CN116116929A

CN116116929A - Flatness detection and correction equipment for turntable bottom plate assembly of concrete pumping truck

Info

Publication number: CN116116929A
Application number: CN202211696813.XA
Authority: CN
Inventors: 黄冬冬; 宋国林; 刘煜煌; 刘宇鑫; 姚清峰
Original assignee: Guangzhou Zsrobot Intelligent Equipment Co ltd
Current assignee: Guangzhou Zsrobot Intelligent Equipment Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-05-16
Also published as: CN117655155A

Abstract

The invention discloses flatness detection and correction equipment for a turntable bottom plate component of a concrete pumping truck, which comprises a forging correction platform, wherein the forging correction platform is arranged in a forging foundation pit, a detection positioning platform is nested in the forging correction platform, a foot seat component is arranged above the detection positioning platform, a laser positioning module is arranged on one side of the foot seat component, the foot seat component and the laser positioning module are both arranged at the lower end of a forging press, a transmission component is arranged on one side of the forging correction platform, and two ends of the bottom of the transmission component are respectively fixed on the forging foundation pit and the bottom of the forging correction platform.

Description

Flatness detection and correction equipment for turntable bottom plate assembly of concrete pumping truck

Technical Field

The invention relates to the technical field of correction manufacturing equipment, in particular to equipment for detecting and correcting flatness of a turntable bottom plate assembly of a concrete pumping truck.

Background

In the concrete pumping truck, the turntable is used as a base of the arm support and is a structural member formed by welding high-strength thick steel plates, the upper part of the turntable is hinged with the arm support by an arm support connecting sleeve, the lower part of the turntable is connected with the slewing bearing by a high-strength bolt, and the turntable mainly bears the load of the arm support and can rotate in a horizontal plane along with the arm support. Therefore, the supporting surface of the turntable base plate is required to have good welding quality, and the thickness and the flatness of the supporting surface are required to meet the requirements of installation on the axial rigidity and the flatness of the slewing bearing base.

The turntable bottom plate needs to be welded with four reinforcing plates, and the reinforcing plates are thick plate welding, so that the turntable bottom plate is easy to deform and influence the flatness of the bottom plate, and therefore the flatness of the bottom plate (the surface without the reinforcing plates, namely the supporting surface of the turntable) needs to be detected, and if the flatness is found to be unqualified, the bottom plate needs to be subjected to forging and pressing correction. Traditional mode is through the manual work detects, needs the manual work to carry the revolving stage bottom plate to detect the platform fixed after, adopts hand-held type measuring tool to carry out the flatness measurement, and operation intensity is big, and detection efficiency is low, takes place to detect inaccurate condition easily.

Disclosure of Invention

Aiming at the problems, the invention aims to provide a device for detecting and correcting the flatness of a turntable bottom plate assembly of a concrete pumping truck, so as to solve the technical problems in the background art; in order to achieve the above purpose, the invention provides the technical scheme that the flatness detection and correction equipment for the turntable bottom plate assembly of the concrete pumping truck comprises a forging correction platform, wherein the forging correction platform is arranged in a forging foundation pit, a detection positioning platform is arranged in the forging correction platform in a nested manner, a foot seat assembly is arranged above the detection positioning platform, a laser positioning module is arranged on one side of the foot seat assembly, the foot seat assembly and the laser positioning module are both arranged at the lower end of a forging press, a transmission assembly is arranged on one side of the forging correction platform, and two ends of the bottom of the transmission assembly are respectively fixed on the forging foundation pit and the bottom of the forging correction platform.

Preferably, the detection positioning platform specifically comprises a first flange, a disc bearing is fixedly connected above the first flange, ring teeth are movably connected outside the disc bearing, the ring teeth are connected with a gear in a matched mode, the center of the gear is connected with the output end of a speed reducer, the speed reducer is connected with a first motor, a second flange is fixedly connected above the ring teeth, two bending plates and a chassis are oppositely arranged above the second flange, a strut is connected above the chassis, the top end of the strut is connected with a third flange, two cylinders are oppositely arranged above the second flange, the output ends of the two cylinders are connected with the bottom of the third flange and used for adjusting the lifting height of the third flange, shaft sleeves are symmetrically arranged at two ends of the upper end of the third flange, a connecting piece is arranged below the third flange, the lower end of the connecting piece is provided with a second motor, the output end of the second motor penetrates through the connecting piece and is inserted into the shaft sleeve, the third flange is provided with a slewing bearing, the middle of the third flange is fixedly connected with a U-shaped plate, and the upper part of the U-shaped bending plate is fixedly connected with the bending plate.

Preferably, a locking ring is fixedly connected above the slewing bearing, and a positioning hole on the locking ring is connected with a positioning pin.

Preferably, the forging and pressing correction platform comprises an outer support, outer stand column groups are respectively arranged at four corners of the bottom of the outer support, a plurality of first roller groups are arranged at the upper end of the outer support, the first roller groups are arranged in the same direction, positioning blocks are arranged at four corners of the top end of the outer support, the positioning blocks are arranged corresponding to the outer stand column groups, and an inner support is arranged at a hollow part in the outer support.

Preferably, square holes are formed in the inner support, short positioning column groups and long positioning column groups are arranged at the left end and the right end of the square holes, the directions of the short positioning column groups and the long positioning column groups are parallel to the long side direction of the inner support, the curved ends of the short positioning column groups and the long positioning column groups are respectively arranged at the periphery of the square holes and correspond to each other one by one, and five buffer blocks are arranged in the long positioning column groups on the inner support.

Preferably, the outer column group comprises a base, a fixing plate is connected above the base, a supporting block is connected above the fixing plate, a supporting column is connected in the middle of the supporting block, a spring is sleeved outside the supporting column, the upper end and the lower end of the spring respectively support against the bottom end of the outer support and the upper end of the supporting column, and the supporting column penetrates through the outer support and is arranged in the positioning block.

Preferably, the foot seat assembly comprises a big foot seat, the upper end of the big foot seat is connected with a small foot seat through a connecting buckle, and reinforcing ribs are arranged on the front side and the rear side of the big foot seat and the rear side of the small foot seat.

Preferably, the transmission assembly comprises a main support, two mounting feet are arranged on one side of the bottom end of the main support, two feet are arranged on the other side of the bottom end of the main support, roller baffles are arranged on the front side and the rear side of the upper end of the main support, and a plurality of second rollers are arranged between the roller baffles.

Preferably, the laser positioning module comprises a first bearing plate, the frame is connected to the first bearing plate top, first bearing plate lower part one end adapter sleeve joint board, the third motor is connected to one side of the cover plate, the output of third motor passes the inside shaft coupling connection lead screw that passes through of cover plate, the lead screw rotates with the movable block to be connected, the second bearing plate is connected to the movable block lower extreme, the safety cover is connected to the second bearing plate upper end, the inside one side fixed connection laser module of safety cover.

Compared with the prior art, the invention has the beneficial effects that:

the invention can automatically correct the pump truck turntable bottom plate with unqualified flatness, reduces the participation process of personnel, increases the safety in the operation process of equipment, reduces the labor intensity of personnel, ensures the product quality, improves the production efficiency, and greatly improves the detection efficiency and the accuracy.

Drawings

FIG. 1 is a block diagram of the flatness detection and correction apparatus of the present invention mounted to a forging press and a forging press.

FIG. 2 is a block diagram of the flatness detection and correction apparatus of the present invention.

FIG. 3 is a block diagram of a positioning platform according to the present invention.

FIG. 4 is a second block diagram of the inspection positioning platform of the present invention.

FIG. 5 is a block diagram of a forging and stamping corrective platform of the present invention.

Fig. 6 is a structural view of the outer column set of the present invention.

FIG. 7 is a block diagram of a foot rest assembly according to the present invention.

Fig. 8 is a block diagram of a transmission assembly of the present invention.

FIG. 9 is a block diagram of a laser positioning module according to the present invention.

FIG. 10 is a partial block diagram of a laser positioning module according to the present invention.

In the figure: 1. detecting a positioning platform; 101. a first flange; 102. ring teeth; 103. a connecting piece; 104. a second flange; 105. an oil cylinder; 106. a bending plate; 107. a third flange; 108. a U-shaped bending plate; 109. a fixing member; 110. a slewing bearing; 111. a shaft sleeve; 112. a connecting block; 113. a support post; 114. a chassis; 115. a gear; 116. a speed reducer; 117. a first motor; 118. a second motor; 119. a positioning pin; 120. locking the circular ring; 121. a disc bearing; 122. a fixed bearing assembly; 2. forging and pressing the correcting platform; 201. an inner column; 202. a short set of positioning posts; 203. an inner bracket; 204. an outer bracket; 205. a buffer block; 206. a long positioning column group; 207. a positioning block; 208. an outer column group; 209. a first roller set; 210. a base; 211. a fixing plate; 212. a support block; 213. a support column; 214. a spring; 3. a foot rest assembly; 301. a small foot stand; 302. a connecting buckle; 303. a big foot seat; 4. a transmission assembly; 401. a second drum; 402. a roller baffle; 403. a foot margin; 404. a main support; 405. a mounting foot; 5. a laser positioning module; 501. a frame; 502. a first receiving plate; 503. a third motor; 504. a coupling; 505. a protective cover; 506. a laser module; 507. a second receiving plate; 508. a movable block; 509. sleeving a plate; 6. forging and pressing the foundation pit; 7. forging press.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "configured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art. Hereinafter, an embodiment of the present invention will be described in accordance with its entire structure.

Referring to fig. 1 and 2, the present invention provides a device for detecting and correcting flatness of a turntable bottom plate assembly of a concrete pumping truck, which comprises a forging correction platform 2, wherein the forging correction platform 2 is disposed in a forging foundation pit 6, a detection positioning platform 1 is nested in the forging correction platform 2, a foot seat assembly 3 is disposed above the detection positioning platform 1, a laser positioning module 5 is disposed at one side of the foot seat assembly 3, the foot seat assembly 3 and the laser positioning module 5 are both mounted at the lower end of a forging press 7, a transmission assembly 4 is disposed at one side of the forging correction platform 2, and two ends of the bottom of the transmission assembly 4 are respectively fixed on the forging foundation pit 6 and the bottom of the forging correction platform 2.

Referring to fig. 3-4, the detection positioning platform 1 specifically includes a first flange 101, a disc bearing 121 is fixedly connected above the first flange 101, ring teeth 102 are movably connected outside the disc bearing 121, the ring teeth 102 are in fit connection with a gear 115, the center of the gear 115 is connected with the output end of a reducer 116, the reducer 116 is connected with a first motor 117, the first motor 117 is a servo motor, the upper part of the ring teeth 102 is fixedly connected with a second flange 104, two bending plates 106 and a chassis 114 are oppositely arranged above the second flange 104, a strut 113 is connected above the chassis 114, the top end of the strut 113 is connected with a third flange 107, two cylinders 105 are oppositely arranged above the second flange 104, the output ends of the two cylinders 105 are connected with the bottom of the third flange 107 for adjusting the lifting height of the third flange 107, shaft sleeves 111 are symmetrically arranged at the two ends above the third flange 107, a connecting piece 103 is arranged below the third flange 107, a second motor 118 is arranged at the lower end of the connecting piece 103, the output end of the second motor 118 passes through the connecting piece 103 and is inserted into the shaft sleeves 111, a rotary support 110 is sleeved above the third flange 107, a rotary support 110 is fixedly connected with a locking ring 120, and a U-shaped fixing pin is fixedly connected with the upper bending plate 106, and a U-shaped positioning plate 120 is fixedly connected with the middle positioning plate 106; because the first flange 101 is fixedly connected with the disc bearing 121, the disc bearing 121 and the ring teeth 102 can be movably connected through balls, the ring teeth 102 are welded with the second flange 104, the second flange 104 is connected with the third flange 107 through the support posts 113, the oil cylinders 105 connected between the second flange 104 and the third flange 107 ensure that the oil cylinders 105 on two sides can support the pressure value of the third flange 107 in the pressing down process of the forging press 7, the third flange 107 can be stably operated in the operation process of the detection platform to counteract vibration generated in the mechanical operation, so that the correction is more accurate, the characteristics of the oil cylinders 105 can also ensure that the whole detection and positioning platform 1 is more stable in operation and stronger in compression resistance, the holes corresponding to the front ends of the oil cylinders 105 are arranged on the third flange 107, the positioning degree of the third flange 107 is further enhanced, the third flange 107 is placed to deviate from the rotation of the detection positioning platform 1 due to overpressure or excessive torsion, the stability of the structure is enhanced, the upper end of the bending plate 106 is not connected with the third flange 107, but is spaced with a certain gap from the third flange 107, so that after being pressurized, secondary buffering is performed, the structural strength and bearing area between the second flange 104 are enhanced, the output end of the second motor 118 below the third flange 107 adopts an external thread structure, a cylinder is arranged in the shaft sleeve 111, one end of the cylinder is provided with an internal thread structure matched with the external thread of the output end, a section of protrusion corresponding to the groove in the shaft sleeve 111 is arranged outside the cylinder, when the second motor 118 rotates, the cylinder in the shaft sleeve 111 can pass through the hole on the locking circular ring 120 to fix the locking disc, the locking disc can be used or removed according to the size of the plate, the fixing piece 109 on the third flange 107 is matched with the third flange 107 and the slewing bearing 110 to position the plate and adjust the plate in the appointed direction, the rotation of the second flange 104 is based on the rotation of the fixed bearing assembly 122, the plate-shaped two ends of the fixed bearing assembly 122 are mounted at the bottom end of the disc bearing 121, the end face of one end of a pipeline of the fixed bearing assembly 122 is fixedly connected to the inner wall of the first flange 101, the stability and the structural strength of the fixed bearing assembly 122 for supporting the rotation of the second flange 104 are ensured, if the pointer direction of the fixing piece 109 is required to be adjusted, only the first motor 117 is required to be started, the first motor 117 drives the gear 115 on the speed reducer 116, the gear 115 drives the ring teeth 102, the ring teeth 102 are welded with the second flange 104, the second flange 104 rotates to drive the third flange 107 above, and therefore different plate can be accurately corrected.

Referring to fig. 5, the forging and pressing correction platform 2 includes an outer bracket 204, outer column groups 208 are respectively disposed at four corners of the bottom of the outer bracket 204, a plurality of first roller groups 209 are disposed at the upper end of the outer bracket 204, the first roller groups 209 are arranged in the same direction, positioning blocks 207 are disposed at four corners of the top of the outer bracket 204, the positioning blocks 207 are disposed corresponding to the outer column groups 208, and an inner bracket 203 is disposed at a hollow portion in the outer bracket 204. The inner support 203 is internally provided with a square hole, the left end and the right end of the square hole are provided with a short positioning column group 202 and a long positioning column group 206, the directions of the short positioning column group 202 and the long positioning column group 206 are parallel to the long side direction of the inner support 203, the curved ends of the short positioning column group 202 and the long positioning column group 206 are respectively arranged at the periphery of the square hole and correspond to each other one by one, and five buffer blocks 205 are arranged in the long positioning column group 206 on the inner support 203. Referring to fig. 6, the outer column group 208 includes a base 210, a fixing plate 211 is connected above the base 210, a supporting block 212 is connected above the fixing plate 211, a supporting column 213 is connected in the middle of the supporting block 212, a spring 214 is sleeved outside the supporting column 213, the upper end and the lower end of the spring 214 respectively support against the bottom end of the outer bracket 204 and the upper end of the supporting column 213, and the supporting column 213 passes through the outer bracket 204 and is arranged in the positioning block 207; because the detection positioning platform 1 is mounted in the square hole of the forging and pressing correction platform 2, the short positioning column group 202 and the long positioning column group 206 can cooperate with the rotation of the detection positioning platform 1 to correct the angle of the plate placed between the short positioning column group 202 and the long positioning column group 206, for example, a shorter bending plate is placed on the short positioning column group 202, a bending section fixed by the plate is mounted and positioned on the third flange 107, the position of the plate on the third flange 107 is inserted and fixed through a steel column, and the first motor 117 is started to correct the plate of the bending section; the forging and stamping correction platform 2 can correspondingly correct the flatness of the plate of the forging press 7, fix the plate between or on the short positioning column group 202 or the long positioning column group 206, and forge and stamp; meanwhile, the outer support 204 can be guaranteed to operate uniformly in cooperation with the height of the inner support 203 in the outer column group 208, so that the corrected plate can be transported or subjected to the next process through the first roller group 209.

Referring to fig. 7, the foot stand assembly 3 includes a large foot stand 303, the upper end of the large foot stand 303 is connected with a small foot stand 301 through a connecting buckle 302, the front and rear sides of the large foot stand 303 and the small foot stand 301 are respectively provided with a reinforcing rib, the foot stand assembly 3 is installed below the forging press 7 and is used for positioning and fastening in the downward pressing process of the forging press 7, the foot stand assembly 3 is installed under the forging press 7 and in the middle of the detection positioning platform 1 and the forging and pressing correcting platform 2, the forging and pressing area is ensured to be more accurate, meanwhile, a spring 214 is arranged in the outer upright post group 208, the outer bracket 204 can float up and down, and the foot stand assembly 3 is prevented from 'injuring the outer bracket 204 or the first roller group 209 on the outer bracket 204 by mistake'.

Referring to fig. 8, the transmission assembly 4 includes a main support 404, two mounting feet 405 are disposed on one side of the bottom end of the main support 404, two feet 403 are disposed on the other side of the bottom end of the main support 404, roller baffles 402 are disposed on front and rear sides of the upper end of the main support 404, and a plurality of second rollers 401 are disposed between the roller baffles 402, so that normal transportation of the plate is ensured.

Referring to fig. 9 and 10, the laser positioning module 5 includes a first receiving plate 502, a frame 501 is connected above the first receiving plate 502, a connecting sleeve plate 509 is connected to one end of the lower portion of the first receiving plate 502, one side of the connecting sleeve plate 509 is connected to a third motor 503, an output end of the third motor 503 passes through the inside of the connecting sleeve plate 509 and is connected to a screw rod through a coupler 504, the screw rod is rotatably connected with a movable block 508, the lower end of the movable block 508 is connected to a second receiving plate 507, the upper end of the second receiving plate 507 is connected to a protective cover 505, and one side inside the protective cover 505 is fixedly connected to a laser module 506; the third motor 503 of the laser positioning module 5 rotates to drive the coupler 504, the coupler 504 drives the screw rod to rotate so as to adjust the position of the second bearing plate 507, and then the laser module 506 is driven to move; the laser module 506 can measure the distance and detect the position of the plate, correct and align more accurately, and the laser module 506 links the computer to perform high-precision positioning and distance measurement.

Working principle: after the flatness detection and correction device is installed between the forging and pressing foundation pit 6 and the forging and pressing machine 7, as shown in fig. 1 and 2, the mechanical arm conveys the plate to the detection and positioning platform 1 from the previous working procedure, the detection procedure is started, the first motor 117 rotates, the laser positioning module 5 detects and measures the plate, if the detection is qualified, the mechanical arm conveys the plate to the next working procedure, if the detection is not qualified, the mechanical arm pushes the plate to the forging and pressing correction platform 2, the plate descends through the forging and pressing machine 7 to forge and press through the foot seat assembly 3, after correction is finished, the plate is pushed back to the detection and positioning platform 1 continuously to detect until the detection is qualified, and the mechanical arm conveys the plate to the next working procedure. If a special fault is encountered, the panel is manually pulled from the transport assembly 4.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and accordingly, the embodiments are to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. The utility model provides a concrete pumping car revolving stage bottom plate subassembly flatness detects and correction equipment, a serial communication port, including forging and pressing correction platform (2), forging and pressing correction platform (2) are arranged in forging and pressing foundation ditch (6), nested setting detection positioning platform (1) in forging and pressing correction platform (2), the top of detection positioning platform (1) sets up foot seat subassembly (3), one side of foot seat subassembly (3) sets up laser positioning module (5), the lower extreme at forging press (7) is all installed to foot seat subassembly (3) and laser positioning module (5), one side of forging and pressing correction platform (2) sets up transmission subassembly (4), transmission subassembly (4) bottom both ends are fixed respectively on forging and pressing foundation ditch (6) and forging and pressing correction platform (2) bottom.

2. The device for detecting and correcting flatness of a turntable bottom plate assembly of a concrete pumping truck according to claim 1, wherein the detecting and positioning platform (1) specifically comprises a first flange (101), a disc bearing (121) is fixedly connected above the first flange (101), ring teeth (102) are movably connected outside the disc bearing (121), the ring teeth (102) are connected with a gear (115) in a matched manner, the center of the gear (115) is connected with the output end of a reducer (116), the reducer (116) is connected with a first motor (117), the upper part of the ring teeth (102) is fixedly connected with a second flange (104), two bending plates (106) and a chassis (114) are oppositely arranged above the second flange (104), a strut (113) is connected with a third flange (107) above the chassis (114), two cylinders (105) are oppositely arranged above the second flange (104), the output ends of the two cylinders (105) are connected with the bottom of the third flange (107) for adjusting the height of the third motor (103), the upper part (103) is symmetrically arranged below the third flange (107), two ends of the third flange (107) are symmetrically arranged above the second flange (107), the output end of the second motor (118) penetrates through the connecting piece (103) and is inserted into the shaft sleeve (111), the slewing bearing (110) is sleeved in the third flange (107), the middle of the third flange (107) is fixedly connected with the U-shaped bending plate (106), and the fixing piece (109) is connected above the U-shaped bending plate (106).

3. The equipment for detecting and correcting the flatness of the turntable bottom plate assembly of the concrete pumping truck according to claim 2, wherein a locking ring (120) is fixedly connected above the slewing bearing (110), and a positioning hole on the locking ring (120) is connected with a positioning pin (119).

4. The concrete pumping truck turntable bottom plate assembly flatness detection and correction device according to claim 1, wherein the forging and pressing correction platform (2) comprises an outer support (204), outer column groups (208) are respectively arranged at four corners of the bottom of the outer support (204), a plurality of first roller groups (209) are arranged at the upper end of the outer support (204), the first roller groups (209) are arranged in the same direction, positioning blocks (207) are arranged at four corners of the top end of the outer support (204), the positioning blocks (207) are correspondingly arranged with the outer column groups (208), and inner supports (203) are arranged at hollow positions in the outer support (204).

5. The device for detecting and correcting flatness of a turntable bottom plate assembly of a concrete pumping truck according to claim 4, wherein square holes are formed in the inner support (203), short positioning column groups (202) and long positioning column groups (206) are formed in the left end and the right end of each square hole, the directions of the short positioning column groups (202) and the long positioning column groups (206) are parallel to the long side direction of the inner support (203), and the curved ends of the short positioning column groups (202) and the long positioning column groups (206) are respectively arranged on the periphery of each square hole and correspond to each other one by one, and five buffer blocks (205) are arranged in the long positioning column groups (206) on the inner support (203).

6. The device for detecting and correcting flatness of a turntable bottom plate assembly of a concrete pumping truck according to claim 4, wherein the outer column group (208) comprises a base (210), a fixing plate (211) is connected above the base (210), a supporting block (212) is connected above the fixing plate (211), a supporting column (213) is connected in the middle of the supporting block (212), a spring (214) is sleeved outside the supporting column (213), the upper end and the lower end of the spring (214) respectively support against the bottom end of the outer support (204) and the upper end of the supporting column (213), and the supporting column (213) passes through the outer support (204) and is arranged in the positioning block (207).

7. The device for detecting and correcting flatness of a turntable bottom plate assembly of a concrete pumping truck according to claim 1, wherein the foot base assembly (3) comprises a large foot base (303), the upper end of the large foot base (303) is connected with a small foot base (301) through a connecting buckle (302), and reinforcing ribs are arranged on the front side and the rear side of the large foot base (303) and the front side and the rear side of the small foot base (301).

8. The equipment for detecting and correcting the flatness of the turntable bottom plate assembly of the concrete pumping truck according to claim 1, wherein the transmission assembly (4) comprises a main support (404), two mounting feet (405) are arranged on one side of the bottom end of the main support (404), two feet (403) are arranged on the other side of the bottom end of the main support (404), roller baffles (402) are arranged on the front side and the rear side of the upper end of the main support (404), and a plurality of second rollers (401) are arranged between the roller baffles (402).

9. The flatness detection and correction device for the turntable bottom plate assembly of the concrete pumping truck according to claim 1, wherein the laser positioning module (5) comprises a first bearing plate (502), a frame (501) is connected above the first bearing plate (502), a connecting sleeve plate (509) is connected to one side of the connecting sleeve plate (509) at the lower part of the first bearing plate (502), the output end of the third motor (503) penetrates through the inside of the connecting sleeve plate (509) and is connected with a screw rod through a coupler (504), the screw rod is rotationally connected with a movable block (508), the lower end of the movable block (508) is connected with a second bearing plate (507), the upper end of the second bearing plate (507) is connected with a protective cover (505), and one side of the inside of the protective cover (505) is fixedly connected with a laser module (506).