High-precision laser length measuring device

Abstract

The utility model relates to the technical field of length measurement, and discloses a high-precision laser length measuring device which comprises a measuring frame, a linear guide rail and a first sliding rail, the linear guide rail and the first sliding rail are fixedly installed on the measuring frame, a movable frame is slidably installed on the outer surface of the linear guide rail, and an installation column is fixedly installed at the other end, away from the linear guide rail, of the movable frame. A connecting rod is fixedly installed at the other end, away from the movable frame, of the installation column, and a reinforcing block with the section of a triangular structure is fixedly installed at the joint of the movable frame and the connecting rod. According to the high-precision laser length measuring device, the sliding block slides to a proper position on the first sliding rail and is limited through the limiting wheel. The first lead screw is rotated to drive the movable plate to move on the second sliding rail. The second lead screw is rotated to drive the base to move on the third sliding rail, the position of the top plate is adjusted, the position of the top plate can be adjusted in multiple dimensions, stable supporting and accurate positioning are provided for the measurement process, and the requirements of different measurement objects and scenes are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to length measurement technical field, concretely is a high accuracy laser length measuring device. BACKGROUND

[0002] The assembly process of mechanical products needs accurate length measurement to ensure the cooperation precision between each part, in the assembly of automobile engine, the clearance between piston and cylinder, the axial clearance of crankshaft and the like all need accurate control, laser measurement can provide high-precision clearance measurement, ensure the assembly quality of engine, improve the performance and reliability of engine, in the assembly of large mechanical equipment such as numerical control machine tool, the relative position and distance between each moving part can be accurately measured through laser length measuring device, ensure the machining precision and stability of machine tool, so a high-precision laser length measuring device is needed.

[0003] Chinese utility model patent publication number: CN 210036605 U3, discloses: a high-precision laser length measuring instrument, the high-precision laser length measuring instrument utilizes motor to drive gear, thereby drives the center square column to push the metal fixed baffle, pushes the measured object, because the concave groove in the guide rail fixes the center square column, greatly enhances the stability in the moving process, avoids the appearance of shaking in the moving process, makes the measurement error, but the high-precision laser length measuring instrument does not design the clamping structure of measured object, is easy to lead to the deviation of measured object in the process of measurement, is easy to lead to the poor stability and accuracy in the process of measurement, and inconvenient to provide stable support and accurate positioning in the process of measurement, is easy to lead to the poor stability and accuracy in the process of measurement. SUMMARY

[0004] The utility model wants to solve the technical problem to provide a high-precision laser length measuring device, it can effectively solve the clamping structure of measured object in prior art, it is easy to lead to the deviation of measured object in the process of measurement, it is easy to lead to the poor stability and accuracy in the process of measurement, and inconvenient to provide stable support and accurate positioning in the process of measurement, it is easy to lead to the poor stability and accuracy in the process of measurement.

[0005] The technical solution adopted by this utility model is as follows: a high-precision laser length measuring device, including a measuring frame and a linear guide rail and a slide rail fixedly installed on the measuring frame. A movable frame is slidably installed on the outer surface of the linear guide rail. A mounting column is fixedly installed at the other end of the movable frame away from the linear guide rail. A connecting rod is fixedly installed at the other end of the mounting column away from the movable frame. A reinforcing block with a "triangular structure" cross-section is fixedly installed at the connection between the movable frame and the connecting rod. A laser measuring device is fixedly installed at the other end of the connecting rod near the measuring frame and away from the mounting column. A sliding component is slidably connected to the outer surface of the slide rail. A limit component is fixedly installed at the other end of the sliding component away from the slide rail. A support component is slidably connected to the outer surface of the slide rail.

[0006] Preferably, the sliding assembly includes a sliding frame, a rotating column rotatably mounted on the inner surface of the sliding frame, a rotating roller rotatably mounted on the outer surface of the rotating column in contact with a slide rail, a wheel fixedly mounted at one end of the rotating column that passes through the sliding frame and extends to the outer surface of the sliding frame, a handwheel fixedly mounted at the other end of the wheel away from the rotating column, and a limiting block in contact with the slide rail is provided through the outer surface of the sliding frame.

[0007] With the above technical solution, when moving, the handwheel can be gripped and rotated. The handwheel drives the rotating wheel, rotating column, and rotating roller to rotate. The rotating roller rolls on the slide rail, thereby driving the sliding frame to slide. When movement is not required, the limiting block can be inserted into the slide rail to limit movement. The design of the rotating roller reduces sliding friction, making the sliding smoother. The handwheel is easy to operate, and it can measure items of different lengths. Furthermore, the sliding component slides above the slide rail, which also improves stability and measurement accuracy.

[0008] Preferably, two identical sliding components are provided, and the other set of sliding components is fixedly installed with the measuring frame. A maintenance plate is provided on the outer surface of the sliding frame, and a limiting bolt that penetrates to the inner side of the sliding frame is threaded onto the outer surface of the maintenance plate.

[0009] Through the above technical solution, by designing two sliding components, the set of sliding components that are fixedly installed with the measuring frame is used as a reference, and the other set of movable sliding components are used in conjunction to achieve more precise positioning and adjustment. The design of two sets of sliding components increases the flexibility and accuracy of adjustment, and can meet the needs of more complex measurement layouts.

[0010] Preferably, the limiting assembly comprises a limiting block two fixedly installed on the sliding assembly, the other side of the limiting block two away from the sliding assembly is provided with a mounting groove, and the other side of the limiting block two away from the sliding assembly is threadedly connected with a mounting bolt one penetrating through the limiting block two and extending into the sliding assembly.

[0011] Through the above technical scheme, through the design of the limiting assembly, the limiting block two can be installed on the sliding assembly through the mounting bolt one during use, and subsequent assembly can be quickly installed.

[0012] Preferably, the other end of the limiting block two away from the sliding assembly is provided with a limiting base, the other end of the limiting base away from the limiting block two is threadedly connected with a fixing bolt penetrating through the limiting base and extending into the mounting groove, and one side of the limiting base is fixedly installed with a top sleeve.

[0013] Through the above technical scheme, when the limiting block two is installed, the limiting base is installed on the limiting block two and fixed through the fixing bolt, the top sleeve can be used for limiting, the sliding range of the sliding assembly can be conveniently limited and adjusted, and the stability and accuracy in the measurement process are guaranteed.

[0014] Preferably, the supporting assembly comprises a sliding block, the outer surface of the sliding block is provided with a limiting wheel penetrating into the sliding block, the other end of the sliding block away from the sliding rail one is fixedly installed with a sliding rail two and two mounting seats one, the outer surfaces of the two mounting seats one are rotatably installed with lead screws one, the inner surface of the sliding rail two is slidably installed with a moving plate in threaded connection with the lead screws one, the other end of the moving plate away from the sliding rail two is fixedly installed with a sliding rail three and a mounting seat two, the outer surface of the mounting seat two is rotatably installed with a lead screw two, the outer surface of the lead screw two is fixedly installed with a rotating handle, and the inner surface of the sliding rail three is slidably installed with a base in threaded connection with the lead screw two.

[0015] Through the above technical scheme, the sliding block is limited by the limiting wheel after being slid to a suitable position on the sliding rail one. The moving plate is moved on the sliding rail two by rotating the lead screws one. The base is moved on the sliding rail three by rotating the lead screw two, the position of the top plate is adjusted, the position of the top plate can be adjusted in multiple dimensions, stable support and accurate positioning are provided for the measurement process, and the needs of different measurement objects and scenes are met.

[0016] Preferably, the other end of the base away from the sliding block is fixedly installed with a top plate and a mounting bolt two, the inner surface of the top plate is rotatably installed with a lead screw three, and the outer surface of the lead screw three is threadedly connected with a clamping block.

[0017] Through the technical scheme, the whole support assembly can be connected with other parts needing support through the mounting bolt two, the clamping block can be moved by rotating the lead screw three, the clamping function is realized, the mounting bolt two is convenient to connect with other parts, the clamping block can enhance the stability of support, prevent the parts from shaking in the measuring process, and improve the accuracy of overall measurement.

[0018] Compared with the prior art, the high-precision laser length measuring device has the following beneficial effects:

[0019] 1. The high-precision laser length measuring device, the sliding block is slid on the slide rail one to the appropriate position, and is limited by the limiting wheel. The moving plate is moved on the slide rail two by rotating the lead screw one. The base is moved on the slide rail three by rotating the lead screw two, the position of the top plate is adjusted, the position of the top plate can be adjusted in multiple dimensions, stable support and accurate positioning are provided for the measuring process, and the needs of different measuring objects and scenes are met.

[0020] 2. The high-precision laser length measuring device, the limiting block two can be installed on the sliding assembly through the mounting bolt one, the subsequent assembly can be quickly installed, when the limiting block two is installed, the limiting base is installed on the limiting block two, and is fixed through the fixing bolt, the sliding range of the sliding assembly can be limited and adjusted through the top sleeve, the stability and accuracy in the measuring process are ensured.

[0021] 3. The high-precision laser length measuring device, when moving, the hand wheel can be held and rotated, the hand wheel drives the rotating wheel, the rotating column and the rotating roller to rotate, the rotating roller rolls on the slide rail one, so that the sliding frame is slid, when not needing to move, the limiting block one can be inserted into the slide rail one, and the limiting effect is achieved, the design of the rotating roller reduces the sliding friction, the sliding is smoother, the hand wheel is convenient to operate, different length objects can be measured, and the stability and the measurement accuracy are improved by sliding the sliding assembly above the slide rail one. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a three-dimensional structure diagram of the utility model Figure 1 ;

[0023] Figure 2 It is a three-dimensional structure diagram of the utility model Figure 2 ;

[0024] Figure 3 It is a three-dimensional structure diagram of the utility model

[0025] Figure 4 It is a three-dimensional structure diagram of the utility model Figure 1 ;

[0026] Figure 2 The utility model discloses a connecting rod and laser measuring device installation structure schematic diagram Figure 6

[0027] Figure 7 The utility model discloses a support subassembly split structure schematic drawing

[0028] Figures 1-7 The utility model discloses a sliding subassembly and limiting component split structure schematic drawing.

[0029] Among them: 1, measuring frame, 2, linear guide, 3, moving frame, 4, mounting column, 5, reinforcing block, 6, connecting rod, 7, laser measuring device, 8, slide rail one, 9, sliding subassembly, 901, sliding frame, 902, rotating column, 903, rotating roller, 904, rotating wheel, 905, hand wheel, 906, limit block one, 907, maintenance board, 908, limit bolt, 10, limiting component, 1001, limit block two, 1002, installation groove, 1003, mounting bolt one, 1004, limit base, 1005, fixed bolt, 1006, top cover, 11, support subassembly, 1101, sliding block, 1102, limit wheel, 1103, slide rail two, 1104, mounting seat one, 1105, screw one, 1107, moving plate, 1108, slide rail three, 1109, mounting seat two, 1110, screw two, 1111, rotating handle, 1112, base, 1113, top plate, 1114, mounting bolt two, 1115, screw three, 1116, clamping block. DETAILED DESCRIPTION

[0030] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative work belong to the scope of the utility model protection.

[0031] Embodiment one: as Figures 2-7 ​The utility model provides a high accuracy laser length measuring device, including measuring frame 1 and the linear guide rail 2 and slide rail one 8 of fixed installation on measuring frame 1, the outer surface of linear guide rail 2 is slidably installed with moving frame 3, and the other end of moving frame 3 away from linear guide rail 2 is fixedly installed with mounting column 4, and the other end of mounting column 4 away from moving frame 3 is fixedly installed with connecting rod 6, and the connecting place of moving frame 3 and connecting rod 6 is fixedly installed with the reinforcing block 5 of the section being " triangle structure", and the other end of one side of connecting rod 6 close to measuring frame 1 and away from mounting column 4 is fixedly installed with laser measuring ware 7, and the outer surface of slide rail one 8 is slidably connected with sliding assembly 9, and the other end of sliding assembly 9 away from slide rail one 8 is fixedly installed with limit component 10, and the outer surface of slide rail one 8 is slidably connected with support component 11.

[0032] Specifically, the sliding assembly 9 includes a sliding frame 901, a rotating column 902 is rotatably installed on the inner surface of the sliding frame 901, a rotating roller 903 is rotatably installed on the outer surface of the rotating column 902 and contacts the slide rail 8, a rotating wheel 904 is fixedly installed on one end of the rotating column 902 extending out of the sliding frame 901, a hand wheel 905 is fixedly installed on the other end of the rotating wheel 904 away from the rotating column 902, a limiting block 906 is provided on the outer surface of the sliding frame 901 and contacts the slide rail 8, the hand wheel 905 is rotated when moving, the rotating wheel 904, the rotating column 902 and the rotating roller 903 are driven to rotate by the hand wheel 905, the rotating roller 903 rolls on the slide rail 8 to drive the sliding frame 901 to slide, the limiting block 906 is inserted into the slide rail 8 when not moving, which limits the sliding, the design of the rotating roller 903 reduces the sliding friction and makes the sliding smoother, the hand wheel 905 is convenient to operate, different length objects can be measured, the sliding assembly 9 slides above the slide rail 8, which improves the stability and the measurement accuracy.

[0033] Specifically, the sliding assembly 9 is provided with two identical sliding assemblies 9, and the other sliding assembly 9 is fixedly installed on the measuring frame 1, a maintenance plate 907 is provided on the outer surface of the sliding frame 901, a limiting pin 90 is threadedly connected to the inner side of the sliding frame 901, the other sliding assembly 9 is movable, the other sliding assembly 9 is used as a reference with the fixedly installed sliding assembly 9 on the measuring frame 1, and the other sliding assembly 9 is operated to realize more accurate positioning and adjustment, the design of the two sliding assemblies 9 increases the flexibility and accuracy of adjustment, and more complex measurement layout requirements can be met.

[0034] Specifically, the limiting assembly 10 includes a limiting block two 1001 fixedly installed on the sliding assembly 9, the other side of the limiting block two 1001 away from the sliding assembly 9 is provided with a mounting groove 1002, and the other side of the limiting block two 1001 away from the sliding assembly 9 is threadedly connected with a mounting bolt one 1003 penetrating through the limiting block two 1001 and extending into the sliding assembly 9, and the sliding assembly 9 is provided with two same sliding assemblies 9, and the other sliding assembly 9 is located on the sliding assembly 9 fixedly installed on the measuring frame 1, and the advantage is that, through the design of the limiting assembly 10, the limiting block two 1001 can be installed on the sliding assembly 9 through the mounting bolt one 1003 during use, and the subsequent assembly can be quickly installed.

[0035] Embodiment two: as shown in ​ the improvement of the previous embodiment.

[0036] Specifically, the other end of the limiting block two 1001 away from the sliding assembly 9 is provided with a limiting base 1004, the other end of the limiting base 1004 away from the limiting block two 1001 is threadedly connected with a fixing bolt 1005 penetrating through the limiting base 1004 and extending into the mounting groove 1002, and one side of the limiting base 1004 is fixedly installed with a top sleeve 1006, and the advantage is that, when the limiting block two 1001 is installed, the limiting base 1004 is installed on the limiting block two 1001 and fixed through the fixing bolt 1005, the limiting block two 1001 can be limited by the top sleeve 1006, the sliding range of the sliding assembly 9 can be conveniently limited and adjusted, and the stability and accuracy during the measuring process can be ensured.

[0037] Specifically, the support assembly 11 comprises a sliding block 1101, the outer surface of the sliding block 1101 is provided with a limiting wheel 1102 penetrating into the inside of the sliding block 1101, the other end of the sliding block 1101 away from the sliding rail one 8 is fixedly installed with a sliding rail two 1103 and two mounting seats one 1104, the outer surfaces of the two mounting seats one 1104 are rotatably installed with lead screws one 1105, the inner surface of the sliding rail two 1103 is slidably installed with a moving plate 1107 which is in threaded connection with the lead screws one 1105, the other end of the moving plate 1107 away from the sliding rail two 1103 is fixedly installed with a sliding rail three 1108 and a mounting seat two 1109, the outer surface of the mounting seat two 1109 is rotatably installed with a lead screw two 1110, the outer surface of the lead screw two 1110 is fixedly installed with a rotating handle 1111, the inner surface of the sliding rail three 1108 is slidably installed with a base 1112 which is in threaded connection with the lead screw two 1110, and the sliding block 1101 is limited by the limiting wheel 1102 after being slid on the sliding rail one 8 to an appropriate position, the rotating handle 1111 is rotated to drive the moving plate 1107 to move on the sliding rail two 1103, and then the lead screw two 1110 is rotated to drive the base 1112 to move on the sliding rail three 1108, so that the position of the top plate 1113 can be adjusted, the position of the top plate 1113 can be adjusted in multiple dimensions, stable support and accurate positioning are provided for the measurement process, and the needs of different measurement objects and scenes are met.

[0038] Specifically, the other end of the base 1112 away from the sliding block 1101 is fixedly installed with a top plate 1113 and a mounting bolt two 1114, the inner surface of the top plate 1113 is rotatably installed with a lead screw three 1115, and the outer surface of the lead screw three 1115 is in threaded connection with a clamping block 1116, the entire support assembly 11 can be connected with other parts needing support through the mounting bolt two 1114, the clamping block 1116 can be driven to move by rotating the lead screw three 1115, the mounting bolt two 1114 facilitates the connection with other parts, the clamping block 1116 can enhance the stability of support, prevent the parts from shaking during the measurement process, and improve the overall measurement accuracy.

[0039] Principle: in use, when moving, the hand wheel 905 can be held and rotated, the hand wheel 905 drives the rotating roller 904, the rotating column 902 and the rotating roller 903 to rotate, the rotating roller 903 rolls on the slide rail one 8, thereby driving the sliding frame 901 to slide, when not moving, the limiting block one 906 can be inserted into the slide rail one 8, which can play a limiting role, the design of the rotating roller 903 reduces the sliding friction, makes the sliding more smooth, the hand wheel 905 is convenient to operate, and different lengths of objects can be measured, and the sliding assembly 9 can also improve the stability and the measurement accuracy by sliding on the slide rail one 8, through the design of the two sliding assemblies 9, the sliding assembly 9 fixedly installed with the measuring frame 1 is used as a reference, and the other movable sliding assembly 9 is cooperated to operate, more accurate positioning and adjustment are realized, the design of the two sliding assemblies 9 increases the flexibility and the accuracy of adjustment, can meet more complex measurement layout requirements, through the design of the limiting assembly 10, in use, the limiting block two 1001 can be installed on the sliding assembly 9 through the mounting bolt one 1003, which is convenient for subsequent assembly of the quick installation, when the limiting block two 1001 is installed, the limiting base 1004 is installed on the limiting block two 1001, is fixed through the fixed bolt 1005, the top sleeve 1006 is used for limiting, the sliding range of the sliding assembly 9 can be conveniently limited and adjusted, the stability and the accuracy in the measurement process are guaranteed, the sliding block 1101 is slid on the slide rail one 8 to the appropriate position, and is limited through the limiting wheel 1102. The rotating lead screw one 1105 drives the moving plate 1107 to move on the slide rail two 1103. The rotating lead screw two 1110 drives the base 1112 to move on the slide rail three 1108, the position of the top plate 1113 is adjusted, the position of the top plate 1113 can be adjusted in multiple dimensions, stable support and accurate positioning are provided for the measurement process, different measurement objects and scene requirements are met, the whole support assembly 11 can be connected with other parts needing support through the mounting bolt two 1114, the rotating lead screw three 1115 can drive the clamping block 1116 to move, the clamping function is realized, the mounting bolt two 1114 is convenient to connect with other parts, the clamping block 1116 can enhance the stability of support, prevents the parts from shaking in the measurement process, and improves the overall measurement accuracy.

[0040] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A high-precision laser length measuring device, comprising a measuring frame (1) and a linear guide rail (2) and a slide rail (8) fixedly installed on the measuring frame (1), characterized in that: The linear guide rail (2) outer surface sliding installation has mobile frame (3), the other end of mobile frame (3) away from linear guide rail (2) fixed installation has installation column (4), the other end of installation column (4) away from mobile frame (3) fixed installation has connecting rod (6), the connection of mobile frame (3) and connecting rod (6) fixed installation has the reinforcing block (5) of cross section " triangle structure", the one side of connecting rod (6) close to measuring frame (1) and the other end of installation column (4) away from fixed installation has laser measuring device (7), the outer surface sliding connection of slide rail (8) has sliding assembly (9), the other end of sliding assembly (9) away from slide rail (8) fixed installation has limit assembly (10), the outer surface sliding connection of slide rail (8) has support assembly (11).

2. The high-precision laser length measuring device according to claim 1, characterized in that The sliding assembly (9) includes a sliding frame (901), the inner surface of the sliding frame (901) is rotatably connected with a rotating column (902), the outer surface of the rotating column (902) is rotatably connected with a rotating roller (903) in contact with the slide rail (8), one end of the rotating column (902) extending out of the sliding frame (901) is fixedly connected with a rotating wheel (904), the other end of the rotating wheel (904) away from the rotating column (902) is fixedly connected with a hand wheel (905), and the outer surface of the sliding frame (901) is provided with a limiting block (906) in contact with the slide rail (8).

3. The high-precision laser length measuring device according to claim 2, characterized in that The sliding assembly (9) is provided with two identical sliding assemblies (9), and the other sliding assembly (9) is fixedly connected with the measuring frame (1), the outer surface of the sliding frame (901) is provided with an inspection plate (907), and the outer surface of the inspection plate (907) is threadedly connected with a limiting bolt (908) penetrating into the sliding frame (901).

4. The high-precision laser length measuring device according to claim 3, characterized in that The limiting assembly (10) includes a limiting block (1001) fixedly connected with the sliding assembly (9), the other side of the limiting block (1001) away from the sliding assembly (9) is provided with a mounting groove (1002), and the other side of the limiting block (1001) away from the sliding assembly (9) is threadedly connected with a mounting bolt (1003) penetrating through the limiting block (1001) and extending into the sliding assembly (9), the sliding assembly (9) is provided with two identical sliding assemblies (9), and the other sliding assembly (9) is fixedly connected with the measuring frame (1).

5. The high-precision laser length measuring device according to claim 4, characterized in that The other end of the limiting block (1001) away from the sliding assembly (9) is provided with a limiting base (1004), the other end of the limiting base (1004) away from the limiting block (1001) is threadedly connected with a fixing bolt (1005) penetrating through the limiting base (1004) and extending into the mounting groove (1002), and one side of the limiting base (1004) is fixedly connected with a top sleeve (1006).

6. The high-precision laser length measuring device according to claim 1, characterized in that The support component (11) includes a sliding block (1101), the outer surface of the sliding block (1101) is provided with a limiting wheel (1102) penetrating to the inside of the sliding block (1101), the other end of the sliding block (1101) away from the slide rail one (8) is fixedly installed with a slide rail two (1103) and two mounting bases one (1104), the outer surface of the two mounting bases one (1104) is rotatably installed with a lead screw one (1105), the inner surface of the slide rail two (1103) is slidably installed with a moving plate (1107) which is in threaded connection with the lead screw one (1105), the other end of the moving plate (1107) away from the slide rail two (1103) is fixedly installed with a slide rail three (1108) and a mounting base two (1109), the outer surface of the mounting base two (1109) is rotatably installed with a lead screw two (1110), the outer surface of the lead screw two (1110) is fixedly installed with a rotating handle (1111), the inner surface of the slide rail three (1108) is slidably installed with a base (1112) which is in threaded connection with the lead screw two (1110).

7. The high-precision laser length measuring device according to claim 6, characterized in that The other end of the base (1112) away from the sliding block (1101) is fixedly installed with a top plate (1113) and a mounting bolt two (1114), the inner surface of the top plate (1113) is rotatably installed with a lead screw three (1115), the outer surface of the lead screw three (1115) is in threaded connection with a clamping block (1116).

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