CN210533650U

CN210533650U - Vibrating table with limiting function

Info

Publication number: CN210533650U
Application number: CN201921983779.8U
Authority: CN
Inventors: 杨超; 杨先虎; 杨先雷; 潘聚忠; 杨先静
Original assignee: Jinan Haotian Kiln Engineering Materials Co Ltd
Current assignee: Jinan Haotian Kiln Engineering Materials Co Ltd
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-05-15
Anticipated expiration: 2029-11-15

Abstract

The utility model relates to a detect experimental facilities technical field, in particular to shaking table with limit function, the shaking table includes shaking table body and supplementary clamping piece, and the shaking table body includes the workstation, supplementary clamping piece includes supporting component and stop gear, and the supporting component sets up the both sides at the workstation, the utility model discloses further set up to: stop gear includes the horizontal pole of two parallels of each other, and the both ends of horizontal pole are connected respectively on two supporting components, are connected with two vertical plates that are parallel to each other between two horizontal poles, and vertical plate perpendicular to horizontal pole, vertical direction fixedly connected with diaphragm is all followed to one side that is close to vertical plate on two horizontal poles, and vertical plate is extending structure, and two horizontal poles are connected with two horizontal pole drives respectively, and the horizontal pole drive drives the horizontal pole and removes along the direction of vertical plate, and two vertical plates are connected with two vertical plate drives respectively, and vertical plate drive can drive vertical plate and remove along the horizontal pole. The utility model discloses a make the test block at the vibration in-process vibration center of being difficult for skew.

Description

Vibrating table with limiting function

Technical Field

The utility model relates to a detect experimental facilities technical field, in particular to shaking table with spacing function.

Background

The vibrating table is suitable for laboratory detection, and in various scenes such as test piece forming and prefabricated part compaction forming on site construction sites, in the production and detection processes of test blocks, the vibrating table is usually used for compacting the test block test pieces or detecting the test of the ability of enduring environmental vibration of the test block test pieces.

The shaking table of prior art can refer to utility model patent with grant publication number CN206362513U, the shaking table includes work, base, connects a plurality of compression spring between workstation and base and sets up the vibrating motor of terminal surface under the workstation. When vibrating the test block, place the test block on the workstation, then drive vibrating motor vibration, vibrating motor drives the workstation vibration, and compression spring plays the cushioning effect to the collision between workstation and the base for the workstation is difficult to take place the rigidity collision with the base, and the test block vibrates along with the workstation vibration.

The shortcoming of the prior art is that the test block can move on the workbench when vibrating on the vibration table, so that the test block test piece gradually deviates from the center of the workbench, the test block test piece easily deviates from the vibration center in the vibration process, and the vibration effect of the test block test piece at different positions is different, so that the vibration forming effect of the test block test piece can be different or the test data is inaccurate.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a shaking table with limit function has realized making the test block in the function of the difficult skew vibration center of vibration in-process.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a shaking table with limit function, the shaking table includes shaking table body and auxiliary clamping spare, and the shaking table body includes the workstation, auxiliary clamping spare includes supporting component and stop gear, and the supporting component sets up the both sides at the workstation, the utility model discloses further set up to: stop gear includes the horizontal pole of two parallels of each other, and the both ends of horizontal pole are connected respectively on two supporting components, are connected with two vertical plates that are parallel to each other between two horizontal poles, and vertical plate perpendicular to horizontal pole, vertical direction fixedly connected with diaphragm is all followed to one side that is close to vertical plate on two horizontal poles, and vertical plate is extending structure, and two horizontal poles are connected with two horizontal pole drives respectively, and the horizontal pole drive drives the horizontal pole and removes along the direction of vertical plate, and two vertical plates are connected with two vertical plate drives respectively, and vertical plate drive can drive vertical plate and remove along the horizontal pole.

By adopting the technical scheme, before the test block is vibrated, the supporting components are arranged on two sides of the workbench, the cross rods are positioned above the workbench, the two cross rods are respectively moved to the positions close to the center of the workbench through the driving of the cross rods, the longitudinal plates can stretch along with the movement of the two cross rods due to the fact that the longitudinal plates are made of telescopic materials, then the two longitudinal plates are driven to move to the positions close to the center of the workbench through the driving of the longitudinal plates, so that the longitudinal plates and the cross plates form a rectangular frame positioned at the center of the workbench, then the test block is placed between the cross plates and the longitudinal plates, the vibration of the vibration table is started, the test block gradually moves and moves towards the direction close to the cross plates or the longitudinal plates in the vibration process, when the test block is abutted against one of the cross plates in the vibration process, the cross plates are driven to drive the cross plates to push the test block to move towards the direction close to, make the test block be located between two diaphragms, when test block and vertical plate butt, drive the vertical plate through the vertical plate drive and remove the test block to the direction that is close to another vertical plate, promote the vertical plate recovery normal position that the test block removed, make the test block be located between two vertical plates, diaphragm and vertical plate have played the effect spacing and adjusted the test block position to the test block, the test block is located the rectangle frame that diaphragm and vertical plate constitute and is located workstation center department, consequently, realized making the test block can be in the vibration center all the time, the test block is difficult for contacting with diaphragm and vertical plate for a long time at the vibration in-process simultaneously, consequently make the test block be difficult for taking place the striking with diaphragm or vertical plate, and then lead to the fact the influence to the test block.

The utility model discloses further set up to: pressure sensors are arranged on the two longitudinal plates and the two transverse plates.

When the test block in diaphragm or vertical plate contact, pressure sensors send out signals to vertical plate drive or horizontal pole drive for vertical plate drive or horizontal pole drive control vertical plate or diaphragm promote the test block, make it be in diaphragm and vertical plate, consequently realized when test block and diaphragm or vertical plate contact, the test block can be promoted to being close to vibration center department by diaphragm or vertical plate, and can not make the test block keep the butt state with diaphragm or vertical plate all the time at the vibration process, and then cause the test block damage, influence its test effect.

The utility model discloses further set up to: two horizontal pole drives are located the symmetry with the center of workstation and set up, the horizontal pole drive is for driving actuating cylinder, and supporting component includes backup pad, elevating system and bracing piece, and elevating system sets up in the backup pad top along vertical direction, and the bracing piece is along horizontal direction fixed connection in elevating system top, and bracing piece direction perpendicular to horizontal pole direction drives the fixed one end that sets up at the bracing piece of actuating cylinder, and it includes the piston rod to drive actuating cylinder, horizontal pole perpendicular to piston rod, piston rod and horizontal pole fixed connection.

Through adopting above-mentioned technical scheme, drive horizontal pole along bracing piece reciprocating motion through the cylinder, consequently realized conveniently moving through the horizontal pole and drive the diaphragm and remove, and then realize spacing function to the test block.

The utility model discloses further set up to: the longitudinal plate drive uses horizontal pole center department as the symmetry central symmetry setting, the longitudinal plate drive includes drive screw and driving motor, the horizontal pole spout has been seted up at the last fixed surface of horizontal pole, the horizontal pole spout is seted up along being on a parallel with horizontal pole length direction, the first fixed plate of horizontal pole middle part fixedly connected with, horizontal pole tip has set firmly the second fixed plate, the both sides fixedly connected with longitudinal plate slider of longitudinal plate, longitudinal plate slider and horizontal pole spout sliding connection, drive screw pass the longitudinal plate slider and with longitudinal plate slider threaded connection, drive screw's both ends rotate with first fixed plate and second fixed plate respectively and are connected, driving motor is located the tip of horizontal pole, driving motor's output passes second fixed plate and drive screw fixed connection.

Through adopting above-mentioned technical scheme, driving motor during operation, the drive lead screw rotates, because vertical plate slider and drive lead screw threaded connection, vertical plate slider and horizontal pole spout sliding connection simultaneously, consequently vertical plate slider can only drive vertical plate and remove along horizontal pole length direction, has realized controlling two vertical plate removals respectively, and then adjusts and spacing the position of test block.

The utility model discloses further set up to: rubber layers are fixedly arranged on the side walls opposite to the transverse plates, and rubber layers are arranged on the side walls opposite to the longitudinal plates.

Through adopting above-mentioned technical scheme, the rubber layer is flexible material for the diaphragm or vertical plate are difficult for taking place rigid collision with the test block when the test block with diaphragm or vertical plate butt, and then cause the damage to the test block.

The utility model discloses further set up to: the longitudinal plate comprises a sleeve connecting plate and a socket plate, the socket plate and the sleeve connecting plate are respectively connected onto the two cross rods, one side of the sleeve connecting plate, which is in the socket fit with the socket plate, is provided with a groove, the socket plate is located in the groove, a stop block is fixedly connected to the end of the socket plate, a baffle is fixedly connected to one side of the groove, and the baffle plays a limiting role in limiting the stop block.

Through adopting above-mentioned technical scheme, cup joint board and plugboard cooperation of pegging graft for the length of vertical board is extending structure, and when the horizontal pole removed, cup jointed board or plugboard removed along with it, and the baffle plays the effect of blockking to the dog, makes the plugboard can't follow and cup joints the inboard roll-off.

The utility model discloses further set up to: the lifting mechanism is a lifting cylinder, the lifting cylinder is fixedly connected to the supporting plate along the vertical direction, the upgrading cylinder comprises a piston rod, and the supporting rod is fixedly connected to the piston rod.

Through adopting above-mentioned technical scheme, drive the bracing piece through the lift cylinder and go up and down along vertical direction, realized the adjustment to stop gear height, and then make the auxiliary member can adapt to the not workstation of co-altitude, consequently improved the adaptability of auxiliary member.

The utility model discloses further set up to: the upper surface of the supporting rod is fixedly provided with a supporting rod sliding rail, the supporting rod sliding rail is arranged along the direction parallel to the transverse rod, and the transverse rod is connected with the supporting rod sliding rail in a sliding manner.

Through adopting above-mentioned technical scheme, the piston rod that drives actuating cylinder drives the horizontal pole and removes, because bracing piece slide rail and groove sliding connection greatly make the horizontal pole slide more stably along the bracing piece.

To sum up, the utility model discloses following technological effect has:

1. by adopting the structure comprising the transverse rod and the longitudinal plate limiting mechanism, the function that the test block can be positioned at the vibration center of the vibration table is realized;

2. the test block is limited by the transverse rod and the longitudinal plate by adopting a structure of transverse rod driving and longitudinal plate driving;

3. through the structure that adopts lift cylinder, realized making the function that auxiliary clamping piece can adapt to the shaking table of different heights.

Drawings

FIG. 1 is a schematic three-dimensional view of the present implementation;

FIG. 2 is a three-dimensional schematic view of a protruding stop mechanism structure;

FIG. 3 is a partial three-dimensional schematic view showing the connection relationship between the transverse rod sliding groove and the longitudinal plate sliding block;

FIG. 4 is a schematic partial sectional view showing the inner structure of the vertical plate.

In the figure, 1, a support assembly; 11. a support plate; 12. a lifting cylinder; 13. a support bar; 131. a support bar slide rail; 2. a limiting mechanism; 21. a cross bar; 211. a transverse plate; 212. a cross bar chute; 213. a first fixing plate; 214. a second fixing plate; 22. a longitudinal plate; 221. sleeving and connecting plates; 2211. a groove; 2212. a baffle plate; 222. a plugboard; 2221. a stopper; 223. a longitudinal plate slider; 23. driving a cross bar; 231. a driving cylinder; 24. driving a longitudinal plate; 241. driving a lead screw; 242. a drive motor; 25. a pressure sensor; 3. a vibration table body; 31. a base; 32. a spring; 33. a vibration motor; 34. a work table; 4. and (6) testing blocks.

Detailed Description

As shown in fig. 1, the utility model provides a shaking table with spacing function, the shaking table includes shaking table body 3 and auxiliary clamping piece, and shown auxiliary clamping piece includes supporting component 1 and stop gear 2, and shaking table body 3 includes workstation 34, and supporting component 1 sets up in the both sides of workstation 34, and stop gear 2 connects on supporting component 1. When vibrating test block 4, place test block 4 on workstation 34, stop gear 2 plays spacing effect to test block 4, then drives the work of shaking table body 3, and stop gear 2 makes test block 4 can be in workstation 34's vibration center department all the time, has realized improving the function of vibration effect.

As shown in fig. 1, the vibration table body 3 includes a base 31 and a vibration motor 33, a table 34 is located above the base 31, and a plurality of compression springs 32 connected between the table 34 and the base 31 and the vibration motor are disposed under the table 34. When vibrating test block 4, place test block 4 on workstation 34, then drive vibrating motor vibration, vibrating motor drives workstation 34 vibration, and compression spring 32 plays the cushioning effect to the collision between workstation 34 and the base 31 for workstation 34 is difficult for taking place the rigidity collision with base 31, and test block 4 vibrates along with workstation 34 vibration.

As shown in FIG. 1, the supporting assembly 1 comprises a supporting plate 11, a lifting mechanism and a supporting rod 13, the supporting plate 11 is fixedly connected to one side of the worktable 34 by bolts, the lifting mechanism is vertically arranged above the supporting plate 11, the supporting rod 13 is horizontally fixedly connected above the lifting mechanism, the supporting rod 13 is arranged parallel to the side edge of the worktable 34, the lifting mechanism can be driven by a motor to drive a gear rack or a cylinder, the lifting mechanism adopts the second mode, the lifting mechanism is a lifting cylinder 12, the lifting cylinder 12 is fixedly connected to the supporting plate 11 in the vertical direction, the lifting cylinder 12 comprises a piston rod, the supporting rod 13 is fixedly connected to the piston rod, the lifting cylinder 12 drives the supporting rod 13 to lift in the vertical direction, the height adjustment of the limiting mechanism 2 is realized, and the auxiliary piece can be adapted to the worktable 34 with different heights, the adaptability of the auxiliary element is thus improved.

As shown in fig. 1, the limiting mechanism 2 includes a cross rod 21, a longitudinal plate 22, a cross rod driver 23 and a longitudinal plate driver 24, two ends of the cross rod 21 are respectively connected to the two support rods 13, the two cross rods 21 are parallel to each other and are all perpendicular to the support rods 13, the longitudinal plate 22 is connected between the two cross rods 21, the longitudinal plate 22 is perpendicular to the cross rod 21, the longitudinal plate 22 is of a telescopic structure, one side of each of the two cross rods 21 close to the longitudinal plate 22 is fixedly connected with a transverse plate 211 along the vertical direction, the cross rod driver 23 is connected to the support rods 13, the cross rod driver 23 can drive the cross rod 21 to move along the direction of the longitudinal plate 22, the two longitudinal plates 22 are respectively connected with the two longitudinal plate drivers 24, the longitudinal plate drivers 24 are connected to the cross rods 21, and the longitudinal plate. Before vibrating the test block 4, the supporting assemblies 1 are installed on two sides of the workbench 34, the cross rods 21 are located above the workbench 34, the two cross rods 21 are respectively moved to positions close to the center of the workbench 34 through the cross rod drive 23, the longitudinal plates 22 are made of telescopic materials, so the longitudinal plates 22 can stretch and retract along with the movement of the two cross rods 21, then the longitudinal plate drive 24 drives the two longitudinal plates 22 to move to positions close to the center of the workbench 34, so that the longitudinal plates 22 and the transverse plates 211 form a rectangular frame located at the center of the workbench 34, then the test block 4 is placed between the transverse plates 211 and the longitudinal plates 22, the vibrating table body 3 is started to vibrate, the test block 4 gradually moves and moves towards the direction close to the transverse plates 211 or the longitudinal plates 22 in the vibrating process, when the test block 4 abuts against one transverse plate 211 in the vibrating process, the cross rod drive 23 drives the transverse plates 211 to push the test block 4 to move towards the direction close to the other transverse plate 211, promote diaphragm 211 that test block 4 removed and resume the normal position, make test block 4 be located between two diaphragm 211, when test block 4 and vertical plate 22 butt, it removes test block 4 to the direction that is close to another vertical plate 22 to drive vertical plate 22 through vertical plate drive 24, promote vertical plate 22 that test block 4 removed and resume the normal position, make test block 4 be located between two vertical plate 22, diaphragm 211 and vertical plate 22 have played spacing and the effect of adjusting test block 4 position to test block 4, consequently, realized making test block 4 can be in the vibration center all the time, test block 4 is difficult for contacting with diaphragm 211 and vertical plate 22 for a long time at the vibration in-process simultaneously, consequently make test block 4 be difficult for taking place the striking with diaphragm 211 or vertical plate 22, and then lead to the fact the influence to test block 4. As shown in fig. 2, the two vertical plates 22 and the two horizontal plates 211 are both provided with the pressure sensors 25, when the test block 4 is in contact with the horizontal plate 211 or the vertical plate 22, the pressure sensors 25 send signals to the vertical plate drive 24 or the horizontal rod drive 23, so that the vertical plate drive 24 or the horizontal rod drive 23 controls the vertical plate 22 or the horizontal plate 211 to push the test block 4 to be located in the horizontal plate 211 and the vertical plate 22, and therefore, when the test block 4 is in contact with the horizontal plate 211 or the vertical plate 22, the test block 4 can be pushed to a position close to a vibration center by the horizontal plate 211 or the vertical plate 22, and the test block 4 cannot be always in a contact state with the horizontal plate 211 or the vertical plate 22 in a vibration process, so that the test block 4 is damaged, and the test effect of the test block is affected. All fixedly on the relative lateral wall of two diaphragm 211 and all being provided with the rubber layer, all being provided with the rubber layer on the relative lateral wall of two vertical plates 22, the rubber layer is flexible material for diaphragm 211 or vertical plate 22 are difficult for taking place rigid collision with test block 4 when test block 4 is with diaphragm 211 or vertical plate 22 butt, and then lead to the fact the damage to test block 4.

As shown in fig. 2, two horizontal pole drives 23 are arranged with the center department symmetry of workstation 34, horizontal pole drive 23 is for driving actuating cylinder 231, it includes the piston rod to drive actuating cylinder 231, horizontal pole 21 perpendicular to piston rod, piston rod and horizontal pole 21 fixed connection, it follows bracing piece 13 reciprocating motion to drive horizontal pole 21 through the cylinder, consequently, realized conveniently moving through horizontal pole 21 and drive horizontal pole 211 and remove, and then realize spacing function to test block 4, fixed surface is provided with bracing piece slide rail 131 on bracing piece 13, bracing piece slide rail 131 sets up along being on a parallel with perpendicular to horizontal pole 21 direction, horizontal pole 21 and big groove sliding connection, the piston rod that drives actuating cylinder 231 drives horizontal pole 21 and removes, because bracing piece slide rail 131 and big groove sliding connection, consequently, it is more stable to make horizontal pole 21 slide along bracing piece 13.

As shown in fig. 2 and 3, the vertical plate driver 24 is symmetrically disposed with the center of the cross bar 21 as a symmetric center, the vertical plate driver 24 includes a driving screw 241 and a driving motor 242, the upper surface of the cross bar 21 is fixedly provided with a cross bar sliding slot 212, the cross bar sliding slot 212 is formed along a direction parallel to the length direction of the cross bar 21, the middle of the cross bar 21 is fixedly connected with a first fixing plate 213, the end of the cross bar 21 is fixedly provided with a second fixing plate 214, two sides of the vertical plate 22 are fixedly connected with vertical plate sliding blocks 223, the vertical plate sliding blocks 223 are slidably connected with the cross bar sliding slot 212, the driving screw 241 penetrates through the vertical plate sliding blocks 223 and is in threaded connection with the vertical plate sliding blocks 223, two ends of the driving screw 241 are rotatably connected with the first fixing plate 213 and the second fixing plate 214 respectively, the driving motor 242 is located at the end of the cross bar. When the driving motor 242 works, the driving screw rod 241 rotates, and the longitudinal plate sliding block 223 is in threaded connection with the driving screw rod 241, and meanwhile, the longitudinal plate sliding block 223 is in sliding connection with the cross rod sliding groove 212, so that the longitudinal plate sliding block 223 can only drive the longitudinal plate 22 to move along the length direction of the cross rod 21, and accordingly, the two longitudinal plates 22 are respectively controlled to move, and further, the position of the test block 4 is adjusted and limited.

As shown in fig. 4, the longitudinal plate 22 includes a socket plate 221 and a socket plate 222, the socket plate 222 and the socket plate 221 are respectively connected to the two cross bars 21 through a longitudinal plate slider 223, a groove 2211 is formed in one side of the socket plate 221, which is in socket fit with the socket plate 222, the socket plate 222 is located in the groove 2211, a stop 2221 is fixedly connected to an end of the socket plate 222, a baffle 2212 is fixedly connected to one side of the groove 2211, and the baffle 2212 has a limiting effect on the stop 2221. The socket plate 221 and the inserting plate 222 are in inserting fit, so that the length of the longitudinal plate 22 is of a telescopic structure, when the cross rod 21 moves, the socket plate 221 or the inserting plate 222 moves along with the cross rod, the baffle 2212 stops the stop block 2221, and the inserting plate 222 cannot slide out of the socket plate 221, so that the length of the longitudinal plate 22 can be adjusted, namely, the longitudinal plate 22 is of a telescopic structure.

The utility model discloses a theory of operation does:

before vibrating the test block 4, the supporting assemblies 1 are installed on two sides of the workbench 34, the cross rods 21 are positioned above the workbench 34, the two cross rods 21 are respectively moved to positions close to the center of the workbench 34 through the cross rod drive 23, the longitudinal plate 22 can stretch and retract along with the movement of the two cross rods 21 because the longitudinal plate 22 is made of a telescopic material, then the two longitudinal plates 22 are driven to move to positions close to the center of the workbench 34 through the longitudinal plate drive 24, so that the longitudinal plate 22 and the transverse plate 211 form a rectangular frame positioned at the center of the workbench 34, then the test block 4 is placed between the transverse plate 211 and the longitudinal plate 22, the vibrating table body 3 is started to vibrate, the test block 4 gradually moves and moves towards the direction close to the transverse plate 211 or the longitudinal plate 22 in the vibrating process, when the test block 4 abuts against one transverse plate 211 in the vibrating process, the pressure sensor 25 sends a response signal, at the moment, the transverse plate 211 is driven by the driving air cylinder 231 to drive the transverse plate 211 to push the test block 4 to, promote the diaphragm 211 that test block 4 removed and resume the normal position, make test block 4 be located between two diaphragm 211, when test block 4 and vertical plate 22 butt, driving motor 242 drives drive lead screw 241 and rotates, vertical plate slider 223 drives vertical plate 22 and moves test block 4 to the direction that is close to another vertical plate 22, the vertical plate 22 that promotes test block 4 to remove resumes the normal position, make test block 4 be located between two vertical plates 22, diaphragm 211 and vertical plate 22 have played spacing and the effect of adjusting test block 4 position to test block 4, consequently, realized making test block 4 can be in the vibration center all the time, test block 4 is difficult for contacting with diaphragm 211 and vertical plate 22 for a long time at the vibration in-process simultaneously, consequently, make test block 4 difficult for taking place the striking with diaphragm 211 or vertical plate 22, and then lead to the fact the influence to test block 4.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a shaking table with limit function, the shaking table includes shaking table body (3) and supplementary clamping piece, and shaking table body (3) includes workstation (34), supplementary clamping piece includes supporting component (1) and stop gear (2), and supporting component (1) sets up the both sides at workstation (34), its characterized in that, stop gear (2) include two horizontal poles (21) that are parallel to each other, and the both ends of horizontal pole (21) are connected respectively on two supporting component (1), are connected with two longitudinal plates (22) that are parallel to each other between two horizontal poles (21), and longitudinal plate (22) are perpendicular to horizontal pole (21), and one side that is close to longitudinal plate (22) on two horizontal poles (21) all is connected with diaphragm (211) along vertical direction fixedly, and longitudinal plate (22) are extending structure, and two horizontal poles (21) are connected with two horizontal pole drives (23) respectively, the transverse rod drive (23) drives the transverse rod (21) to move along the direction of the longitudinal plates (22), the two longitudinal plates (22) are respectively connected with two longitudinal plate drives (24), and the longitudinal plate drives (24) can drive the longitudinal plates (22) to move along the transverse rod (21).

2. A vibrating table with a limiting function, as per claim 1, characterized in that pressure sensors (25) are provided on both longitudinal plates (22) and both transverse plates (211).

3. The vibrating table with the limiting function according to claim 1, wherein two cross bar drives (23) are symmetrically arranged at the center of the working table (34), the cross bar drives (23) are driving cylinders (231), the supporting assembly (1) comprises a supporting plate (11), a lifting mechanism and a supporting rod (13), the lifting mechanism is arranged above the supporting plate (11) along the vertical direction, the supporting rod (13) is fixedly connected above the lifting mechanism along the horizontal direction, the direction of the supporting rod (13) is perpendicular to the direction of the cross bar (21), the driving cylinders (231) are fixedly arranged at one ends of the supporting rods (13), each driving cylinder (231) comprises a piston rod, each cross bar (21) is perpendicular to the piston rod, and the piston rods are fixedly connected with the cross bar (21).

4. The vibrating table with the limiting function according to claim 1, wherein the longitudinal plate drives (24) are symmetrically arranged with the center of the cross rod (21) as a symmetric center, the longitudinal plate drives (24) comprise a driving lead screw (241) and a driving motor (242), a cross rod sliding groove (212) is fixedly formed in the upper surface of the cross rod (21), the cross rod sliding groove (212) is formed in the direction parallel to the length direction of the cross rod (21), a first fixing plate (213) is fixedly connected to the middle of the cross rod (21), a second fixing plate (214) is fixedly arranged at the end of the cross rod (21), longitudinal plate sliding blocks (223) are fixedly connected to two sides of the longitudinal plate (22), the longitudinal plate sliding blocks (223) are slidably connected to the cross rod sliding groove (212), the driving lead screw (241) penetrates through the longitudinal plate sliding blocks (223) and is in threaded connection with the longitudinal plate sliding blocks (223), two ends of the driving lead screw (241) are respectively rotatably connected to the first fixing plate (213) and the second fixing, the driving motor (242) is located at the end of the cross rod (21), and the output end of the driving motor (242) penetrates through the second fixing plate (214) to be fixedly connected with the driving screw rod (241).

5. A vibration table with a limiting function as claimed in claim 1, wherein rubber layers are fixedly arranged on the opposite side walls of the two transverse plates (211) and rubber layers are arranged on the opposite side walls of the two longitudinal plates (22).

6. The vibrating table with the limiting function according to claim 1, wherein the longitudinal plate (22) comprises a socket plate (221) and a plug plate (222), the plug plate (222) and the socket plate (221) are respectively connected to the two cross rods (21), a groove (2211) is formed in one side, in which the socket plate (221) and the plug plate (222) are in socket fit, the plug plate (222) is located in the groove (2211), a stop block (2221) is fixedly connected to an end portion of the plug plate (222), a baffle plate (2212) is fixedly connected to one side, in an opening shape, of the groove (2211), and the baffle plate (2212) has a limiting function on the stop block (2221).

7. A vibration table with a limiting function according to claim 3, wherein the lifting mechanism is a lifting cylinder (12), the lifting cylinder (12) is fixedly connected to the support plate (11) along the vertical direction, the upgrading cylinder comprises a piston rod, and the support rod (13) is fixedly connected to the piston rod.

8. A vibration table with a limiting function according to claim 3, wherein a support bar slide rail (131) is fixedly arranged on the upper surface of the support bar (13), the support bar slide rail (131) is arranged in a direction parallel to the direction perpendicular to the cross bar (21), and the cross bar (21) is slidably connected with the support bar slide rail (131).