CN214844316U - Cement mortar vibration experiment table - Google Patents

Abstract

The utility model discloses a cement mortar vibration experiment table relates to concrete production technical field, solves cement mortar vibration experiment table and shakes the real clamping mechanism extrusion final forming technical problem of reuse, the utility model discloses a mould and die holder shake, the front end of mould shakes has the briquetting, the front end of die holder has clamping mechanism, be equipped with vibration mechanism between mould and the die holder shake, the rear end outside of mould and die holder shakes has elevating gear, elevating gear connects the mould that shakes, and elevating gear's number is 2, the vibration mechanism lower extreme passes through screw fixed connection in the die holder upper end, and the lower extreme of mould that shakes is propped by vibration mechanism, clamping mechanism extrudees the briquetting, clamping mechanism with the briquetting welds respectively in the front end of die holder and mould that shakes; be used for cement mortar preparation jolt compaction shaping test and clamping mechanism with the final shaping of cement mortar after jolt compaction, the utility model has the advantages of cement mortar vibration laboratory bench passes through the final shaping of clamping mechanism extrusion at cement mortar sample.

Description

Cement mortar vibration experiment table

Technical Field

The utility model relates to a concrete production field, in particular to cement mortar vibration experiment table for jolt compaction shaping test when cement mortar test piece is prepared and jolt compaction shaping with cement mortar test piece through clamping mechanism after jolt compaction several times.

Background

The cement mortar jolter is a device suitable for cement strength test sample preparation, places empty examination mould on the fixed station during use, adds cement mortar to the examination mould appearance groove, starts the plain bumper vibration, takes off the examination mould after the vibration is accomplished, and the sample is accomplished.

The cement mortar jolt ramming machine has strong vibrating capability when working, so when a test mould jolts on the fixed table, cement mortar can splash out from the test mould containing groove, and after the operation is completed every time, a user needs to spend time cleaning the fixed table. An iron frame is pressed above the test mould and is mainly used for compacting and forming a test body under specified conditions, a cement mortar vibrating table consists of a test mould base, a connecting rod, a rotating fulcrum cam and a base, when the device is used, the test mould is placed on the test mould base, mortar is directly loaded into the test mould from a stirring pot in two layers by using a proper spoon, the actual vibration is carried out after each layer is loaded, the test mould base and the test mould can continuously vibrate up and down through the rotation of the cam, so that gas in the cement mortar is discharged, air and gaps in the cement mortar are eliminated, and a better cement test block can be formed for later tests. However, the sample needs to be molded finally before the sample is taken down after vibration is finished when the vibration of the plain bumper is finished, so that the die holder and the test die need to be adjusted during clamping and cannot be clamped well.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: through clamping mechanism extrusion's problem when the shaping is accomplished at last to the mortar sample in order to solve current mortar vibration experiment platform, the utility model provides a cement mortar vibration experiment platform.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the cement mortar vibration experiment table comprises a vibration die and a die holder, wherein a pressing block is arranged at the front end of the vibration die, a clamping mechanism is arranged at the front end of the die holder, a vibration mechanism is arranged between the vibration die and the die holder, a lifting device is arranged at the outer side of the rear end of the vibration die and the die holder, the lifting device is connected with the vibration die, the number of the lifting devices is 2, the lower end of the vibration mechanism is fixedly connected to the upper end of the die holder through screws, the lower end of the vibration die is supported by the vibration mechanism, the clamping mechanism extrudes the pressing block, and the clamping mechanism and the pressing block are respectively welded to the front ends of the die holder and the vibration die.

The clamping mechanism is provided with an intermediate rod, a lower rod and an upper rod, one end of the lower rod is connected with the intermediate rod, the other end of the lower rod is provided with a connecting rod, the connecting rod is welded at the front end of the die holder, the lower end of the upper rod is provided with an extrusion adjusting piece, and the extrusion adjusting piece extrudes the pressing block.

The extrusion regulating part is provided with a hinged seat, a movable extrusion block and a pin shaft, the movable extrusion block is connected with the hinged seat through the pin shaft, and one end of the movable extrusion block is connected with a handle.

The movable extrusion block is coated at the front end, the rear end and the lower end of the hinge seat, and the cross section of the movable extrusion block is in a fan shape.

Wherein, a clearance distance of 1-1.5mm is arranged between the movable extrusion block and the hinged seat.

The vibration mechanism is provided with a base, a rotating shaft and a cam, the cam is installed inside the base, the cam is connected to an external driving device through the rotating shaft, the vibration mechanism is located in the middle between the front end and the rear end of the vibration die and the front end and the rear end of the die holder, and the left end and the right end of the vibration die and the die holder are respectively provided with one vibration mechanism.

The utility model has the advantages as follows:

1. the front end of die holder has clamping mechanism, shake and be equipped with vibration mechanism between mould and the die holder, the rear end outside of shaking mould and die holder has elevating gear, elevating gear connects the mould that shakes, and elevating gear's number is 2, the lower extreme of vibration mechanism passes through screw fixed connection in the die holder upper end, and the lower extreme of shaking the mould is propped by vibration mechanism, clamping mechanism extrudees the briquetting, clamping mechanism with the briquetting welds respectively in the die holder and the front end of shaking the mould, has solved the problem that the mortar vibration laboratory bench passes through clamping mechanism extrusion when the shaping is accomplished at last to the mortar sample.

2. Clamping mechanism has intermediate lever, lower beam and upper boom, lower beam one end is connected the intermediate lever, the other end have the connecting rod, the connecting rod weld in the front end of die holder, the lower extreme of upper boom has the extrusion regulating part, the extrusion regulating part extrusion the briquetting is through adjusting the degree of contact between extrusion regulating part and the briquetting, makes to shake and presss from both sides tightly between mould and the die holder.

3. The utility model discloses specifically refine the extrusion regulating part has articulated seat, activity extrusion piece and round pin axle, activity extrusion piece passes through with articulated seat pin hub connection, the one end of activity extrusion piece is connected with the handle, and manual slip handle adjusts the degree of contact between extrusion regulating part and the briquetting.

4. The utility model discloses the cross section of activity extrusion piece is fan-shaped, and the lower extreme of conveniently articulating the seat keeps unanimous and the activity extrusion piece can slide along the lower extreme appearance of articulated seat in the shape with the upper end of activity extrusion piece, has 1-1.5 mm's clearance distance between activity extrusion piece and the articulated seat, reduces the friction between the two.

5. The utility model discloses vibration mechanism has base, axis of rotation and cam, the cam is installed the inside of base, cam pass through rotation axis connection in outside drive arrangement, vibration mechanism are located shake intermediate position between mould and the die holder front and back end to the end respectively has a vibration mechanism about shaking mould and die holder, makes the mould that shakes vibrate steadily on the die holder.

Drawings

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

fig. 2 is a left-side view structural diagram of the present invention;

fig. 3 is a schematic view of the structure of the right view direction of the present invention;

fig. 4 is a schematic structural view of the clamping mechanism of the present invention;

fig. 5 is a schematic structural section view of the clamping mechanism of the present invention;

fig. 6 is a partially enlarged schematic view of the clamping mechanism of the present invention;

fig. 7 is a schematic structural view of the vibration mechanism of the present invention.

Reference numerals: 1-vibrating die, 2-die holder, 3-clamping mechanism, 4-vibrating mechanism, 5-lifting device, 6-pressing block, 31-middle rod, 32-lower rod, 33-connecting rod, 34-movable extrusion block, 35-handle, 36-hinged seat, 37-upper rod, 38-pin shaft, 41-base, 42-rotating shaft and 43-cam.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Example 1

As shown in fig. 1 to 3, the present embodiment provides a cement mortar vibration experiment table, which comprises a vibration die 1 and a die holder 2, the front end of the vibration die 1 is provided with a pressing block 6, the front end of the die holder 2 is provided with a clamping mechanism 3, a vibration mechanism 4 is arranged between the vibration die 1 and the die holder 2, the outer sides of the rear ends of the vibration die 1 and the die holder 2 are provided with a lifting device 5, the lifting devices 5 are connected with the vibrating die 1, the number of the lifting devices 5 is 2, the lifting devices 5 are hydraulic or pneumatic cylinders and drive the vibrating die 1 to move up and down by pushing a cylinder body, so that mortar products with different heights are manufactured, meanwhile, the vibration die 1 can be adjusted to be horizontal, the lower end of the vibration mechanism 4 is fixedly connected with the upper end of the die holder 2 through a screw, the lower end of the vibration die 1 is propped by the vibration mechanism 4, the clamping mechanism 3 extrudes the pressing block 6, and the clamping mechanism 3 and the pressing block 6 are respectively welded at the front ends of the die holder 2 and the vibrating die 1.

As shown in fig. 4 and 5, the clamping mechanism 3 includes an intermediate rod 31, a lower rod 32, and an upper rod 37, the lower rod 32 has one end connected to the intermediate rod 31 and the other end having a connecting rod 33, the connecting rod 33 is welded to the front end of the die holder 2, and the upper rod 37 has a pressing adjustment member at the lower end thereof, and the pressing adjustment member presses the pressing block 6.

As shown in fig. 5 and 6, the squeezing adjustment member includes a hinge seat 36, a movable squeezing block 34 and a pin shaft 38, the movable squeezing block 34 and the hinge seat 36 are connected by the pin shaft 38, one end of the movable squeezing block 34 is connected with a handle 35, the movable squeezing block 34 is wrapped at the front end, the rear end and the lower end of the hinge seat 36, the cross section of the movable squeezing block 34 is fan-shaped, and a gap distance of 1-1.5mm is formed between the movable squeezing block 34 and the hinge seat 36.

As shown in fig. 7, the vibration mechanism 4 has a base 41, a rotating shaft 42, and a cam 43, the cam 43 is mounted inside the base 41, the cam 43 is connected to an external driving device (which may be a driving motor) through the rotating shaft 42, the vibration mechanism 4 is located at an intermediate position between the front and rear ends of the vibration die 1 and the die holder 2, and there is one vibration mechanism 4 at each of the left and right ends of the vibration die 1 and the die holder 2.

Example 2

The working principle is as follows: the mould base 2 is horizontally fixed, the vibration mould 1 pushes up the vibration mould 1 according to the shape of the cam 43 after the driving motor rotates to drive the rotating shaft 42 to rotate, the vibration mould 1 moves downwards according to the self gravity, the vibration mould 1 repeatedly moves up and down to compact the mortar, the finally formed mortar product contacts and extrudes the pressing block 6 through the clamping mechanism 3, the shape of the product model is kept, and the mortar product is taken out from the cement mortar vibration experiment table after the product is solidified.

The instrument mainly comprises a vibration die 1, a frame part (not shown) and a proximity switch program control system (not shown). The synchronous driving motor drives the cam 43 to rotate during working, so that the vibration die 1 moves upwards and falls down after rising to a fixed value, vibration is generated to enable the cement mortar to be compacted under the action of force, the counting of the instrument is automatically controlled (in the conventional prior art), the instrument automatically stops after 60 times, the use is convenient, and the counting is accurate.

Example 3

Summary of the invention

The cement mortar vibration test table is characterized in that an ISO679 test method is equally adopted for the cement mortar strength test method in China: 1989(E) (JC/T682-1997, JCT682-2005) international standard. The instrument is equivalently implemented by adopting ISO 679: 1989(E)4.2.5 standard, suitable for the preparation of samples for testing the strength of cements.

Second, technical data

1. The total weight of the vibration part is 20kg plus or minus 0.5kg

2. Amplitude (falling distance) 15mm +/-0.3 mm

3. Vibration frequency of 60 times/60 seconds +/-2 seconds

4. Motor model 90TDY4

5. Motor speed 60 rpm

6. Motor power 70W

7. The distance from the center of the table to the center of the shaft of the arm lever (i.e. the middle lever) is 800 +/-1 mm.

Claims (6)

1. Cement mortar vibration experiment table, including shaking mould (1) and die holder (2), the front end that shakes mould (1) has briquetting (6), its characterized in that: the front end of die holder (2) has clamping mechanism (3), shake and be equipped with vibration mechanism (4) between mould (1) and die holder (2), the rear end outside of shaking mould (1) and die holder (2) has elevating gear (5), elevating gear (5) are connected and are shaken mould (1), and the number of elevating gear (5) is 2, vibration mechanism (4) lower extreme passes through screw fixed connection in die holder (2) upper end, and the lower extreme of shaking mould (1) is propped by vibration mechanism (4), clamping mechanism (3) extrusion briquetting (6), clamping mechanism (3) with briquetting (6) weld respectively in the front end of die holder (2) and mould (1) that shakes.

2. The cement mortar vibration experiment table according to claim 1, characterized in that: clamping mechanism (3) have intermediate lever (31), lower beam (32) and upper boom (37), lower beam (32) one end is connected intermediate lever (31), and the other end has connecting rod (33), connecting rod (33) weld in the front end of die holder (2), the lower extreme of upper boom (37) has the extrusion regulating part, the extrusion regulating part extrusion briquetting (6).

3. The cement mortar vibration experiment table according to claim 2, characterized in that: the extrusion regulating part is provided with a hinged seat (36), a movable extrusion block (34) and a pin shaft (38), the movable extrusion block (34) is connected with the hinged seat (36) through the pin shaft (38), and one end of the movable extrusion block (34) is connected with a handle (35).

4. The cement mortar vibration experiment table according to claim 3, characterized in that: the movable extrusion blocks (34) are coated at the front end, the rear end and the lower end of the hinge seat (36), and the cross section of each movable extrusion block (34) is in a fan shape.

5. The cement mortar vibration experiment table according to claim 3, characterized in that: the clearance distance between the movable extrusion block (34) and the hinge seat (36) is 1-1.5 mm.

6. The cement mortar vibration experiment table according to claim 1, characterized in that: the vibration mechanism (4) is provided with a base (41), a rotating shaft (42) and a cam (43), the cam (43) is installed inside the base (41), the cam (43) is connected to an external driving device through the rotating shaft (42), the vibration mechanism (4) is located in the middle between the front end and the rear end of the vibration die (1) and the die holder (2), and the vibration mechanism (4) is arranged at each of the left end and the right end of the vibration die (1) and the die holder (2).

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