheng Construction Project Management Co Ltd
Priority date: 2019-09-24
Filing date: 2019-09-24
Publication date: 2020-06-05
Anticipated expiration: 2029-09-24

Abstract

The utility model discloses a concrete slump testing arrangement relates to concrete testing arrangement field, aims at solving the problem of the unable adaptability of current concrete testing arrangement adjustment its levelness, and its technical scheme main points are: including the bottom plate and place in a slump section of thick bamboo of bottom plate upper portion face, a slump section of thick bamboo is the taper pipe form, the upper shed diameter of a slump section of thick bamboo is less than the under shed diameter, a plurality of guiding mechanism of lower part face fixedly connected with of bottom plate, it is a plurality of guiding mechanism the vertical the central axis that guiding mechanism encircles the bottom plate distributes, guiding mechanism includes that fixed connection is in the stay tube of bottom plate lower part face, rotate and connect in the nut of tip under the stay tube and endotheca screw rod in the stay tube one, nut threaded connection is one in the screw rod, one is vertical setting and its lower extreme butt in ground for the screw rod. The utility model discloses can be in order to keep the level at the adjustment test platform's of adaptability levelness.

Description

Concrete slump testing arrangement

Technical Field

The utility model relates to a concrete test device, more specifically say, it relates to a concrete slump testing arrangement.

Background

The slump of concrete mainly refers to the plasticizing performance and the pumpability of concrete, and factors influencing the slump of concrete mainly include grading change, water content, weighing deviation of a weighing apparatus, the dosage of an additive and the like. The slump of the concrete particularly refers to the workability of the concrete, and the normal operation of construction is guaranteed, wherein the slump includes the water retention, the fluidity and the cohesiveness of the concrete. So that slump of concrete is necessary in the test during construction.

Slump test method: pouring concrete into a horn-shaped slump bucket with an upper opening of 100mm, a lower opening of 200mm and a height of 300mm for three times, uniformly impacting 25 times along the wall of the bucket from outside to inside by using a tamping hammer after each filling, tamping and leveling. Then the barrel is pulled up, the concrete generates the collapse phenomenon due to the dead weight, and the height of the highest point of the concrete after the collapse is subtracted by the barrel height (300mm), namely the slump. If the difference is 100mm, the slump is 100.

The slump test procedure requires attention to:

1. wetting a slump cone and a bottom plate, wherein no open water exists on the inner wall of the slump cone and the bottom plate;

2. the bottom plate is placed on a solid horizontal plane, the barrel is placed in the center of the bottom plate, and the slump barrel is kept in a fixed position during loading;

3. the lifting-off process of the slump cone is finished within 5-10S, and the whole process from the beginning of loading to the lifting-off process of the slump cone is continuously carried out and is finished within 150S.

However, when the existing concrete slump testing device needs to be tested outdoors or on a construction site, because the ground is relatively uneven, the levelness of the bottom plate can not be guaranteed, and the slump test result can be influenced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a concrete slump testing arrangement, its levelness that can the adjustment bottom plate of adaptability.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a concrete slump testing arrangement, includes the bottom plate and places in a slump section of thick bamboo of bottom plate upper portion face, a slump section of thick bamboo is the taper pipe form, the upper shed diameter of a slump section of thick bamboo is less than the under shed diameter, a plurality of guiding mechanism of lower part face fixedly connected with of bottom plate, it is a plurality of guiding mechanism encircles the vertical central axis distribution of bottom plate, guiding mechanism includes that fixed connection is in the stay tube of bottom plate lower part face, rotates and connects in nut and the endotheca of tip under the stay tube screw rod one, nut threaded connection is one in screw rod, one is vertical setting and its lower extreme butt in ground for the screw rod.

Through adopting above-mentioned technical scheme, when placing the slump section of thick bamboo on the bottom plate, when the levelness of the upper portion face of bottom plate needs to be adjusted, only need to rotate different guiding mechanism's nut and make the nut slide from top to bottom along screw rod one to change the height on bottom plate apart from ground, thereby adjust the levelness of bottom plate.

The utility model discloses further set up to: and a plurality of rotating rods extending along the radial direction of the nut are fixedly connected to the outer ring surrounding the nut.

Through adopting above-mentioned technical scheme, the bull stick can assist and rotate the nut for it is lighter relatively to rotate the nut.

The utility model discloses further set up to: the lower end surrounding the first screw rod is fixedly connected with a plurality of support legs, and the end part of each support leg far away from the first screw rod extends towards the ground in an inclined mode and then horizontally extends towards the direction far away from the first screw rod.

Through adopting above-mentioned technical scheme for the screw rod is through a plurality of stabilizer blades and ground contact, area of contact that can effectual increase and ground, thereby when making the bottom plate pass through guiding mechanism and supporting, relatively more stable.

The utility model discloses further set up to: the lower end of the first screw rod is provided with a lantern ring between the support legs, the support legs are fixedly connected to the lantern ring, and the lantern ring is hinged to the lower end of the first screw rod in a ball mode.

Through adopting above-mentioned technical scheme for when the ground that the roughness is different, the lantern ring can carry out the deflection of different angles relative screw rod one, with the ground that adapts to different positions, the effectual adaptability that has increased guiding mechanism to ground, the result of use is better relatively.

The utility model discloses further set up to: the edge of the bottom plate is fixedly connected with a level gauge.

Through adopting above-mentioned technical scheme, the spirit level can be relatively artifical observe more accurate levelness to the bottom plate and measure, can be relatively more accurate according to the spirit level adjust the bottom plate for the levelness of bottom plate is better relatively.

The utility model discloses further set up to: two clamping mechanisms for fixing the slump cone are symmetrically arranged on the central axis of the slump cone.

Through adopting above-mentioned technical scheme, when carrying out the slump test, need reduce the horizontal slippage of the relative bottom plate of slump section of thick bamboo, grasp the slump section of thick bamboo through even a fixture with a slump section of thick bamboo to reduce the displacement of the relative bottom plate of slump section of thick bamboo on the horizontal direction.

The utility model discloses further set up to: fixture is including being screw rod two, the fixed connection that the level set up in the bottom plate mount pad with rotate connect in screw rod two towards the holder of bottom plate center one end, two threaded connection in the mount pad of screw rod, the holder is the semicircle ring-shaped and its opening towards the slump section of thick bamboo, two fixture's holder hoops the lower part of a slump section of thick bamboo.

Through adopting above-mentioned technical scheme, two threaded connection of screw rod are in the mount pad, when carrying out the slump test, rotate screw rod two and can make its relative mount pad carry out axial displacement to can promote the holder and move towards the slump section of thick bamboo, so that two holders embrace the lower part of a slump section of thick bamboo and hoop, make the relative bottom plate of slump section of thick bamboo fixed, in order to reduce the horizontal displacement of the relative bottom plate of slump section of thick bamboo.

The utility model discloses further set up to: the bottom plate fixedly connected with is the scale pole of vertical setting, the scale pole engraves the scale that is used for height-measuring, the scale pole slides and is connected with the test bar that is the level setting, the scale pole rotates with the scale pole to be connected, the test bar can be followed the vertical slip of scale pole and the rotation plane of test bar is the level, the upper end of scale pole is higher than a slump section of thick bamboo.

Through adopting above-mentioned technical scheme, can slide the test rod towards upper portion before experimental and rotate it, make the test rod keep away from the part overlap joint of scale pole in the up end of a slump section of thick bamboo, measure the height of the relative bottom plate upper portion face of a slump section of thick bamboo, make the test rod keep away from the part of scale pole and laminate in the top of concrete sample after the experiment is accomplished, measure the height of the relative upper portion face of bottom plate after the concrete sample slump, the difference in height that two tests were come out is the slump of concrete sample.

The utility model discloses further set up to: an adaptive feeding funnel is inserted into an upper opening of the slump cone.

Through adopting above-mentioned technical scheme, when carrying out the test experiment, accessible pan feeding funnel is leading-in with the concrete to the slump section of thick bamboo in, reduces the concrete sample of scattering on the bottom plate for the result of use is better relatively.

To sum up, the utility model discloses following beneficial effect has:

1. when the ground is different, the nut can be rotated to enable the nut to slide up and down relative to the screw rod I, the lower end part of the supporting tube is rotatably connected to the nut, the height of the lower end part of the supporting tube relative to the ground can be effectively changed through the nut, so that the distance between different positions of the bottom plate and the ground is changed to adjust the levelness of the bottom plate, meanwhile, the lower end of the screw rod is hinged with a lantern ring, and the outer ring of the lantern ring is fixedly connected with a plurality of supporting legs, so that when the ground is different in flatness, the lantern ring of the screw rod I and the ball hinge can deflect adaptively, and the adjusting mechanism can relatively;

2. through setting up in two fixture of the upper portion face of bottom plate, when carrying out the slump test experiment, can grasp a slump section of thick bamboo for the rigidity of the relative bottom plate of slump section of thick bamboo, the effectual displacement volume that reduces its relative bottom plate on the horizontal direction makes the experiment effect better relatively, has further optimized the result of use.

Drawings

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

fig. 2 is an enlarged view of a portion a of fig. 1, and is mainly used for showing the structure of the adjusting mechanism.

In the figure: 1. a base plate; 11. a level gauge; 12. a scale bar; 121. pipe rotation; 13. a test rod; 2. a slump cone; 21. a feeding funnel; 22. a lifting bar; 3. an adjustment mechanism; 31. supporting a tube; 32. a nut; 321. a rotating rod; 33. a first screw rod; 331. a support leg; 332. a collar; 4. a clamping mechanism; 41. a second screw; 411. rotating the handle; 42. a mounting seat; 43. a clamping member.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

Concrete slump testing arrangement, refer to fig. 1, including bottom plate 1 and place in the slump section of thick bamboo 2 of 1 upper portion face of bottom plate, slump section of thick bamboo 2 is the taper pipe form, and wherein the upper end opening diameter of slump section of thick bamboo 2 is less than lower extreme opening diameter.

The upper opening of slump section of thick bamboo 2 inserts the pan feeding funnel 21 that is equipped with the adaptation, and the lateral part wall fixed connection of slump section of thick bamboo 2 has a plurality of lifting rods 22 that are used for its promotion. The lift lever 22 is U-shaped and both vertical ends of the U-shape are fixedly connected to the side wall surfaces of the slump cone 2.

A plurality of adjusting mechanisms 3 for adjusting the levelness thereof are provided around the vertical central axis of the bottom plate 1.

Referring to fig. 1 and 2, the adjusting mechanism 3 includes a support tube 31 fixedly connected to the lower plate surface of the base plate 1, a nut 32 rotatably connected to the lower end of the support tube 31, and a first screw 33 inserted into the support tube 31. The support pipe 31 and the first screw rod 33 are vertically arranged, and the nut 32 is in threaded connection with the first screw rod 33.

In which a plurality of rotation rods 321 extending in a radial direction thereof are fixedly coupled to an outer ring surrounding the nut 32.

The lower end of the first screw rod 33 is hinged with a lantern ring 332 in a spherical mode, and a plurality of supporting feet 331 are fixedly connected to the outer ring edge of the lantern ring 332 in a surrounding mode. The end of the leg 331 remote from the collar 332 extends first obliquely towards the ground and then horizontally radially away from the collar 332, wherein the leg 331 is a plate-like material.

Referring to fig. 1 and 2, a level 11 for testing the levelness of the base plate 1 is fixedly connected to the edge thereof.

The upper plate surface of the bottom plate 1 is provided with two clamping mechanisms 4 for clamping the slump cone 2, and the two clamping mechanisms 4 are symmetrically arranged about the central axis of the slump cone 2.

The clamping mechanism 4 comprises a second screw rod 41 arranged horizontally, a mounting seat 42 fixedly connected to the bottom plate 1 and a clamping piece 43 rotatably connected to the end part of the second screw rod 41 facing the slump cone 2. Screw rod two 41 is screwed to mounting seat 42, and the central axis of screw rod two 41 passes through the central axis of slump cone 2. The clamp 43 is semicircular and opens toward the slump cone 2. The central axis of the second screw rod 41 passes through the center of the clamping piece 43.

Referring to fig. 1 and 2, the clamp 43 of the two clamp mechanisms 4 clamps the lower part of the slump cone 2, the end of the second screw 41 far away from the slump cone 2 extends towards the direction far away from the slump cone 2, and the end of the second screw 41 far away from the slump cone 2 is fixedly connected with a rotating handle 411 for rotating the second screw 41. Wherein the rotary handle 411 can be a plum blossom handle.

A vertically extending scale rod 12 is fixedly connected to the side of the base plate 1, and the scale rod 12 is engraved with scales for measuring height. The scale rod 12 is connected with a test rod 13 which can vertically slide in a sliding manner, the test rod 13 is horizontally arranged, one end of the test rod is rotatably connected to the scale rod 12, and the rotating plane of the test rod 13 is horizontally arranged.

Referring to fig. 1 and 2, the testing rod 13 is rotatably connected to the end of the scale rod 12 and fixedly connected with a rotating tube 121 adapted to the scale rod 12, and the rotating tube 121 is sleeved on the scale rod 12.

Wherein the upper end of the scale rod 12 is higher than the upper end face of the slump cone 2.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a concrete slump testing arrangement, includes bottom plate (1) and places in a slump section of thick bamboo (2) of bottom plate (1) upper portion face, slump section of thick bamboo (2) are the taper pipe form, the upper shed diameter of a slump section of thick bamboo (2) is less than under shed diameter, its characterized in that: the lower part face fixedly connected with of bottom plate (1) a plurality of guiding mechanism (3), it is a plurality of guiding mechanism (3) encircle the vertical central axis distribution of bottom plate (1), guiding mechanism (3) include fixed connection in stay tube (31) of bottom plate (1) lower part face, rotate and connect in nut (32) of stay tube (31) lower tip and endotheca screw rod (33) in stay tube (31), nut (32) threaded connection is in screw rod (33), screw rod (33) are vertical setting and its lower extreme butt in ground.

2. The concrete slump testing device according to claim 1, wherein: a plurality of rotating rods (321) extending along the radial direction of the nut (32) are fixedly connected with the outer ring surrounding the nut.

3. The concrete slump testing device according to claim 2, wherein: a plurality of support legs (331) are fixedly connected to the lower end of the first screw rod (33) in a surrounding mode, and the end portion, far away from the first screw rod (33), of each support leg (331) extends towards the ground in an inclined mode and then horizontally extends towards the direction far away from the first screw rod (33).

4. The concrete slump testing device according to claim 3, wherein: a lantern ring (332) is arranged between the support legs (331) and the lower end of the first screw rod (33), the support legs (331) are fixedly connected to the lantern ring (332), and the lantern ring (332) is hinged to the lower end of the first screw rod (33) in a ball mode.

5. The concrete slump testing device according to claim 4, wherein: the edge of the bottom plate (1) is fixedly connected with a level gauge (11).

6. The concrete slump testing device according to claim 5, wherein: two clamping mechanisms (4) for fixing the slump cone (2) are symmetrically arranged around the central axis of the slump cone.

7. The concrete slump testing device according to claim 6, wherein: fixture (4) including screw rod two (41), the fixed connection that is the level setting in bottom plate (1) mount pad (42) and rotate connect in screw rod two (41) towards holder (43) of bottom plate (1) center one end, screw rod two (41) threaded connection in mount pad (42), holder (43) are the semicircle ring-shaped and its opening towards slump section of thick bamboo (2), two holder (43) of fixture (4) are hooped the lower part of slump section of thick bamboo (2).

8. The concrete slump testing device according to claim 1, wherein: bottom plate (1) fixedly connected with is scale pole (12) of vertical setting, scale pole (12) engrave and have the scale that is used for height of measurement, scale pole (12) slide and are connected with test bar (13) that are the level setting, scale pole (12) rotate with scale pole (12) and are connected, test bar (13) can be followed the vertical rotation plane of sliding of scale pole (12) and test bar (13) and be the level, the upper end of scale pole (12) is higher than slump section of thick bamboo (2).

9. The concrete slump testing device according to claim 1, wherein: an adaptive feeding funnel (21) is inserted into an upper opening of the slump cone (2).