CN218329872U - Automatic measuring system for cylinder wheel system hole - Google Patents

Abstract

The utility model discloses a cylinder block wheel system hole automatic measuring system relates to the engine and measures technical field, including base and fixed mounting feeding roll table and ejection of compact roll table on the base, still include: a first measurement assembly comprising a cylinder bore pneumatic probe mounted on a base; the second measuring assembly comprises a crankshaft hole pneumatic measuring head and a camshaft hole pneumatic measuring head which are arranged on one side of the base; the rotary positioning assembly comprises a rotary motor fixedly mounted on the base, the output end of the rotary motor is fixedly connected with a rotary frame, a lifting cylinder is vertically and slidably mounted on the rotary frame, and the output end of the lifting cylinder is fixedly connected with a power roller way. The utility model discloses can detect jar hole, crankshaft hole and camshaft hole on the engine cylinder block simultaneously to save a plurality of holes measuring time respectively, thereby improve measurement of efficiency.

Description

Automatic measuring system for cylinder wheel system hole

Technical Field

The utility model relates to an engine measurement technical field, concretely relates to cylinder body wheel system hole automatic measuring system.

Background

An engine is a machine capable of converting other forms of energy into mechanical energy, including, for example, internal combustion engines (reciprocating piston engines), external combustion engines (stirling engines, steam engines, etc.), jet engines, electric motors, etc.; for example, internal combustion engines typically convert chemical energy into mechanical energy; after the cylinder hole, the crankshaft hole and the camshaft hole of the engine cylinder block are subjected to finish machining, the hole diameter is often required to be measured;

for example, the device comprises a roller way and a measuring mechanism arranged on the roller way, wherein the measuring mechanism comprises a rack arranged on the roller way; the measuring mechanism further comprises a first measuring assembly connected to the rack and used for detecting the aperture of the cylinder hole of the cylinder body, the first measuring assembly comprises a detecting end, and a lifting mechanism used for driving the detecting end to stretch into or be far away from the cylinder hole of the cylinder body is arranged on the rack. The utility model discloses an engine cylinder body measuring device can measure the size in the jar hole of the cylinder body of unidimensional not, and first measuring component can measure automatically under elevating system's drive, has improved measurement of efficiency.

The existing measurement methods are numerous, workers measure holes in a cylinder block by using a dial indicator or other measurement tools, and the measurement devices are used for measuring the holes as shown in the patent, but whether manual measurement is carried out by using the dial indicator or automatic measurement is carried out by using the measurement devices in the patent, in the measurement process, if a plurality of holes in different directions in the cylinder block are detected, the measurement is troublesome, the manual measurement can be carried out by only one hole, the measurement can be carried out by only one hole in the upper portion of the engine cylinder block, and the measurement of a crankshaft hole in the side face of the engine cylinder block and a camshaft hole is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cylinder body train hole automatic measuring system to solve the above-mentioned weak point among the prior art.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a cylinder body gear train hole automatic measuring system, includes base and fixed mounting feeding roll table and ejection of compact roll table on the base, still includes: a first measurement assembly comprising a cylinder bore pneumatic probe mounted on a base; the second measuring assembly comprises a crankshaft hole pneumatic measuring head and a camshaft hole pneumatic measuring head which are arranged on one side of the base; the rotary positioning assembly comprises a rotary motor fixedly mounted on a base, the output end of the rotary motor is fixedly connected with a rotary frame, a lifting cylinder is vertically and slidably mounted on the rotary frame, the output end of the lifting cylinder is fixedly connected with a power roller way, and a positioning column, a cylindrical pin and a trimming pin which slidably penetrate through the power roller way are fixedly mounted on the rotary frame.

Preferably, a flat plate is fixedly connected to the base, and an output end of the rotating motor penetrates through the flat plate.

Preferably, a stop block is fixedly installed on one side of the power roller way, and the top end of the stop block extends into the middle position of the power rail.

Preferably, the first measuring assembly further comprises a support frame fixedly mounted on the base, the support frame is connected with a sliding frame in a sliding mode through a first driving mechanism, and the cylinder hole pneumatic measuring head is mounted on the sliding frame through a second driving mechanism.

Preferably, the second measuring assembly further comprises a bottom frame fixedly mounted on the base, a plurality of moving frames are slidably mounted on the bottom frame, the crankshaft hole pneumatic measuring head and the camshaft hole pneumatic side head are mounted on each moving frame in a one-to-one correspondence mode, and a telescopic cylinder is fixedly connected between each moving frame and the base.

Preferably, first floating assemblies are installed between each connecting frame and each cylinder hole pneumatic measuring head in a one-to-one correspondence mode, and second floating assemblies are installed between each moving frame and each crankshaft hole pneumatic measuring head and each camshaft pneumatic measuring head in a one-to-one correspondence mode.

Preferably, a first calibration assembly is fixedly connected to the support frame, and a second calibration assembly is fixedly connected to the base.

Preferably, be provided with on the ejection of compact roll table and beat the mark structure, beat the fixed frame of mark structure including the overcoat in ejection of compact roll table one side, there is marking machine along the major axis horizontal sliding mounting of fixed frame on the fixed frame, one side fixedly connected with side bearer of marking machine, horizontal sliding mounting has the expansion plate on the side bearer.

Preferably, the top end of the fixing frame is fixedly connected with a top rod, and the bottom end of the expansion plate is fixedly connected with a resisting block.

As preferred, fixedly connected with arm-tie on the fixed frame, the first spring of fixedly connected with between arm-tie and the marking machine, go back fixedly connected with limiting plate on the fixed frame, fixedly connected with flange on the side bearer, fixedly connected with second spring between flange and the expansion plate.

In the technical scheme, the utility model provides a cylinder body train hole automatic measuring system possesses following beneficial effect: after the engine cylinder block reaches the rotary positioning assembly and stops moving, the cylinder hole, the crankshaft hole and the camshaft hole in the engine cylinder block can be detected simultaneously through the first measuring assembly and the second measuring assembly, so that the time for measuring a plurality of holes respectively is saved, and the measuring efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 and fig. 2 are schematic perspective views provided by an embodiment of the present invention;

fig. 3 is a schematic partial structural view of a rotational positioning assembly according to an embodiment of the present invention;

fig. 4 is a schematic partial structural diagram of a second measuring assembly provided in an embodiment of the present invention;

fig. 5 is a schematic partial structural diagram of a first measuring assembly according to an embodiment of the present invention;

fig. 6 is a schematic view of a part of a marking structure provided in an embodiment of the present invention;

fig. 7 is a schematic view of a partial structure of a fixing frame according to an embodiment of the present invention;

fig. 8 is a schematic view of a partial structure of a frame according to an embodiment of the present invention;

fig. 9 is a schematic partial structural view of a reset plate according to an embodiment of the present invention;

fig. 10 is a schematic partial structural view of a dislocation plate according to an embodiment of the present invention.

Description of the reference numerals:

1. a feeding roller bed; 2. a display controller; 3. an annular cover; 4. a rotational positioning assembly; 41. a flat plate; 42. a positioning column; 43. a cylindrical pin; 44. trimming pins; 45. a power roller way; 46. a stopper; 47. a rotating electric machine; 48. a rotating frame; 5. a first measurement assembly; 51. a support frame; 52. a sliding frame; 53. a second driving cylinder; 54. a connecting frame; 55. a first driving cylinder; 56. a cylinder hole pneumatic measuring head; 57. a first gas-to-electric converter; 58. a first floating assembly; 59. a first calibration assembly; 6. a second measurement assembly; 61. a crankshaft hole pneumatic measuring head; 62. a camshaft hole pneumatic measuring head; 63. a chassis; 64. a second calibration assembly; 65. a second floating assembly; 66. a movable frame; 67. a telescopic cylinder; 68. connecting the cylinder; 69. a bellows; 7. a base; 8. marking a structure; 81. a fixing frame; 811. pulling a plate; 812. a limiting plate; 82. marking machine; 83. a first spring; 84. a side frame; 841. a convex plate; 85. a retractable plate; 851. a resisting block; 86. a top rod; 87. a reset plate; 871. a third spring; 88. a dislocation plate; 9. a discharging roller bed; 10. a frame; 11. a slider; 12. a floating spring.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the attached drawings.

Referring to fig. 1-8, an automatic measuring system for cylinder wheel train holes, as a further proposed technical solution of the present invention, includes a base 7, and a feeding roller table 1 and a discharging roller table 9 fixedly installed on the base 7, and further includes: a first measuring assembly 5, the first measuring assembly 5 comprising a cylinder bore pneumatic probe 56 mounted on a base 7; a second measuring unit 6, the second measuring unit 6 including a crankshaft hole pneumatic probe 61 and a camshaft hole pneumatic probe 62 installed at one side of the base 7; the rotary positioning assembly 4 comprises a rotary motor 47 fixedly mounted on the base 7, the output end of the rotary motor 47 is fixedly connected with a rotary frame 48, a lifting cylinder is vertically and slidably mounted on the rotary frame 48, the output end of the lifting cylinder is fixedly connected with a power roller way 45, a positioning column 42, a cylindrical pin 43 and a trimming pin 44 which slidably penetrate through the power roller way 45 are fixedly mounted on the rotary frame 48, a flat plate 41 is fixedly connected on the base 7, and the output end of the rotary motor 47 penetrates through the flat plate 41; after the engine cylinder body moves to the power roller way 45, until the engine cylinder body moves to the assigned position, at this moment, the power roller way 45 can be lifted through the lifting air cylinder, at this moment, the engine cylinder body can be lifted along with the power roller way 45, and meanwhile, the bottom end of the engine cylinder body is provided with the positioning holes matched with the positioning columns 42, the cylindrical pins 43 and the trimming pins 44, so that in the process of descending the engine cylinder body, because the positioning columns 42, the cylindrical pins 43 and the trimming pins 44 slowly extend out of the surface of the power roller way 45 and are inserted into the positioning holes in a one-to-one correspondence manner, the engine cylinder body can be positioned, and the influence of dislocation of the engine cylinder body on subsequent measurement is avoided.

In another embodiment provided by the utility model, a stop 46 is fixedly arranged on one side of the power roller way 45, and the top end of the stop 46 extends into the middle position of the power track; wherein the flat plate 41 is fixedly connected with an annular cover 3, the inner wall of the annular cover 3 is fixedly connected with an identification code scanning gun, when the engine cylinder body descends along with the power roller way 45, the identification code at the bottom end of the engine cylinder body enters the annular cover 3 and is identified by the identification code scanning gun in the annular cover 3, the type of the engine cylinder body is identified, meanwhile, after the engine cylinder body enters the power roller way 45 from the feeding roller way 1, the engine cylinder body moves along with the movement of the engine cylinder body until one end of the engine cylinder body abuts against a stop block 46, because the stop block 46 is provided with a pressure sensor, the pressure sensor on the stop block 46 abuts against the stop block 46 at the moment, the pressure sensor on the stop block 46 sends a feedback signal to the display controller 2 arranged on one side of the base 7, wherein the power roller way 45 comprises a roller way frame and rollers rotatably arranged on the roller way frame, a plurality of rollers are all fixedly provided with chain wheels, and the plurality of chain wheels are connected through chains, one of the rollers is driven by a power motor to rotate, when the display controller 2 receives a signal of a pressure sensor, the stop signal is sent to the power motor, at the moment, the power motor stops running, so that an engine cylinder block is stopped on the power roller table 45, then the rotating motor 47 drives the rotating frame 48 to rotate, so that the engine cylinder block rotates ninety degrees along with the rotation, at the moment, a crankshaft hole and a camshaft hole in the side wall of the engine cylinder block are aligned with the second measuring assembly 6, meanwhile, a cylinder hole in the top end of the engine cylinder block is aligned with the first measuring assembly 5, after the measurement is finished, the rotating motor 47 drives the rotating frame 48 to rotate ninety degrees, so that the engine cylinder block is close to the discharging roller table 9, and simultaneously, the power motor is started to rotate reversely, so that the engine cylinder block on the power roller table 45 enters the discharging roller table 9, then the rotating frame 48 is rotated, so that the position of the stop block 46 on the power roller way 45 is changed, and the stop block 46 is prevented from influencing the engine cylinder block on the feeding roller way 1 to enter the power roller way 45.

In another embodiment provided by the present invention, the first measuring assembly 5 further includes a supporting frame 51 fixedly mounted on the base 7, the supporting frame 51 is slidably connected to the sliding frame 52 through a first driving mechanism, and the cylinder hole pneumatic measuring head 56 is mounted on the sliding frame 52 through a second driving mechanism; the first driving mechanism comprises a first driving air cylinder 55 fixedly mounted on the supporting frame 51, the output end of the first driving air cylinder 55 is fixedly connected with the sliding frame 52, the sliding frame 52 can be driven to slide on the supporting frame 51 through the first driving air cylinder 55, the second driving mechanism comprises a second driving air cylinder 53 fixedly mounted on the sliding frame 52, the second driving air cylinder 53 and the cylinder hole pneumatic measuring head 56 are fixedly connected through a connecting frame 54, and the cylinder hole pneumatic measuring head 56 can be driven to be inserted into a cylinder hole at the top end of the engine cylinder body through the second driving air cylinder 53 so as to carry out measurement.

In another embodiment provided by the present invention, the second measuring assembly 6 further includes a bottom frame 63 fixedly mounted on the base 7, a plurality of moving frames 66 are slidably mounted on the bottom frame 63, the crankshaft hole pneumatic measuring head 61 and the camshaft hole pneumatic side heads are mounted on each moving frame 66 in a one-to-one correspondence manner, and a telescopic cylinder 67 is fixedly connected between each moving frame 66 and the base 7; can promote respectively through telescopic cylinder 67 and remove each removal frame 66, remove frame 66 this moment and will drive the pneumatic gauge head of bent axle hole 61 or the pneumatic side head in camshaft hole and remove, thereby make the pneumatic gauge head of bent axle hole 61 and the pneumatic side head in camshaft hole stretch into the engine cylinder body and detect, fixedly connected with connects cylinder 68 on the base 7, the output and the chassis 63 fixed connection of connecting cylinder 68, and be provided with bellows 69 between connecting cylinder 68 and the chassis 63, through the position of the adjustable chassis 63 of connecting cylinder 68, thereby change the pneumatic gauge head 61 of bent axle hole and the pneumatic gauge head 62 in camshaft hole of two sets of differences and use.

In another embodiment provided by the present invention, the first floating assemblies 58 are installed in one-to-one correspondence between each connecting frame 54 and each cylinder hole pneumatic measuring head 56, and the second floating assemblies 65 are respectively installed in one-to-one correspondence between each moving frame 66 and each crankshaft hole pneumatic measuring head 61 and camshaft pneumatic measuring head; the first floating assembly 58 and the second floating assembly 65 both comprise a frame 10 and a plurality of floating springs 12 fixedly installed in the frame 10, a floating block 11 is fixedly installed at one end, far away from the frame 10, of each floating spring 12, each crankshaft hole pneumatic measuring head 61, each camshaft pneumatic measuring head and each cylinder hole pneumatic measuring head 56 are installed on the corresponding floating block 11, when each crankshaft hole pneumatic measuring head 61, each camshaft pneumatic measuring head and each cylinder hole pneumatic measuring head 56 are explored into an engine cylinder body, fine errors exist due to machining of various holes of the engine cylinder body, therefore, each crankshaft hole pneumatic measuring head 61, each camshaft pneumatic measuring head cylinder hole and each cylinder hole pneumatic measuring head 56 cannot be inserted due to hard abutting caused by errors when each crankshaft hole pneumatic measuring head 61, each camshaft pneumatic measuring head and each cylinder hole pneumatic measuring head 56 are detected into the engine cylinder body, each first air-to-electricity converter 57 is fixedly connected to each connecting frame 54, each second air-to-electricity converter is fixedly connected to each moving frame 66, and the first air-electricity converters 57, the second air-to convert the pneumatic air-to pneumatic-electricity converters 61, the pneumatic air-to the pneumatic-to-electricity converters to output electrical signals of the pneumatic measuring heads 62, namely, which are used for displaying the output data of the measuring data.

In another embodiment provided by the present invention, the supporting frame 51 is fixedly connected with the first calibrating component 59, and the base 7 is fixedly connected with the second calibrating component 64; two first calibration holes are formed in the first calibration assembly 59, before working every day or after a period of detection, the two cylinder hole pneumatic measuring heads 56 are stretched into the two first calibration holes, so that the two cylinder hole pneumatic measuring heads 56 are calibrated, whether large offset occurs between the two cylinder hole measuring heads is checked, meanwhile, the two second calibration assemblies 64 correspond to two sets of side hole measuring assemblies respectively, each set of side hole measuring assembly comprises a crankshaft hole pneumatic measuring head 61 and a camshaft hole pneumatic measuring head 62, two second calibration holes are formed in the two second calibration assemblies 64 respectively, the two second calibration assemblies 64 correspond to engine cylinder blocks of two types respectively, and the two sets of side hole measuring assemblies are calibrated through the two second calibration assemblies 64 respectively.

In another embodiment provided by the utility model, the discharging roller way 9 is provided with a marking structure 8, the marking structure 8 comprises a fixed frame 81 sleeved on one side of the discharging roller way 9, a marking machine 82 is horizontally and slidably installed on the fixed frame 81 along the long axis of the fixed frame 81, one side of the marking machine 82 is fixedly connected with a side frame 84, and an expansion plate 85 is horizontally and slidably installed on the side frame 84; the fixing frame 81 is provided with a screw hole, the fixing frame 81 is installed on the discharging roller way 9 by screws after being sleeved on one side of the discharging roller way 9, meanwhile, the side frame 84 is installed on one side, far away from the first measuring component 5, of the marking machine 82, when an engine cylinder block enters the discharging roller way 9 and slides out of the discharging roller way 9, until one side of the engine cylinder block abuts against the expansion plate 85 of the side frame 84, at the moment, the expansion plate 85 is driven by the engine cylinder block to move simultaneously, the side frame 84 and the marking machine 82 are driven to move while the expansion plate 85 moves, at the moment, the marking machine 82 can move synchronously along with the engine cylinder block so as to facilitate marking, the engine cylinder block does not need to be stopped when the marking machine 82 marks the engine cylinder block, and the discharging efficiency is improved.

In another embodiment provided by the present invention, the top end of the fixing frame 81 is fixedly connected with a top rod 86, and the bottom end of the expansion plate 85 is fixedly connected with a resisting block 851; the ejector rod 86 is provided with a bevel edge, when the expansion plate 85 slides along with the engine cylinder body, the supporting block 851 at the bottom end of the expansion plate 85 always supports against the bevel edge of the ejector rod 86 until the generator cylinder body moves to a specified position, the marking machine 82 finishes marking the engine cylinder body, meanwhile, as the supporting block 851 slides along the bevel edge of the ejector rod 86, the expansion plate 85 is driven by the supporting block 851 to move towards the direction far away from the engine cylinder body, and after the expansion plate 85 reaches the specified position, the expansion plate 85 is separated from the engine cylinder body, so that the marking machine 82 stops moving.

In another embodiment provided by the present invention, a pulling plate 811 is fixedly connected to the fixing frame 81, a first spring 83 is fixedly connected between the pulling plate 811 and the marking machine 82, a limiting plate 812 is also fixedly connected to the fixing frame 81, a protruding plate 841 is fixedly connected to the side frame 84, and a second spring is fixedly connected between the protruding plate 841 and the expansion plate 85; when the marking machine 82 moves along with the engine cylinder, the first spring 83 is stretched, after the marking machine 82 and the engine cylinder are separated, the first spring 83 recovers the elastic force, so that the marking machine 82 is pulled to move, the marking machine 82 is reset by matching with the limiting plate 812, and meanwhile, the second spring also pushes the telescopic plate 85 to extend out of the surface of the side frame 84, so that the telescopic plate 85 is abutted to the next engine cylinder.

The utility model provides a further embodiment, the top end fixedly connected with of fixed frame 81 resets board 87, reset board 87 is last to rotate and to install dislocation board 88, fixedly connected with third spring 871 between dislocation board 88 and the board 87 that resets, when piece 851 moves along the hypotenuse of ejector pin 86, until piece 851 butt dislocation board 88, at this moment along with the continuation removal dislocation board 88 of piece 851 will rotate and open, and along with piece 851 removes the back from dislocation board 88 surface completely, third spring 871 resets pulling dislocation board 88, thereby make dislocation board 88 keep away from the one end of returning board 87 and support on the hypotenuse of ejector pin 86, at this moment when expansion plate 85 removes the back from the cylinder body surface, piece 851 will move to the one side that the ejector pin 86 was kept away from to reset board 87 from the one side of ejector pin 86 from dislocation board 88, thereby make expansion plate 85 can not stretch out too long from the surface of side bearer 84, with this make expansion plate 85 reduce the contact with the cylinder body surface when reseing.

Certain exemplary embodiments of the present invention have been described above by way of illustration only, and it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims (10)

1. The utility model provides a cylinder body train hole automatic measuring system, includes base (7) and fixed mounting feeding roll table (1) and ejection of compact roll table (9) on base (7), its characterized in that still includes:

a first measurement assembly (5), the first measurement assembly (5) comprising a cylinder bore pneumatic probe (56) mounted on a base (7);

the second measuring assembly (6), the second measuring assembly (6) comprises a crankshaft hole pneumatic measuring head (61) and a camshaft hole pneumatic measuring head (62) which are arranged on one side of the base (7);

rotatory locating component (4), it includes rotating electrical machines (47) of fixed mounting on base (7), the output fixedly connected with swivel mount (48) of rotating electrical machines (47), vertical slidable mounting has the lift cylinder on swivel mount (48), the output fixed connection of lift cylinder has power roll table (45), fixed mounting has reference column (42), cylindric lock (43) and edging round pin (44) that slide and run through power roll table (45) on swivel mount (48).

2. An automatic cylinder wheel train hole measuring system according to claim 1, wherein a flat plate (41) is fixedly connected to the base (7), and an output end of the rotating motor (47) penetrates through the flat plate (41).

3. The automatic cylinder wheel train hole measuring system according to claim 2, wherein a stopper (46) is fixedly installed on one side of the power roller way (45), and the top end of the stopper (46) extends into the middle position of the power rail.

4. An automatic cylinder wheel train hole measuring system according to claim 3, characterized in that the first measuring assembly (5) further comprises a support frame (51) fixedly mounted on the base (7), the support frame (51) is slidably connected with a sliding frame (52) through a first driving mechanism, and the cylinder hole pneumatic measuring head (56) is mounted on the sliding frame (52) through a second driving mechanism.

5. The automatic cylinder wheel train hole measuring system according to claim 4, wherein the second measuring assembly (6) further comprises a base frame (63) fixedly mounted on the base (7), a plurality of moving frames (66) are slidably mounted on the base frame (63), the crankshaft hole pneumatic measuring heads (61) and the camshaft hole pneumatic side heads are mounted on the moving frames (66) in a one-to-one correspondence manner, and telescopic cylinders (67) are fixedly connected between the moving frames (66) and the base (7).

6. An automatic cylinder train hole measuring system according to claim 5, characterized in that a first floating assembly (58) is installed between each connecting frame (54) and each cylinder hole pneumatic measuring head (56) in a one-to-one correspondence mode, and a second floating assembly (65) is installed between each moving frame (66) and each crankshaft hole pneumatic measuring head (61) and camshaft pneumatic measuring head in a one-to-one correspondence mode.

7. An automatic cylinder train hole measuring system according to claim 6, wherein a first calibrating assembly (59) is fixedly connected to the supporting frame (51), and a second calibrating assembly (64) is fixedly connected to the base (7).

8. The automatic cylinder wheel train hole measuring system according to claim 7, wherein a marking structure (8) is arranged on the discharging roller way (9), the marking structure (8) comprises a fixing frame (81) sleeved on one side of the discharging roller way (9), a marking machine (82) is horizontally and slidably mounted on the fixing frame (81) along a long shaft of the fixing frame (81), a side frame (84) is fixedly connected to one side of the marking machine (82), and a telescopic plate (85) is horizontally and slidably mounted on the side frame (84).

9. The automatic cylinder wheel train hole measuring system according to claim 8, wherein a top rod (86) is fixedly connected to the top end of the fixing frame (81), and a butt block (851) is fixedly connected to the bottom end of the expansion plate (85).

10. The cylinder wheel train hole automatic measuring system of claim 9, wherein the fixing frame (81) is fixedly connected with a pull plate (811), a first spring (83) is fixedly connected between the pull plate (811) and the marking machine (82), the fixing frame (81) is further fixedly connected with a limiting plate (812), the side frame (84) is fixedly connected with a convex plate (841), and a second spring is fixedly connected between the convex plate (841) and the telescopic plate (85).

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