CN114278097A

CN114278097A - Concrete vibrator for engineering construction

Info

Publication number: CN114278097A
Application number: CN202210080073.0A
Authority: CN
Inventors: 赵张磊; 李锐; 张琪
Original assignee: Xuzhou Lifang Mechanical And Electrical Equipment Manufacturing Co ltd
Current assignee: Xuzhou Lifang Mechanical And Electrical Equipment Manufacturing Co ltd
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-04-05

Abstract

The invention relates to the technical field of vibrators, and discloses a concrete vibrator for engineering construction. The invention designs a heavy hammer, a magnetic ball, a connecting rod, a magnetic hitting ball, a fixing plate, a small air bag, a movable cavity, a swing rod and a hitting hammer, drives a flexible shaft to rotate by utilizing an eccentric block through a transmission shaft, so that the heavy hammer is promoted to rotate circumferentially in the vibrating rod, the connecting rod is promoted to drive the magnetic hitting ball to rotate circumferentially under the action of the magnetic ball, the small air bag is squeezed by utilizing the circumferential rotation of the connecting rod and the magnetic hitting ball, gas in the small air bag is promoted to enter the movable cavity through a through hole in a squeezing mode, the swing rod is promoted to drive the hitting hammer to swing, and therefore the swinging of the swing rod and the hitting hammer is utilized to enable the hitting hammer to hit the side wall of the movable cavity and generate vibration, so that the head of the vibrator can also generate vibration, and the vibrating efficiency of the vibrator is improved.

Description

Concrete vibrator for engineering construction

Technical Field

The invention relates to the technical field of vibrators, in particular to a concrete vibrator for engineering construction.

Background

The concrete vibrator is one kind of common auxiliary concrete pouring equipment for building construction, and is used in discharging bubbles from concrete to tamp concrete, so as to combine concrete closely and eliminate honeycomb surface and other phenomena to raise its strength and ensure the quality of concrete member.

But current concrete vibrator is through eccentric mechanism drive flexible axle rotation, thereby produce the vibration, when the flexible axle is crooked, the transmission rate of transfer is lower, it is not good to make vibrator's vibration efficiency, and vibration frequency is difficult to transmit to vibrator's head, it is worst to make vibrator's head vibration efficiency, thereby it is longer to lead to the time that consumes when using, thereby influence the progress of construction, and concrete is very easily adhered in vibrator's outward appearance after using the completion, be difficult to get rid of after air-drying condenses, make reuse vibrator be that the concrete of outward appearance adhesion can with vibrator's partial vibration neutralization, thereby lead to vibrator's efficiency reduction.

Disclosure of Invention

Aiming at the defects of the existing vibrator in the using process in the background technology, the invention provides the concrete vibrator for engineering construction, which has the advantages of improving the vibration strength of the vibrator and facilitating the falling off of concrete adhered to the outer surface of the vibrator, and solves the technical problems in the background technology.

The invention provides the following technical scheme: a concrete vibrator for engineering construction comprises a vibrating rod, a flexible shaft, a heavy hammer and a fixing plate, wherein a vibrating cavity is formed in the side wall of the vibrating rod, a sliding plate is connected in the vibrating cavity in a sliding manner, compression springs are fixedly connected to the upper side and the lower side of the sliding plate, a big air bag is fixedly connected to the side wall of the inner cavity of the vibrating rod, an air hole is formed in the side wall of the vibrating rod between the big air bag and the vibrating cavity, a magnetic ball is fixedly arranged in the heavy hammer, the inner cavity of the vibrating rod is fixedly connected to the right side of the heavy hammer, a through hole is formed in the middle of the fixing plate, a small air bag is fixedly connected to the middle of the left side face of the fixing plate by upper side, a pressing plate is fixedly connected to the top of the small air bag, a spring is fixedly connected to the top of the pressing plate, and a connecting rod is movably hinged to the left side face of the fixing plate, which is located at the lower side of the small air bag, the top end of the connecting rod is fixedly connected with a magnetic ball striking device, the middle of the right side face of the fixing plate is fixedly provided with a movable cavity, the right side face of the fixing plate is movably hinged with a swing rod in the movable cavity, and the top end of the swing rod is fixedly connected with a hammer.

Preferably, the quantity of vibration chamber and big gasbag is four, four the position of vibration chamber and big gasbag corresponds, and through the gas pocket intercommunication between vibration chamber and the big gasbag, the side of slide and the lateral wall sliding contact of vibration intracavity chamber, the terminal surface that big gasbag is close to flexible axle one side sets up to the arc of indent.

Preferably, the magnetism of magnetic ball is opposite with the magnetism of magnetism batting, the connecting rod drives magnetism batting and rotates the inside wall contact of magnetism batting and vibrating rod when the downside, the connecting rod drives magnetism batting and rotates magnetism batting and contact with the small bag when the upside, the material of connecting rod is the same with the material of flexible axle.

Preferably, the small air bag is communicated with the interior of the movable cavity through a through hole, the swing rod is positioned on the lower side of the through hole, and the swing rod deflects upwards in an initial state.

Preferably, the vibrating rod is internally provided with a limiting plate fixedly connected to the left side of the small air bag, two side faces of the pressing plate are in sliding contact with the side faces of the limiting plates on the side faces of the fixing plate respectively, the small air bag is only located at the through hole and is fixedly connected with the fixing plate, and the part of the small air bag corresponding to the through hole and the rest of the limiting plate are in movable contact with the fixing plate and the limiting plate respectively.

The invention has the following beneficial effects:

1. the invention designs a heavy hammer, a magnetic ball, a connecting rod, a magnetic hitting ball, a fixing plate, a small air bag, a movable cavity, a swing rod and a hitting hammer, drives a flexible shaft to rotate by utilizing an eccentric block through a transmission shaft, so that the heavy hammer is promoted to rotate circumferentially in the vibrating rod, the connecting rod is promoted to drive the magnetic hitting ball to rotate circumferentially under the action of the magnetic ball, the small air bag is squeezed by utilizing the circumferential rotation of the connecting rod and the magnetic hitting ball, gas in the small air bag is promoted to enter the movable cavity through a through hole in a squeezing mode, the swing rod is promoted to drive the hitting hammer to swing, and therefore the swinging of the swing rod and the hitting hammer is utilized, the hitting hammer is beaten on the side wall of the movable cavity and vibrates, the head of the vibrator can also vibrate, and the vibrating efficiency of the vibrator is increased.

2. According to the vibrating rod, the heavy hammer, the magnetic ball, the connecting rod and the magnetic ball are designed, the transmission shaft drives the flexible shaft to rotate through the eccentric block, so that the flexible shaft drives the heavy hammer to circumferentially rotate and generate vibration inside the vibrating rod, and simultaneously, due to the attraction effect between the magnetic ball and the magnetic ball, the connecting rod is promoted to drive the magnetic ball to circumferentially rotate while the heavy hammer circumferentially rotates inside the vibrating rod, so that the magnetic ball is also hit on the inner wall of the vibrating rod when the heavy hammer vibrates and hits the inner wall of the vibrating rod, resonance is generated between the heavy hammer and the magnetic ball, the vibration frequency inside the vibrating rod is promoted to be increased, and the vibrating efficiency of the vibrating rod is improved.

3. According to the vibrating rod, the vibrating cavity, the sliding plate, the pressure spring, the big air bag, the air hole and the flexible shaft are designed, the big air bag in the vibrating rod is extruded through the rotation of the flexible shaft, so that air in the big air bag is extruded to enter the vibrating cavity through the air hole, the air pressure in the vibrating cavity is increased, the sliding plate is pushed to move upwards, the pressure spring on the sliding plate is extruded to accumulate force, the vibration in the vibrating cavity is promoted, the vibration in the vibrating cavity is utilized to enable concrete adhered to the surface of the vibrating rod to fall off, and the phenomenon that the concrete adhered to the surface of the vibrating rod is difficult to remove after air drying is avoided, and the vibrating efficiency of the vibrating rod is reduced.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of the structure of the flexible shaft in a rotating state according to the present invention;

FIG. 3 is a schematic view of the internal structure of the vibrating rod of the present invention at the cross section;

FIG. 4 is an enlarged view of the structure at A in FIG. 1 according to the present invention.

In the figure: 1. vibrating a tamper; 11. a vibration chamber; 12. a slide plate; 13. a pressure spring; 14. a large air bag; 15. air holes; 2. a drive shaft; 3. an eccentric block; 4. a flexible shaft; 5. a weight; 51. a magnetic ball; 6. a fixing plate; 61. a through hole; 62. a small air bag; 63. pressing a plate; 64. a spring; 65. a connecting rod; 66. magnetic hitting; 67. a movable cavity; 68. a swing rod; 69. and (5) hammering.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 and 2, a concrete vibrator for engineering construction comprises a vibrating rod 1, a transmission shaft 2 is arranged at the left middle part of the vibrating rod 1 in a transmission manner, an eccentric block 3 is fixedly sleeved at one end, extending into the vibrating rod 1, of the transmission shaft 2, a flexible shaft 4 is movably hinged to the right side of the eccentric block 3, a heavy hammer 5 is fixedly connected to the top end of the flexible shaft 4, and centrifugal force of the eccentric block 3 enables the flexible shaft 4 to drive the heavy hammer 5 to rotate inside the vibrating rod 1 so as to generate vibration to vibrate and exhaust concrete.

Referring to fig. 1, 2, 3 and 4, a vibration cavity 11 is formed inside a side wall of a vibrating rod 1, a sliding plate 12 is slidably connected inside the vibration cavity 11, compression springs 13 are fixedly connected to upper and lower sides of the sliding plate 12, a big air bag 14 is fixedly connected to a side wall of an inner cavity of the vibrating rod 1, an air hole 15 is formed between the big air bag 14 and the vibration cavity 11 on the side wall of the vibrating rod 1, the number of the vibration cavity 11 and the big air bag 14 is four, the four vibration cavities 11 correspond to the big air bag 14, the vibration cavity 11 is communicated with the big air bag 14 through the air hole 15, a side surface of the sliding plate 12 is in sliding contact with the side wall of the inner cavity of the vibration cavity 11, an end surface of the big air bag 14, which is close to one side of a flexible shaft 4, is set to be in an inward concave arc shape, so that the big air bag 14 is extruded when the flexible shaft 4 rotates circumferentially inside the vibrating rod 1, and gas inside the big air bag 14 is extruded into the vibration cavity 11, the magnetic ball 51 is fixedly arranged inside the heavy hammer 5, the fixing plate 6 is fixedly connected to the inner cavity of the vibrating rod 1, which is positioned on the right side of the heavy hammer 5, the through hole 61 is formed in the middle of the fixing plate 6, the small air bag 62 is fixedly connected to the middle of the left side of the fixing plate 6, the pressing plate 63 is fixedly connected to the top of the small air bag 62, the limiting plate is fixedly connected to the left side of the small air bag 62 inside the vibrating rod 1, the two side surfaces of the pressing plate 63 are respectively in sliding contact with the side surfaces of the limiting plates on the side surfaces of the fixing plate 6, so that the pressing plate 63 is driven by the spring 64 to slide between the fixing plate 6 and the limiting plates when the vibrating rod 1 vibrates by itself, the small air bag 62 is extruded, only the small air bag 62 is positioned at the through hole 61 and is fixedly connected with the fixing plate 6, and the part of the small air bag 62 corresponding to the through hole 61 and the other parts of the limiting plates are respectively in movable contact with the fixing plate 6 and the limiting plates, the small air bag 62 is ensured not to be influenced by the fixed plate 6 and the limiting plate when being deformed by extrusion, the top of the pressing plate 63 is fixedly connected with a spring 64, the left side surface of the fixed plate 6 is movably hinged with a connecting rod 65 at the lower side of the small air bag 62, the top end of the connecting rod 65 is fixedly connected with a magnetic ball 66, the magnetism of the magnetic ball 51 is opposite to that of the magnetic ball 66, the magnetic ball 66 can be driven by magnetic attraction to rotate circumferentially when the flexible shaft 4 drives the magnetic ball 51 to rotate circumferentially, the magnetic ball 66 is contacted with the inner side wall of the vibrating rod 1 when the connecting rod 65 drives the magnetic ball 66 to rotate to the lower side, the magnetic ball 66 can be ensured to be simultaneously hit against the inner side wall of the vibrating rod 1 with the heavy hammer 5 to generate resonance, the vibration frequency of the vibrating rod 1 is increased, the magnetic ball 66 is contacted with the small air bag 62 when the connecting rod 65 drives the magnetic ball 66 to rotate to the upper side, the material of the connecting rod 65 is the same as that of the flexible shaft 4, the fixed movable chamber 67 that is equipped with in middle part of fixed plate 6 right flank, the inside activity that the right flank of fixed plate 6 is located movable chamber 67 is articulated to have pendulum rod 68, little gasbag 62 passes through hole 61 and the inside intercommunication in movable chamber 67, pendulum rod 68 is located the downside of through hole 61, the initial condition of pendulum rod 68 is for upwards deflecting, the top fixedly connected with hammer 69 of pendulum rod 68, gas in having guaranteed little gasbag 62 gets into can make pendulum rod 68 drive hammer 69 swing after movable chamber 67, thereby hit the top that produces the vibration and transmit to the vibrating rod 1 to the lateral wall of movable chamber 67.

Referring to fig. 1, 2, 3 and 4, when the vibrating rod 1 is used to vibrate and exhaust concrete, the transmission shaft 2 drives the eccentric block 3 and the flexible shaft 4 to rotate axially in the inner cavity of the vibrating rod 1 and generate vibration, and the magnetic ball 51 inside the weight 5 on the top end of the flexible shaft 4 is used to make the magnetic ball 66 circumferentially rotate under the magnetic attraction of the magnetic ball 51 and the action of the connecting rod 65, so that the magnetic ball 66 and the weight 5 can simultaneously hit the inner side wall of the vibrating rod 1, resonance is generated between the magnetic ball 66 and the weight 5, the frequency of vibration generated inside the vibrating rod 1 is increased, the vibration effect of the vibrating rod 1 is improved, the small air bag 62 is squeezed by the circumferentially rotating magnetic ball 66, air inside the small air bag 62 is forced to enter the movable cavity 67, and self-vibration of the vibrating rod 1 is used in cooperation with the spring 64, the small air bag 62 can be simultaneously extruded by the pressing plate 63 to transmit gas into the movable cavity 67, the swing rod 68 in the movable cavity 67 is enabled to drive the hammer 69 to deflect and swing, the hammer 69 is enabled to strike the inner side wall of the movable cavity 67 by utilizing the swinging of the hammer 69 so as to generate vibration, the vibration generated by the hammer 69 striking the movable cavity 67 is transmitted to the head of the vibrating rod 1, the head of the vibrating rod 1 can vibrate while the vibrating rod 1 works, the vibration efficiency of the vibrating rod 1 is improved, the construction progress is accelerated, meanwhile, the large air bag 14 is extruded when the inner cavity of the vibrating rod 1 rotates circumferentially through the flexible shaft 4, the gas in the large air bag 14 enters the vibrating cavity 11 through the air hole 15, the gas pressure in the vibrating cavity 11 is increased so as to enable the sliding plate 12 to slide, and the vibration is generated in the vibrating cavity 11 by the sliding of the sliding plate 12 and the matching of the pressure spring 13, and conduct to on the lateral wall of the stick that vibrates 1, make the concrete of stick that vibrates 1 apparent adhesion drop, avoid the concrete adhesion to be difficult to get rid of after the outward appearance of the stick that vibrates 1 is air-dried and influence the conduction efficiency of the vibration of the stick that vibrates 1.

The using method of the invention has the following working principle:

firstly, when the concrete is vibrated and exhausted, the transmission shaft 2 is utilized to drive the eccentric block 3 and the flexible shaft 4 to rotate to generate vibration, meanwhile, the magnetic ball 51 at the top end of the flexible shaft 4 is utilized to drive the connecting rod 65 and the magnetic ball 66 to rotate in the circumferential direction through magnetic attraction, the magnetic ball 66 extrudes the small air bag 62, so that the gas in the small air bag 62 enters the movable cavity 67 through the through hole 61, the swing rod 68 is promoted to drive the hammer 69 to swing, so that the hammer continuously impacts the inner side wall of the movable cavity 67, meanwhile, through the self-vibration of the vibrating rod 1, the spring 64 is promoted to drive the pressing plate 63 to continuously extrude the small air bag 62, so that the gas in the small air bag 62 enters the movable cavity 67, secondly, through the circumferential rotation of the flexible shaft 4, the flexible shaft 4 continuously extrudes the large air bag 14 on the inner side wall of the vibrating rod 1, so that the gas in the large air bag 14 enters the vibrating cavity 11 through the air hole 15, and the sliding plate 12 is promoted to slide in the vibrating cavity 11, and the cooperation through pressure spring 13 impels the inside vibration that produces in vibration chamber 11 to impel the concrete of the 1 outward appearance adhesion of vibrating rod to drop, thereby avoid the concrete adhesion to be difficult to get rid of after the outward appearance of vibrating rod 1 air-dries and influence the efficiency of vibrating rod 1.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a concrete vibrator for engineering construction, includes vibrating rod (1), flexible axle (4), weight (5) and fixed plate (6), its characterized in that: the vibrating rod is characterized in that a vibrating cavity (11) is formed in the side wall of the vibrating rod (1), a sliding plate (12) is connected to the inside of the vibrating cavity (11) in a sliding mode, compression springs (13) are fixedly connected to the upper side and the lower side of the sliding plate (12), a big air bag (14) is fixedly connected to the side wall of the inner cavity of the vibrating rod (1), an air hole (15) is formed in the side wall of the vibrating rod (1) and located between the big air bag (14) and the vibrating cavity (11), a magnetic ball (51) is fixedly arranged in the heavy hammer (5), a fixing plate (6) is fixedly connected to the right side of the heavy hammer (5) in the inner cavity of the vibrating rod (1), a through hole (61) is formed in the middle of the fixing plate (6), a small air bag (62) is fixedly connected to the middle of the left side face of the fixing plate (6), a pressing plate (63) is fixedly connected to the top of the small air bag (62), and a spring (64) is fixedly connected to the top of the pressing plate (63), the left side of fixed plate (6) is located the downside activity hinge joint of little gasbag (62) and has connecting rod (65), ball (66) are hit to the top fixedly connected with magnetism of connecting rod (65), the fixed movable chamber (67) that is equipped with in middle part of fixed plate (6) right flank, the inside activity hinge joint that the right side of fixed plate (6) is located movable chamber (67) has pendulum rod (68), the top fixedly connected with of pendulum rod (68) hits hammer (69).

2. The concrete vibrator for engineering construction according to claim 1, wherein: the quantity of vibration chamber (11) and big gasbag (14) is four, four the position of vibration chamber (11) and big gasbag (14) corresponds, and through gas pocket (15) intercommunication between vibration chamber (11) and big gasbag (14), the side of slide (12) and the lateral wall sliding contact of vibration chamber (11) inner chamber, the terminal surface that big gasbag (14) are close to flexible axle (4) one side sets up the arc into the indent.

3. The concrete vibrator for engineering construction according to claim 1, wherein: magnetism and magnetism that ball (66) were hit to magnetism of magnetism ball (51) are opposite, connecting rod (65) drive magnetism hit ball (66) and the inside wall contact of vibrating rod (1) when rotating to the downside, ball (66) and little gasbag (62) contact are hit to magnetism when connecting rod (65) drive magnetism hit ball (66) rotate to the upside, the material of connecting rod (65) is the same with the material of flexible axle (4).

4. The concrete vibrator for engineering construction according to claim 1, wherein: the small air bag (62) is communicated with the interior of the movable cavity (67) through the through hole (61), the swing rod (68) is located on the lower side of the through hole (61), and the swing rod (68) deflects upwards in an initial state.

5. The concrete vibrator for engineering construction according to claim 1, wherein: the utility model discloses a vibrating rod, including vibrating rod (1), pressing plate (63), fixing plate (6), limiting plate (62), fixing plate (6), fixing plate (62), fixing plate (6) and limiting plate (61), the inside left side fixedly connected with limiting plate that is located ballonet (62) of vibrating rod (1), the both sides face of pressing plate (63) respectively with the side sliding contact of the side limiting plate of fixed plate (6), ballonet (62) only are located through-hole (61) department and fixed plate (6) fixed connection, and the portion that corresponds with through-hole (61) department on ballonet (62) and the remaining portion of limiting plate fixed connection respectively with fixed plate (6) and limiting plate movable contact.