High-performance concrete laboratory preparation device

Abstract

The utility model relates to the technical field of concrete manufacturing equipment, in particular to a high-performance concrete laboratory preparation device which comprises a rack, a mixing drum and a water distribution mechanism, wherein one end of the mixing drum is provided with an opening, a cover plate is detachably arranged at the opening, and the mixing drum can be sealed through the cover plate; the mixing drum can be rotationally adjusted around the horizontal axis, and when the mixing drum rotates around the horizontal axis, the opening of the mixing drum can be controlled to face upwards, so that feeding is facilitated; or the opening of the stirring barrel is controlled to face downwards, so that the stirred materials can be conveniently poured into the collecting hopper. According to the scheme, after feeding is completed, the stirring barrel can be controlled to rotate around the axis of the stirring barrel, and stirring of materials in the stirring barrel is completed in the rotating process. The flow meter is arranged on the water distribution pipe, and the dosage of the injected liquid can be accurately controlled through the flow meter. Through the design of the structure, materials can be quickly and reliably mixed in a laboratory.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete manufacturing equipment, in particular to a high-performance concrete laboratory preparation device. Background Art

[0002] High-performance concrete is a kind of concrete that uses conventional materials and production processes, has various mechanical properties required by building concrete structures, and has high durability, high workability and high volume stability. High-performance concrete is developed from high-strength concrete, but the requirements for the technical performance of high-performance concrete are more and more extensive than those of high-strength concrete. The durability of high-performance concrete is the main indicator of design. High-performance concrete has different characteristics for different purposes. However, the same characteristics of high-performance concrete in configuration are the use of low water-cement ratio, and the requirements for water consumption and mixing are higher.

[0003] When developing existing high-performance concrete, it is usually necessary to use different water ratios for mixing, and then measure various parameters after it is fully finalized. The above steps are usually all completed manually. At present, in the high-performance concrete laboratory mixing experiment, there is a lack of a reliable, small-batch, and efficient laboratory equipment for preparing high-performance concrete. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a high-performance concrete laboratory preparation device, which can quickly and reliably prepare high-performance concrete in the laboratory, has the advantages of high automation, high efficiency, reduced labor costs, and improved laboratory preparation efficiency.

[0005] A high performance concrete laboratory preparation device according to an embodiment of the utility model comprises:

[0006] A frame, wherein a collecting hopper is arranged on the frame;

[0007] A mixing drum, wherein one end of the mixing drum is open, and a cover plate is detachably provided at the opening; the mixing drum can be rotated and adjusted around a horizontal axis; the mixing drum can rotate around its own axis; the horizontal axis is perpendicular to the own axis; a water inlet pipe is provided on the wall of the mixing drum;

[0008] A water distribution mechanism is provided with a water distribution pipe, and the water distribution pipe and the water inlet pipe are detachably connected; a flow meter is provided on the water distribution pipe.

[0009] According to some embodiments of the utility model, a position adjustment mechanism is also included, which includes an adjustment arm, which is rotatably arranged on the frame; the mixing drum and the adjustment arm are rotatably connected; a bushing is arranged at one end of the adjustment arm, and a limiting shaft is arranged at the other end of the adjustment arm; a limiting assembly is arranged on the limiting shaft for adjusting the direction of the opening of the mixing drum.

[0010] According to some embodiments of the utility model, the limit assembly includes a chuck, a limit seat and a turntable, the limit seat is fixedly connected to the frame, the limit seat is fixedly connected to the chuck, and a latch is rotatably provided on the chuck; the turntable is fixedly connected to the limit shaft, and a plurality of slots are circumferentially provided on the turntable, and when the turntable rotates, the latch can enter or disengage from the slot.

[0011] According to some embodiments of the present utility model, a joystick is provided on the limiting shaft.

[0012] According to some embodiments of the utility model, it also includes a rotary drive, which includes a drive shaft, a drive gear, a ring gear and a drive assembly; the drive shaft is rotatably connected to the frame; the drive shaft is rotatably connected to the sleeve; one end of the drive shaft is fixedly connected to the drive gear, and the other end of the drive shaft is transmission-connected to the drive assembly; the ring gear is fixedly connected to the mixing drum, and the drive gear and the ring gear are meshing.

[0013] According to some embodiments of the utility model, the drive assembly includes a drive motor, a first pulley, a second pulley and a belt, the drive motor is fixedly connected to the frame, the output end of the drive motor is transmission-connected to the first pulley, the first pulley is transmission-connected to the second pulley via a belt, and the second pulley is fixedly connected to the drive shaft.

[0014] According to some embodiments of the present invention, a plurality of baffles are provided on the inner peripheral wall of the mixing drum.

[0015] According to some embodiments of the utility model, a sealing ring is provided at the opening of the mixing drum, and at least one open groove is provided in the circumference of the sealing ring. The cover plate is provided with an abutment block corresponding to the open groove; the abutment block can pass through the open groove and abut the side of the sealing ring away from the cover plate.

[0016] According to some embodiments of the utility model, the water distribution mechanism includes a water tank, a water pump and a delivery pipe, one end of the delivery pipe is connected to the water tank, the other end of the delivery pipe is connected to the input end of the flow meter, the output end of the flow meter is connected to the water distribution pipe, and the water distribution pipe is detachably connected to the water inlet pipe through a quick-release structure; the water pump is arranged on the delivery pipe.

[0017] According to some embodiments of the utility model, the quick-release structure includes a quick-release plug and a quick-release interface, the quick-release plug is connected to the water distribution pipe, the quick-release interface is connected to the water inlet pipe, and the quick-release interface is a one-way joint.

[0018] According to a high performance concrete laboratory preparation device of an embodiment of the utility model, at least the following

[0019] Beneficial effects:

[0020] According to the scheme of the utility model, the high-performance concrete laboratory preparation device includes a frame, a mixing drum and a water distribution mechanism; wherein, one end of the mixing drum is provided with an opening, and a cover plate is detachably provided at the opening, and the mixing drum can be sealed by the cover plate; the mixing drum can be rotated and adjusted around a horizontal axis, and when the mixing drum rotates around the horizontal axis, the opening of the mixing drum can be controlled to face upwards, which is convenient for feeding; or the opening of the mixing drum can be controlled to face downwards, which is convenient for pouring the mixed materials into the collecting hopper. In this scheme, after the feeding is completed, the mixing drum can be controlled to rotate around its own axis, and the mixing of the materials in the mixing drum is completed during the rotation process. In this scheme, a flow meter is provided on the water distribution pipe, and the dosage of the injected liquid can be accurately controlled by the flow meter. Through the design of this structure, laboratory mixing of materials can be carried out quickly and reliably, and it has the advantages of high automation and high efficiency, reduced labor costs, and improved laboratory preparation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A structural schematic diagram of the utility model;

[0022] Figure 2 A cross-sectional structural schematic diagram of the utility model;

[0023] Figure 3 For the utility model Figure 2 A schematic diagram of the enlarged local structure at A;

[0024] Figure 4 It is a partial structural cross-sectional schematic diagram of the utility model;

[0025] Figure 5 It is a schematic diagram of an enlarged local structure of the utility model.

[0026] In the figure:

[0027] 100-frame, 101-collecting hopper;

[0028] 200 - mixing drum, 201 - baffle, 210 - cover plate, 211 - abutment block, 220 - water inlet pipe, 230 - sealing ring, 231 - opening groove;

[0029] 300-water distribution mechanism, 310-water distribution pipe, 320-flow meter, 330-delivery pipe, 340-quick release structure, 341-quick release plug, 342-quick release interface;

[0030] 400-position adjustment mechanism, 410-adjusting arm, 411-shaft sleeve, 412-limiting shaft, 420-limiting assembly, 421-chuck, 422-limiting seat, 423-turntable, 424-latch, 425-slot, 430-operating lever;

[0031] 500 - rotation drive, 510 - drive shaft, 520 - drive gear, 530 - gear ring, 540 - drive assembly, 541 - drive motor, 542 - first pulley, 543 - second pulley, 544 - belt. DETAILED DESCRIPTION

[0032] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0033] In the description of the present invention, it should be understood that the descriptions involving orientation, such as the orientation or positional relationship indicated as up, down, etc., are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0034] In the description of the present utility model, "a plurality" means more than two. If there is a description of "first" or "second", it is only for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0035] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0036] Reference Figures 1 to 5As shown, the utility model discloses a high-performance concrete laboratory preparation device, including a frame 100, a mixing drum 200 and a water distribution mechanism 300; wherein, a collecting hopper 101 is arranged on the frame 100; one end of the mixing drum 200 is opened, and a cover plate 210 is detachably arranged at the opening; the mixing drum 200 can be rotated and adjusted around a horizontal axis; the mixing drum 200 can rotate around its own axis; the horizontal axis is perpendicular to its own axis; a water inlet pipe 220 is arranged on the barrel wall of the mixing drum 200; the water distribution mechanism 300 is provided with a water distribution pipe 310, and the water distribution pipe 310 and the water inlet pipe 220 are detachably connected; a flow meter 320 is arranged on the water distribution pipe 310. Specifically, in this embodiment, the mixing drum 200 is mainly used for mixing solid materials and liquid materials; one end of the mixing drum 200 is opened, and the weighed solid materials can be put in through the opening; a cover plate 210 is detachably provided at the opening, and the weighed solid materials can be put in through the opening, and the cover plate 210 is installed after the feeding is completed; the mixing drum 200 can be sealed by the cover plate 210 to prevent the dust in the mixing drum 200 from entering the working environment when the mixing drum 200 is mixing the solid and liquid of the dusty materials, thereby reducing dust pollution; the mixing drum 200 can be rotated and adjusted around the horizontal axis; when the mixing drum 200 rotates around the horizontal axis, the opening of the mixing drum 200 can be controlled to face upwards, which is convenient for feeding; or the opening of the mixing drum 200 can be controlled to face downwards, which is convenient for pouring the mixed materials into the collecting hopper 101. In this solution, after the feeding is completed, the mixing drum 200 can be controlled to rotate around its own axis, and the mixing of the materials in the mixing drum 200 is completed during the rotation process. In this solution, a flow meter 320 is provided on the water distribution pipe 310, and the dosage of the injected liquid can be accurately controlled by the flow meter 320. Through the design of this structure, the laboratory material can be mixed quickly and reliably, with the advantages of high automation, high efficiency, reduced labor costs, and improved laboratory preparation efficiency.

[0037] In some embodiments of the utility model, the high-performance concrete laboratory preparation device also includes a position adjustment mechanism 400, which includes an adjustment arm 410, which is rotatably set on the frame 100; the mixing drum 200 and the adjustment arm 410 are rotatably connected; a shaft sleeve 411 is set at one end of the adjustment arm 410, and a limiting shaft 412 is set at the other end of the adjustment arm 410; a limiting assembly 420 is set on the limiting shaft 412 for adjusting the direction of the opening of the mixing drum 200. Specifically, in the present embodiment, the adjusting arm 410 is rotatably arranged on the frame 100, and the mixing drum 200 is rotatably installed on the adjusting arm 410. By arranging the adjusting arm 410, support can be provided for the mixing drum 200. When the adjusting arm 410 rotates around the horizontal axis, the mixing drum 200 can be controlled to rotate around the horizontal axis together. By controlling the limit shaft 412, the opening of the mixing drum 200 can be controlled to face upward and fixed, which is convenient for feeding; or the opening of the mixing drum 200 can be controlled to face downward by controlling the limit shaft 412, which is convenient for pouring the mixed material into the collecting hopper 101. After the materials are put into the mixing drum 200, the axis of the mixing drum 200 is adjusted to have different angles with the horizontal through the limiting shaft 412, thereby forming different working modes. For example, when the axis of the mixing drum 200 is parallel to the horizontal plane, the mixing drum 200 is controlled to rotate around its own axis, thereby achieving optimal mixing efficiency; when the axis of the mixing drum 200 has an angle of 45° with the horizontal plane, it is convenient for the solid and liquid to interact and mix in the mixing drum 200, thereby improving the mixing quality.

[0038] In some embodiments of the utility model, the limiting assembly 420 includes a chuck 421, a limiting seat 422 and a turntable 423. The limiting seat 422 is fixedly connected to the frame 100, the limiting seat 422 is fixedly connected to the chuck 421, and a latch 424 is rotatably provided on the chuck 421; the turntable 423 is fixedly connected to the limiting shaft 412, and a plurality of slots 425 are circumferentially provided on the turntable 423. When the turntable 423 rotates, the latch 424 can enter or disengage from the slot 425. Specifically, in the present embodiment, the turntable 423 is arranged with 8 slots 425 in the circumferential direction. By controlling the rotation of the limit shaft 412, the rotation of the mixing drum 200 can be controlled. When the mixing drum 200 is rotated to the specified position, the slots 425 and the latch 424 are aligned. The latch 424 is rotated and embedded into the slots 425. The rotation of the turntable 423 can be limited, thereby fixing the mixing drum 200. Through the design of this structure, the fixing effect is good, and the position of the mixing drum 200 is convenient to adjust and control.

[0039] In some embodiments of the utility model, a joystick 430 is provided on the limit shaft 412. In this embodiment, the position adjustment mechanism 400 includes an adjustment arm 410, which is rotatably arranged on the frame 100; the mixing drum 200 and the adjustment arm 410 are rotatably connected; a sleeve 411 is provided at one end of the adjustment arm 410, and the limit shaft 412 is provided on the adjustment arm 410; the limit shaft 412 passes through the frame 100, the limit seat 422, the chuck 421 and the turntable 423 in sequence, wherein the limit shaft 412 and the turntable 423 are fixedly connected, and a joystick 430 is provided at the end of the limit shaft 412, and the rotation of the adjustment arm 410 can be controlled by controlling the joystick 430, thereby controlling the rotation of the mixing drum 200. In this embodiment, the lever principle is adopted for easy operation.

[0040] In some embodiments of the utility model, a rotary drive 500 is also included, and the rotary drive 500 includes a drive shaft 510, a drive gear 520, a ring gear 530 and a drive assembly 540; the drive shaft 510 is rotatably connected to the frame 100; the drive shaft 510 is rotatably connected to the sleeve 411; one end of the drive shaft 510 is fixedly connected to the drive gear 520, and the other end of the drive shaft 510 is transmission-connected to the drive assembly 540; the ring gear 530 is fixedly connected to the mixing drum 200, and the drive gear 520 and the ring gear 530 are meshed. In this embodiment, the ring gear 530 is sleeved on the mixing drum 200, and the direction of the teeth on the ring gear 530 is the same as the axis of the mixing drum 200. By controlling the rotation of the drive shaft 510, the gear rotation can be controlled, so that the ring gear 530 is turned to control the mixing shaft to rotate around its own axis. Through the design of this mechanism, the degree of automation is high and the work efficiency is improved. It can be understood that in this embodiment, the control of the rotation of the drive shaft 510 can be a hand wheel or a motor.

[0041] In some embodiments of the utility model, the drive assembly 540 includes a drive motor 541, a first pulley 542, a second pulley 543 and a belt 544, the drive motor 541 is fixedly connected to the frame 100, the output end of the drive motor 541 is connected to the first pulley 542, the first pulley 542 is connected to the second pulley 543 through the belt 544, and the second pulley 543 is fixedly connected to the drive shaft 510. In this embodiment, the drive motor 541 is used to control the rotation of the drive shaft 510, which has the advantage of high automation. In this embodiment, since the material in the mixing drum 200 is heavy, when the mixing drum 200 is started or stopped, it has a large moment of inertia. By using the belt 544 as a transmission conductor for the drive motor 541 and the drive shaft 510, it can avoid motor overload due to the moment of inertia, thereby improving the service life of the drive assembly 540.

[0042] In some embodiments of the present invention, a plurality of baffles 201 are provided on the inner circumferential wall of the mixing drum 200. Specifically, during operation, the mixing drum 200 can be adjusted to a horizontal axis, and by providing the baffles 201 on the inner circumferential wall of the mixing drum 200, the friction force inside the mixing drum 200 can be increased, thereby improving the mixing efficiency and mixing effect.

[0043] In some embodiments of the utility model, a sealing ring 230 is provided at the opening of the mixing drum 200, and at least one opening groove 231 is provided in the circumference of the sealing ring 230, and a contact block 211 is provided on the cover plate 210 corresponding to the opening groove 231; the contact block 211 can pass through the opening groove 231 and contact the side of the sealing ring 230 away from the cover plate 210. Specifically, when in use, the cover plate 210 is rotated, the contact block 211 of the cover plate 210 is aligned with the opening groove 231, and then the cover plate 210 is pushed so that the cover plate 210 lifts the sealing ring 230, and further, the cover plate 210 is rotated so that the opening groove 231 and the contact block 211 are misaligned, so that the cover plate 210 is firmly fixed on the sealing ring 230, and the mixing drum 200 is relatively sealed. In this embodiment, a rubber ring can also be provided on the sealing ring 230, and the sealing effect of the cover plate 210 can be improved by providing the rubber ring.

[0044] In some embodiments of the utility model, the water distribution mechanism 300 includes a water tank, a water pump and a delivery pipe 330, one end of the delivery pipe 330 is connected to the water tank, the other end of the delivery pipe 330 is connected to the input end of the flow meter 320, the output end of the flow meter 320 is connected to the water distribution pipe 310, and the water distribution pipe 310 is detachably connected to the water inlet pipe 220 through a quick-release structure 340; the water pump is arranged on the delivery pipe 330. In this embodiment, the liquid raw material can be stored by setting a water tank, the liquid raw material in the water tank can be extracted by the water pump and transported through the delivery pipe 330, the input liquid raw material can be accurately controlled by the flow meter, so as to obtain accurate experimental data, and the water distribution pipe 310 can be quickly plugged and unplugged by the quick-release structure 340.

[0045] In some embodiments of the utility model, the quick-release structure 340 includes a quick-release plug 341 and a quick-release interface 342. The quick-release plug 341 is connected to the water distribution pipe 310, and the quick-release interface 342 is connected to the water inlet pipe 220. The quick-release interface 342 is a one-way joint. The design of this structure facilitates plugging and unplugging. Improves work efficiency. In this embodiment, the water distribution pipe 310 is a hose or a corrugated hose.

[0046] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A high performance concrete laboratory preparation device, characterized in that: include: A frame (100), wherein a collecting hopper (101) is arranged on the frame (100); A mixing drum (200), wherein one end of the mixing drum (200) is open, and a cover plate (210) is detachably provided at the opening; the mixing drum (200) can be rotated and adjusted around a horizontal axis; the mixing drum (200) can rotate around its own axis; the horizontal axis is perpendicular to the own axis; a water inlet pipe (220) is provided on the drum wall of the mixing drum (200); A water distribution mechanism (300), wherein the water distribution mechanism (300) is provided with a water distribution pipe (310), wherein the water distribution pipe (310) and the water inlet pipe (220) are detachably connected; and a flow meter (320) is provided on the water distribution pipe (310).

2. The high performance concrete laboratory preparation device according to claim 1, characterized in that: The invention also comprises a position adjustment mechanism (400), wherein the position adjustment mechanism (400) comprises an adjustment arm (410), wherein the adjustment arm (410) is rotatably arranged on the frame (100); the mixing drum (200) and the adjustment arm (410) are rotatably connected; a shaft sleeve (411) is arranged at one end of the adjustment arm (410), and a limiting shaft (412) is arranged at the other end of the adjustment arm (410); and a limiting assembly (420) is arranged on the limiting shaft (412) for adjusting the direction of the opening of the mixing drum (200).

3. The high performance concrete laboratory preparation device according to claim 2, characterized in that: The limiting assembly (420) comprises a chuck (421), a limiting seat (422) and a rotating disk (423); the limiting seat (422) is fixedly connected to the frame (100); the limiting seat (422) is fixedly connected to the chuck (421); a latch (424) is rotatably arranged on the chuck (421); the rotating disk (423) is fixedly connected to the limiting shaft (412); a plurality of slots (425) are circumferentially arranged on the rotating disk (423); when the rotating disk (423) rotates, the latch (424) can enter or escape from the slots (425).

4. The high performance concrete laboratory preparation device according to claim 3, characterized in that: A joystick (430) is provided on the limiting shaft (412).

5. The high performance concrete laboratory preparation device according to claim 2, characterized in that: It also includes a rotary drive (500), wherein the rotary drive (500) includes a drive shaft (510), a drive gear (520), a gear ring (530) and a drive assembly (540); the drive shaft (510) and the frame (100) are rotatably connected; The drive shaft (510) and the shaft sleeve (411) are rotatably connected; One end of the drive shaft (510) is fixedly connected to the drive gear (520), and the other end of the drive shaft (510) is transmission-connected to the drive assembly (540); the ring gear (530) is fixedly connected to the mixing drum (200), and the drive gear (520) and the ring gear (530) are meshed.

6. The high performance concrete laboratory preparation device according to claim 5, characterized in that: The driving assembly (540) comprises a driving motor (541), a first pulley (542), a second pulley (543) and a belt (544); the driving motor (541) is fixedly connected to the frame (100); the output end of the driving motor (541) is transmission-connected to the first pulley (542); the first pulley (542) is transmission-connected to the second pulley (543) via the belt (544); and the second pulley (543) is fixedly connected to the driving shaft (510).

7. The high performance concrete laboratory preparation device according to any one of claims 1 to 6, characterized in that: The inner peripheral wall of the mixing drum (200) is provided with a plurality of baffles (201).

8. The high performance concrete laboratory preparation device according to claim 1, characterized in that: A sealing ring (230) is provided at the opening of the mixing drum (200); at least one opening groove (231) is provided in the circumference of the sealing ring (230); and the cover plate (210) is provided with an abutment block (211) corresponding to the opening groove (231); the abutment block (211) can pass through the opening groove (231) and abut against a side of the sealing ring (230) away from the cover plate (210).

9. The high performance concrete laboratory preparation device according to claim 1, characterized in that: The water distribution mechanism (300) comprises a water tank, a water pump and a delivery pipe (330); one end of the delivery pipe (330) is connected to the water tank, the other end of the delivery pipe (330) is connected to the input end of the flow meter (320), the output end of the flow meter (320) is connected to the water distribution pipe (310), and the water distribution pipe (310) is detachably connected to the water inlet pipe (220) via a quick-release structure (340); and the water pump is arranged on the delivery pipe (330).

10. The high performance concrete laboratory preparation device according to claim 9, characterized in that: The quick-release structure (340) comprises a quick-release plug (341) and a quick-release interface (342); the quick-release plug (341) is connected to the water distribution pipe (310); the quick-release interface (342) is connected to the water inlet pipe (220); and the quick-release interface (342) is a one-way joint.

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