Parallel coplanar laser measuring instrument

Abstract

The invention relates to the technical field of laser measuring instruments, and discloses a parallel coplanar laser measuring instrument which comprises a laser measurer and a working case, an LED screen is installed on the top of the working case, and the laser measurer is installed on the front face of the working case. According to the parallel coplanar laser measuring instrument, the to-be-measured bearing plate, the connecting threaded rod and the metal sliding rail are arranged, the to-be-measured bearing plate and the connecting threaded rod slide on the surface of the metal sliding rail, then the nut is rotated, the nut rotates on the surface of the connecting threaded rod, and therefore the to-be-measured bearing plate and the metal sliding rail can be locked and fixed; objects of different specifications can be clamped and fixed, a to-be-tested bearing plate slides on the surfaces of the metal sliding rods, so that the position of the to-be-tested bearing plate can be adjusted, the number of the metal sliding rods is multiple, the stability of the to-be-tested bearing plate can be kept through the multiple metal sliding rods, the objects are prevented from being separated from the to-be-tested bearing plate, and clamping of the objects is more stable.

Description

Technical Field

[0001] The present invention relates to the technical field of laser measuring instruments, and particularly to a parallel coplanar laser measuring instrument. Background Art

[0002] A parallel coplanar laser measuring instrument is a high-precision measuring tool that combines laser technology and the parallel coplanar concept of geometry to achieve accurate and non-contact measurement of an object plane.

[0003] There is a bearing platform inside the parallel coplanar laser measuring instrument. The bearing platform can carry an object, enabling the laser measuring device to perform laser measurement operations on the object. When the bearing platform is installed at the bottom of the parallel coplanar laser measuring instrument and needs to be replaced, the entire device needs to be disassembled, making the replacement of the bearing platform rather troublesome and time-consuming. Summary of the Invention

[0004] The purpose of the present invention is to provide a parallel coplanar laser measuring instrument to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the present invention provides the following technical solution: A parallel coplanar laser measuring instrument includes a laser measuring device and a working chassis. An LED screen is installed on the top of the working chassis, and the laser measuring device is installed on the front of the working chassis.

[0006] The laser measuring device includes a measuring housing, a connection socket, a bearing housing, a laser generator, a connection frame, a second limiting frame, a bearing assembly, and a bearing base. The connection socket is fixedly connected to the top of the measuring housing. The second limiting frame is installed on both sides of the measuring housing. The bearing housing is installed on the top of the second limiting frame. The laser generator is installed on the inner wall surface of the bearing housing. The connection frame is connected to the surface of the laser generator. The bearing assembly is installed on the top of the bearing base, and the bearing base is installed at the bottom of the measuring housing.

[0007] The laser generator includes a first limiting frame, a laser generator body, a connecting wire, and a first metal block. The connecting wire is fixedly connected to the back of the laser generator body. The laser generator body is installed on the inner wall surface of the first limiting frame. The first metal block is fixedly connected to the outer surface of the first limiting frame.

[0008] The bearing assembly includes a limiting plug, a metal sliding rod, a metal sliding rail, a to-be-measured bearing plate, and a connecting threaded rod. The connecting threaded rod is fixedly connected to the front of the to-be-measured bearing plate. The to-be-measured bearing plate is slidably connected to the surface of the metal sliding rod. The limiting plug is fixedly connected to both sides of the metal sliding rod. The metal sliding rail is fixedly connected to the front of the limiting plug.

[0009] Preferably, the connection frame includes a connection block, a threaded rod, a metal cylinder, a sliding frame, a limiting block, a connection sleeve, and a connecting rod. The connection block is fixedly connected to the back of the threaded rod. The threaded rod is slidably connected to the inner wall surface of the metal cylinder. The metal cylinder is fixedly connected to the back of the sliding frame. The limiting block is rotatably connected to the bottom of the sliding frame. The connection sleeve is inserted into the front of the threaded rod. The connection sleeve is fixedly connected to the upper and lower surfaces of the connecting rod.

[0010] Preferably, the second limiting frame includes a metal outer shell, a metal plate, a bearing plate, and a plug-in threaded rod. The metal plate is fixedly connected to the top of the metal outer shell. The metal plate is installed on the top of the plug-in threaded rod. The bearing plate is installed on the upper part of the metal plate.

[0011] Preferably, the bearing plate includes a plug-in metal plate, a second metal block, an L-shaped metal plate, and a locking threaded rod. The locking threaded rod is fixedly connected to the outer side surface of the L-shaped metal plate. The plug-in metal plate is slidably connected to the surface of the locking threaded rod. The second metal block is fixedly connected to the outer side surface of the plug-in metal plate.

[0012] Preferably, the bearing outer shell is slidably connected to the inner wall surface of the measuring outer shell, the bearing outer shell is slidably connected to the inner wall surface of the metal outer shell, the bearing outer shell is slidably connected to the top of the L-shaped metal plate, the L-shaped metal plate is slidably connected to the inner side surface of the metal outer shell, the plug-in metal plate is slidably connected to the outer side surface of the metal outer shell, the locking threaded rod is slidably connected to the inner wall surface of the metal outer shell. The bearing outer shell is inserted into the interior of the measuring outer shell, so that the bearing outer shell moves backward along the inner wall surface of the metal outer shell. At the same time, the bearing outer shell is supported by the L-shaped metal plate.

[0013] Preferably, the first metal block is movably connected to the back of the metal cylinder. The metal cylinder is movably connected to the top of the measuring outer shell. The metal cylinder moves backward, so that the front surfaces of the metal cylinder and the first metal block are connected, thereby being able to determine the positions of the sliding frame and the metal cylinder.

[0014] Preferably, the limiting block is slidably connected to the front of the bearing outer shell. The sliding frame is slidably connected to the front of the bearing outer shell. The threaded rod is slidably connected to the inner wall surface of the sliding frame. The limiting block is inserted into the bottom of the sliding frame, thereby being able to determine the position of the sliding frame. Then rotate the nut, and the nut rotates on the surface of the threaded rod, thereby being able to determine the position of the sliding frame.

[0015] Preferably, the connecting threaded rod is movably connected to the inner wall surface of the metal slide rail, the metal slide rail is slidably connected to the front part of the to-be-tested bearing plate, the to-be-tested bearing plate is slidably connected to the surface of the metal slide rod, the limiting insertion block is inserted into the top of the bearing base, and the to-be-tested bearing plate slides on the surface of the metal slide rail, so that the position of the to-be-tested bearing plate can be adjusted. At the same time, the to-be-tested bearing plate slides on the surface of the metal slide rod, so that the position of the to-be-tested bearing plate can be determined.

[0016] Preferably, the metal plate is slidably connected to the top of the inserting threaded rod, the second metal block is slidably connected to the bottom of the inserting threaded rod, and the metal outer shell is inserted into both sides of the measuring outer shell. The second metal block adjusts the position of the L-shaped metal plate by means of the metal plate and the inserting threaded rod, so as to be able to clamp and fix bearing outer shells of different specifications.

[0017] Preferably, the connecting block is slidably connected to the outer surface of one side of the limiting frame, the connecting block is movably connected to the back surface of the first metal block, and the first metal block is slidably connected to the surface of the threaded rod. When the connecting block moves forward, the connecting block can push the threaded rod to move outwards, so that the threaded rod is inserted into the inner wall surface of the first metal block, so as to be able to determine the positions of the connecting block and the threaded rod, and thus be able to connect between the connecting block and the limiting frame one, which is convenient for adjusting the position of the laser generator body.

[0018] Compared with the prior art, the beneficial effects of the present invention are: 1. For this parallel coplanar laser measuring instrument, by setting the to-be-tested bearing plate, the connecting threaded rod and the metal slide rail, the to-be-tested bearing plate and the connecting threaded rod slide on the surface of the metal slide rail, and then the nut is rotated, and the nut rotates on the surface of the connecting threaded rod, so that the to-be-tested bearing plate and the metal slide rail can be locked and fixed, and objects of different specifications can be clamped and fixed.

[0019] 2. For this parallel coplanar laser measuring instrument, by setting the limiting insertion block, the metal slide rod and the to-be-tested bearing plate, the to-be-tested bearing plate slides on the surface of the metal slide rod, so that the position of the to-be-tested bearing plate can be adjusted. The number of metal slide rods is multiple, and the multiple metal slide rods can keep the to-be-tested bearing plate stable, which can prevent the object from detaching from the to-be-tested bearing plate and make the clamping of the object more stable.

[0020] 3. For this parallel coplanar laser measuring instrument, by setting the limiting insertion block, the bearing base, the metal outer shell and the measuring outer shell, the bearing base and the limiting insertion block slide along the inner wall surface of the metal outer shell and the measuring outer shell, so that the positions of the limiting insertion block and the bearing base can be adjusted, which is convenient for disassembling and replacing the bearing base and the limiting insertion block.

[0021] 4. The parallel coplanar laser measuring instrument is provided with a metal shell, an L-shaped metal plate and a bearing shell. The bearing shell slides along the inner wall surfaces of the metal shell, the measuring shell and the L-shaped metal plate, so that the bearing shell can be clamped and fixed, the laser generator body inside the bearing shell can be protected, and the damage of the laser generator body can be avoided.

[0022] 5. The parallel coplanar laser measuring instrument is provided with a plug-in threaded rod, a second metal block and a metal shell. The plug-in threaded rod can adjust the position of the second metal block, can adjust the position of the L-shaped metal plate, and can clamp and fix bearing shells of different specifications.

[0023] 6. The parallel coplanar laser measuring instrument is provided with a limit block, a sliding frame, a first metal block and a first limit frame. The sliding frame and the limit block can determine the position of the first limit frame, so that the position of the laser generator body can be adjusted, the laser generator body can be prevented from detaching from the bearing shell, and the safety of the laser generator body can be protected.

[0024] 7. The parallel coplanar laser measuring instrument is provided with a sliding frame, a first limit frame and a laser generator body. The sliding frame drives the position of the laser generator body through the first metal block and the first limit frame, and the laser generator body moves left and right on the inner wall surface of the bearing shell, so that the position of the laser generator body can be adjusted, convenient for laser measurement of objects of different specifications, and multiple data ranging operations can be carried out at the same time.

[0025] 8. The parallel coplanar laser measuring instrument is provided with a connecting block, a threaded rod, a first metal block and a connecting block. The connecting block can push the threaded rod forward, so that the threaded rod is inserted into the inside of the first metal block, and the first limit frame can be clamped and fixed, so that the position of the connecting block can be determined, and the first limit frame can be prevented from detaching from the laser generator body. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 is a three-dimensional schematic diagram of the overall structure of the present invention; Figure 2 is a three-dimensional schematic diagram of the working chassis, LED screen, measuring shell and connecting socket of the structure of the present invention; Figure 3 is the structure of the present invention Figure 2 partial enlarged schematic diagram of the structure at A in; Figure 4 is a three-dimensional schematic diagram of the laser generator and the connecting frame of the structure of the present invention; Figure 5 is a three-dimensional schematic diagram of the first limit frame, the first metal block and the connecting frame of the structure of the present invention; Figure 6 is the structure of the present invention Figure 5 partial enlarged schematic diagram of the structure at B in; Figure 7 This is a three-dimensional schematic diagram of the structural limit block of the present invention; Figure 8 This is a three-dimensional schematic diagram of the second structural limit frame of the present invention; Figure 9 This is a second three-dimensional schematic diagram of the structural plug-in metal plate and metal block of the present invention; Figure 10 This is a three-dimensional schematic diagram of the structural bearing plate of the present invention; Figure 11 This is the structure of the present invention Figure 10 A partial enlarged schematic diagram of the structure at position C in the present invention; Figure 12 This is a three-dimensional schematic diagram of the structural bearing assembly and bearing base of the present invention; Figure 13 This is the structure of the present invention Figure 12 A partial enlarged schematic diagram of the structure at position D in the present invention; Figure 14 This is a three-dimensional schematic diagram of the structural to-be-tested bearing plate and connecting threaded rod of the present invention; Figure 15 This is a three-dimensional schematic diagram of the structural limit plug, metal sliding rod and metal sliding rail of the present invention.

[0027] In the figure: 1. Laser measuring device; 11. Measuring housing; 12. Connecting socket; 13. Bearing housing; 14. Laser generator; 141. First limit frame; 142. Laser generator body; 143. Connecting wire; 144. First metal block; 15. Connecting frame; 151. Connecting block; 152. Threaded rod; 153. Metal cylinder; 154. Sliding frame; 155. Limit block; 156. Connecting sleeve; 157. Connecting rod; 16. Second limit frame; 161. Metal housing; 162. Metal plate; 163. Bearing plate; 1631. Plug-in metal plate; 1632. Second metal block; 1633. L-shaped metal plate; 1634. Locking threaded rod; 164. Plug-in threaded rod; 17. Bearing assembly; 171. Limit plug; 172. Metal sliding rod; 173. Metal sliding rail; 174. To-be-tested bearing plate; 175. Connecting threaded rod; 18. Bearing base; 2. Working chassis; 3. LED screen. Detailed implementation manners

[0028] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0029] Please refer to Figures 1-15, the present invention provides the following technical solutions: A parallel coplanar laser measuring instrument, comprising a laser measuring device 1 and a working chassis 2. An LED screen 3 is installed on the top of the working chassis 2, and the laser measuring device 1 is installed on the front of the working chassis 2.

[0030] The laser measuring device 1 includes a measuring housing 11, a connection socket 12, a bearing housing 13, a laser generator 14, a connection frame 15, a second limiting frame 16, a bearing assembly 17 and a bearing base 18. The connection socket 12 is fixedly connected to the top of the measuring housing 11. The second limiting frame 16 is installed on both sides of the measuring housing 11. The bearing housing 13 is installed on the top of the second limiting frame 16. The laser generator 14 is installed on the inner wall surface of the bearing housing 13. The connection frame 15 is connected to the surface of the laser generator 14. The bearing assembly 17 is installed on the top of the bearing base 18, and the bearing base 18 is installed on the bottom of the measuring housing 11.

[0031] The laser generator 14 includes a first limiting frame 141, a laser generator body 142, a connecting wire 143 and a first metal block 144. The connecting wire 143 is fixedly connected to the back of the laser generator body 142. The laser generator body 142 is installed on the inner wall surface of the first limiting frame 141. The first metal block 144 is fixedly connected to the outer surface of the first limiting frame 141.

[0032] The bearing assembly 17 includes a limiting plug 171, a metal sliding rod 172, a metal sliding rail 173, a to-be-measured bearing plate 174 and a connecting threaded rod 175. The connecting threaded rod 175 is fixedly connected to the front part of the to-be-measured bearing plate 174. The connecting threaded rod 175 is movably connected to the inner wall surface of the metal sliding rail 173. The metal sliding rail 173 is slidably connected to the front part of the to-be-measured bearing plate 174. The to-be-measured bearing plate 174 is slidably connected to the surface of the metal sliding rod 172. The limiting plug 171 is inserted into the top of the bearing base 18. The to-be-measured bearing plate 174 slides on the surface of the metal sliding rail 173, so as to be able to adjust the position of the to-be-measured bearing plate 174. At the same time, the to-be-measured bearing plate 174 slides on the surface of the metal sliding rod 172, so as to be able to determine the position of the to-be-measured bearing plate 174. The to-be-measured bearing plate 174 is slidably connected to the surface of the metal sliding rod 172. The limiting plug 171 is fixedly connected to both side surfaces of the metal sliding rod 172. The metal sliding rail 173 is fixedly connected to the front part of the limiting plug 171.

[0033] The connection frame 15 includes a connection block 151, a threaded rod 152, a metal cylinder 153, a sliding frame 154, a limit block 155, a connection sleeve 156 and a connecting rod 157. The connection block 151 is fixedly connected to the back of the threaded rod 152. The connection block 151 is slidably connected to the outer surface of the first limit frame 141. The connection block 151 is movably connected to the back of the first metal block 144. The first metal block 144 is slidably connected to the surface of the threaded rod 152. When the connection block 151 moves forward, the connection block 151 can push the threaded rod 152 to move outward, so that the threaded rod 152 is inserted into the inner wall surface of the first metal block 144, thereby the positions of the connection block 151 and the threaded rod 152 can be determined, and thus the connection between the connection block 151 and the first limit frame 141 can be established, facilitating the determination of the position of the laser generator body 142. The threaded rod 152 is slidably connected to the inner wall surface of the metal cylinder 153. The first metal block 144 is movably connected to the back of the metal cylinder 153. The metal cylinder 153 is movably connected to the top of the measurement housing 11. When the metal cylinder 153 moves backward, the front surfaces of the metal cylinder 153 and the first metal block 144 are connected, thereby the positions of the sliding frame 154 and the metal cylinder 153 can be determined. The metal cylinder 153 is fixedly connected to the back of the sliding frame 154. The limit block 155 is slidably connected to the front of the bearing housing 13. The sliding frame 154 is slidably connected to the front of the bearing housing 13. The threaded rod 152 is slidably connected to the inner wall surface of the sliding frame 154. The limit block 155 is inserted into the bottom of the sliding frame 154, thereby the position of the sliding frame 154 can be determined. Then rotate the nut, and the nut rotates on the surface of the threaded rod 152, thereby the position of the sliding frame 154 can be determined. The limit block 155 is rotatably connected to the bottom of the sliding frame 154. The connection sleeve 156 is inserted into the front of the threaded rod 152. The connection sleeve 156 is fixedly connected to the upper and lower surfaces of the connecting rod 157.

[0034] The second limit frame 16 includes a metal housing 161, a metal plate 162, a bearing plate 163 and a plug-in threaded rod 164. The metal plate 162 is fixedly connected to the top of the metal housing 161. The metal plate 162 is mounted on the top of the plug-in threaded rod 164. The bearing plate 163 is mounted on the upper part of the metal plate 162.

[0035] The carrier plate 163 includes a plug-in metal plate 1631, a second metal block 1632, an L-shaped metal plate 1633, and a locking threaded rod 1634. The locking threaded rod 1634 is fixedly connected to the outer surface of the L-shaped metal plate 1633 facing outward. The carrier housing 13 is slidably connected to the inner wall surface of the measurement housing 11, the carrier housing 13 is slidably connected to the inner wall surface of the metal housing 161, the carrier housing 13 is slidably connected to the top of the L-shaped metal plate 1633, the L-shaped metal plate 1633 is slidably connected to the inner side surface of the metal housing 161 facing inward, the plug-in metal plate 1631 is slidably connected to the outer side surface of the metal housing 161, the locking threaded rod 1634 is slidably connected to the inner wall surface of the metal housing 161. The carrier housing 13 is inserted into the interior of the measurement housing 11, causing the carrier housing 13 to move backward along the inner wall surface of the metal housing 161. At the same time, the carrier housing 13 is supported by the L-shaped metal plate 1633. The plug-in metal plate 1631 is slidably connected to the surface of the locking threaded rod 1634. The second metal block 1632 is fixedly connected to the outer surface of the plug-in metal plate 1631 facing outward. The metal plate 162 is slidably connected to the top of the plug-in threaded rod 164. The second metal block 1632 is slidably connected to the bottom of the plug-in threaded rod 164. The metal housing 161 is inserted on both sides of the measurement housing 11. The second metal block 1632 adjusts the position of the L-shaped metal plate 1633 with the help of the metal plate 162 and the plug-in threaded rod 164, so as to be able to clamp and fix carrier housings 13 of different specifications.

[0036] During use, hold the surface of the connecting rod 157. The connecting rod 157 can drive the threaded rod 152 to move left and right through the connecting sleeve 156. The threaded rod 152 drives the laser generator body 142 to move left and right inside the carrier housing 13 through the first metal block 144 and the first limiting frame 141, so as to be able to adjust the position of the laser generator 14.

[0037] Push the carrier plate 174 to be measured to move left and right. The carrier plate 174 to be measured slides on the surface of the metal slide bar 172. The carrier plate 174 to be measured can drive the connecting threaded rod 175 to slide on the inner wall surface of the metal slide rail 173, so as to be able to adjust the position of the carrier plate 174 to be measured. Then rotate the nut. The nut rotates on the surface of the connecting threaded rod 175, and can lock and fix the carrier plate 174 to be measured and the metal slide rail 173.

[0038] Push the object to be measured to move backward. The object slides along the top of the carrier plate 174 to be measured. The carrier plate 174 to be measured can clamp and fix the object. Then operate on the surface of the LED screen 3. The LED screen 3 can perform measurement operations on the object through the laser generator body 142. The measured data is displayed on the LED screen 3.

[0039] When the laser generator body 142 needs to be repaired, pull the carrying housing 13 forward, and the carrying housing 13 slides along the surfaces of the measuring housing 11, the metal housing 161, and the L-shaped metal plate 1633.

[0040] The carrying housing 13 can drive the laser generator body 142 forward, and the laser generator body 142 drives the connecting wire 143 forward, so that the connecting wire 143 is detached from the connection socket 12, and at the same time, the carrying housing 13 is detached from the measuring housing 11.

[0041] Hold the middle position of the connecting rod 157 and pull the connecting rod 157 forward, so that the connecting rod 157 drives the connecting sleeve 156 to move forward, so that the connecting sleeve 156 is detached from the threaded rod 152.

[0042] Rotate the limit block 155, and the limit block 155 is detached from the sliding frame 154, so that the connection between the sliding frame 154 and the carrying housing 13 becomes loose. Pull the sliding frame 154 upward, and the sliding frame 154 moves upward through the threaded rod 152 and the first metal block 144. The first metal block 144 can drive the first limit frame 141 upward, so that the first limit frame 141 is detached from the laser generator body 142.

[0043] Pull the laser generator body 142 upward, and the laser generator body 142 is detached from the carrying housing 13, which is convenient for disassembling and replacing the laser generator body 142.

[0044] After replacing the laser generator body 142, the first limit frame 141 of the same specification can be used according to the specification of the laser generator body 142.

[0045] Pull the sliding frame 154 forward, and the sliding frame 154 can drive the metal cylinder 153 forward. The sliding frame 154 and the metal cylinder 153 are detached from the threaded rod 152, and the sliding frame 154 and the metal cylinder 153 can be replaced.

[0046] When pulling the connecting block 151 backward, the connecting block 151 drives the threaded rod 152 backward, and the threaded rod 152 can be detached from the first metal block 144. Then, the connecting block 151, the threaded rod 152, the metal cylinder 153, the sliding frame 154, and the first limit frame 141 of the new specification are inserted and fixed, so that the first limit frame 141 of the new specification can be clamped and fixed.

[0047] Rotate the nut, and the nut rotates on the surface of the inserted threaded rod 164, so that the connection between the inserted threaded rod 164 and the metal plate 162 becomes loose. At this time, the inserted threaded rod 164, the inserted metal plate 1631, and the second metal block 1632 move downward. The second metal block 1632 can drive the locking threaded rod 1634 to move downward, so that the locking threaded rod 1634 can drive the inserted metal plate 1631 to move downward, thereby being able to adjust the position of the inserted metal plate 1631. Different specifications of the bearing housing 13 can be clamped and fixed, and thus the position of the L-shaped metal plate 1633 can be adjusted according to the specification of the laser generator body 142.

[0048] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to the embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A parallel coplanar laser measuring instrument, comprising a laser measuring device (1) and a working chassis (2), characterized in that: An LED screen (3) is installed on the top of the working chassis (2), and the laser measurer (1) is installed on the front of the working chassis (2). The laser measurer (1) includes a measuring housing (11), a connection socket (12), a bearing housing (13), a laser generator (14), a connection frame (15), a second limiting frame (16), a bearing assembly (17) and a bearing base (18). The connection socket (12) is fixedly connected to the top of the measuring housing (11). The second limiting frame (16) is installed on both sides of the measuring housing (11). The bearing housing (13) is installed on the top of the second limiting frame (16). The laser generator (14) is installed on the inner wall surface of the bearing housing (13). The connection frame (15) is connected to the surface of the laser generator (14). The bearing assembly (17) is installed on the top of the bearing base (18), and the bearing base (18) is installed on the bottom of the measuring housing (11). The laser generator (14) includes a first limiting frame (141), a laser generator body (142), a connecting wire (143) and a first metal block (144). The connecting wire (143) is fixedly connected to the back of the laser generator body (142). The laser generator body (142) is installed on the inner wall surface of the first limiting frame (141). The first metal block (144) is fixedly connected to the outer side surface of the first limiting frame (141). The bearing assembly (17) includes a limiting plug (171), a metal sliding rod (172), a metal sliding rail (173), a to-be-measured bearing plate (174) and a connecting threaded rod (175). The connecting threaded rod (175) is fixedly connected to the front of the to-be-measured bearing plate (174). The to-be-measured bearing plate (174) is slidably connected to the surface of the metal sliding rod (172). The limiting plug (171) is fixedly connected to both side surfaces of the metal sliding rod (172). The metal sliding rail (173) is fixedly connected to the front of the limiting plug (171).

2. The parallel coplanar laser measuring instrument according to claim 1, wherein: The connection frame (15) includes a connection block (151), a threaded rod (152), a metal cylinder (153), a sliding frame (154), a limiting block (155), a connection sleeve (156) and a connecting rod (157). The connection block (151) is fixedly connected to the back of the threaded rod (152). The threaded rod (152) is slidably connected to the inner wall surface of the metal cylinder (153). The metal cylinder (153) is fixedly connected to the back of the sliding frame (154). The limiting block (155) is rotatably connected to the bottom of the sliding frame (154). The connection sleeve (156) is inserted into the front of the threaded rod (152). The connection sleeve (156) is fixedly connected to the upper and lower side surfaces of the connecting rod (157).

3. The parallel coplanar laser measuring instrument according to claim 2, wherein: The limiting frame two (16) includes a metal shell (161), a metal plate (162), a bearing plate (163) and a plug-in threaded rod (164). The metal plate (162) is fixedly connected to the top of the metal shell (161). The metal plate (162) is installed on the top of the plug-in threaded rod (164). The bearing plate (163) is installed on the upper part of the metal plate (162).

4. The parallel coplanar laser measuring instrument according to claim 3, wherein: The bearing plate (163) includes a plug-in metal plate (1631), a metal block two (1632), an L-shaped metal plate (1633) and a locking threaded rod (1634). The locking threaded rod (1634) is fixedly connected to the outer surface of the L-shaped metal plate (1633). The plug-in metal plate (1631) is slidably connected to the surface of the locking threaded rod (1634). The metal block two (1632) is fixedly connected to the outer surface of the plug-in metal plate (1631).

5. The parallel coplanar laser measuring instrument according to claim 4, wherein: The bearing shell (13) is slidably connected to the inner wall surface of the measuring shell (11). The bearing shell (13) is slidably connected to the inner wall surface of the metal shell (161). The bearing shell (13) is slidably connected to the top of the L-shaped metal plate (1633). The L-shaped metal plate (1633) is slidably connected to the inner side surface of the metal shell (161). The plug-in metal plate (1631) is slidably connected to the outer side surface of the metal shell (161). The locking threaded rod (1634) is slidably connected to the inner wall surface of the metal shell (161).

6. The parallel coplanar laser measuring instrument according to claim 5, wherein: The metal block one (144) is movably connected to the back of the metal cylinder (153). The metal cylinder (153) is movably connected to the top of the measuring shell (11).

7. A parallel coplanar laser measuring instrument according to claim 6, characterized in that: The limiting block (155) is slidably connected to the front part of the bearing shell (13). The sliding frame (154) is slidably connected to the front part of the bearing shell (13). The threaded rod (152) is slidably connected to the inner wall surface of the sliding frame (154).

8. A parallel coplanar laser measuring instrument according to claim 7, characterized in that: The connecting threaded rod (175) is movably connected to the inner wall surface of the metal slide rail (173). The metal slide rail (173) is slidably connected to the front part of the to-be-tested bearing plate (174). The to-be-tested bearing plate (174) is slidably connected to the surface of the metal slide rod (172). The limiting plug (171) is inserted into the top of the bearing base (18).

9. A parallel coplanar laser measuring instrument according to claim 8, wherein: The metal plate (162) is slidably connected to the top of the plug-in threaded rod (164). The metal block two (1632) is slidably connected to the bottom of the plug-in threaded rod (164). The metal shell (161) is inserted into both sides of the measuring shell (11).

10. A parallel coplanar laser measuring instrument according to claim 9, characterized in that: The connecting block (151) is slidably connected to the outer side surface of the limiting frame one (141). The connecting block (151) is movably connected to the back of the metal block one (144). The metal block one (144) is slidably connected to the surface of the threaded rod (152).

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