A gantry type mounting frame for three-coordinate measuring device

Abstract

The present invention relates to the technical field of measuring devices, and specifically to a gantry type mounting frame for a three-coordinate measuring device, comprising a workbench, wherein two groups of first slide grooves are provided at the upper end of the workbench, a gear ring is fixedly connected between the two groups of first slide grooves at the upper end of the workbench, two groups of rollers are slidably connected to the inner sides of the two groups of first slide grooves, a fixing plate is fixedly connected to the upper ends of the outer shells of the two groups of rollers, and a gantry is fixedly connected to the upper ends of the two groups of fixing plates, and a maintenance mechanism is arranged on the inner side of the gantry, which is moved up and down by a fixing sleeve, so that when the wiping plate rotates to clean the bevel gear, the friction force generated can better remove impurities stuck to the bevel gear to avoid affecting the measurement result, thereby making the detection effect of the detection head better, avoiding the probe part being covered with grease when the detection head is performing detection, and preventing these impurities from interfering with the measurement result or damaging the measuring equipment.

Description

Technical Field

[0001] The invention relates to the technical field of measuring devices, in particular to a gantry type mounting frame for a three-coordinate measuring device. Background Art

[0002] The three-dimensional coordinate measuring machine is a device used for precision measurement of product design, mold equipment, gear measurement, blade measurement machinery manufacturing, tooling and fixtures, auto parts, electronic appliances, etc. It is mainly composed of a workbench, a gantry and a probe.

[0003] When the existing three-dimensional coordinate measuring instrument measures bevel gears, the grease left on the outside of the bevel gear due to production will affect the accuracy of the three-dimensional coordinate measuring instrument probe and penetrate into the inside of the probe to cause damage. The burrs left on the outside of the bevel gear will affect the measurement accuracy of the probe and cause losses on the outside of the probe. The probe unilaterally measures the angle, which reduces the detection efficiency and the detection results are not comprehensive. For this reason, we propose a gantry mounting frame for a three-dimensional coordinate measuring device. Summary of the invention

[0004] In order to make up for the deficiencies of the prior art and solve at least one technical problem raised in the background art, the present invention proposes a gantry type mounting frame for a three-coordinate measuring device.

[0005] The technical solution adopted by the present invention to solve its technical problem is: comprising a workbench, characterized in that: two groups of first slide grooves are opened at the upper end of the workbench, a gear ring is fixedly connected between the two groups of first slide grooves at the upper end of the workbench, two groups of rollers are slidably connected to the inner sides of the two groups of first slide grooves, the upper ends of the shells of the two groups of rollers are commonly fixedly connected with a fixing plate, the upper ends of the two groups of fixing plates are commonly fixedly connected with a gantry, a maintenance mechanism is arranged on the inner side of the gantry, a first motor is installed at the upper end of the gantry, a threaded rod is fixedly connected to the output shaft of the first motor, the lower end of the threaded rod is rotatably connected to the gantry, a first mounting block is threadedly connected to the outer side of the threaded rod, a second mounting block is arranged at the front end of the first mounting block, an adsorption mechanism is arranged at the upper end of the second mounting block, a second electric telescopic rod is arranged at the lower end of the second mounting block, a detection head is arranged on the output shaft of the second electric telescopic rod, a support rod is fixedly connected to the upper end of the workbench near the middle, a bottom plate is fixedly connected to the outer side of the support rod, and a bevel gear is arranged on the upper end of the bottom plate.

[0006] Preferably, the maintenance mechanism includes a storage box fixedly connected to the gantry, a partition is fixedly connected to the inner side of the storage box, a discharge pipe is fixedly connected to the inner side of the storage box, the discharge pipe passes through the partition, one end of the discharge pipe is fixedly connected to a limiting plate, a feed hole is opened on the outer side of the discharge pipe, the other end of the discharge pipe is fixedly connected to a distribution pipe, the distribution pipe is a hose, and a wiping plate is arranged on the outer side of the distribution pipe.

[0007] Preferably, the inner side of the wiping plate is permeable, one side of the wiping plate is designed with a soft frosted surface, and the frosted side of the wiping plate is in contact with the bevel gear.

[0008] Preferably, the other side of the wiping plate is fixedly connected to the output shaft of the first electric telescopic rod, the outer side of the output shaft of the first electric telescopic rod is fixedly connected to a fixed telescopic rod, the upper end of the fixed telescopic rod is fixedly connected to the discharge pipe, and the other end of the first electric telescopic rod is fixedly connected to a fixed sleeve.

[0009] Preferably, a rotating rod is slidably connected to the inner side of the fixed sleeve, the upper end of the rotating rod is fixedly connected to the output shaft of the third motor, the third motor is installed at the upper end of the gantry, and the outer side of the rotating rod is slidably connected to the first mounting block.

[0010] Preferably, a second slide groove is provided on the inner wall of the fixed sleeve, and the second slide groove is designed with a slope height difference. A slider is slidably connected to the inner side of the second slide groove, and one end of the slider is fixedly connected to the rotating rod. A second spring is provided on the inner side of the fixed sleeve, and one end of the second spring is fixedly connected to the rotating rod, and the other end of the second spring is rotatably connected to the fixed sleeve.

[0011] Preferably, the lower end of the fixed sleeve is fixedly connected to a fixed rod, the fixed rod is slidably connected to the inner side of the gantry, the outer side of the fixed rod is fixedly connected to two groups of symmetrical clips, and the lower end of the fixed rod is provided with a first spring, one end of the first spring is fixedly connected to the fixed rod, and the other end of the first spring is fixedly connected to the gantry.

[0012] Preferably, the inner side of the storage box is rotatably connected to a first rotating shaft, the outer side of the first rotating shaft is fixedly connected to multiple groups of blades, one end of the first rotating shaft is fixedly connected to a first gear, the outer side of the first gear is rotatably connected to a chain, the inner side of the chain is rotatably connected to a second gear, one end of the second gear is fixedly connected to a second rotating shaft, the other end of the second rotating shaft is fixedly connected to a third gear, the third gear is rotatably connected to the inner side of a group of fixed plates, the outer side of the third gear is meshed with a gear ring, the other end of the third gear is fixedly connected to the output shaft of a second motor, and the second motor is mounted on one side of a group of fixed plates.

[0013] Preferably, the adsorption mechanism includes an adsorption box fixedly connected to the second mounting block, an activated carbon adsorption plate is installed on the inner side of the adsorption box, an exhaust fan is installed at the lower end of the adsorption box near one side, an exhaust pipe is fixedly connected to the lower end of the exhaust fan, an exhaust fan is installed at the lower end of the adsorption box near the other side, an exhaust fan is fixedly connected to the lower end of the exhaust fan with an exhaust pipe, the exhaust pipe and the outer sides of the exhaust pipe are fixedly connected with a three-hole sleeve, and a group of holes close to the middle of the three groups of holes of the three-hole sleeve is fixedly connected to the output shaft of the second electric telescopic rod.

[0014] Preferably, three groups of third electric telescopic rods are installed above the inner bottom plate of the support rod, and one end of the output shaft of the three groups of third electric telescopic rods is fixedly connected with a rubber pad.

[0015] Compared with the prior art, the present invention provides a gantry type mounting frame for a three-coordinate measuring device, which has the following beneficial effects:

[0016] 1. Through the cooperation between the slider and the second slide groove, the fixed sleeve can be moved up and down, so that the wiping plate can be rotated to clean the bevel gear and can also be moved up and down. The friction generated can better remove the impurities stuck on the bevel gear and avoid selecting the worn or defective parts on the gear to avoid affecting the measurement results, so as to make the detection effect of the detection head better and more accurate, and avoid the probe part being covered by grease when the detection head is detecting, so as to avoid the failure of the detection head, and prevent these impurities from interfering with the measurement results or damaging the measuring equipment.

[0017] 2. Through the cooperation between the discharge pipe and the distribution pipe, the discharge pipe can output the cleaning agent when the wiping plate is cleaned, dissolve the grease left on the outside of the bevel gear, make the cleaning effect of the wiping plate better, achieve multiple efficiencies, remove oil, grease and other impurities on the gear surface, which helps to ensure good contact between the detection head and the surface of the bevel gear during measurement and improve measurement accuracy. Through the cooperation between the first rotating shaft and the first gear, when the gantry rotates at the upper end of the workbench, the blades stir the cleaning agent inside the storage box to avoid precipitation of the cleaning agent and poor grease dissolution effect. Through the cooperation between the third gear and the gantry, the gantry can be rotated at the upper end of the workbench, so as to comprehensively clean the detection head and comprehensively measure the detection head to avoid unilateral movement of the detection head, thereby improving the detection efficiency.

[0018] 3. Through the cooperation between the second electric telescopic rod and the three-hole sleeve, the detection head can be driven to quickly locate and identify, thereby improving the measurement efficiency. The exhaust pipe and the exhaust pipe can be driven to move synchronously through the three-hole sleeve, thereby quickly drying the outside of the bevel gear and absorbing the gas generated by the volatilization of the liquid to avoid inhalation by the operator. The circulation of the airflow can ensure the stability of the temperature and humidity of the measurement environment, and avoid the influence of temperature changes on the measurement results. Through the cooperation between the support rod and the third electric telescopic rod, the bevel gear can be fixed to avoid the influence of vibration on the bevel gear, and the influence of vibration on the measurement process can be reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of a gantry type mounting frame for a three-coordinate measuring device proposed by the present invention;

[0020] Figure 2 A schematic cross-sectional view of the overall structure of a gantry type mounting frame for a three-coordinate measuring device proposed by the present invention;

[0021] Figure 3 A schematic cross-sectional view of a maintenance mechanism for a gantry-type mounting frame for a three-coordinate measuring device proposed by the present invention Figure 1 ;

[0022] Figure 4 A schematic cross-sectional view of a maintenance mechanism for a gantry-type mounting frame for a three-coordinate measuring device proposed by the present invention Figure 2 ;

[0023] Figure 5 A schematic cross-sectional view of a maintenance mechanism for a gantry-type mounting frame for a three-coordinate measuring device proposed by the present invention Figure 3 ;

[0024] Figure 6 The present invention provides a schematic diagram of the overall structure of a gantry-type mounting frame adsorption mechanism for a three-coordinate measuring device.

[0025] In the figure: 1, workbench; 2, first slide; 3, gear ring; 4, fixed plate; 5, gantry; 6, first motor; 7, threaded rod; 8, first mounting block; 9, maintenance mechanism; 91, storage box; 92, partition; 93, discharge pipe; 94, limit plate; 95, feed hole; 96, feed pipe; 97, wiping plate; 98, first electric telescopic rod; 99, fixed telescopic rod; 910, fixed sleeve; 911, second slide; 912, rotating rod; 913, slider; 914, first spring; 915, second spring; 916, fixed rod; 917, clamping strip; 918. first rotating shaft; 919. blades; 920. first gear; 921. chain; 922. second gear; 923. second rotating shaft; 924. third gear; 925. second motor; 10. third motor; 11. roller; 12. adsorption mechanism; 121. adsorption box; 122. exhaust fan; 123. exhaust pipe; 124. exhaust fan; 125. exhaust pipe; 13. second mounting block; 14. second electric telescopic rod; 15. three-hole sleeve; 16. support rod; 17. bottom plate; 18. third electric telescopic rod; 19. bevel gear; 20. detection head. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0027] See also Figure 1 - Figure 6 A gantry type mounting frame for a three-coordinate measuring device comprises a workbench 1, two groups of first slide grooves 2 are provided at the upper end of the workbench 1, a gear ring 3 is fixedly connected between the two groups of first slide grooves 2 at the upper end of the workbench 1, two groups of rollers 11 are slidably connected to the inner sides of the two groups of first slide grooves 2, a fixing plate 4 is fixedly connected to the upper ends of the shells of the two groups of rollers 11, a gantry 5 is fixedly connected to the upper ends of the two groups of fixing plates 4, a maintenance mechanism 9 is provided on the inner side of the gantry 5, a first motor 6 is installed at the upper end of the gantry 5, and a screw is fixedly connected to the output shaft of the first motor 6 The threaded rod 7, the lower end of the threaded rod 7 is rotatably connected to the gantry 5, the outer side of the threaded rod 7 is threadedly connected to the first mounting block 8, the front end of the first mounting block 8 is provided with a second mounting block 13, the upper end of the second mounting block 13 is installed with an adsorption mechanism 12, the lower end of the second mounting block 13 is installed with a second electric telescopic rod 14, the output shaft of the second electric telescopic rod 14 is installed with a detection head 20, the upper end of the workbench 1 is fixedly connected with a support rod 16 near the middle, the outer side of the support rod 16 is fixedly connected with a base plate 17, and the upper end of the base plate 17 is provided with a bevel gear 19.

[0028] In this embodiment, the maintenance mechanism 9 includes a storage box 91 fixedly connected to the gantry 5, a partition 92 is fixedly connected to the inner side of the storage box 91, a discharge pipe 93 is fixedly connected to the inner side of the storage box 91, the discharge pipe 93 passes through the partition 92, one end of the discharge pipe 93 is fixedly connected to a limiting plate 94, a feed hole 95 is provided on the outer side of the discharge pipe 93, a distribution pipe 96 is fixedly connected to the other end of the discharge pipe 93, the distribution pipe 96 is a hose, and a wiping plate 97 is provided on the outer side of the distribution pipe 96.

[0029] Specifically, the storage box 91 is used to store cleaning agents, and the partition 92 divides the space inside the storage box 91 into two parts. After the discharge pipe 93 slides to pass the feed hole 95 through the partition 92, the cleaning agent enters the discharge pipe 93 through the feed hole 95, then enters the distribution pipe 96, and finally flows out to the outside of the wiping plate 97 and the bevel gear 19, thereby assisting the cleaning effect.

[0030] In this embodiment, the inner side of the wiping plate 97 is permeable, and one side of the wiping plate 97 is designed to be soft and frosted. The frosted side of the wiping plate 97 fits with the bevel gear 19 .

[0031] Specifically, the inner side of the wiping plate 97 is permeable and can absorb part of the cleaning agent, so that during friction cleaning, oil stains and burrs can be cleaned together.

[0032] In this embodiment, the other side of the wiping plate 97 is fixedly connected to the output shaft of the first electric telescopic rod 98, and the outer side of the output shaft of the first electric telescopic rod 98 is fixedly connected to a fixed telescopic rod 99, the upper end of the fixed telescopic rod 99 is fixedly connected to the discharge pipe 93, and the other end of the first electric telescopic rod 98 is fixedly connected to a fixed sleeve 910.

[0033] Specifically, the fixed sleeve 910 drives the first electric telescopic rod 98 to move up and down, and the first electric telescopic rod 98 is connected to the discharge pipe 93 through the fixed telescopic rod 99, so as to maintain the stability of the first electric telescopic rod 98 and will not affect the discharge of the discharge pipe 93. Start the first electric telescopic rod 98 to fit the wiping plate 97 to the bevel gear 19.

[0034] In this embodiment, a rotating rod 912 is slidably connected to the inner side of the fixed sleeve 910, and the upper end of the rotating rod 912 is fixedly connected to the output shaft of the third motor 10. The third motor 10 is installed at the upper end of the gantry 5, and the outer side of the rotating rod 912 is slidably connected to the first mounting block 8.

[0035] Specifically, the rotating rod 912 is a circular rod, which is slidably connected to the first mounting block 8 to enable it to move, and when the rotating rod 912 rotates by the third motor 10, the movement of the first mounting block 8 is not affected.

[0036] In this embodiment, a second sliding groove 911 is opened on the inner wall of the fixed sleeve 910, and the second sliding groove 911 is designed with a slope height difference. A slider 913 is slidably connected to the inner side of the second sliding groove 911, and one end of the slider 913 is fixedly connected to the rotating rod 912. A second spring 915 is arranged on the inner side of the fixed sleeve 910, and one end of the second spring 915 is fixedly connected to the rotating rod 912, and the other end of the second spring 915 is rotatably connected to the fixed sleeve 910.

[0037] Specifically, when the rotating rod 912 rotates, the slider 913 is driven to rotate. The slider 913 rotates in the second slide groove 911 to move the fixed sleeve 910 to produce a drop through the height difference. When the fixed sleeve 910 is upward, the second spring 915 is pressed and reset by the tension of the second spring 915.

[0038] In this embodiment, the lower end of the fixed sleeve 910 is fixedly connected to a fixed rod 916, and the fixed rod 916 is slidably connected to the inner side of the gantry 5. The outer side of the fixed rod 916 is fixedly connected to two groups of symmetrical clamping strips 917. The lower end of the fixed rod 916 is provided with a first spring 914, one end of the first spring 914 is fixedly connected to the fixed rod 916, and the other end of the first spring 914 is fixedly connected to the gantry 5.

[0039] Specifically, the fixed sleeve 910 slides in the gantry 5 through the fixed rod 916 and the clamping strip 917 without rotating, so that the fixed sleeve 910 slides up and down and is reset by the tension of the first spring 914.

[0040] In this embodiment, the inner side of the storage box 91 is rotatably connected to the first rotating shaft 918, and the outer side of the first rotating shaft 918 is fixedly connected to multiple groups of blades 919, one end of the first rotating shaft 918 is fixedly connected to the first gear 920, the outer side of the first gear 920 is rotatably connected to the chain 921, the inner side of the chain 921 is rotatably connected to the second gear 922, one end of the second gear 922 is fixedly connected to the second rotating shaft 923, and the other end of the second rotating shaft 923 is fixedly connected to the third gear 924, the third gear 924 is rotatably connected to the inner side of a group of fixed plates 4, the outer side of the third gear 924 is meshed with the gear ring 3, and the other end of the third gear 924 is fixedly connected to the output shaft of the second motor 925, and the second motor 925 is installed on one side of a group of fixed plates 4.

[0041] Specifically, by starting the second motor 925, the third gear 924 is rotated at the upper end of the gear ring 3, thereby driving the fixed plate 4 to move. The fixed plate 4 slides in the first slide groove 2 through the roller 11 to reduce friction, and drives the gantry 5 to rotate, so that the wiping plate 97 comprehensively cleans the outside of the bevel gear 19. The third gear 924 drives the second gear 922 to rotate through the second rotating shaft 923. The second gear 922 drives the first gear 920 to rotate through the chain 921. The first gear 920 drives the first rotating shaft 918 to rotate in the storage box 91. The first rotating shaft 918 drives the blade 919 to rotate, thereby stirring the detergent to avoid deposition.

[0042] In this embodiment, the adsorption mechanism 12 includes an adsorption box 121 fixedly connected to the second mounting block 13, an activated carbon adsorption plate is installed on the inner side of the adsorption box 121, an exhaust fan 122 is installed at the lower end of the adsorption box 121 near one side, the lower end of the exhaust fan 122 is fixedly connected to an exhaust pipe 123, an exhaust fan 124 is installed at the lower end of the adsorption box 121 near the other side, the lower end of the exhaust fan 124 is fixedly connected to an exhaust pipe 125, the outer sides of the exhaust pipe 123 and the exhaust pipe 125 are fixedly connected with a three-hole sleeve 15, and a group of holes in the three groups of holes of the three-hole sleeve 15, which is close to the middle, is fixedly connected to the output shaft of the second electric telescopic rod 14.

[0043] Specifically, the second electric telescopic rod 14 is started to drive the detection head 20 to adjust a more precise position through the output shaft. The output shaft of the second electric telescopic rod 14 pulls the exhaust pipe 123 and the exhaust pipe 125 to move through the three-hole sleeve 15 to align with the detection head 20, and the exhaust fan 124 is started. Then, air is input through the exhaust fan 124 to collect the volatilized gas of the detergent, which is adsorbed by activated carbon in the adsorption box 121, and then the exhaust fan 122 is started to make the exhaust pipe 123 output airflow to dry the bevel gear 19 and remove impurities on the outside of the bevel gear 19 to avoid affecting the measurement of the detection head 20, and clean the dust on the outside of the detection head 20 to promote the measurement effect.

[0044] In this embodiment, three groups of third electric telescopic rods 18 are installed above the inner bottom plate 17 of the support rod 16 , and one end of the output shaft of the three groups of third electric telescopic rods 18 is fixedly connected with a rubber pad.

[0045] Specifically, the third electric telescopic rod 18 is started, so that the output shaft of the third electric telescopic rod 18 clamps the bevel gear 19, and the contact area is increased by the rubber pad to keep the bevel gear 19 stable.

[0046] Working principle: when in use, the middle hole of the bevel gear 19 is passed through the support rod 16 and placed on the upper end of the bottom plate 17, the third electric telescopic rod 18 is started, so that the output shaft of the third electric telescopic rod 18 supports the bevel gear 19 to keep the bevel gear 19 stable, and the first electric telescopic rod 98 is started to fit the wiping plate 97 to the bevel gear 19, and the wiping plate 97 pulls the distribution pipe 96 to move, and the distribution pipe 96 drives the discharge pipe 93 to slide on the inside of the storage box 91, so that the feed hole 95 passes through the partition 92 and enters the inner side of the storage box 91 to store the detergent, and the detergent enters the discharge pipe 93 through the feed hole 95, and then is diverted to the outside through the distribution pipe 96 and output to the outside, flowing into the wiping plate 97 and the outside of the bevel gear 19, and the oil, grease and The third motor 10 is started, and the rotating rod 912 drives the slider 913 to rotate. The slider 913 rotates in the second slide groove 911 to move the fixed sleeve 910 to produce a drop through the height difference. The fixed sleeve 910 slides in the gantry 5 through the fixed rod 916 and the card strip 917 without rotating, so that the fixed sleeve 910 slides up and down. When the fixed sleeve 910 moves upward, the second spring 915 is pressed and the first spring 914 is pulled apart through the fixed rod 916. When the fixed sleeve 910 moves downward, the tension of the second spring 915 and the first spring 914 assists the fixed sleeve 910 to reset. The fixed sleeve 910 is provided with The first electric telescopic rod 98 is driven to move up and down, and the first electric telescopic rod 98 is connected to the discharge pipe 93 through the fixed telescopic rod 99, so as to keep the first electric telescopic rod 98 stable and will not affect the discharge of the discharge pipe 93. The first electric telescopic rod 98 drives the wiping plate 97 to slide up and down to clean the outer side of the bevel gear 19 when rotating, so as to avoid missing burrs and damaging the detection head 20, so as to make the measurement effect more accurate. By starting the second motor 925, the third gear 924 is rotated at the upper end of the gear ring 3, thereby driving the fixed plate 4 to move. The fixed plate 4 slides in the first slide groove 2 through the roller 11 to reduce the friction force, and drives the gantry 5 to rotate, so that the wiping plate 97 comprehensively cleans the outer side of the bevel gear 19. The gear 924 drives the second gear 922 to rotate through the second rotating shaft 923, and the second gear 922 drives the first gear 920 to rotate through the chain 921. The first gear 920 drives the first rotating shaft 918 to rotate in the storage box 91, and the first rotating shaft 918 drives the blade 919 to rotate to stir the detergent to avoid deposition. The first motor 6 is started to rotate the threaded rod 7, and the threaded rod 7 cooperates with the rotating rod 912 through the thread to displace the first mounting block 8. The first mounting block 8 drives the second mounting block 13 to move, and the second mounting block 13 drives the second electric telescopic rod 14 to move. The second electric telescopic rod 14 drives the detection head 20 to move, and the second electric telescopic rod 14 is started to drive the detection head 20 to adjust a more precise position through the output shaft.The output shaft of the second electric telescopic rod 14 pulls the exhaust pipe 123 and the exhaust pipe 125 to move through the three-hole sleeve 15, aligning with the detection head 20, starting the exhaust fan 124, and then inputting air through the exhaust fan 124 to collect the volatilized gas of the detergent, which is adsorbed by activated carbon in the adsorption box 121, and then starting the exhaust fan 122 to make the exhaust pipe 123 output airflow to dry the bevel gear 19 and remove impurities on the outside of the bevel gear 19 to avoid affecting the measurement of the detection head 20, and clean the dust on the outside of the detection head 20 to promote the measurement effect.

[0047] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A gantry type mounting frame for a three-coordinate measuring device, comprising a workbench (1), characterized in that: The upper end of the workbench (1) is provided with two groups of first slide grooves (2), a gear ring (3) is fixedly connected between the two groups of first slide grooves (2) at the upper end of the workbench (1), two groups of rollers (11) are slidably connected to the inner sides of the two groups of first slide grooves (2), the upper ends of the outer shells of the two groups of rollers (11) are commonly fixedly connected to a fixing plate (4), the upper ends of the two groups of fixing plates (4) are commonly fixedly connected to a gantry (5), a maintenance mechanism (9) is arranged on the inner side of the gantry (5), a first motor (6) is installed on the upper end of the gantry (5), the output shaft of the first motor (6) is fixedly connected to a threaded rod (7), the lower end of the threaded rod (7) is rotatably connected to the gantry (5), and the outer side of the threaded rod (7) is threaded. A first mounting block (8) is connected, a second mounting block (13) is arranged at the front end of the first mounting block (8), an adsorption mechanism (12) is installed at the upper end of the second mounting block (13), a second electric telescopic rod (14) is installed at the lower end of the second mounting block (13), a detection head (20) is installed on the output shaft of the second electric telescopic rod (14), a support rod (16) is fixedly connected to the upper end of the workbench (1) near the middle, a bottom plate (17) is fixedly connected to the outer side of the support rod (16), a bevel gear (19) is arranged at the upper end of the bottom plate (17), and the maintenance mechanism (9) comprises a storage box (91) fixedly connected to the gantry (5), and a partition is fixedly connected to the inner side of the storage box (91). (92), a discharge pipe (93) is fixedly connected to the inner side of the storage box (91), the discharge pipe (93) passes through the partition (92), one end of the discharge pipe (93) is fixedly connected to a limit plate (94), a feed hole (95) is provided on the outer side of the discharge pipe (93), the other end of the discharge pipe (93) is fixedly connected to a distribution pipe (96), the distribution pipe (96) is a hose, a wiping plate (97) is provided on the outer side of the distribution pipe (96), the other side of the wiping plate (97) is fixedly connected to the output shaft of a first electric telescopic rod (98), the outer side of the output shaft of the first electric telescopic rod (98) is fixedly connected to a fixed telescopic rod (99), the upper end of the fixed telescopic rod (99) is connected to the discharge pipe (93) The first electric telescopic rod (98) is fixedly connected to a fixed sleeve (910) at the other end, and a rotating rod (912) is slidably connected to the inner side of the fixed sleeve (910). A second slide groove (911) is provided on the inner wall of the fixed sleeve (910), and the second slide groove (911) is designed with an inclined height difference. A slider (913) is slidably connected to the inner side of the second slide groove (911), and one end of the slider (913) is fixedly connected to the rotating rod (912). A second spring (915) is provided on the inner side of the fixed sleeve (910), and one end of the second spring (915) is fixedly connected to the rotating rod (912), and the other end of the second spring (915) is rotatably connected to the fixed sleeve (910).

2. The gantry type mounting frame for a three-coordinate measuring device according to claim 1, characterized in that: The inner side of the wiping plate (97) is permeable, and one side of the wiping plate (97) is designed to be soft and frosted. The frosted side of the wiping plate (97) fits the bevel gear (19).

3. The gantry type mounting frame for a three-coordinate measuring device according to claim 1, characterized in that: The upper end of the rotating rod (912) is fixedly connected to the output shaft of the third motor (10), the third motor (10) is mounted on the upper end of the gantry (5), and the outer side of the rotating rod (912) is slidably connected to the first mounting block (8).

4. The gantry type mounting frame for a three-coordinate measuring device according to claim 1, characterized in that: The lower end of the fixed sleeve (910) is fixedly connected to a fixed rod (916), the fixed rod (916) is slidably connected to the inner side of the gantry (5), the outer side of the fixed rod (916) is fixedly connected to two groups of symmetrical clamping strips (917), the lower end of the fixed rod (916) is provided with a first spring (914), one end of the first spring (914) is fixedly connected to the fixed rod (916), and the other end of the first spring (914) is fixedly connected to the gantry (5).

5. The gantry type mounting frame for a three-coordinate measuring device according to claim 1, characterized in that: The inner side of the storage box (91) is rotatably connected to a first rotating shaft (918), the outer side of the first rotating shaft (918) is fixedly connected to a plurality of groups of blades (919), one end of the first rotating shaft (918) is fixedly connected to a first gear (920), the outer side of the first gear (920) is rotatably connected to a chain (921), the inner side of the chain (921) is rotatably connected to a second gear (922), one end of the second gear (922) is fixedly connected to a second rotating shaft (923), the other end of the second rotating shaft (923) is fixedly connected to a third gear (924), the third gear (924) is rotatably connected to the inner side of a group of fixed plates (4), the outer side of the third gear (924) is meshed with a gear ring (3), the other end of the third gear (924) is fixedly connected to an output shaft of a second motor (925), and the second motor (925) is mounted on one side of the group of fixed plates (4).

6. The gantry type mounting frame for a three-coordinate measuring device according to claim 1, characterized in that: The adsorption mechanism (12) comprises an adsorption box (121) fixedly connected to the second mounting block (13); an activated carbon adsorption plate is installed on the inner side of the adsorption box (121); an exhaust fan (122) is installed at a position close to one side of the lower end of the adsorption box (121); an exhaust pipe (123) is fixedly connected to the lower end of the exhaust fan (122); an exhaust fan (124) is installed at a position close to the other side of the lower end of the adsorption box (121); an exhaust pipe (125) is fixedly connected to the lower end of the exhaust fan (124); the exhaust pipe (123) and the exhaust pipe (125) are both fixedly connected to the outer sides of the exhaust pipe (123) and the exhaust pipe (125); a three-hole sleeve (15) is fixedly connected; and one group of holes close to the middle of the three groups of holes of the three-hole sleeve (15) is fixedly connected to the output shaft of the second electric telescopic rod (14).

7. The gantry type mounting frame for a three-coordinate measuring device according to claim 1, characterized in that: Three groups of third electric telescopic rods (18) are installed above the inner bottom plate (17) of the support rod (16), and one end of the output shaft of the three groups of third electric telescopic rods (18) is fixedly connected to a rubber pad.

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