CN114777621A

CN114777621A - A roundness detection device for gas drainage pipe production

Info

Publication number: CN114777621A
Application number: CN202210397622.7A
Authority: CN
Inventors: 张彬; 李勇; 张永珍; 李琳; 花文康; 潘玥; 李立
Original assignee: Anhui Shengfang Mechanical Manufacturing Co ltd
Current assignee: Anhui Shengfang Mechanical Manufacturing Co ltd
Priority date: 2022-04-15
Filing date: 2022-04-15
Publication date: 2022-07-22
Anticipated expiration: 2042-04-15
Also published as: CN114777621B

Abstract

The invention discloses a roundness detection device for gas exhaust pipe production, which relates to the technical field of pipe roundness detection and comprises a base, wherein the upper surface of the base is provided with two clamping components, one side of the base is provided with an adjusting component, the upper surface of the adjusting component is provided with a measuring component, the measuring component comprises an air cylinder, one end of the air cylinder is provided with a rack, the upper surface of the rack is provided with a gear, and the bottom end of the rack is provided with a second limiting block; the roundness detection device enables the circular pipe to be more stable through the clamping assembly during measurement, prevents shaking during measurement, ensures the accuracy of measured values, and prevents gas explosion caused by errors in roundness data of the gas exhaust pipe.

Description

Roundness detection device for gas drainage pipe production

Technical Field

The invention relates to the technical field of pipe roundness detection, in particular to a roundness detection device for gas drainage pipe production.

Background

According to recent statistical data, coal mine accidents caused by gas explosion account for about 47% of total number of coal mine accidents in various coal mine accidents, in order to guarantee safe production, all levels of units and departments in coal mines pay great attention to related research on gas, at present, the most common measure in coal mine production is to draw out gas through a special pipeline so as to ensure safe operation of mine operation, roundness detection of a gas drainage pipe is required in production, the produced gas drainage pipe is qualified, and gas explosion is prevented.

The existing roundness detection device cannot be adjusted, can only detect the round pipe of the same type, the round pipes of different types need different devices to detect, even the inner pipe and the outer pipe need different devices, the mechanical investment is wasted, the existing roundness detection device is not stable enough in measurement, the production shakes, the measured value is inaccurate, the gas explosion can be caused in serious conditions, and therefore the roundness detection device for the gas exhaust pipe production is needed to be designed urgently to solve the problems.

Disclosure of Invention

In order to solve the defects in the background art, the invention aims to provide a roundness detection device for gas exhaust pipe production, which can be adjusted, can detect circular pipes of different types, and can also detect the roundness of inner pipes and outer pipes of the same type of circular pipes, thereby saving mechanical investment;

meanwhile, when the gas exhaust pipe roundness measuring device is used, the circular pipe is more stable through the clamping assembly during measurement, shaking during measurement is prevented, the measured value is accurate, and gas explosion caused by errors in roundness data of the gas exhaust pipe is prevented.

The purpose of the invention can be realized by the following technical scheme:

a roundness detection device for gas drainage pipe production comprises a base, wherein the upper surface of the base is provided with two clamping assemblies, one side of the base is provided with an adjusting assembly, and the upper surface of the adjusting assembly is provided with a measuring assembly;

the measuring component comprises an air cylinder, one end of the air cylinder is provided with a rack, the upper surface of the rack is provided with a gear, the bottom end of the rack is provided with a second limiting block, one side of the gear is fixedly provided with a testing ring, the outer surface of the testing ring is sleeved with a fixing ring, the inner cavity of the testing ring is provided with an adjusting ring, the inner cavity of the adjusting ring is sleeved with a first adjusting rod, the outer surface of the adjusting ring is provided with a sliding rail, and the inner cavity of the sliding rail is slidably connected with a measuring rod assembly.

Further, rack and gear engagement, the adjustable ring rotates with the test ring and connects, the slide rail has two, and two slide rails equal to the distance at center, the bottom sliding connection of measuring rod subassembly and test ring.

Further, the measuring stick subassembly includes the loop bar, the one end fixed mounting of loop bar has the fixed strip, the one end fixed mounting that the loop bar was kept away from to the fixed strip has the fixture block, the second is adjusted the pole in the inner chamber cup jointed of loop bar, the surface of second regulation pole is seted up flutedly, the recess has a plurality ofly, the last fixed surface of recess installs the measuring block, the inner chamber sliding connection of measuring block has the slide bar.

Furthermore, the inner cavity of the loop bar is provided with a limiting groove, the outer surface of the second adjusting bar is provided with a convex block, the convex block is clamped with the limiting groove, the outer surface of the measuring block is provided with scale marks, and the clamping block is clamped with the groove.

Furthermore, the clamping component comprises a first fixing block, an adjusting groove is formed in the bottom end of the first fixing block, a supporting block is connected to an inner cavity of the first fixing block in a sliding mode, telescopic rods are arranged on two sides of the bottom end of the supporting block, extruding pieces are arranged on two sides of each telescopic rod, a first limiting block is arranged in the middle of the top end of the first fixing block, first connecting rods are arranged on two sides of each first limiting block, clamping blocks are connected to the outer surfaces of the first connecting rods in a rotating mode, rotating wheels are arranged at two ends of each clamping block, and rotating wheels are arranged at the top end of each supporting block.

Furthermore, the middle of the supporting block inclines and is attached to the rotating wheel at the bottom end of the clamping block, a spring is arranged in the inner cavity of the telescopic rod, the extrusion piece is clamped with the inner cavity of the adjusting groove, and the first limiting block is sleeved with the supporting block.

Further, the adjusting part includes the connecting block, the last fixed surface of connecting block installs the cover piece, flexible piece has been cup jointed to the inner chamber of cover piece, one side fixed mounting of flexible piece has the second connecting rod, the lower surface of second connecting rod one end is provided with the second fixed block, the outer fixed surface of second connecting rod installs the regulating block.

Further, flexible piece and nest block sliding connection, regulating block and second fixed block sliding connection, second stopper and second connecting rod fixed connection, solid fixed ring and regulating block fixed connection.

The invention has the beneficial effects that:

1. the roundness detection device can be adjusted, can detect circular tubes of different types, and can also detect the roundness of the inner tube and the outer tube of the same circular tube, so that the mechanical investment is saved;

2. the roundness detection device enables the circular pipe to be more stable through the clamping assembly during measurement, prevents shaking during measurement, ensures the accuracy of measured values, and prevents gas explosion caused by errors in roundness data of the gas drainage pipe.

Drawings

The invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the measuring assembly of the present invention;

FIG. 3 is a schematic view of a clamping assembly of the present invention;

FIG. 4 is a schematic view of the adjustment assembly of the present invention;

FIG. 5 is a schematic view of an adjustment lever according to the present invention;

FIG. 6 is a schematic view of a test ring according to the present invention;

FIG. 7 is a schematic view of the slide rail structure of the present invention;

fig. 8 is a schematic view of the construction of the measuring rod assembly of the present invention.

In the figure: 1. a base; 2. a clamping assembly; 21. a first fixed block; 22. an adjustment groove; 23. a supporting block; 24. a telescopic rod; 25. extruding the sheet; 26. a first stopper; 27. a first connecting rod; 28. a clamping block; 29. a rotating wheel; 3. an adjustment assembly; 31. connecting blocks; 32. sleeving blocks; 33. a telescopic block; 34. a second connecting rod; 35. a second fixed block; 36. a regulating block; 4. a measurement assembly; 41. a cylinder; 42. a rack; 43. a gear; 44. a second limiting block; 45. a test ring; 46. a fixing ring; 47. an adjusting ring; 48. a first adjusting lever; 49. a slide rail; 410. a measuring rod assembly; 4101. a loop bar; 4102. a fixing strip; 4103. a clamping block; 4104. a second adjusting lever; 4105. a groove; 4106. a measuring block; 4107. a slide bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship merely to facilitate description of the invention and to simplify the description, and are not intended to indicate or imply that the referenced components or elements must be in a particular orientation, constructed and operative in a particular orientation, and are not to be construed as limiting the invention.

The utility model provides a roundness detection device for production of gas drainage pipe, as shown in figure 1 and figure 2, including base 1, the upper surface of base 1 is provided with clamping component 2, clamping component 2 is by two, one side of base 1 is provided with adjusting part 3, adjusting part 3's upper surface is provided with measuring component 4, place gas drainage pipe at the intermediate position of two clamping component 2 and carry out the centre gripping, highly guarantee measuring component 4's the centre of a circle and gas drainage pipe's the centre of a circle on an axis through adjustment adjusting part 3, make measuring component 4 rotate the accuracy of data when measuring.

As shown in fig. 4, 5, 6 and 7, the measuring assembly 4 includes an air cylinder 41, a rack 42 is disposed at one end of the air cylinder 41, a gear 43 is disposed on an upper surface of the rack 42, a second stopper 44 is disposed at a bottom end of the rack 42, a testing ring 45 is fixedly mounted at one side of the gear 43, a fixing ring 46 is sleeved on an outer surface of the testing ring 45, an inner cavity of the testing ring 45 is provided with an adjusting ring 47, a first adjusting rod 48 is sleeved on an inner cavity of the adjusting ring 47, a sliding rail 49 is disposed on an outer surface of the adjusting ring 47, an inner cavity of the sliding rail 49 is slidably connected with a measuring rod assembly 410, the rack 42 is engaged with the gear 43, the adjusting ring 47 is rotatably connected with the testing ring 45, the two sliding rails 49 are provided, distances from the two sliding rails 49 to a center are equal, so that the two measuring rod assemblies 410 are always symmetrical when adjusted in the sliding rail 49, the measuring rod assemblies 410 are slidably connected with the bottom end of the testing ring 45, the rack 42 is driven by the air cylinder 41 to extend and retract in the inner cavity of the second stopper 44, the gear 43 is rotated, the rotation of the gear 43 drives the test ring 45 to rotate, the test ring 45 rotates to drive the measuring rod assembly 410 to rotate, the measuring rod assembly 410 generates an arc in the rotating process of the measuring rod assembly 410, the roundness of the gas drainage pipe is judged according to whether the measuring rod assembly 410 moves, the first adjusting rod 48 is rotated to drive the adjusting ring 47 to rotate so that the measuring rod assembly 410 moves in the sliding rail 49, and the measuring rod assembly 410 does not depart from a cavity at the bottom end of the test ring 45 in the moving process, so that the distance between the measuring rod assemblies 410 can be changed, the diameter of the arc in the rotating process is changed, and the gas drainage pipes with different diameters can be measured.

As shown in fig. 6 and 7, the measuring rod assembly 410 includes a sleeve 4101, a fixing strip 4102 is fixedly installed at one end of the sleeve 4101, a locking block 4103 is fixedly installed at one end of the fixing strip 4102 far away from the sleeve 4101, an inner cavity of the sleeve 4101 is sleeved with a second adjusting rod 4104, a plurality of grooves 4105 are formed on the outer surface of the second adjusting rod 4104, a measuring block 4106 is fixedly installed on the upper surface of the groove 4105, a sliding rod 4107 is slidably connected to the inner cavity of the measuring block 4106, a limiting groove is formed in the inner cavity of the sleeve 4101, a projection is formed on the outer surface of the second adjusting rod 4104 and is engaged with the limiting groove, so that the second adjusting rod 4104 cannot rotate when the sleeve 4101 is extended or retracted, a scale mark is formed on the outer surface of the measuring block 4106, the locking block 4103 is engaged with the groove 4105, the added length of the sleeve 4101 and the second adjusting rod 4104 can be changed by engaging different grooves 4105 and the locking block 4103, thereby facilitating the measurement of the roundness of the inner diameter of the gas exhaust pipe, the sliding rod 4107 is adjusted to a certain position, whether the circular arc generated by the rotation of the sliding rod 4107 in the gas drainage pipe is coincident with the inner diameter or the outer diameter of the gas drainage pipe or not is judged, if the circular arc is not enough, the sliding rod 4107 moves in the measuring block 4106, the difference between the circular arc of the gas drainage pipe and the standard rotation can be calculated according to the scale on the measuring block 4106, the sliding rod 4107 is a circle drawn by taking the adjusting ring 47 as the circle center, the measuring rod assembly 410 can slide in the sliding rail 49 to change the distance to the circle center for measuring circles with different sizes, and the length of the measuring rod assembly 410 is changed so as to measure the inner diameter of the gas drainage pipe.

As shown in fig. 3, the clamping assembly 2 includes a first fixing block 21, an adjusting groove 22 is formed at the bottom end of the first fixing block 21, a supporting block 23 is slidably connected to an inner cavity of the first fixing block 21, telescopic rods 24 are arranged at two sides of the bottom end of the supporting block 23, extruding pieces 25 are arranged at two sides of the telescopic rods 24, a first limiting block 26 is arranged at the middle position of the top end of the first fixing block 21, first connecting rods 27 are arranged at two sides of the first limiting block 26, a clamping block 28 is rotatably connected to the outer surface of the first connecting rods 27, rotating wheels 29 are arranged at two ends of the clamping block 28, a rotating wheel 29 is arranged at the top end of the supporting block 23, the middle of the supporting block 23 is inclined and attached to the rotating wheel 29 at the bottom end of the clamping block 28, a spring is arranged in the inner cavity of the telescopic rod 24, the extruding pieces 25 are engaged with the inner cavity of the adjusting groove 22, the first limiting block 26 is sleeved with the supporting block 23, a gas exhaust pipe is placed between the clamping blocks 28, and the gas exhaust pipe is fixed by the three rotating wheels 29, the gas drainage pipe of different diameters can be through the position of adjusting supporting shoe 23, when the gas drainage pipe diameter is big, move supporting shoe 23 down, then the increase of distance between two clamp splice 28, supporting shoe 23 reduces this moment, can place the big gas drainage pipe of diameter, the inner chamber through pressing squeeze sheet 25 messenger squeeze sheet 25 and adjustment tank 22 breaks away from the block, this moment alright adjust supporting shoe 23, the position adjustment back well, the spring of telescopic link 24 inner chamber makes squeeze sheet 25 tightly and adjustment tank 22 block, make supporting shoe 23 fixed, guarantee that the gas drainage pipe is stable.

As shown in fig. 1 and 4, the adjusting assembly 3 includes a connecting block 31, a sleeve block 32 is fixedly mounted on the upper surface of the connecting block 31, an inner cavity of the sleeve block 32 is sleeved with a telescopic block 33, a second connecting rod 34 is fixedly mounted on one side of the telescopic block 33, a second fixed block 35 is disposed on the lower surface of one end of the second connecting rod 34, an adjusting block 36 is fixedly mounted on the outer surface of the second connecting rod 34, the telescopic block 33 is slidably connected with the sleeve block 32, the adjusting block 36 is slidably connected with the second fixed block 35, a second limiting block 44 is fixedly connected with the second connecting rod 34, a fixed ring 46 is fixedly connected with the adjusting block 36, the height of the rack 42 and the fixed ring 46 is changed by adjusting the telescopic block 33 in the inner cavity of the sleeve block 32, and then the adjusting block 36 is adjusted at the upper end of the second fixed block 35, and the rack 42 and the gear 43 are ensured to be always engaged, thus ensuring that the center of the adjusting ring 47 and the center of the gas pumping pipe are always located on the same axis, it is convenient to measure the roundness of the gas withdrawal pipe when the measuring rod assembly 410 is rotated.

When in use, the gas drainage pipe is arranged between the clamping blocks 28, the gas drainage pipe is fixed through the three rotating wheels 29, the gas drainage pipes with different diameters can be adjusted through adjusting the position of the supporting block 23, when the diameter of the gas drainage pipe is large, the supporting block 23 is moved downwards, the distance between the two clamping blocks 28 is increased, and the supporting block 23 is lowered, so that the gas exhaust pipe with a large diameter can be placed, the position of the fixing ring 46 is lifted by adjusting the position of the telescopic block 33 in the sleeve block 32 and the position of the adjusting block 36 in the second fixing block 35, so that the circle center of the fixing ring 46 and the circle center of the gas drainage pipe are located on the same axis, the air cylinder 41 pulls the rack 42 to move to enable the test ring 45 to rotate, during the rotation, the measuring rod assembly 410 also rotates, and the roundness of the gas exhaust pipe is determined by determining whether the sliding rod 4107 moves on the measuring block 4106.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are within the scope of the invention as claimed.

Claims

1. The roundness detection device for gas drainage pipe production comprises a base (1), and is characterized in that two clamping assemblies (2) are arranged on the upper surface of the base (1), an adjusting assembly (3) is arranged on one side of the base (1), and a measuring assembly (4) is arranged on the upper surface of the adjusting assembly (3);

measuring subassembly (4) includes cylinder (41), the one end of cylinder (41) is provided with rack (42), the upper surface of rack (42) is provided with gear (43), the bottom of rack (42) is provided with second stopper (44), one side fixed mounting of gear (43) has test ring (45), the surface of test ring (45) has cup jointed solid fixed ring (46), the inner chamber of test ring (45) is provided with adjustable ring (47), the inner chamber of adjustable ring (47) has cup jointed first regulation pole (48), slide rail (49) have been seted up to the surface of adjustable ring (47), the inner chamber sliding connection of slide rail (49) has measuring pole subassembly (410).

2. The roundness detection apparatus for a gas-withdrawal pipe production according to claim 1, wherein the rack (42) is engaged with the gear (43), the adjusting ring (47) is rotatably connected to the testing ring (45), the slide rails (49) have two, and the distance from the two slide rails (49) to the center is equal, and the measuring rod assembly (410) is slidably connected to the bottom end of the testing ring (45).

3. The roundness detection apparatus for gas drainage pipe production according to claim 2, wherein the measuring rod assembly (410) includes a sleeve rod (4101), a fixing strip (4102) is fixedly installed at one end of the sleeve rod (4101), a clamping block (4103) is fixedly installed at one end of the fixing strip (4102) far away from the sleeve rod (4101), a second adjusting rod (4104) is sleeved on an inner cavity of the sleeve rod (4101), a groove (4105) is formed in an outer surface of the second adjusting rod (4104), a plurality of grooves (4105) are formed in the grooves (4105), a measuring block (4106) is fixedly installed on an upper surface of the groove (4105), and a sliding rod (4107) is slidably connected to an inner cavity of the measuring block (4106).

4. The roundness detection device for gas extraction pipe production according to claim 3, wherein the inner cavity of the sleeve rod (4101) is provided with a limiting groove, the outer surface of the second adjusting rod (4104) is provided with a convex block, the convex block is clamped with the limiting groove, the outer surface of the measuring block (4106) is provided with a scale mark, and the clamping block (4103) is clamped with the groove (4105).

5. The roundness detection device for gas drainage pipe production according to claim 1, it is characterized in that the clamping component (2) comprises a first fixed block (21), the bottom end of the first fixed block (21) is provided with an adjusting groove (22), the inner cavity of the first fixing block (21) is connected with a supporting block (23) in a sliding manner, telescopic rods (24) are arranged on two sides of the bottom end of the supporting block (23), the two sides of the telescopic rod (24) are provided with extrusion pieces (25), the middle position of the top end of the first fixed block (21) is provided with a first limit block (26), two sides of the first limiting block (26) are provided with first connecting rods (27), the outer surface of the first connecting rod (27) is rotationally connected with a clamping block (28), rotating wheels (29) are arranged at two ends of the clamping block (28), and the rotating wheels (29) are arranged at the top ends of the supporting blocks (23).

6. The roundness detection device for the production of gas drainage pipes according to claim 5, wherein the middle of the support block (23) is inclined and is attached to a rotating wheel (29) at the bottom end of the clamping block (28), the inner cavity of the telescopic rod (24) is provided with a spring, the extrusion piece (25) is clamped with the inner cavity of the adjusting groove (22), and the first limit block (26) is sleeved with the support block (23).

7. The roundness detection apparatus for gas drainage pipe production according to claim 1, wherein the adjusting assembly (3) comprises a connecting block (31), a sleeve block (32) is fixedly mounted on an upper surface of the connecting block (31), a telescopic block (33) is sleeved on an inner cavity of the sleeve block (32), a second connecting rod (34) is fixedly mounted on one side of the telescopic block (33), a second fixing block (35) is arranged on a lower surface of one end of the second connecting rod (34), and an adjusting block (36) is fixedly mounted on an outer surface of the second connecting rod (34).

8. The roundness detection apparatus for gas drainage pipe production according to claim 7, wherein the telescopic block (33) is slidably connected to the sleeve block (32), the adjusting block (36) is slidably connected to the second fixing block (35), the second limiting block (44) is fixedly connected to the second connecting rod (34), and the fixing ring (46) is fixedly connected to the adjusting block (36).