Concrete vibrating device

Abstract

The utility model provides a concrete vibrating device, and belongs to the technical field of concrete construction. The concrete vibrating device comprises a bottom plate, a fixing frame, a lead screw, a lifting plate, a vibrating assembly, a containing groove, a mud scraping plate and a mounting cover. The multiple vibrating assemblies are mounted on the lifting plate, and the two lead screws are in threaded connection with the lifting plate, so that when the two lead screws drive the lifting plate to move up and down, the lifting plate drives the multiple vibrating assemblies to move up and down, the multiple vibrating assemblies can be embedded into concrete, and then the vibrating assemblies are started; and the concrete is vibrated by the vibrating assembly. Meanwhile, the mud scraping plate is positioned on the outer side of the vibrating assembly through the mounting cover, so that when the vibrating assembly moves upwards from the inside of the concrete, the mud scraping plate scrapes the concrete adhered to the outer wall of the vibrating assembly, and the situation that the vibrating effect of the vibrating assembly is reduced due to the fact that the air-dried concrete is adhered to the outer wall of the vibrating assembly is avoided; and the use experience of the product is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of concrete construction, and specifically relates to a concrete vibrating device. Background Art

[0002] In the related art, during the construction process of concrete, in order to eliminate the honeycomb and other phenomena of the concrete, it is necessary to vibrate the concrete to remove the bubbles in the concrete.

[0003] The prior art (Announcement No.: CN220539242U) discloses a concrete vibrating device, which opens vibration holes in an array on a push plate and inserts vibrating rods into the vibration holes. When in use, the push plate is pushed to a position where vibration is required by a push rod, and then the vibrating rod is driven by a driving assembly to insert into the concrete. The concrete is vibrated simultaneously by multiple vibrating rods, which can effectively expel the air in the concrete. At the same time, the spacing between adjacent vibrating rods is the same, which can effectively prevent the reduction of structural strength caused by the uneven spacing between the vibrating rods and the incomplete exhaust of concrete air, and is convenient to use.

[0004] In the prior art, when the vibrating rod is pulled out of the concrete, the outer wall of the vibrating rod will be adhered to the concrete. If the concrete continues to adhere to the outer wall of the vibrating rod after air-drying, the vibrating effect of the vibrating rod will be reduced, thereby reducing the user experience of the product. Utility Model Content

[0005] In order to solve the problem in the prior art that when the vibrating rod is pulled out of the concrete, concrete will be adhered to the outer wall of the vibrating rod. If the concrete continues to adhere to the outer wall of the vibrating rod after air-drying, the vibrating effect of the vibrating rod will be reduced, thereby reducing the product usage experience, the utility model provides a concrete vibrating device, which uses an installation cover to position the scraper plate on the outside of the vibrating component, so that when the vibrating component moves upward from the concrete, the scraper plate will scrape off the concrete adhered to the outer wall of the vibrating component, thereby avoiding the situation where the vibrating effect of the vibrating component is reduced due to the air-dried concrete adhering to the outer wall of the vibrating component, so as to improve the product usage experience. The specific technical scheme is as follows:

[0006] A concrete vibrating device, the concrete vibrating device comprises: a base plate, a fixing frame, a lead screw, a lifting plate, a vibrating assembly, a containing groove, a scraper and a mounting cover; the fixing frame is fixed to the base plate; an external thread is arranged on the outer wall of the lead screw, two lead screws are embedded in the fixing frame, one end of the two lead screws is rotatably connected to the base plate, and the other end of the two lead screws is rotatably connected to the fixing frame; two threaded holes are arranged on the lifting plate, internal threads are arranged in the threaded holes, the lifting plate is embedded in the fixing frame, and the two lead screws pass through the two threaded holes on the lifting plate respectively; a plurality of vibrating assemblies are arranged on the lifting plate, and a plurality of vibrating assemblies pass through the base plate; the containing groove is arranged at the bottom of the base plate; the scraper is an elastic body, the scraper is embedded in the containing groove, and the scraper is sleeved on the outside of the vibrating assembly; a positioning groove is arranged in the mounting cover, the mounting cover is embedded in the containing groove, the mounting cover is wound around the outside of the vibrating assembly, the mounting cover is connected to the base plate, and the scraper is embedded in the positioning groove; wherein the external thread is adapted to the internal thread.

[0007] In addition, the concrete vibrating device in the above technical solution provided by the utility model may also have the following additional technical features:

[0008] In the above technical solution, the concrete vibrating device also includes: a synchronous wheel and a synchronous belt; the two synchronous wheels are respectively mounted on the outside of the two screws, and the two synchronous wheels are located above the fixed frame; the synchronous belt is simultaneously mounted on the outside of the two synchronous wheels.

[0009] In the above technical solution, the concrete vibrating device also includes: a motor frame and a motor body; the motor frame is L-shaped, the motor frame is fixed on the fixing frame, and the motor frame is wound around the outside of a screw; the motor body is provided with an output shaft, the motor body is fixed on the motor frame, and the output shaft of the motor body is connected to a screw.

[0010] In the above technical solution, the concrete vibrating device also includes: a first bearing and a second bearing; the first bearing is sleeved on one end of the lead screw and embedded in the base plate; the second bearing is sleeved on the other end of the lead screw and embedded in the fixing frame.

[0011] In the above technical solution, the concrete vibrating device also includes: a light bar; two light bars are embedded in the fixing frame, one end of the two light bars is connected to the bottom plate, the other end of the two light bars is connected to the fixing frame, and the two light bars pass through the lifting plate.

[0012] In the above technical solution, the concrete vibrating device also includes: a first clearance hole and a second clearance hole; the first clearance hole is arranged in the base plate, and the first clearance hole is arranged around the outside of the vibrating assembly; the second clearance hole is arranged in the mounting cover, and the second clearance hole is arranged around the outside of the vibrating assembly.

[0013] In the above technical solution, the concrete vibrating device also includes: a vertical plate, a handrail plate and a connecting shaft; the vertical plate is fixed on the bottom plate, and the vertical plate is perpendicular to the bottom plate; two handrail plates are connected to the vertical plate, there is a gap between the two handrail plates, and the handrail plates are perpendicular to the vertical plate; the two ends of the connecting shaft are respectively connected to the two handrail plates.

[0014] In the above technical solution, the concrete vibrating device further includes: an armrest cover; the armrest cover is an elastic body, the armrest cover is wound around the outside of the connecting shaft, and the armrest cover is located between the two armrest plates.

[0015] Compared with the prior art, the concrete vibrating device of the utility model has the following beneficial effects:

[0016] 1. By installing multiple vibrating assemblies on the lifting plate, and threading two lead screws with the lifting plate, when the two lead screws drive the lifting plate to move up and down, the lifting plate drives multiple vibrating assemblies to move up and down, so that multiple vibrating assemblies can be embedded in the concrete, and then the vibrating assemblies are started to vibrate the concrete. At the same time, the scraper blade is positioned on the outside of the vibrating assembly by installing a cover, so that when the vibrating assembly moves upward from the concrete, the scraper blade scrapes off the concrete adhered to the outer wall of the vibrating assembly, thereby avoiding the situation where the air-dried concrete adheres to the outer wall of the vibrating assembly, resulting in a reduction in the vibration effect of the vibrating assembly, so as to improve the product experience.

[0017] 2. By respectively putting two synchronous wheels on the outside of the two screws, and putting the synchronous belt on the outside of the two synchronous wheels at the same time, when one screw rotates, the screw drives the other screw to rotate through the two synchronous wheels and the synchronous belt, so as to realize the synchronous rotation of the two screws, so as to improve the stability of the lifting plate driven by the two screws to move up and down, thereby avoiding the situation where the lifting plate is offset when moving up and down due to the asynchronous rotation of the two screws, so as to improve the use effect of the product.

[0018] 3. By connecting the output shaft of the motor body to a lead screw, the motor body drives the lead screw to rotate, thereby providing power for rotating the lead screw.

[0019] 4. By respectively mounting the first bearing and the second bearing on both ends of the lead screw, embedding the first bearing into the base plate, and embedding the second bearing into the fixed frame, the base plate and the fixed frame respectively support the lead screw through the first bearing and the second bearing, thereby improving the flexibility of the lead screw rotation.

[0020] 5. By passing the two optical bars through the lifting plate, the lifting plate can be moved up and down along the two optical bars to avoid the lifting plate from deflecting during movement, thereby improving the stability of the lifting plate moving up and down.

[0021] 6. By setting the first clearance hole in the base plate and surrounding the first clearance hole on the outside of the vibrating assembly, interference between the vibrating assembly and the base plate can be avoided, thereby improving the quality of the product; by setting the second clearance hole in the installation cover and surrounding the second clearance hole on the outside of the vibrating assembly, interference between the vibrating assembly and the installation cover can be avoided, thereby improving the quality of the product.

[0022] 7. By fixing the vertical plate on the bottom plate, connecting the two armrest plates to the vertical plate, and connecting the two ends of the connecting shaft to the two armrest plates respectively, the staff can push the bottom plate to move by holding the connecting shaft, thereby improving the mobility of the product.

[0023] 8. By winding the armrest cover around the outside of the connecting shaft and setting the armrest cover as an elastic body, the staff can hold the armrest cover, so that the armrest cover can absorb the vibration of the bottom plate to improve the user experience of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a cross-sectional view of a concrete vibrating device of the utility model;

[0025] Figure 2 for Figure 1 A local enlarged view of point A;

[0026] Figure 3 for Figure 1 A partial enlarged view of point B;

[0027] Figure 4 for Figure 1 CC section view;

[0028] Figure 5 A three-dimensional diagram of the installation cover of the utility model;

[0029] in, Figures 1 to 5 The corresponding relationship between the reference numerals and component names in the figure is:

[0030] 10 bottom plate, 11 fixed frame, 12 lead screw, 13 lifting plate, 14 vibrating assembly, 15 receiving groove, 16 scraper plate, 17 mounting cover, 18 positioning groove, 19 synchronous wheel, 20 synchronous belt, 21 motor frame, 22 motor body, 23 first bearing, 24 second bearing, 25 smooth bar, 26 first make way hole, 27 second make way hole, 28 vertical plate, 29 armrest plate, 30 connecting shaft, 31 armrest cover. DETAILED DESCRIPTION

[0031] The following is a combination of specific implementation cases and attached Figure 1-Figure 5 The present invention is further described below, but the present invention is not limited to these embodiments.

[0032] A concrete vibrating device, such as Figures 1 to 5 As shown, the concrete vibrating device includes: a base plate 10, a fixing frame 11, a lead screw 12, a lifting plate 13, a vibrating assembly 14, a receiving groove 15, a scraper 16 and a mounting cover 17; the fixing frame 11 is fixed on the base plate 10; an external thread is arranged on the outer wall of the lead screw 12, two lead screws 12 are embedded in the fixing frame 11, one end of the two lead screws 12 is rotatably connected to the base plate 10, and the other end of the two lead screws 12 is rotatably connected to the fixing frame 11; two threaded holes are arranged on the lifting plate 13, internal threads are arranged in the threaded holes, the lifting plate 13 is embedded in the fixing frame 11, and the two lead screws 12 are respectively threaded. Through two threaded holes on the lifting plate 13; multiple vibration assemblies 14 are installed on the lifting plate 13, and multiple vibration assemblies 14 pass through the bottom plate 10; the receiving groove 15 is arranged at the bottom of the bottom plate 10; the scraper 16 is an elastic body, the scraper 16 is embedded in the receiving groove 15, and the scraper 16 is sleeved on the outside of the vibration assembly 14; a positioning groove 18 is arranged in the mounting cover 17, the mounting cover 17 is embedded in the receiving groove 15, the mounting cover 17 is wrapped around the outside of the vibration assembly 14, the mounting cover 17 is connected to the bottom plate 10, and the scraper 16 is embedded in the positioning groove 18; wherein, the external thread is adapted to the internal thread.

[0033] By fixing the fixing frame 11 on the bottom plate 10, one end of the two lead screws 12 is rotatably connected to the bottom plate 10, and the other end of the two lead screws 12 is rotatably connected to the fixing frame 11, so that the bottom plate 10 and the fixing frame 11 cooperate to support the two lead screws 12, so that the two lead screws 12 can rotate in the fixing frame 11; by embedding the lifting plate 13 into the fixing frame 11, and making the two lead screws 12 pass through the two threaded holes on the lifting plate 13 respectively, so that the two lead screws 12 are threadedly connected to the lifting plate 13 at the same time, so that the two lead screws 12 are rotated, so that the two lead screws 12 drive the lifting plate 13 to move up and down, and then adjust the height of the lifting plate 13. By installing multiple vibration assemblies 14 on the lifting plate 13, and making the multiple vibration assemblies 14 pass through the bottom plate 10, so that the lifting plate 13 can drive the multiple vibration assemblies 14 to move up and down, so that the multiple vibration assemblies 14 pass through the bottom plate 10 to vibrate the concrete. By setting the receiving groove 15 at the bottom of the bottom plate 10, and embedding the scraper 16 and the installation cover 17 into the receiving groove 15, the scraper 16 and the installation cover 17 are hidden in the bottom plate 10, so that when the bottom plate 10 is placed on the concrete surface, the scraper 16 and the installation cover 17 interfere with the concrete; by sleeved on the outer side of the vibrating assembly 14, when the lifting plate 13 drives the vibrating assembly 14 to move upward, the scraper 16 scrapes off the concrete adhered to the outer wall of the vibrating assembly 14. By wrapping the installation cover 17 around the outer side of the vibrating assembly 14, the installation cover 17 is connected to the bottom plate 10, and the scraper 16 is embedded into the positioning groove 18, so that the installation cover 17 is installed in the receiving groove 15, so that the installation cover 17 positions the scraper 16 on the outer side of the vibrating assembly 14, so as to improve the stability of the scraper 16.

[0034] With the above structure, multiple vibrating assemblies 14 are installed on the lifting plate 13, and two lead screws 12 are threadedly connected to the lifting plate 13, so that when the two lead screws 12 drive the lifting plate 13 to move up and down, the lifting plate 13 drives multiple vibrating assemblies 14 to move up and down, so that multiple vibrating assemblies 14 can be embedded in the concrete, and then the vibrating assemblies 14 are started to vibrate the concrete. At the same time, the scraper 16 is positioned on the outside of the vibrating assembly 14 by installing the cover 17, so that when the vibrating assembly 14 moves upward from the concrete, the scraper 16 scrapes off the concrete adhered to the outer wall of the vibrating assembly 14, thereby avoiding the situation where the air-dried concrete adheres to the outer wall of the vibrating assembly 14, resulting in a reduction in the vibrating effect of the vibrating assembly 14, so as to improve the user experience of the product.

[0035] Specifically, the scraper blade 16 is made of silicone or rubber.

[0036] In the embodiment of the present utility model, Figures 1 to 5As shown, the concrete vibrating device also includes: a synchronous wheel 19 and a synchronous belt 20; the two synchronous wheels 19 are respectively mounted on the outside of the two lead screws 12, and the two synchronous wheels 19 are located above the fixing frame 11; the synchronous belt 20 is also mounted on the outside of the two synchronous wheels 19.

[0037] By respectively sleeved the two synchronous wheels 19 on the outside of the two lead screws 12, and sleeved the synchronous belt 20 on the outside of the two synchronous wheels 19 at the same time, it is realized that when one lead screw 12 rotates, the lead screw 12 drives the other lead screw 12 to rotate through the two synchronous wheels 19 and the synchronous belt 20, thereby realizing synchronous rotation of the two lead screws 12, so as to improve the stability of the two lead screws 12 driving the lifting plate 13 to move up and down, thereby avoiding the situation where the lifting plate 13 is offset when moving up and down due to the asynchronous rotation of the two lead screws 12, so as to improve the use effect of the product.

[0038] In the embodiment of the present utility model, Figures 1 to 5 As shown, the concrete vibrating device also includes: a motor frame 21 and a motor body 22; the motor frame 21 is L-shaped, the motor frame 21 is fixed on the fixing frame 11, and the motor frame 21 is wound around the outside of a screw 12; the motor body 22 is provided with an output shaft, the motor body 22 is fixed on the motor frame 21, and the output shaft of the motor body 22 is connected to a screw 12.

[0039] By fixing the L-shaped motor frame 21 on the fixed frame 11, and fixing the motor body 22 on the motor frame 21, the motor frame 21 supports the motor body 22, thereby improving the stability of the motor body 22; by connecting the output shaft of the motor body 22 with a screw 12, the motor body 22 drives the screw 12 to rotate, thereby providing power for rotating the screw 12.

[0040] In the embodiment of the present utility model, Figures 1 to 5 As shown, the concrete vibrating device also includes: a first bearing 23 and a second bearing 24; the first bearing 23 is sleeved on one end of the screw 12, and the first bearing 23 is embedded in the base plate 10; the second bearing 24 is sleeved on the other end of the screw 12, and the second bearing 24 is embedded in the fixing frame 11.

[0041] By respectively inserting the first bearing 23 and the second bearing 24 at both ends of the lead screw 12, the first bearing 23 is embedded in the base plate 10, and the second bearing 24 is embedded in the fixed frame 11, so that the base plate 10 and the fixed frame 11 support the lead screw 12 through the first bearing 23 and the second bearing 24 respectively, thereby improving the rotation flexibility of the lead screw 12.

[0042] In the embodiment of the present utility model, Figures 1 to 5As shown, the concrete vibrating device also includes: a light bar 25; two light bars 25 are embedded in the fixing frame 11, one end of the two light bars 25 is connected to the bottom plate 10, the other end of the two light bars 25 is connected to the fixing frame 11, and the two light bars 25 pass through the lifting plate 13.

[0043] By connecting one end of the two optical bars 25 to the base plate 10, and connecting the other ends of the two optical bars 25 to the fixing frame 11, the fixing frame 11 and the base plate 10 cooperate to support the two optical bars 25, thereby improving the stability of the two optical bars 25; by passing the two optical bars 25 through the lifting plate 13, the lifting plate 13 can be moved up and down along the two optical bars 25 to avoid the lifting plate 13 from deflecting during movement, thereby improving the stability of the lifting plate 13 moving up and down.

[0044] In the embodiment of the present utility model, Figures 1 to 5 As shown, the concrete vibrating device also includes: a first clearance hole 26 and a second clearance hole 27; the first clearance hole 26 is arranged in the base plate 10, and the first clearance hole 26 is arranged around the outside of the vibrating assembly 14; the second clearance hole 27 is arranged in the mounting cover 17, and the second clearance hole 27 is arranged around the outside of the vibrating assembly 14.

[0045] By setting the first clearance hole 26 in the base plate 10 and surrounding the first clearance hole 26 on the outside of the vibrating assembly 14, interference between the vibrating assembly 14 and the base plate 10 is avoided, thereby improving the quality of the product; by setting the second clearance hole 27 in the mounting cover 17 and surrounding the second clearance hole 27 on the outside of the vibrating assembly 14, interference between the vibrating assembly 14 and the mounting cover 17 is avoided, thereby improving the quality of the product.

[0046] In the embodiment of the present utility model, Figures 1 to 5 As shown, the concrete vibrating device also includes: a vertical plate 28, a handrail plate 29 and a connecting shaft 30; the vertical plate 28 is fixed on the base plate 10, and the vertical plate 28 is perpendicular to the base plate 10; two handrail plates 29 are connected to the vertical plate 28, there is a gap between the two handrail plates 29, and the handrail plates 29 are perpendicular to the vertical plate 28; both ends of the connecting shaft 30 are respectively connected to the two handrail plates 29.

[0047] By fixing the vertical plate 28 on the base plate 10, connecting the two armrest plates 29 to the vertical plate 28, and connecting the two ends of the connecting shaft 30 to the two armrest plates 29 respectively, the staff can push the base plate 10 to move by holding the connecting shaft 30, thereby improving the mobility of the product.

[0048] In the embodiment of the present utility model, Figures 1 to 5As shown, the concrete vibrating device further includes: an armrest cover 31 ; the armrest cover 31 is an elastic body, the armrest cover 31 is wound around the outside of the connecting shaft 30 , and the armrest cover 31 is located between the two armrest plates 29 .

[0049] By winding the arm cover 31 around the outside of the connecting shaft 30 and setting the arm cover 31 as an elastic body, the staff can hold the arm cover 31, so that the arm cover 31 can absorb the vibration of the bottom plate 10 to improve the user experience of the product.

[0050] In the description of the present invention, the term "plurality" refers to two or more than two. Unless otherwise clearly defined, the orientation or positional relationship indicated by the terms "upper" and "lower" is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention. The terms "connection", "installation", "fixation", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0051] In the description of the present invention, the terms "one embodiment", "some embodiments", "specific embodiments", etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In the present invention, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0052] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A concrete vibrating device, characterized in that: The concrete vibrating device comprises: Base plate; A fixing frame, the fixing frame being fixed to the bottom plate; A lead screw, wherein an external thread is arranged on an outer wall of the lead screw, two of the lead screws are embedded in the fixing frame, one end of the two lead screws is rotatably connected to the bottom plate, and the other end of the two lead screws is rotatably connected to the fixing frame; A lifting plate, wherein two threaded holes are arranged on the lifting plate, and internal threads are arranged in the threaded holes. The lifting plate is embedded in the fixing frame, and the two lead screws pass through the two threaded holes on the lifting plate respectively; A vibrating assembly, a plurality of which are mounted on the lifting plate, and a plurality of which pass through the bottom plate; A receiving groove, the receiving groove is arranged at the bottom of the bottom plate; A scraper blade, which is an elastic body, is embedded in the receiving groove, and is sleeved on the outside of the vibrating assembly; A mounting cover, wherein a positioning groove is arranged in the mounting cover, the mounting cover is embedded in the receiving groove, the mounting cover is arranged around the outer side of the vibrating assembly, the mounting cover is connected to the bottom plate, and the scraper blade is embedded in the positioning groove; Wherein, the external thread is matched with the internal thread.

2. A concrete vibrating device according to claim 1, characterized in that: The concrete vibrating device also includes: Synchronous wheels, two of which are respectively mounted on the outsides of the two lead screws, and the two synchronous wheels are located above the fixed frame; A synchronous belt is simultaneously sleeved on the outer sides of the two synchronous wheels.

3. A concrete vibrating device according to claim 2, characterized in that: The concrete vibrating device also includes: A motor frame, the motor frame is L-shaped, the motor frame is fixed on the fixing frame, and the motor frame is wound around the outside of one of the lead screws; The motor body is provided with an output shaft, the motor body is fixed on the motor frame, and the output shaft of the motor body is connected to one of the lead screws.

4. A concrete vibrating device according to claim 3, characterized in that: The concrete vibrating device also includes: A first bearing, wherein the first bearing is sleeved on one end of the lead screw and embedded in the base plate; A second bearing is sleeved on the other end of the lead screw and embedded in the fixing frame.

5. A concrete vibrating device according to claim 4, characterized in that: The concrete vibrating device also includes: Optical bars, two of the optical bars are embedded in the fixing frame, one end of the two optical bars is connected to the bottom plate, the other end of the two optical bars is connected to the fixing frame, and the two optical bars pass through the lifting plate.

6. A concrete vibrating device according to claim 1, characterized in that: The concrete vibrating device also includes: A first clearance hole, wherein the first clearance hole is arranged in the bottom plate and the first clearance hole is arranged around the outer side of the vibrating assembly; A second clearance hole is arranged in the installation cover, and the second clearance hole is arranged around the outside of the vibration assembly.

7. A concrete vibrating device according to claim 6, characterized in that: The concrete vibrating device also includes: A vertical plate, wherein the vertical plate is fixed on the bottom plate, and the vertical plate is perpendicular to the bottom plate; An armrest board, two of the armrest boards are connected to the vertical board, there is a distance between the two armrest boards, and the armrest boards are perpendicular to the vertical board; A connecting shaft, both ends of which are respectively connected to the two armrest plates.

8. A concrete vibrating device according to claim 7, characterized in that: The concrete vibrating device also includes: The armrest cover is an elastic body, the armrest cover is wound around the outside of the connecting shaft, and the armrest cover is located between the two armrest plates.

Images