CN209924453U

CN209924453U - Concrete vibrator

Info

Publication number: CN209924453U
Application number: CN201920430608.6U
Authority: CN
Inventors: 王海鱼; 完颜建飞; 熊攀登; 刘峰; 孟竞赛
Original assignee: Second Construction Co Ltd of China Construction Seventh Engineering Division Corp Ltd
Current assignee: Second Construction Co Ltd of China Construction Seventh Engineering Division Corp Ltd
Priority date: 2019-04-01
Filing date: 2019-04-01
Publication date: 2020-01-10
Anticipated expiration: 2029-04-01

Abstract

The utility model discloses a concrete vibrator, including supporting platform and vibrating rod, the supporting platform upper end is equipped with the mounting bracket, vertical symmetry is equipped with the slide rail on the mounting bracket inner wall, be equipped with the slide with slide rail looks adaptation between two slide rails, the symmetry is equipped with two motor one and motor two in the mounting bracket, the output shaft of motor two respectively with retarder connection, the output shaft of reduction gear, the output shaft of motor one respectively with the one end fixed connection of screw rod, the slide cover is established on the screw rod of being connected with motor one and is passed through threaded connection with the screw rod, be equipped with the mounting hole on the slide, be equipped with the movable plate with the big or small looks adaptation of mounting hole in the mounting hole, the symmetry is equipped with two slide openings on the movable plate, be equipped with the sliding sleeve in the slide opening respectively, mounting hole and slide opening inner wall are equipped with the electro-. The concrete vibrator can meet the requirements that the vibrator is high in inserting speed into concrete and low in pulling speed, and the quality of a concrete member is guaranteed.

Description

Concrete vibrator

Technical Field

The utility model relates to a concrete vibrator, concretely relates to concrete vibrator.

Background

When the concrete mixed by the concrete mixer is used for pouring the member, air bubbles in the concrete must be removed, and tamping is carried out to ensure that the concrete is tightly combined, so that the phenomena of honeycomb pitted surface and the like of the concrete are eliminated, the strength of the concrete is improved, and the quality of the concrete member is ensured. The concrete vibrator is a machine for mechanically tamping concrete. The existing vibrator generally adopts a vibrating rod, needs to be manually operated by constructors, and has lower efficiency. And the vibration rod is driven by a motor-driven device to be inserted into or pulled out of the concrete while vibrating by using related auxiliary devices, and the inserting speed and the pulling speed are the same. However, for concrete vibration, the vibrating rod needs to be inserted quickly and pulled out slowly so as to avoid leaving a gap in the concrete, but the existing vibrating rod cannot meet the requirement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a concrete vibrator, it can satisfy the vibrator and insert that the concrete is fast and extract slow requirement, guarantees the concrete member quality.

In order to achieve the above object, the utility model provides a following technical scheme:

a concrete vibrator comprises a supporting platform and a vibrating rod, wherein a mounting frame is arranged at the upper end of the supporting platform, slide rails are vertically and symmetrically arranged on the inner wall of the mounting frame, slide plates matched with the slide rails are arranged between the two slide rails, a first motor and a second motor are symmetrically arranged in the mounting frame, the output shaft of the second motor is respectively connected with a speed reducer, the output shaft of the speed reducer and the output shaft of the first motor are respectively and fixedly connected with one end of a screw rod, the other end of the screw rod is respectively connected with the upper end of the supporting platform through a bearing, the slide plates are sleeved on the screw rod connected with the first motor and are in threaded connection with the screw rod, mounting holes are formed in the slide plates, a movable plate matched with the size of the mounting holes is arranged in the mounting holes, two slide holes are symmetrically formed in the movable plate, slide sleeves are respectively arranged in the slide holes, and are sleeved on the screw, the utility model discloses a vibrating tamper, including mounting hole and sliding sleeve, mounting hole and sliding hole inner wall, be fixed with the magnetism adsorption plate on movable plate and the sliding sleeve outer wall respectively, be equipped with the perforation on mounting bracket upper end, the movable plate respectively, the supporting platform, and three fenestrate center is located same vertical line, the vibrating tamper passes three perforation in proper order, the perforation inner wall of movable plate is fixed with the one end of two above springs one, a spring other end and vibrating tamper outer wall fixed connection.

Preferably, an annular limiting plate is arranged at the upper end of the moving plate.

Preferably, a push rod is arranged at the upper end of the supporting platform.

Preferably, the upper end of the moving plate is fixedly connected with the lower end of the second spring, and the upper end of the second spring is fixedly connected with the mounting frame.

Preferably, the diameter of the through hole is larger than the outer diameter of the vibrating rod.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses can satisfy the vibrator and insert that the concrete is fast and extract slow requirement, guarantee the concrete member quality, and can alleviate staff's intensity of labour.

Drawings

FIG. 1 is a view showing an initial state structure of a concrete vibrator according to an embodiment of the present invention;

FIG. 2 is a state diagram of a concrete vibrator according to an embodiment of the present invention when the vibrator is inserted into concrete;

FIG. 3 is a state diagram of a concrete vibrator according to an embodiment of the present invention when the vibrator is pulled out of the concrete;

FIG. 4 is a top view of a slide plate in an embodiment of the present invention;

fig. 5 is a schematic structural view of a moving plate in an embodiment of the present invention;

in the figure, the vibrating rod comprises a supporting platform 1, a vibrating rod 2, a mounting frame 3, a push rod 4, a push rod 5, a slide rail 6, a slide plate 7, a first motor 8, a second motor 9, a speed reducer 10, a screw rod 11, a mounting hole 12, a moving plate 13, an annular limiting plate 14, a slide hole 15, a sliding sleeve 16, a through hole 17, a first spring 18 and a second spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, a concrete vibrator includes a support platform 1 and a vibrator rod 2. Supporting platform 1 upper end is fixed with mounting bracket 3 and push rod 4, and push rod 4 sets up in mounting bracket 3 one side, and this device can be conveniently removed to the staff to push rod 4. Vertical symmetry is equipped with slide rail 5 on the 3 inner walls of mounting bracket, and slide rail 5 is fixed on mounting bracket 3, is equipped with the slide 6 with slide rail looks adaptation between two slide rails 5, and slide 6 both ends are installed respectively on slide rail 5. Two motors I7 and two motors II 8 are symmetrically arranged in the mounting frame 3, output shafts of the motors II 8 are respectively connected with the speed reducer 9, output shafts of the speed reducer 9 and the motors I7 are respectively fixedly connected with one end of the screw rod 10, the other end of the screw rod is respectively connected with the upper end of the supporting platform 1 through a bearing, and the sliding plate 6 is sleeved on the screw rod connected with the motors I and is in threaded connection with the screw rod.

The sliding plate 6 is provided with a mounting hole 11, a moving plate 12 matched with the mounting hole in size is arranged in the mounting hole 11, and an annular limiting plate 13 is arranged at the upper end of the moving plate 12. Two sliding holes 14 are symmetrically formed in the moving plate 12, sliding sleeves 15 are respectively arranged in the sliding holes 14, and the sliding sleeves 15 are sleeved on a screw rod connected with the speed reducer 9 and are in threaded connection with the screw rod. Electromagnets are respectively arranged on the inner walls of the mounting hole 11 and the sliding hole 14, magnetic adsorption plates are respectively fixed on the outer walls of the moving plate 12 and the sliding sleeve 15, and the magnetic adsorption blocks are suitable for magnetic attraction with the energized electromagnets. Be equipped with perforation 16 respectively on 3 upper ends of mounting bracket, the movable plate 12, the supporting platform 1, perforation 16's diameter is greater than the external diameter of vibrating rod 2, and the center of three perforation 16 is located same vertical line, and vibrating rod 2 passes three perforation 16 in proper order. The perforated inner wall of the moving plate 12 is fixed with one end of a first spring 17, the other end of the first spring 17 is fixedly connected with the outer wall of the vibrating rod 2, and the first spring is arranged to reduce vibration of the vibrating rod to bring the vibrating rod to shake. The upper end of the moving plate 12 is fixedly connected with the lower end of the second spring 18, and the upper end of the second spring 18 is fixedly connected with the mounting frame 3.

The motor control system is characterized by further comprising a controller, wherein the controller is electrically connected with the first motor 7, the second motor 8, the speed reducer 9 and the electromagnet respectively, and the controller can control the first motor 7, the second motor 8, the speed reducer 9 and the electromagnet to work.

The working principle and the using method are as follows: the initial state of the device is shown in fig. 1, at this time, the electromagnets on the sliding hole 14 and the mounting hole 11 are both electrified, the sliding sleeve 15 is fixed in the sliding hole 14 of the moving plate 12, the moving plate 12 is fixed on the sliding plate 6, the second spring 18 is in a compressed state, and the sliding plate 6 and the moving plate 12 are located at the highest position of the moving stroke. When vibration begins, the electromagnet on the inner wall of the sliding hole 14 is powered off, the sliding sleeve 15 and the moving plate 12 are not fixed, the motor I7 and the vibrating rod 2 are started, the motor I7 drives the screw rod connected with the motor I to rotate, the screw rod drives the sliding plate 6 to move downwards along the sliding rail 5, and the moving plate 12 and the vibrating rod 2 move downwards along with the sliding plate 6. Under the rapid rotation of the first motor 7 and the action of the second spring 18, the vibrating rod 2 can be rapidly inserted into the concrete, and the state of the vibrating rod 2 when moving downwards is shown in fig. 2. When the vibrating rod 2 needs to be pulled out, the motor II 8 is started, the motor II 8 drives the screw rod to rotate through the speed reducer 9, the sliding sleeve 15 on the screw rod rotates along with the screw rod, the electromagnet in the sliding hole 14 is electrified until the sliding sleeve 15 enters the sliding hole 14, the sliding sleeve 15 is fixed with the moving plate 12, the electromagnet in the mounting hole 11 is powered off, the moving plate 12 and the sliding plate 6 are not fixed any more, the moving plate 12 moves upwards under the driving of the motor II 8, and the vibrating rod 2 moves upwards along with the moving plate 6. Under the contraction action of the speed reducer 9 and the second spring 18, the speed of the vibrating rod 2 for pulling out the concrete is greatly reduced. The vibrating rod 2 is moved upward as shown in fig. 3. When the vibrating rod 2 needs to vibrate downwards again, the sliding plate 6 is moved to the movable plate 12 only through the first motor 7, when the sliding plate 6 is in contact with the annular limiting plate 13, the electromagnet in the mounting hole 11 is electrified again, and downward vibration can be carried out according to the process.

The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or scope of the invention as defined in the accompanying claims.

Claims

1. A concrete vibrator, its characterized in that: the vibrating rod comprises a supporting platform and a vibrating rod, wherein a mounting frame is arranged at the upper end of the supporting platform, slide rails are vertically and symmetrically arranged on the inner wall of the mounting frame, a slide plate matched with the slide rails is arranged between the two slide rails, a first motor and a second motor are symmetrically arranged in the mounting frame, the output shaft of the second motor is respectively connected with a speed reducer, the output shaft of the speed reducer and the output shaft of the first motor are respectively and fixedly connected with one end of a screw rod, the other end of the screw rod is respectively connected with the upper end of the supporting platform through a bearing, the slide plate is sleeved on the screw rod connected with the first motor and is in threaded connection with the screw rod, a mounting hole is arranged on the slide plate, a moving plate matched with the size of the mounting hole is arranged in the mounting hole, two slide holes are symmetrically arranged on the moving plate, slide sleeves are respectively arranged in, the utility model discloses a vibrating tamper, including mounting hole and sliding sleeve, mounting hole and sliding hole inner wall, be fixed with the magnetism adsorption plate on movable plate and the sliding sleeve outer wall respectively, be equipped with the perforation on mounting bracket upper end, the movable plate respectively, the supporting platform, and three fenestrate center is located same vertical line, the vibrating tamper passes three perforation in proper order, the perforation inner wall of movable plate is fixed with the one end of two above springs one, a spring other end and vibrating tamper outer wall fixed connection.

2. The concrete vibrator according to claim 1, wherein: and an annular limiting plate is arranged at the upper end of the moving plate.

3. The concrete vibrator according to claim 1, wherein: the upper end of the supporting platform is provided with a push rod.

4. The concrete vibrator according to claim 1, wherein: the upper end of the moving plate is fixedly connected with the lower end of the second spring, and the upper end of the second spring is fixedly connected with the mounting frame.

5. The concrete vibrator according to claim 1, wherein: the diameter of the through hole is larger than the outer diameter of the vibrating rod.