CN211993451U

CN211993451U - Concrete sample preparation plain bumper

Info

Publication number: CN211993451U
Application number: CN202020351449.3U
Authority: CN
Inventors: 陈洪波; 滕明祥; 程武
Original assignee: Suining Antong Commercial Concrete Co ltd
Current assignee: Suining Antong Commercial Concrete Co ltd
Priority date: 2020-03-19
Filing date: 2020-03-19
Publication date: 2020-11-24
Anticipated expiration: 2030-03-19

Abstract

The utility model relates to a concrete sample jolt ramming platform, which relates to the field of concrete experimental equipment and comprises a mould box, a vibrating table for placing the mould box, a clamping mechanism for clamping the mould box, a spring, a driving mechanism for driving the vibrating table to vibrate, and an installation platform for installing the driving mechanism and the spring, wherein the bottom surface of the mould box is uniformly provided with a supporting nail, the middle part of the bottom surface of the mould box is provided with a convex blind rivet, and one end of the blind rivet, which is far away from the bottom surface of the mould box, is fixed with a flange; the shaking table middle part is opened there is a frustum shape locating hole, wears to establish a pull rod in the locating hole, and the pull rod is close to shaking table one end and is provided with the chuck of a frustum shape, and the pull rod other end articulates in transition rod one end to the pull rod forms an acute angle with the transition rod, and the transition rod other end articulates in push rod one end, and the push rod is worn to locate the perforation and is stretched out the via hole, and push rod excircle surface is provided with the screw thread, is close to a dog department threaded connection lock nut on the push rod. It has the advantage of being able to fix the position of the mould box.

Description

Concrete sample preparation plain bumper

Technical Field

The utility model belongs to the technical field of the concrete experimental facilities and specifically relates to a concrete system appearance plain bumper is related to.

Background

With the development of modern building industry, the development of modular construction in the industry requires that the required concrete structure is prefabricated and molded. The prefabricated building machinery is commonly used as a concrete vibration platform at present, and the concrete vibration platform is used for test piece forming in laboratories and on-site construction sites and compaction forming of various prefabricated components such as plate columns, beams and other concrete components.

The prior art references the utility model patent with the publication number CN209954889U, the utility model discloses a concrete system appearance plain bumper, shaking table and platform chassis including relative upper and lower setting, link to each other through a plurality of springs between shaking table and the platform chassis, the bottom of shaking table is provided with vibrating motor, the shaking table includes relative platen and base from top to bottom, it is together fixed through two at least fixtures between platen and the base, fixtures include that the relative pothook of mirror image and the relative pothook of control are close to or the control of keeping away from, the pothook is "L" shape, the pothook includes joint section and linkage segment, the joint section of relative pothook laminates the bottom surface at the upper surface of platen and base respectively, the linkage segment of relative pothook links to each other with the control respectively, the draw-in groove has been seted up to the surface of platen and base and the relative position of joint section, be provided with the latch that stretches into in the draw-in groove in the joint section. The utility model discloses a have when the surface of shaking table takes place to damage, warp, can dismantle the platen of shaking table from the base and get off and change the advantage.

The prior art described above has the following drawbacks: in the vibration process, the mould box can take place the condition of skew shaking table intermediate position, leads to the mould box to remove shaking table edge, and the in-process of adding the concrete in constantly to the mould box receives under the action of gravity, and the slope of vibrations platform causes the mould box to take place the slope, finally leads to prefabricated concrete sample shape to change.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a concrete system appearance plain bumper, it has the advantage that can fix the mould box position.

The above object of the present invention can be achieved by the following technical solutions:

a concrete sample preparation compaction table comprises a mould box, a vibrating table for placing the mould box, a clamping mechanism for clamping the mould box, a spring, a driving mechanism for driving the vibrating table to vibrate, and an installation platform for installing the driving mechanism and the spring, wherein the installation platform is a flat plate; the outer side of the bottom surface of the die box is uniformly provided with supporting nails, the middle part of the outer side of the bottom surface of the die box is provided with a raised blind rivet, and one end of the blind rivet, which is far away from the bottom surface of the die box, is fixed with a flange; the middle part of one side of the vibration table close to the ground is vertically provided with two parallel end lugs, the two end lugs are arranged in a neutral symmetry manner relative to the axis of the connecting rod, the end lug is provided with a through hole, a shaft hole is arranged right below the through hole, the edge of one side of the vibration table close to the ground is fixedly provided with a stop block which is perpendicular to the vibration table and parallel to the end lug, and the stop block is provided with a through hole which is coaxial with the through hole; the utility model discloses a vibration table, including shaking table, draw bar, transition bar, push rod, baffle plate, the shaking table middle part is opened there is frustum shape locating hole, wear to establish a pull rod in the locating hole, the pull rod is close to shaking table one end and is provided with the chuck of a frustum shape, and the pull rod other end pin joint is in transition bar one end to the pull rod forms an acute angle with the transition bar, and the transition bar other end articulates in push rod one end, and the push rod is worn to locate to perforate and is stretched out the via hole, push rod excircle surface is.

By adopting the technical scheme, the locking nut is screwed, the pull rod slides, the pull nail is connected through the pull rod of the clamping mechanism, the outline of the pull rod chuck is matched with the positioning hole, the mold box is fixed at the position of the gravity center of the vibrating table, the concrete pouring surface is kept parallel to the bottom surface in the vibrating process, and the problem of uneven quality distribution of a poured product is solved.

The present invention may be further configured in a preferred embodiment as: a boss is arranged on one side, away from the ground, of the vibrating table, and a conical positioning hole is formed in the boss along the axis.

Through adopting above-mentioned technical scheme, at the in-process of concreting and vibration, the concrete splashes to the shaking table, can avoid the concrete to flow into the locating hole, causes the condition of locating hole jam.

The present invention may be further configured in a preferred embodiment as: the taper of the chuck is larger than that of the positioning hole.

Through adopting above-mentioned technical scheme, when the chuck tapering was greater than the locating hole tapering, the chuck could keep open the state under the original condition, and the blind rivet just can be put into the chuck inside, could realize the clamping process of chuck.

The present invention may be further configured in a preferred embodiment as: one end of the pull rod, which is far away from the chuck, is provided with a containing groove, and the depth of the containing groove is smaller than the length of the transition rod.

Through adopting above-mentioned technical scheme, prevent to press from both sides tight in-process, the push rod exceeds the stroke, makes clamping mechanism can not normally work.

The present invention may be further configured in a preferred embodiment as: the length of the pull nail is smaller than that of the support nail.

Through adopting above-mentioned technical scheme, when piling up the mould box, the blind rivet can not interfere the plane that supports nail place, the aspect mould box of piling up.

The present invention may be further configured in a preferred embodiment as: the bottom surface of the vibration table far away from the cylindrical bumps is uniformly provided with the cylindrical bumps.

Through adopting above-mentioned technical scheme, through cylindrical convex block connection spring, make the dismouting process of spring simple and convenient more swift, in the spring working process, can also keep the position of spring for the spring can not shift.

The present invention may be further configured in a preferred embodiment as: the vibrating table is provided with surrounding baffles along the side perpendicular to the bottom surface and far away from the cylindrical convex block, and one of the surrounding baffles is provided with a notch.

Through adopting above-mentioned technical scheme, at concreting and vibration in-process, the concrete splashes, encloses the breach that keeps off and can make the concrete that splashes out flow along the breach orientation, can not cause the large tracts of land to pollute.

The present invention may be further configured in a preferred embodiment as: one end of the connecting rod is a big end of the connecting rod, the other end of the connecting rod is a small end of the connecting rod, a bearing bush is arranged in an inner hole of the big end of the connecting rod, and a bushing is arranged in an inner hole of the small end of the connecting rod. Through adopting above-mentioned technical scheme, at connecting rod and bent axle and shaking table inter motion's in-process, can prevent excessive wearing and tearing, make connecting rod, bent axle more resistant friction, increase the life of equipment.

The present invention may be further configured in a preferred embodiment as: and a positioning ring is arranged at the position of the crankshaft, which is close to the supporting seat.

Through adopting above-mentioned technical scheme, the relative position of bent axle can be fixed to the holding ring, prevents at shaking table vibration in-process bent axle along axial displacement.

The present invention may be further configured in a preferred embodiment as: one end of the crankshaft is connected with a flywheel.

Through adopting above-mentioned technical scheme, because the bent axle constantly changes when the power that receives in the rotation process, the flywheel can be so that the bent axle rotation process is more smooth-going, reduces the vibration of mounting panel, prevents that individual fastening bolt from relaxing.

To sum up, the utility model discloses a following at least one useful technological effect:

1. when the concrete vibrates, the blind rivet on the bottom surface of the mould box can be clamped and positioned through the chuck structure of the pull rod, and the mould box can be fixed in the middle of the vibrating table;

2. because the edge of the vibrating table is provided with the enclosure structure, when the concrete vibrating table is used, concrete mortar can be prevented from overflowing everywhere to cause large-area pollution;

3. the vibrating table is only provided with a boss in the middle of the plane, and the other parts are planes, so that the vibrating table is more convenient to clean.

Drawings

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

FIG. 2 is a schematic sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic view of the structure of the tie rod;

FIG. 4 is a schematic view of a connecting rod configuration;

fig. 5 is an enlarged schematic view of a portion B in fig. 2.

Reference numerals: 1. a mold box; 11. a support pin; 12. pulling nails; 2. a vibration table; 21. a cylindrical bump; 22. positioning holes; 23. an end lug; 24. a boss; 25. fencing; 26. a stopper; 3. a clamping mechanism; 31. a pull rod; 311. a chuck; 312. a receiving groove; 313. a pin hole; 32. a transition rod; 33. a push rod; 34. locking the nut; 4. a spring; 5. a drive mechanism; 51. a connecting rod; 511. a big end of the connecting rod; 512. bearing bushes; 513. a small end of the connecting rod; 514. a bushing; 52. a crankshaft; 522. a positioning ring; 53. an electric motor; 534. a universal joint; 54. a flywheel; 6. mounting a platform; 7. a supporting seat; 71. a through hole; 72. a base.

Detailed Description

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

Example (b): referring to fig. 1 and 2, the mold box comprises a mold box 1, a vibration table 2 for placing the mold box 1, a clamping mechanism 3 for clamping the mold box 1, a driving mechanism 5 for driving the vibration table 2 to vibrate, and a mounting platform 6 for mounting the driving mechanism 5, wherein four springs 4 are connected between the vibration table 2 and the mounting platform 6.

The mounting platform 6 is a rectangular flat plate, four corners of the mounting platform 6 are respectively provided with a unthreaded hole, the mounting platform 6 is horizontally mounted on the ground through foundation bolts, the middle part of the mounting platform 6 is provided with a threaded hole, and the mounting platform is connected with two supporting seats 7 through threads.

The supporting seat 7 is two rectangular plates, a through hole 71 is formed in each rectangular plate, the rectangular plates can be vertically connected to the middle of the other rectangular plate base 72 in a threaded connection or welding mode, the base 72 is convenient to connect with the mounting platform 6, connecting holes are formed in four corners of the base respectively, the supporting seat 7 is mounted on the mounting platform 6 through threaded connection, and a crankshaft 52 penetrates through the through hole 71.

Referring to fig. 5, a spline is formed on an outer circle of one end of the crankshaft 52, the spline is connected to one end of the universal joint 534 through the spline, the other end of the universal joint 534 is connected to an output end of the motor 53, the other end of the crankshaft 52 is connected to a flywheel 54, in order to prevent the flywheel 54 from sliding out, a threaded hole is formed in one end of the crankshaft 52, which is connected to one end of the flywheel 54, along an axis, the flywheel 54 is fixed through threaded connection, in order to prevent the crankshaft 52 from axially moving in the through hole 71, a positioning ring 522 is respectively arranged at a position, close to the supporting seat 7, of the crankshaft 52, a large connecting rod end.

The vibrating table 2 is a rectangular plate, a cylindrical boss 24 is arranged in the middle of the rectangular plate, a positioning hole 22 is formed along the axis of the cylinder, and a pull rod 31 penetrates through the positioning hole 22.

Referring to fig. 3, one end of the pull rod 31 close to the vibration table 2 is connected with a circular frustum chuck 311 made of spring steel, the taper of the chuck 311 is greater than that of the positioning hole 22, a stepped counter bore is formed along the axis of the frustum, the diameter of the counter bore of the stepped counter bore close to the large end face is smaller than that of the other connected counter bore, two mutually perpendicular counter bores are formed in the large end face of the frustum in the direction of the small end face, when the chuck 311 does not receive a pulling force, the chuck 311 is in a loose state, and when the chuck 311 slides downwards due to the pulling force, the chuck 311 is in a tightening state.

The other end of the pull rod 31 is provided with a containing groove 312 along a bus of an excircle of the pull rod, two side walls of the containing groove 312 are provided with coaxial pin holes 313 which are connected with one end of the transition rod 32 through pin joints, the other end of the transition rod 32 is connected with one end of the push rod 33 through pin joints, in order to prevent the transition rod 32 from rotating by an excessive angle and exceeding the stroke, the clamping mechanism cannot work normally, and the depth of the containing groove 312 is smaller than the length of the transition rod 32.

Referring to fig. 2, the push rod 33 is a threaded rod, in order to make the push rod 33 only move axially during the movement, a stop 26 perpendicular to the vibrating table 2 and parallel to the end lug 23 is fixed at the edge of the vibrating table 2 near the ground, a through hole is formed in the middle of the end lug 23, a through hole coaxial with the through hole is formed in the stop 26, the push rod 33 penetrates through the through hole and extends out of the through hole, and a locking nut 34 is connected to the push rod 33 near the stop 26 through a thread.

Referring to fig. 2, in order to facilitate the connection of the connecting rod 51 to the vibration table 2, two parallel end lugs 23 are fixed on one side of the vibration table 2 away from the cylindrical protrusion 21, shaft holes are respectively formed on the two end lugs 23, and a long shaft is inserted into the shaft holes to connect the connecting rod small end 513 of the connecting rod 51 with the vibration table 2.

Referring to fig. 4, to reduce wear of the connecting rod 51 during movement, a bushing 512 is mounted in the large end 511 of the connecting rod, and a bushing 514 is mounted in the small end 513 of the connecting rod.

The vibrating table 2 is provided with a mold box 1, the mold box 1 can be made into a cuboid shape with an open top surface and a hollow interior by adopting plastics, the bottom surface of the mold box 1 is integrally formed with uniformly distributed support nails 11 and pull nails 12, the pull nails 12 are cylinders, one end of each pull nail 12 far away from the bottom surface of the mold box 1 is fixed with a flange, and in order to enable the ends of the mold box 1, which are horizontally placed with the support nails 11 and far away from the bottom surface of the mold box 1, to be positioned on the same horizontal plane; in order to facilitate the stacking of the mold box 1, the length of the blind rivet 12 is smaller than that of the support rivet 11, and the blind rivet 12 is matched with the chuck 311.

In order to facilitate the connection of the spring 4 with the vibration table 2 and the mounting platform 6, the spring 4 is respectively abutted against the vibration table 2 and the mounting platform 6 and is fixed with a cylindrical bump 21, and the cylindrical bumps 21 are uniformly distributed on the bottom surface of the vibration table 2 far away from the boss 24.

In order to prevent the concrete from splashing around from the mould box 1 during the vibration process, a surrounding baffle 25 is fixed around the vibration table 2, and a gap is formed on the surrounding baffle 25 at one side, so that the splashed concrete can only flow out through the gap.

The utility model discloses an operation mode does: when the clamping head 311 is in a loose state, the die box 1 is placed on the vibrating table 2, the blind rivet 12 is placed in the clamping head 311, the push rod 33 is pushed, the transition rod 32 applies force downwards, the transition rod 32 pushes the pull rod 31 to drive the clamping head 311 to move downwards, the clamping head 311 is tightened, the blind rivet 12 is tensioned, the locking nut 34 is screwed, sliding of the push rod 33 is limited, and the clamping mechanism is kept in a clamping state. The motor 53 is started, the output shaft of the motor 53 rotates, the connecting rod 51 is driven to move through the crankshaft 52, the connecting rod 51 drives the vibration table 2 to vibrate, in the vibration process of the vibration table 2, when the crankshaft is located at the lowest point, the spring 4 is in a compressed state, when the crankshaft 52 is located at the highest point, the spring 4 is in an original length state, concrete in the mold box 1 is compacted through continuous vibration, and then the power supply of the motor 53 can be cut off. When the vibration table 2 stops vibrating, the locking nut 34 is reversely screwed to a proper position, so that the push rod 33 has enough sliding stroke, the push rod 33 is pulled to cause the pull rod 31 to move upwards, and when the clamping head 311 is finally in a loose state, the die box 1 is taken down.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a concrete system appearance plain bumper, includes mould box (1), is used for placing shaking table (2) of mould box (1), presss from both sides clamping mechanism (3), spring (4) and the actuating mechanism (5) of drive shaking table (2) vibration and installation actuating mechanism (5) and mounting platform (6) of spring (4), mounting platform (6) are a flat board, actuating mechanism (5) are installed in mounting platform (6), actuating mechanism (5) are including actuating motor (53), bent axle (52) and connecting rod (51), and actuating mechanism (5) and shaking table (2) are connected with connecting rod (51), are connected with spring (4), its characterized in that between shaking table (2) and mounting platform (6): the bottom surface of the die box (1) is uniformly provided with supporting nails (11), the middle part of the bottom surface of the die box (1) is provided with a raised blind rivet (12), and one end of the blind rivet (12) far away from the bottom surface of the die box (1) is fixed with a flange; the middle part of the vibrating table (2) is provided with a frustum-shaped positioning hole (22), the middle part of the side surface, close to the ground, of the vibrating table (2) is vertically provided with two parallel end lugs (23), the edge of one side, close to the ground, of the vibrating table (2) is fixedly provided with a stop block (26) which is perpendicular to the vibrating table and is parallel to the end lugs (23), each end lug (23) is provided with a through hole, a shaft hole is formed right below the through hole, and the stop block (26) is provided with a through hole which is coaxial with the through hole; wear to establish a pull rod (31) in locating hole (22), pull rod (31) are close to shaking table (2) one end and are provided with chuck (311) of a frustum shape, and pull rod (31) other end pin joint is in transition rod (32) one end to pull rod (31) and transition rod (32) form an acute angle, and the transition rod (32) other end articulates in push rod (33) one end, and perforation and stretch out the via hole are worn to locate in push rod (33), push rod (33) excircle surface is provided with the screw thread, is close to dog (26) department threaded connection lock nut (34) on push rod (33).

2. The concrete sample tapping platform of claim 1, wherein: one side of the vibrating table (2) far away from the ground is provided with a boss (24), and the boss (24) is provided with a frustum-shaped positioning hole (22) along the axis.

3. The concrete sample tapping platform of claim 1, wherein: the taper of the clamping head (311) is larger than that of the positioning hole (22).

4. The concrete sample tapping platform of claim 1, wherein: one end of the pull rod (31) far away from the chuck (311) is provided with a receiving groove (312), and the depth of the receiving groove (312) is smaller than the length of the transition rod (32).

5. The concrete sample tapping platform of claim 1, wherein: the length of the blind rivet (12) is smaller than that of the support rivet (11).

6. The concrete sample tapping platform of claim 1, wherein: the bottom surface of the vibration table (2) far away from the lug boss (24) is uniformly provided with cylindrical lugs (21).

7. The concrete sample tapping platform of claim 1, wherein: the vibrating table (2) is provided with an enclosing barrier (25) along the side perpendicular to the bottom surface and far away from the cylindrical bump (21), and a notch is formed in one of the enclosing barriers (25).

8. The concrete sample tapping platform of claim 1, wherein: one end of the connecting rod (51) is a connecting rod big end (511), the other end of the connecting rod (51) is a connecting rod small end (513), a bearing bush (512) is arranged in an inner hole of the connecting rod big end (511), and a bushing (514) is arranged in an inner hole of the connecting rod small end (513).

9. The concrete sample tapping platform of claim 1, wherein: and a positioning ring (522) is arranged on the crankshaft (52) close to the supporting seat.

10. The concrete sample tapping platform of claim 1, wherein: one end of the crankshaft (52) is connected with a flywheel (54).