Shock absorption support of concrete vibration table

Abstract

The utility model discloses a damping support of a concrete vibration table. The damping support comprises a base; the supports are fixedly arranged at four corners of the top end of the base; the damping spring is fixedly arranged at the bottom end of the inner cavity of the first support; the bottom end of an inner cavity of the second support is fixedly connected with the bottom end of an inner cavity of the damping spring; the vibrating plate is fixedly arranged at the top end of the second support; the vibrating table is fixedly arranged at the top end of the vibrating plate; the vibration motor is arranged at the bottom end of the vibration plate; the amplitude limiting mechanism is arranged between the base and the vibrating plate; and the weight limiting assembly is arranged on the inner side of the base. According to the shock absorption support of the concrete vibration table, the amplitude limiting mechanism is arranged to adjust the height of the first shock absorption pad and the height of the second shock absorption pad, so that the vibration plate is limited during vibration, the amplitude of the vibration plate is controlled, different vibration effects are achieved, and energy consumption of the vibration table is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of vibration tables, in particular to a shock-absorbing bracket of a concrete vibration table. Background Art

[0002] Concrete vibrating table is a kind of equipment suitable for testing room, on-site construction site for specimen molding and prefabricated components vibration compaction of various slabs, columns, beams and other concrete components. Concrete vibrating table is mainly used in construction, building materials and scientific research units to compact concrete test blocks. Concrete vibrating table is usually composed of table, vibration motor, spring and bottom frame.

[0003] The existing concrete vibration table bracket cannot limit the vibration amplitude of the vibration table and cannot exert a better vibration effect, which will further increase the energy consumption of the vibration table. In addition, long-term vibration of overweight concrete materials will cause the shock-absorbing spring to compress and deform, causing the spring to lose its original elasticity, affecting the shock-absorbing effect, reducing the service life of the vibration table, and increasing the operation and maintenance costs. Utility Model Content

[0004] The purpose of the utility model is to provide a shock-absorbing bracket for a concrete vibration table to solve the problems that the prior art cannot exert a better vibration effect, further increases the energy consumption of the vibration table, and long-term vibration of overweight concrete materials will cause compression deformation of the shock-absorbing spring, causing the spring to lose its original elasticity, affecting the shock-absorbing effect, reducing the service life of the vibration table, and increasing the operation and maintenance costs.

[0005] To achieve the above purpose, the utility model provides the following technical solution: a shock-absorbing bracket for a concrete vibration table, comprising:

[0006] Base;

[0007] A first support, wherein the four corners of the top of the base are fixedly provided with a first support;

[0008] A shock absorbing spring, fixedly arranged at the bottom end of the inner cavity of the first support;

[0009] A second support, wherein the bottom end of the inner cavity of the second support is fixedly connected to the bottom end of the inner cavity of the damping spring;

[0010] A vibration plate, fixedly arranged on the top of the second support;

[0011] A vibration table, fixedly arranged on the top of the vibration plate;

[0012] A vibration motor is arranged at the bottom end of the vibration plate;

[0013] An amplitude limiting mechanism, arranged between the base and the vibration plate;

[0014] The weight limiting component is arranged on the inner side of the base.

[0015] Preferably, the first support and the second support are symmetrically arranged up and down, and two ends of the shock-absorbing spring are respectively located in the inner cavity of the first support and the second support.

[0016] Preferably, the amplitude limiting mechanism includes: a first connecting column, the front and rear ends of the inner side of the base are fixedly provided with first connecting columns arranged along the left and right directions; a guide rod, the left and right sides of the top of the first connecting column are fixedly provided with guide rods, and the guide rods extend out of the upper surface of the vibration plate; a guide column, which is adaptively connected to the outer wall of the guide rod; a first shock-absorbing pad, which is fixedly provided at the top of the guide column, and the first shock-absorbing pad is sleeved with the guide rod; a lead screw, the inner cavity of the first connecting column is rotatably provided with a lead screw along the left and right directions through a bearing; a lead screw nut, the outer wall of the lead screw A lead screw nut is threaded on both the left and right sides; a connecting rod, a bar hole is opened on the left and right sides of the top of the first connecting column, the top of the lead screw nut is rotatably connected to the connecting rod through a pin, and the connecting rod passes through the bar hole and is rotatably connected to the outer wall of the guide column through the pin; a first bevel gear is keyed to the outer wall of the lead screw; a second bevel gear is rotatably set on the top of the inner cavity of the first connecting column, and the second bevel gear is meshed with the first bevel gear; a dial button, the rotating axis of the second bevel gear extends out of the upper surface of the first connecting column and is fixedly provided with a dial button.

[0017] Preferably, the threads on the left and right sides of the outer wall of the lead screw are arranged in opposite directions.

[0018] Preferably, the amplitude limiting mechanism also includes: a nut, the top end of the outer wall of the guide rod is provided with an external thread, and the nut is threadedly connected to the external thread; a second shock-absorbing pad, which is sleeved with the outer wall of the guide rod along the left and right directions, and the bottom end of the nut is rotatably connected to the top end of the second shock-absorbing pad.

[0019] Preferably, the weight limiting assembly includes: a second connecting column, with second connecting columns fixedly arranged at both left and right ends of the base along the front-to-back direction; a cylinder, fixedly arranged at the top of the inner cavity of the second connecting column; a contact switch, with the top of the cylinder extending out of the upper surface of the second connecting column and fixedly arranged with a contact switch; an alarm, fixedly arranged on one side of the second connecting column, and the alarm is electrically connected to the contact switch.

[0020] Compared with the prior art, the beneficial effects of the utility model are: the shock-absorbing bracket of the concrete vibration table;

[0021] 1. The height of the first shock-absorbing pad and the second shock-absorbing pad can be adjusted respectively by providing an amplitude limiting mechanism, so that the vibration plate is limited during vibration to control the amplitude of the vibration plate, thereby achieving different vibration effects, such as improving the compactness and uniformity of concrete and reducing the energy consumption of the vibration table;

[0022] 2. By setting a limited weight component, an overweight alarm can be set for the weight on the vibration table to prevent the shock-absorbing spring from being compressed and deformed due to the excessive weight of the container filled with concrete and the concrete, thereby ensuring the shock-absorbing effect of the shock-absorbing spring, effectively extending the service life of the vibration table, and reducing operation and maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the structure of the utility model;

[0024] Figure 2 For this utility model Figure 1 A in the enlarged view;

[0025] Figure 3 It is a front cross-sectional view of the first connecting column of the utility model;

[0026] Figure 4 It is a schematic diagram of the explosion structure of the weight limiting component of the utility model.

[0027] In the figure: 1, base; 2, first support; 3, shock-absorbing spring; 4, second support; 5, vibration plate; 6, vibration table; 7, vibration motor; 8, amplitude limiting mechanism; 81, first connecting column; 82, guide rod; 83, guide column; 84, first shock-absorbing pad; 85, lead screw; 86, lead screw nut; 87, connecting rod; 88, strip hole; 89, first bevel gear; 810, second bevel gear; 811, dial button; 812, nut; 813, external thread; 814, second shock-absorbing pad; 9, weight limiting assembly; 91, second connecting column; 92, cylinder; 93, contact switch; 94, alarm. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] See also Figure 1-4, the utility model provides a technical solution: a shock-absorbing bracket of a concrete vibration table, comprising: a base 1, a first support 2, a shock-absorbing spring 3, a second support 4, a vibration plate 5, a vibration table 6, a vibration motor 7, an amplitude limiting mechanism 8 and a weight limiting component 9;

[0030] The first support 2 is fixedly arranged at the four corners of the top of the base 1, the shock-absorbing spring 3 is fixedly arranged at the bottom end of the inner cavity of the first support 2, the bottom end of the inner cavity of the second support 4 is fixedly connected to the bottom end of the inner cavity of the shock-absorbing spring 3, the vibration plate 5 is fixedly arranged at the top of the second support 4, the vibration table 6 is fixedly arranged at the top of the vibration plate 5, the vibration motor 7 is arranged at the bottom end of the vibration plate 5, the amplitude limiting mechanism 8 is arranged between the base 1 and the vibration plate 5, and the weight limiting component 9 is arranged on the inner side of the base 1.

[0031] As a preferred solution, further, the first support 2 and the second support 4 are symmetrically arranged up and down, and the two ends of the shock-absorbing spring 3 are respectively located in the inner cavity of the first support 2 and the second support 4 to improve the shock-absorbing effect of the shock-absorbing spring 3.

[0032] As a preferred solution, further, the amplitude limiting mechanism 8 includes: a first connecting column 81, a guide rod 82, a guide column 83, a first shock absorbing pad 84, a lead screw 85, a lead screw nut 86, a connecting rod 87, a bar hole 88, a first bevel gear 89, a second bevel gear 810 and a dial button 811, a nut 812, an external thread 813 and a second shock absorbing pad 814;

[0033] In order to limit the vibration of the vibration plate 5, first connecting columns 81 arranged along the left-right direction are fixedly provided at both the front and rear ends of the inner side of the base 1, and guide rods 82 are fixedly provided on both the left and right sides of the top of the first connecting column 81, and the guide rods 82 extend out of the upper surface of the vibration plate 5, and the guide columns 83 are adapted to be matched with the outer wall of the guide rods 82;

[0034] In order to limit the downward amplitude of the vibration plate 5, the first shock-absorbing pad 84 is fixedly arranged on the top of the guide column 83, and the first shock-absorbing pad 84 is sleeved with the guide rod 82;

[0035] In order to adjust and fix the height of the first shock-absorbing pad 84, a lead screw 85 is rotatably arranged in the inner cavity of the first connecting column 81 along the left and right directions through a bearing, and lead screw nuts 86 are screwed on the left and right sides of the outer wall of the lead screw 85. Bar holes 88 are opened on the left and right sides of the top of the first connecting column 81. The top of the lead screw nut 86 is rotatably connected to a connecting rod 87 through a pin shaft. The connecting rod 87 passes through the bar hole 88 and is rotatably connected to the outer wall of the guide column 83 through the pin shaft. The outward movement of the lead screw nut 86 can push one end of the connecting rod 87 to move, so that the other end of the connecting rod 87 pushes the guide column 83 and the first shock-absorbing pad 84 to move upward and fix a certain height.

[0036] In order to drive the screw 85 to rotate, the first bevel gear 89 is keyed to the outer wall of the screw 85, the second bevel gear 810 is rotatably arranged at the top of the inner cavity of the first connecting column 81, and the second bevel gear 810 is meshed with the first bevel gear 89. The rotating shaft of the second bevel gear 810 extends out of the upper surface of the first connecting column 81 and is fixedly provided with a dial button 811. The dial button 811 is turned to drive the second bevel gear 810 to rotate.

[0037] As a preferred solution, further, the threads on the left and right sides of the outer wall of the lead screw 85 are arranged in opposite directions, so that when the lead screw 85 rotates, the lead screw nuts 86 on both sides move outward or inward at the same time.

[0038] In order to be able to adjust and fix the height of the second shock-absorbing pad 814, an external thread 813 is provided at the top of the outer wall of the guide rod 82, and the nut 812 is screwed to the external thread 813. The second shock-absorbing pad 814 is sleeved with the outer wall of the guide rod 82 along the left and right directions, and the bottom end of the nut 812 is rotatably connected to the top of the second shock-absorbing pad 814.

[0039] As a preferred solution, further, the weight limiting assembly 9 includes: a second connecting column 91, a cylinder 92, a contact switch 93 and an alarm 94;

[0040] In order to be able to provide overweight warning for the vibration table 6, second connecting columns 91 are fixedly provided at both ends of the left and right sides of the base 1 in the front-to-back direction, a cylinder 92 is fixedly provided at the top of the inner cavity of the second connecting column 91, the top of the cylinder 92 extends out of the upper surface of the second connecting column 91 and is fixedly provided with a contact switch 93, an alarm 94 is fixedly provided on one side of the second connecting column 91, and the alarm 94 is electrically connected to the contact switch 93, before working, the cylinder 92 controls the contact switch 93 to rise to a certain height, and during working, the cylinder 92 drives the contact switch 93 to reset to prevent the vibration of the vibration plate 5 from damaging the contact switch 93.

[0041] The detailed connection means are well-known in the art. The following mainly introduces the working principle and process. The specific work is as follows.

[0042] Step 1: Start the vibration motor 7. Under the elastic force of the shock-absorbing spring 3, the vibration plate 5 can drive the vibration table 6 to vibrate, so as to compact the concrete placed on the vibration table 6. When limiting the up and down amplitude of the vibration plate 5, turn the dial button 811 to make the dial button 811 drive the second bevel gear 810 to rotate clockwise, so that the second bevel gear 810 drives the first bevel gear 89 to rotate counterclockwise, so as to drive the lead screw 85 to rotate counterclockwise, so that under the action of the rotation force of the outer wall thread of the lead screw 85, the lead screw nut 86 moves outward, and then pushes one end of the connecting rod 87 to move outward, so that the other end of the connecting rod 87 pushes the guide column 83 and the first shock-absorbing pad 84 to move upward and fix a certain height. When the vibration plate 5 vibrates downward and contacts the first shock-absorbing pad 84, the vibration amplitude of the vibration plate 5 moving downward can be limited by the first shock-absorbing pad 84;

[0043] Step 2: Rotate the nut 812 so that the nut 812 pushes the second shock-absorbing pad 814 to move downward and fix it at a certain height under the action of the external thread 813. When the vibration plate 5 vibrates upward and contacts the second shock-absorbing pad 814, the vibration amplitude of the vibration plate 5 moving upward can be limited by the second shock-absorbing pad 814.

[0044] Step three: before placing the container filled with concrete on the vibration table 6, start the cylinder 92 so that the cylinder 92 pushes the contact switch 93 to move upward to a certain height. When adding concrete, the vibration plate 5 is pressed by the weight to squeeze the shock-absorbing spring 3 and move downward until it contacts the contact switch 93, so as to trigger the alarm 94 through the contact switch 93 to start an early warning of the overweight of the vibration table 6, thereby preventing the shock-absorbing spring 3 from being deformed due to the force of long-term overweight, extending the service life of the vibration table 6, reducing the operation and maintenance costs, and facilitating wide promotion.

[0045] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A shock-absorbing bracket for a concrete vibration table, characterized in that: include: Base (1); A first support (2), wherein the four corners of the top end of the base (1) are all fixedly provided with a first support (2); A shock absorbing spring (3) fixedly arranged at the bottom end of the inner cavity of the first support (2); A second support (4), the bottom end of the inner cavity of the second support (4) being fixedly connected to the bottom end of the inner cavity of the shock absorbing spring (3); A vibration plate (5) fixedly arranged on the top of the second support (4); A vibration table (6) is fixedly arranged on the top of the vibration plate (5); A vibration motor (7) is arranged at the bottom end of the vibration plate (5); An amplitude limiting mechanism (8) is arranged between the base (1) and the vibration plate (5); A weight limiting component (9) is arranged on the inner side of the base (1).

2. The shock-absorbing bracket of a concrete vibrating table according to claim 1, characterized in that: The first support (2) and the second support (4) are symmetrically arranged up and down, and the two ends of the shock absorbing spring (3) are respectively located in the inner cavities of the first support (2) and the second support (4).

3. The shock-absorbing bracket of a concrete vibrating table according to claim 1, characterized in that: The amplitude limiting mechanism (8) comprises: A first connecting column (81), wherein the first connecting column (81) arranged along the left-right direction is fixedly arranged at both the front and rear ends of the inner side of the base (1); Guide rods (82), guide rods (82) are fixedly arranged on both left and right sides of the top of the first connecting column (81), and the guide rods (82) extend out of the upper surface of the vibration plate (5); A guide column (83) adapted to be matched with the outer wall of the guide rod (82); A first shock-absorbing pad (84) is fixedly arranged on the top end of the guide column (83), and the first shock-absorbing pad (84) is sleeved with the guide rod (82); A lead screw (85), wherein the inner cavity of the first connecting column (81) is provided with a lead screw (85) rotatably arranged in the left-right direction through a bearing; A lead screw nut (86), wherein the lead screw nuts (86) are screwed on both left and right sides of the outer wall of the lead screw (85); A connecting rod (87), wherein the top of the first connecting column (81) is provided with strip-shaped holes (88) on both sides, the top of the lead screw nut (86) is rotatably connected to the connecting rod (87) via a pin, and the connecting rod (87) passes through the strip-shaped hole (88) and is rotatably connected to the outer wall of the guide column (83) via a pin; A first bevel gear (89) keyed to the outer wall of the lead screw (85); A second bevel gear (810) is rotatably disposed at the top end of the inner cavity of the first connecting column (81), and the second bevel gear (810) is meshed with the first bevel gear (89); A toggle button (811), the rotating shaft of the second bevel gear (810) extends out of the upper surface of the first connecting column (81) and is fixedly provided with the toggle button (811).

4. The shock-absorbing bracket of a concrete vibrating table according to claim 3 is characterized in that: The threads on the left and right sides of the outer wall of the lead screw (85) are arranged in opposite directions.

5. The shock-absorbing bracket of a concrete vibrating table according to claim 4, characterized in that: The amplitude limiting mechanism (8) further comprises: A nut (812), wherein the top end of the outer wall of the guide rod (82) is provided with an external thread (813), and the nut (812) is threadedly connected to the external thread (813); The second shock-absorbing pad (814) is sleeved with the outer wall of the guide rod (82) along the left-right direction, and the bottom end of the nut (812) is rotatably connected to the top end of the second shock-absorbing pad (814).

6. The shock-absorbing bracket of a concrete vibrating table according to claim 1, characterized in that: The weight limiting component (9) comprises: A second connecting column (91), wherein the left and right ends of the base (1) are both fixedly provided with a second connecting column (91) along the front-back direction; A cylinder (92) fixedly disposed at the top end of the inner cavity of the second connecting column (91); A contact switch (93), wherein the top end of the cylinder (92) extends out of the upper surface of the second connecting column (91) and is fixedly provided with the contact switch (93); An alarm (94) is fixedly arranged on one side of the second connecting column (91), and the alarm (94) is electrically connected to the contact switch (93).

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