CN210161361U

CN210161361U - Concrete shaking table

Info

Publication number: CN210161361U
Application number: CN201920504117.1U
Authority: CN
Inventors: 马洪丽; 王博
Original assignee: Beijing Runhong Technology Testing Co ltd
Current assignee: Beijing Runhong Technology Testing Co ltd
Priority date: 2019-04-13
Filing date: 2019-04-13
Publication date: 2020-03-20
Anticipated expiration: 2029-04-13

Abstract

The utility model relates to a concrete vibrating table, relating to the technical field of concrete compaction equipment, the technical proposal comprises a base and a vibrating table arranged on the base, a supporting spring is arranged between the base and the vibrating table, a vibration motor is arranged at the bottom of the vibration table, a limit component capable of limiting the concrete sample is arranged above the vibration table, the limiting component comprises a limiting plate arranged above the vibrating table, a plurality of positioning plates are uniformly arranged on the vibrating table at intervals, positioning grooves for placing concrete samples are arranged on the positioning plates, a plurality of annular fixed plates are uniformly arranged at intervals at the bottom of the limiting plate corresponding to the positioning grooves, a circle of limiting groove is arranged at the bottom of each fixed plate, the bottom rigid coupling of limiting plate has the bracing piece, corresponds the bracing piece be provided with the slot that supplies the bracing piece to peg graft on the shaking table. The utility model has the advantages that can carry on spacingly to the concrete test piece on the shaking table, avoid it to break away from the shaking table at the vibration in-process.

Description

Concrete shaking table

Technical Field

The utility model belongs to the technical field of concrete jolt ramming equipment technique and specifically relates to a concrete shaking table is related to.

Background

The concrete vibrating table is a device suitable for molding test pieces in laboratories and on-site construction sites and compacting concrete members such as various plates, columns, beams and the like by using prefabricated members. The concrete shaking table mainly includes the base that is fixed in ground, the shaking table of placing the concrete sample, set up the vibrating motor of terminal surface under the shaking table, is provided with supporting spring between base and the shaking table, and when vibrating motor operation, whole shaking table can carry out the vibration from top to bottom from beginning to end along with vibrating motor to the concrete sample jolt ramming of placing on the shaking table.

The above prior art solutions have the following drawbacks: the concrete test piece can be placed in cylindrical container sometimes, and like this, the concrete test piece of placing on this concrete shaking table can take place relative displacement with the shaking table at the concrete shaking table during operation for the concrete test piece breaks away from the shaking table gradually.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a concrete shaking table, its advantage can carry on spacingly to the concrete test piece on the shaking table, avoids it to break away from the shaking table at the vibration in-process.

The above object of the present invention can be achieved by the following technical solutions: the utility model provides a concrete shaking table, includes the base and sets up the shaking table on the base, is provided with supporting spring between base and the shaking table, installs vibrating motor in the bottom of shaking table, is provided with above the shaking table and can carries out spacing subassembly to the concrete sample, spacing subassembly is including setting up the limiting plate in the shaking table top, even interval is provided with a plurality of locating plates on the shaking table, set up the constant head tank that supplies the concrete sample to place on the locating plate, correspond the constant head tank the even interval in bottom of limiting plate is provided with a plurality of annular fixed plates, the round spacing groove has been seted up to the bottom of fixed plate the bottom rigid coupling of limiting plate has the bracing piece, corresponds the bracing piece be provided with the slot that supplies the bracing piece to peg graft on the shaking table.

Through adopting above-mentioned technical scheme, the during operation is placed the concrete sample in the constant head tank, then the staff establishes the spacing plate lid in the concrete sample, aims at the concrete sample with the fixed plate, makes the top of concrete sample insert the spacing groove of fixed plate, and simultaneously, the bracing piece inserts in the slot, like this, can carry out certain spacing to the concrete sample, avoids its in-process from the shaking table to slide.

The utility model discloses further set up to: and a rubber pad is arranged in the limiting groove.

Through adopting above-mentioned technical scheme, through the rubber pad that sets up, can reduce the concrete sample when the vibration and the collision between the limiting plate, reduce the harm.

The utility model discloses further set up to: and a space for the concrete test piece to move is reserved in the limiting groove.

Through adopting above-mentioned technical scheme, like this, when the concrete sample is vibrating, its upper end also can vibrate in the spacing groove, makes the vibration effect better, with the speed of concrete tap faster.

The utility model discloses further set up to: the vibrating table is further provided with a driving assembly capable of driving the limiting plate to ascend or descend.

Through adopting above-mentioned technical scheme, through the drive assembly who sets up, can adjust the position of limiting plate according to the height of concrete sample, simultaneously, needn't artifical press the limiting plate on concrete sample again, more laborsaving, operate convenience more.

The utility model discloses further set up to: the drive assembly is including installing a pair of pneumatic cylinder on the shaking table lateral wall, and two pneumatic cylinders set up along the central axis symmetry of shaking table, the piston rod of pneumatic cylinder is fixed in the bottom of limiting plate, shaking table both sides wall rigid coupling respectively has the bearing board, the pneumatic cylinder sets up on the bearing board.

Through adopting above-mentioned technical scheme, start the pneumatic cylinder, the pneumatic cylinder drives the piston rod extension or shortens, and then control limiting plate rises or descends, can adjust the position of limiting plate according to placing the concrete test piece on the shaking table, convenient operation.

The utility model discloses further set up to: and the two bearing plates are respectively fixed with a fixed cylinder, and the cylinder body of the hydraulic cylinder is arranged in the fixed cylinder.

Through adopting above-mentioned technical scheme, the setting of fixed section of thick bamboo makes the pneumatic cylinder more stable when the operation.

The utility model discloses further set up to: and a plurality of rib plates are fixedly connected between the outer wall of the fixed cylinder and the bearing plate along the circumferential direction of the fixed cylinder.

Through adopting above-mentioned technical scheme, the setting of floor for strengthen the joint strength between fixed section of thick bamboo and the layer board.

The utility model discloses further set up to: the drive assembly comprises a lead screw and a motor, wherein the lead screw is vertically connected to two sides of the limiting plate in a threaded manner, the motor is arranged at the lower end of the lead screw, the two side walls of the vibrating table are fixedly connected with bearing plates respectively, and the motor is arranged on the bearing plates.

Through adopting above-mentioned technical scheme, starter motor, motor drive lead screw rotate, and the lead screw rotates and can drive the limiting plate and move in vertical direction, and then can make the limiting plate push down the concrete sample, avoids the concrete sample to shake from the shaking table at the in-process of vibration.

To sum up, the utility model discloses a beneficial technological effect does:

1. the limiting plate is pressed on the concrete test piece through the arranged limiting plate, and the top of the concrete test piece is inserted into the limiting groove, so that the concrete test piece can be prevented from falling off the vibrating table in the vibrating process;

2. through the drive assembly who sets up, can adjust the position of limiting plate, make it can adapt to more not concrete test pieces of co-altitude, operate more laborsaving simultaneously, practice thrift the manpower.

Drawings

Fig. 1 is a schematic overall structure diagram of a first embodiment of the present invention;

FIG. 2 is a schematic view of a fixing plate according to one embodiment;

fig. 3 is a schematic overall structure diagram of a second embodiment of the present invention;

fig. 4 is a schematic view of the overall structure of the third embodiment of the present invention.

In the figure, 1, a base; 11. a support spring; 2. a vibration table; 21. positioning a plate; 211. positioning a groove; 22. a support plate; 221. a fixed cylinder; 222. a rib plate; 23. a bearing plate; 3. a limiting component; 31. a limiting plate; 32. a fixing plate; 321. a limiting groove; 33. a support bar; 34. connecting blocks; 341. a slot; 4. a drive assembly; 41. a hydraulic cylinder; 411. a piston rod; 42. a lead screw; 43. an electric motor.

Detailed Description

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

The first embodiment is as follows:

as shown in fig. 1, for the utility model discloses a concrete shaking table, including setting up base 1 subaerial and setting up shaking table 2 on base 1, vertically be provided with supporting spring 11 between base 1 and shaking table 2, install vibrating motor 43 in the bottom of shaking table 2, start vibrating motor 43, shaking table 2 can vibrate thereupon.

Concrete sample takes place relative displacement at the in-process of vibration and shaking table 2, and concrete sample can break away from shaking table 2 gradually and finally drops, and in order to avoid concrete sample to drop from shaking table 2 at the vibration in-process, a plurality of locating plate 21 has set firmly on shaking table 2, and a plurality of locating plate 21 evenly sets up at an interval on shaking table 2, sets up the constant head tank 211 that supplies concrete sample to place on locating plate 21.

In order to further avoid the concrete sample from shaking table 2 and falling, be provided with spacing subassembly 3 above shaking table 2. Spacing subassembly 3 establishes limiting plate 31 on concrete sample including the lid, limiting plate 31 is the rectangle, combine figure 2, one side and the 21 one-to-one of locating plate that are close to shaking table 2 at limiting plate 31 are provided with a plurality of fixed plate 32, fixed plate 32 is the annular, round spacing groove 321 has been seted up on fixed plate 32, the notch of spacing groove 321 is towards the direction that is close to shaking table 2, be provided with the rubber pad (not drawn in the picture) in spacing groove 321, leave the space that supplies the concrete sample activity in spacing groove 321.

The bottom of the limiting plate 31 is vertically and fixedly connected with supporting rods 33 at four corners, the vibration table 2 is fixedly connected with connecting blocks 34 at positions corresponding to the supporting rods 33, and the connecting blocks 34 are provided with slots 341 for inserting the supporting rods 33.

As shown in fig. 1 and 2, the concrete sample is placed in the positioning groove 211, and then the worker covers the limiting plate 31 on the concrete sample, and inserts the top of the concrete sample into the limiting groove 321, and meanwhile, the supporting rod 33 is inserted into the insertion groove 341, so that the limiting plate 31 stands above the vibration table 2, and the concrete sample is prevented from falling off from the vibration table 2 in the vibration process.

Example two: as shown in fig. 3, for the utility model discloses a concrete shaking table, the difference with embodiment one lies in still being provided with on the shaking table 2 and can driving limiting plate 31 rise or the drive assembly 4 that descends.

The driving assembly 4 includes a pair of hydraulic cylinders 41 installed on the side walls of the vibration table 2, the two hydraulic cylinders 41 are symmetrically disposed along the central axis of the vibration table 2, the piston rods 411 of the hydraulic cylinders 41 are fixed at the bottom of the limiting plate 31, the two side walls of the vibration table 2 are respectively and fixedly connected with the supporting plate 22, and the hydraulic cylinders 41 are disposed on the supporting plate 22.

The fixed cylinders 221 are fixed to both the support plates 22, and the cylinder body of the hydraulic cylinder 41 is mounted in the fixed cylinders 221, thereby improving the stability of the hydraulic cylinder 41 during operation. A plurality of ribs 222 are fixedly connected between the outer wall of the fixed cylinder 221 and the supporting plate 22 along the circumferential direction thereof for enhancing the connection strength between the fixed cylinder 221 and the supporting plate 22.

Starting hydraulic cylinder 41, hydraulic cylinder 41 drives piston rod 411 extension or shortens, and then control limiting plate 31 and rise or descend, can adjust the position of limiting plate 31 according to the concrete test piece of placing on shaking table 2, convenient operation.

Example three: as shown in fig. 4, for the utility model discloses a concrete shaking table, the difference with embodiment one lies in still being provided with on the shaking table 2 and can driving limiting plate 31 rise or the drive assembly 4 that descends.

The driving assembly 4 comprises a screw rod 42 vertically connected with the two sides of the limiting plate 31 in a threaded manner and a motor 43 fixedly connected to the lower end of the screw rod 42, the motor 43 is installed on the two side walls of the vibrating table 2, the two side walls of the vibrating table 2 are respectively fixedly connected with a bearing plate 23, and the motor 43 is arranged on the bearing plate 23.

The motor 43 is started, the motor 43 drives the screw rod 42 to rotate, the screw rod 42 rotates to drive the limiting plate 31 to move in the vertical direction, the limiting plate 31 can be pressed against the concrete sample, and the concrete sample is prevented from vibrating down from the vibrating table 2 in the vibrating process.

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 shaking table, includes base (1) and shaking table (2) of setting on base (1), is provided with supporting spring (11) between base (1) and shaking table (2), installs vibrating motor (43), characterized by in the bottom of shaking table (2): be provided with in shaking table (2) top and carry out spacing subassembly (3) to the concrete test piece, spacing subassembly (3) are including setting up limiting plate (31) in shaking table (2) top, even interval is provided with a plurality of locating plates (21) on shaking table (2), set up constant head tank (211) that supply the concrete test piece to place on locating plate (21), correspond constant head tank (211) the even interval in bottom of limiting plate (31) is provided with a plurality of annular fixed plates (32), round spacing groove (321) have been seted up to the bottom of fixed plate (32 the bottom rigid coupling of limiting plate (31) has bracing piece (33), corresponds bracing piece (33) be provided with slot (341) that supply bracing piece (33) to peg graft on shaking table (2).

2. A concrete vibration table according to claim 1, wherein: a rubber pad is arranged in the limiting groove (321).

3. A concrete vibration table according to claim 2, wherein: and a space for the concrete test piece to move is reserved in the limiting groove (321).

4. A concrete vibration table according to claim 1, wherein: the vibrating table (2) is further provided with a driving assembly (4) capable of driving the limiting plate (31) to ascend or descend.

5. A concrete vibrating table according to claim 4, wherein: drive assembly (4) are including installing a pair of pneumatic cylinder (41) on shaking table (2) lateral wall, and two pneumatic cylinder (41) set up along the central axis symmetry of shaking table (2), piston rod (411) of pneumatic cylinder (41) are fixed in the bottom of limiting plate (31), shaking table (2) both sides wall rigid coupling respectively has bearing board (22), pneumatic cylinder (41) set up on bearing board (22).

6. A concrete vibrating table according to claim 5, wherein: fixed cylinders (221) are respectively fixed on the two bearing plates (22), and cylinder bodies of the hydraulic cylinders (41) are installed in the fixed cylinders (221).

7. A concrete vibration table according to claim 6, wherein: and a plurality of ribbed plates (222) are fixedly connected between the outer wall of the fixed cylinder (221) and the bearing plate (22) along the circumferential direction.

8. A concrete vibrating table according to claim 4, wherein: drive assembly (4) are in including lead screw (42) and the rigid coupling of vertical threaded connection in limiting plate (31) both sides motor (43) of lead screw (42) lower extreme, install motor (43) on the both sides wall of shaking table (2), the rigid coupling has bearing board (23) on the both sides wall of shaking table (2) respectively, motor (43) set up on bearing board (23).