A rotary drilling rig mast positioning tooling device

Abstract

The utility model discloses a kind of rotary drilling rig drill mast positioning tool devices, belong to engineering machinery technical field, to solve the problem of drill mast point positioning, including: workbench and respectively set on workbench drill mast head positioning mechanism, big disc positioning mechanism, tilt cylinder seat positioning mechanism, back wheel seat positioning mechanism, side hinge point seat fixing mechanism, end face plate fixing mechanism and compacting and shaping mechanism;The drill mast head positioning mechanism is adapted with drill mast head, and the end face plate fixing mechanism is adapted with drill mast tail;Drill mast head positioning mechanism, big disc positioning mechanism, tilt cylinder seat positioning mechanism, back wheel seat positioning mechanism, side hinge point seat fixing mechanism, compacting and shaping mechanism and end face plate fixing mechanism are linearly arranged along the both sides of drill mast;The compacting and shaping mechanism is located at the both sides of drill mast.The utility model constructs the full-element positioning system of drill mast point splicing process, can carry out the synergistic effect of multidimensional positioning, improve drill mast point splicing precision.

Description

Technical Field

[0001] This utility model relates to a positioning fixture for the mast of a rotary drilling rig, belonging to the field of engineering machinery technology. Background Technology

[0002] In the manufacturing process of rotary drilling rigs, the drill mast, as a key structural component, directly affects the overall performance and operational stability of the rig due to the accuracy of its assembly. Traditional drill mast assembly processes primarily rely on manual operation, with workers using simple measuring tools and positioning instruments for positioning and calibration. This method has several drawbacks.

[0003] On the one hand, the precision of manual operation is greatly affected by the worker's skill level and working condition, making it difficult to ensure the accurate positioning of each component of the drill mast. This results in low accuracy of the drill mast assembly, which in turn affects the verticality and drilling stability of the rotary drilling rig during operation, reducing construction quality. On the other hand, manual positioning operation is inefficient, requiring a significant amount of time and labor costs, severely restricting the improvement of production efficiency. Furthermore, with the continuous improvement of product quality and production efficiency requirements in the construction machinery industry, the traditional drill mast assembly process can no longer meet the needs of modern production.

[0004] While existing technologies offer auxiliary tooling for drilling mast positioning, the positioning error of traditional tooling increases linearly with mast length due to the mast's enormous size. Furthermore, these toolings require multiple operators, impacting construction efficiency and failing to reduce labor costs. Therefore, developing a drilling mast positioning tooling device that improves mast assembly accuracy, increases production efficiency, and reduces worker workload is of significant practical importance. Utility Model Content

[0005] Purpose of the utility model: The purpose of this utility model is to overcome the shortcomings of the existing technology and provide a positioning tooling device for the mast of a rotary drilling rig, which constructs a full-element positioning system for the mast assembly process, enabling multi-dimensional positioning synergy, effectively ensuring the accuracy of mast assembly, significantly improving production efficiency, and reducing the labor intensity of workers through automated positioning operation.

[0006] To solve the above-mentioned technical problems, this utility model is implemented using the following technical solution: A rotary drilling rig mast positioning fixture includes a worktable and a mast head positioning mechanism, a large disc positioning mechanism, a tilting cylinder seat positioning mechanism, a back wheel seat positioning mechanism, a side hinge point seat fixing mechanism, an end panel fixing mechanism, and a clamping and straightening mechanism respectively set on the worktable. The drill mast head positioning mechanism is adapted to the drill mast head, and the end panel fixing mechanism is adapted to the drill mast tail. The drill mast head positioning mechanism, large disc positioning mechanism, tilting cylinder seat positioning mechanism, back wheel seat positioning mechanism, side hinge point seat fixing mechanism, clamping and straightening mechanism and end panel fixing mechanism are linearly arranged along both sides of the drill mast, thereby enabling multi-dimensional positioning and adjustment of the entire drill mast; The clamping and straightening mechanism is one or more and located on both sides of the drill mast, used to clamp and straighten both sides of the drill mast, thereby avoiding linearly accumulated positioning errors.

[0007] Optionally, the drill mast head positioning mechanism includes a lower hinge point seat positioning assembly, a head end panel fixing assembly, and a lower hinge point seat support assembly, which are respectively mounted on the worktable. The lower hinge point seat positioning assembly includes a first positioning shaft and a second positioning shaft symmetrically mounted on the worktable, and a first telescopic cylinder and a second telescopic cylinder respectively mounted on the ends of the first positioning shaft and the second positioning shaft, for insertion and positioning with the pin hole of the lower hinge point seat of the drill mast. The head end panel fixing assembly includes a bracket mounted on the workbench and a positioning plate connected to the bracket, which is used to abut against the end panel of the drill mast head to achieve tight positioning of the head end panel. The lower hinge point support assembly includes a lower hinge point support frame mounted on the workbench, a support cylinder mounted on the lower hinge point support frame, and hinge point positioning blocks symmetrically mounted on both sides of the workbench.

[0008] Optionally, the large disc positioning mechanism includes a large disc positioning cylinder and a first X-axis slide rail assembly mounted on the workbench, a disc positioning platform mounted on the first X-axis slide rail assembly and connected to the power end of the large disc positioning cylinder, a first lifting cylinder mounted on the disc positioning platform, a disc lifting seat mounted on the power end of the first lifting cylinder, and a drag chain connected to one side of the disc lifting seat. The large disc positioning cylinder drives the disc positioning platform to move along the first X-axis slide rail group, thereby flexibly positioning it according to the position of the large disc of the drill mast. After the disc positioning platform contacts the large disc of the drill mast, the first lifting cylinder is activated. The power of the first lifting cylinder drives the disc lifting seat to adjust the height of the large disc of the drill mast, and stabilizes the drill mast through the drag chain.

[0009] Optionally, the tilting cylinder positioning mechanism includes a first X-axis cylinder and a second X-axis cylinder symmetrically mounted on the worktable, a first positioning seat and a second positioning seat respectively mounted on the power ends of the first X-axis cylinder and the second X-axis cylinder, a second X-axis slide rail group symmetrically mounted on the worktable and slidably connected to the first positioning seat and the second positioning seat respectively, a positioning mechanism and a pressing mechanism respectively mounted on the first positioning seat and the second positioning seat, and a first lifting mechanism mounted on the worktable and located between the positioning mechanism and the pressing mechanism; The first X-axis cylinder and the second X-axis cylinder drive the first positioning seat and the second positioning seat to move along the second X-axis slide rail group, respectively, so that the fixed limit blocks on the first positioning seat and the second positioning seat can be linearly adjusted relative to the drill mast. The clamping mechanism includes a clamping cylinder mounted on a first positioning seat, a telescopic shaft connected to the power end of the clamping cylinder, and a first fixed limiting block connected to the end of the telescopic shaft; The positioning mechanism includes a second fixed limiting block installed on the second positioning seat, a fixed limiting frame disposed between the second X-axis slide rails, and a third fixed limiting block connected to the fixed limiting frame; thereby, the pressing cylinder drives the first fixed limiting block to press towards the drill mast tilting cylinder seat, so that the second fixed limiting block on the other side of the drill mast tilting cylinder seat abuts to achieve positioning on both sides. At the same time, the fixed limiting frame and the third fixed limiting block limit the drill mast tilting cylinder seat to achieve multi-point and multi-directional positioning of the drill mast tilting cylinder seat, avoiding lateral tilting and left and right swinging during the lifting process, which would affect the splicing accuracy; The first lifting mechanism includes a second lifting cylinder mounted on the workbench and a first lifting seat mounted on the second lifting cylinder. The lifting seat is used to be inserted and fixed to the mast tilting cylinder seat, and drives the mast tilting cylinder seat to lift and adjust under the drive of the second lifting cylinder.

[0010] Optionally, the back wheel positioning mechanism includes a third X-axis cylinder and a fourth X-axis cylinder symmetrically mounted on the worktable, a third X-axis slide rail assembly with the power ends of the third X-axis cylinder and the fourth X-axis cylinder respectively, a reference positioning component and a positioning clamping machine respectively mounted on the power ends of the third X-axis cylinder and the fourth X-axis cylinder and slidably connected to the third X-axis slide rail assembly, a support plate mounted between the reference positioning component and the positioning clamping machine, and a second lifting mechanism disposed on one side of the support plate; The positioning and pressing machine includes a positioning mounting seat installed at the power end of the fourth X-axis cylinder, a third Y-axis cylinder connected to the positioning mounting seat, a telescopic shaft installed at the power end of the third Y-axis cylinder, and a positioning and pressing block installed at the end of the telescopic shaft. The reference positioning component includes a reference mounting seat installed on the power end of the third X-axis cylinder and a reference positioning block installed on the reference mounting seat and corresponding to the positioning clamping block; The second lifting mechanism includes a third lifting cylinder mounted on the workbench and a second lifting seat connected to the power end of the third lifting cylinder.

[0011] Optionally, the side hinge point seat fixing mechanism includes a first Y-axis slide rail assembly and a side hinge point seat cylinder mounted on the workbench, a movable table that is snapped onto the first Y-axis slide rail assembly and connected to the power end of the hinge point seat cylinder, two sets of positioning shafts and a hinge point seat positioning cylinder respectively mounted on the movable table, and a spacer sleeve fitted on the positioning shaft. The power of the hinge point seat cylinder drives the moving table and the positioning shaft on the moving table to move in the Y-axis direction, so as to realize the through-axis positioning of the positioning shaft and the side hinge point seat. The power end of the hinge seat positioning cylinder is connected to a limiting plate, and the limiting plate is connected to two sets of positioning shafts.

[0012] Optionally, the end panel fixing mechanism includes an end frame mounted on the workbench, a solenoid valve, a filter pressure reducing valve and a third telescopic cylinder mounted in the end frame, and a pressure plate mounted on the outside of the end frame and connected to the power end of the third telescopic cylinder. The solenoid valve and the filter pressure reducing valve are respectively connected to the air circuit of the third telescopic cylinder, and are used to drive the third telescopic cylinder to output power. The third telescopic cylinder drives the pressure plate to move toward the end panel of the drill mast, thereby supporting and clamping the end of the drill mast for positioning.

[0013] Optionally, the clamping and straightening mechanism includes two sets of straightening brackets mounted on the workbench, a first straightening cylinder, a second straightening cylinder and a third straightening cylinder disposed in each set of straightening brackets, an adjusting cylinder disposed at the top of each set of straightening brackets and a straightening component connected to the power end of the adjusting cylinder; The power end of the first alignment cylinder is connected to the square tube positioning component, the power end of the second alignment cylinder is connected to the side panel positioning component, and the power end of the third alignment cylinder is connected to the bottom plate positioning component, thereby achieving the positioning and alignment of the drill mast square tube, side panel, and bottom plate through the first alignment cylinder, the second alignment cylinder, and the third alignment cylinder. The alignment component is located above the square tube positioning component and is used to align the upper surface and sides of the square tube; one end of the alignment component is connected to an alignment screw, which is used to adjust the height of the alignment component.

[0014] Optionally, the workbench is also equipped with multiple sets of limiting blocks for limiting the drill mast.

[0015] Beneficial effects: Compared with the prior art, this utility model has the following advantages: The drilling mast head positioning mechanism, large disc positioning mechanism, tilting cylinder seat positioning mechanism, back wheel seat positioning mechanism, side hinge point seat fixing mechanism, end panel fixing mechanism, and clamping and straightening mechanism are used to position and fix the head end panel, head hinge point seat, large disc, tilting cylinder seat, back wheel seat, side hinge point seat, end panel, side plate, square tube, and base plate in multiple positions. This enables multi-dimensional positioning and adjustment of the entire drilling mast, improves the accuracy of drilling mast assembly, and significantly enhances production efficiency. At the same time, the all-element positioning system adapted to each unit of the drilling mast reduces the labor intensity of workers and reduces personnel costs. The drill mast is linearly positioned by the linear distribution of multiple sets of limiting blocks and multiple sets of clamping and straightening mechanisms, avoiding the accumulation of linear errors during the assembly process. Attached Figure Description

[0016] Figure 1 The image shown is a top view of the overall structure of the rotary drilling rig mast positioning fixture of this utility model. Figure 2 As shown Figure 1 IF section diagram; Figure 3 As shown Figure 1 Partial IIF diagram; Figure 4 As shown Figure 1 Partial diagram of IIIF; Figure 5 The diagram shown is a schematic diagram of the positioning mechanism for the drill mast head of this utility model. Figure 6 The diagram shown is a schematic diagram of the large disc positioning mechanism of this utility model. Figure 7 The diagram shown is a schematic diagram of the large disc positioning mechanism of this utility model. Figure 8 The diagram shown is a schematic diagram of the tilting cylinder seat positioning mechanism of this utility model. Figure 9 The diagram shown is a schematic diagram of the back wheel seat positioning mechanism of this utility model; Figure 10 The diagram shown is a schematic diagram of the side hinge point seat fixing mechanism of this utility model; Figure 11 The diagram shown is a schematic diagram of the end panel fixing mechanism of this utility model. Figure 12 The diagram shown is a schematic diagram of the pressing and straightening mechanism of this utility model; Figure 13 The diagram shown is a schematic diagram of the head end panel structure of this utility model; Figure 14 The diagram shown is a schematic of the head hinge point seat structure of this utility model; Figure 15 The diagram shown is a schematic diagram of the side plate structure of this utility model; Figure 16 The diagram shown is a schematic diagram of the end panel structure of this utility model; Figure 17 The diagram shown is a schematic diagram of the tilting cylinder seat structure of this utility model; Figure 18 The diagram shown is a schematic diagram of the back wheel seat structure of this utility model; Figure 19 The diagram shown is a schematic diagram of the large circular disk structure of this utility model; Figure 20The diagram shown is a schematic of the side hinge point seat structure of this utility model; Figure 21 The diagram shown is a schematic of the upper sealing plate structure of this utility model; Figure 22 The diagram shown is a schematic diagram of the square tube structure of this utility model.

[0017] In the diagram: Drill mast head positioning mechanism 1, lower hinge point seat positioning assembly 1-1, first positioning shaft 1-11, second positioning shaft 1-12, first telescopic cylinder 1-13, second telescopic cylinder 1-14, head end panel fixing assembly 1-2, bracket 1-21, positioning plate 1-22, lower hinge point seat support assembly 1-3, lower hinge point seat support frame 1-31, support cylinder 1-32, hinge point seat positioning block 1-33, large disc positioning mechanism 2, large disc positioning cylinder 21, first X-axis slide rail assembly 22, first lifting... 23. Lowering cylinder, 24. Cable chain, 3. Tilting cylinder seat positioning mechanism, 32. Positioning mechanism, 33. First lifting mechanism, 34. Pressing mechanism, 301. First X-axis cylinder, 302. Second X-axis cylinder, 303. Third fixed limit block, 304. First fixed limit block, 305. Fixed limit frame, 306. Second X-axis slide rail assembly, 307. First positioning seat, 308. Pressing cylinder, 309. Back wheel seat positioning mechanism, 41. Reference positioning component, 42. Positioning and pressing machine, 43. Third X-axis cylinder, 44. Support plate. 4. Second lifting mechanism; 45. Fourth X-axis cylinder; 46. Third X-axis slide rail assembly; 47. Reference mounting base; 48. Reference positioning block; 49. Positioning mounting base; 410. Third Y-axis cylinder; 411. Positioning clamping block; 412. Third lifting cylinder; 413. Second lifting seat; 414. Side hinge point seat fixing mechanism; 5. Positioning shaft; 51. Hinge point seat positioning cylinder; 52. First Y-axis slide rail assembly; 53. Spacer; 54. Side hinge point seat cylinder; 55. Moving table; 56. Limiting plate; 57. End panel fixing mechanism; 6. Pressure plate 61, solenoid valve 62, filter pressure reducing valve 63, third telescopic cylinder 64, end frame 65, pressing and straightening mechanism 7, adjusting cylinder 71, first straightening cylinder 72, second straightening cylinder 73, third straightening cylinder 74, straightening component 75, straightening bracket 76, head end panel 8, head hinge point seat 9, side plate 10, end end panel 11, tilting cylinder seat 1-2, back wheel seat 1-3, large disc 14, side hinge point seat 15, upper sealing plate 16, square tube 17, worktable 18, limit block 19. Detailed Implementation

[0018] The present invention will be further described below with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and should not be used to limit the scope of protection of the present invention. Example

[0019] This embodiment provides a positioning fixture for the mast of a rotary drilling rig, such as... Figures 1 to 4As shown, the system includes: a mast head positioning mechanism 1, a large disc positioning mechanism 2, a tilting cylinder seat positioning mechanism 3, a back wheel seat positioning mechanism 4, a side hinge point seat fixing mechanism 5, an end panel fixing mechanism 6, and a clamping and straightening mechanism 7. All of these mechanisms are mounted on the worktable 18. The mast head positioning mechanism 1 is adapted to the mast head, and the end panel fixing mechanism 6 is adapted to the mast tail. The mast head positioning mechanism 1, large disc positioning mechanism 2, tilting cylinder seat positioning mechanism 3, back wheel seat positioning mechanism 4, side hinge point seat fixing mechanism 5, end panel fixing mechanism 6, and clamping and straightening mechanism 7 are linearly arranged along both sides of the mast, thereby enabling multi-dimensional positioning and adjustment of the entire mast.

[0020] The clamping and straightening mechanism 7 is one or more and located on both sides of the drill mast. It is used to clamp and straighten both sides of the drill mast, thereby avoiding linearly accumulated positioning errors.

[0021] Optional, such as Figure 5 The drill mast head positioning mechanism 1 shown includes: a lower hinge point seat positioning assembly 1-1, a head end panel fixing assembly 1-2, and a lower hinge point seat support assembly 1-3; the lower hinge point seat positioning assembly 1-1, the head end panel fixing assembly 1-2, and the lower hinge point seat support assembly 1-3 are all mounted on the worktable 18; the lower hinge point seat positioning assembly 1-1 includes: a first positioning shaft 1-11, a second positioning shaft 1-12, a first telescopic cylinder 1-13, and a second telescopic cylinder 1-14; the head end panel fixing assembly 1-2 includes: a bracket 1-21 and a positioning plate 1-22; the lower hinge point seat support assembly 1-3 includes: a lower hinge point seat support frame 1-31, a support cylinder 1-32, and a hinge point seat positioning block 1-33.

[0022] The first positioning shaft 1-11 and the second positioning shaft 1-12 are symmetrically mounted on the worktable 18. The first telescopic cylinder 1-13 and the second telescopic cylinder 1-14 are respectively mounted on the ends of the first positioning shaft 1-11 and the second positioning shaft 1-12. Thus, the power of the first telescopic cylinder 1-13 and the second telescopic cylinder 1-14 drives the first positioning shaft 1-11 and the second positioning shaft 1-12 to move relative to each other toward the fitting point of the head hinge seat 9, which is used to position the pin hole below the head hinge seat 9.

[0023] The bracket 1-21 is installed on the workbench 18, and the positioning plate 1-22 is connected to the bracket 1-21. The positioning plate 1-22 abuts against the head end panel 8 to achieve tight positioning of the head end panel 8.

[0024] like Figure 6The lower hinge point support frame 1-31 is rotatably mounted on the worktable 18. The support cylinder 1-32 is mounted on the lower hinge point support frame 1-31. The hinge point positioning blocks 1-33 are symmetrically mounted on both sides of the worktable 18. Thus, the support cylinder 1-32 outputs power to drive the lower hinge point support frame 1-31 to rotate, so that the lower hinge point support frame 1-31 abuts against the head hinge point seat 9, thereby achieving axial positioning of the head hinge point seat 9.

[0025] Optional, such as Figure 7 The large disc positioning mechanism 2 shown includes: a large disc positioning cylinder 21, a first X-axis slide rail assembly 22, a disc positioning platform, a first lifting cylinder 23, a disc lifting seat, and a drag chain 24. The large disc positioning cylinder 21 and the first X-axis slide rail assembly 22 are both mounted on the worktable 18. The disc positioning platform is slidably mounted on the first X-axis slide rail assembly 22 and connected to the power end of the large disc positioning cylinder 21. The first lifting cylinder 23 is mounted on the disc positioning platform, and the disc lifting seat is mounted on the power end of the first lifting cylinder 23. The drag chain 24 is connected to one side of the disc lifting seat. The power of the large disc positioning cylinder 21 drives the disc positioning platform to move along the first X-axis slide rail assembly 22, thereby flexibly positioning it according to the position of the large disc 14 of the drill mast.

[0026] After the disc positioning platform contacts the large disc 14 of the drill mast, the first lifting cylinder 23 is activated. The power of the first lifting cylinder 23 drives the disc lifting seat to adjust the height of the large disc 14 of the drill mast, and lifts the drill mast through the drag chain 24 to increase the contact area and stabilize the drill mast during the lifting process.

[0027] Optional, such as Figure 8 The tilting cylinder positioning mechanism 3 shown includes: a first X-axis cylinder 301, a second X-axis cylinder 302, a first positioning seat 307, a second positioning seat 308, a second X-axis slide rail assembly 306, a positioning mechanism 32, a pressing mechanism 34, and a first lifting mechanism 33.

[0028] The first X-axis cylinder 301 and the second X-axis cylinder 302 are symmetrically mounted on the worktable 18. The first positioning seat 307 and the second positioning seat 308 are respectively mounted on the power ends of the first X-axis cylinder 301 and the second X-axis cylinder 302. The second X-axis slide rail assembly 306 is symmetrically mounted on the worktable 18 and is slidably connected to the first positioning seat 307 and the second positioning seat 308 respectively. The positioning mechanism 32 and the clamping mechanism 34 are respectively mounted on the first positioning seat 307 and the second positioning seat 308. The first lifting mechanism 33 is mounted on the worktable 18 and is located between the positioning mechanism 32 and the clamping mechanism 34. Thus, the first X-axis cylinder 301 and the second X-axis cylinder 302 drive the first positioning seat 307 and the second positioning seat 308 to move along the second X-axis slide rail assembly 306 along the X-axis, so that the fixed limit blocks 19 on the first positioning seat 307 and the second positioning seat 308 can be linearly adjusted relative to the drill mast.

[0029] The clamping mechanism 34 includes a clamping cylinder 309 mounted on the first positioning seat 307, a telescopic shaft connected to the power end of the clamping cylinder 309, and a first fixed limiting block 304 connected to the end of the telescopic shaft; thus, the clamping cylinder 309 can drive the telescopic shaft to move the first fixed limiting block 304 toward one side of the tilting cylinder seat 1-2, thereby pressing the tilting cylinder seat 1-2 between the positioning mechanism 32 and the clamping mechanism 34.

[0030] The positioning mechanism 32 includes a second fixed limiting block 19 installed on the second positioning seat 308, corresponding to the other side of the tilting cylinder seat 1-2; the positioning mechanism 32 also includes a fixed limiting frame 305 disposed between the second X-axis slide rail group 306 and a third fixed limiting block 303 connected to the fixed limiting frame 305; after the pressing cylinder 309 drives the first fixed limiting block 304 to press towards the mast tilting cylinder seat 1-2, so that the second fixed limiting block 19 on the other side of the mast tilting cylinder seat 1-2 abuts to achieve positioning on both sides, the fixed limiting frame 305 and the third fixed limiting block 303 simultaneously limit the bottom and axial sides of the mast tilting cylinder seat 1-2, thereby achieving multi-point and multi-directional positioning of the mast tilting cylinder seat 1-2, and avoiding lateral tilting and left-right swaying during the lifting process of the first lifting mechanism 33, which would affect the splicing accuracy.

[0031] The first lifting mechanism 33 includes: a second lifting cylinder installed on the workbench 18 and a first lifting seat installed on the second lifting cylinder. The lifting seat is used to be inserted and fixed to the mast tilting cylinder seat 1-2, and drives the mast tilting cylinder seat 1-2 to lift and adjust under the drive of the second lifting cylinder.

[0032] Optional, such as Figure 9The back wheel positioning mechanism 4 shown includes: a third X-axis cylinder 43, a fourth X-axis cylinder 46, a third X-axis slide rail assembly 47, a reference positioning component 41, a positioning clamping machine 42, a support plate 44, and a second lifting mechanism 45. The third X-axis cylinder 43 and the fourth X-axis cylinder 46 are symmetrically mounted on the worktable 18. The third X-axis slide rail assembly 47 is respectively provided with the power ends of the third X-axis cylinder 43 and the fourth X-axis cylinder 46. The reference positioning component 41 and the positioning clamping machine 42 are respectively mounted on the power ends of the third X-axis cylinder 43 and the fourth X-axis cylinder 46 and are slidably connected to the third X-axis slide rail assembly 47. The support plate 44 is mounted between the reference positioning component 41 and the positioning clamping machine 42. The second lifting mechanism 45 is mounted on the worktable 18 and located on one side of the support plate 44.

[0033] The positioning and clamping machine 42 includes: a positioning mounting base 410, a third Y-axis cylinder 411, a telescopic shaft, and a positioning and clamping block 412; the positioning mounting base 410 is installed at the power end of the fourth X-axis cylinder 46, the third Y-axis cylinder 411 is connected to the positioning mounting base 410, the telescopic shaft is installed at the power end of the third Y-axis cylinder 411, and the positioning and clamping block 412 is installed at the end of the telescopic shaft; the reference positioning component 41 includes: a reference mounting base 48 and a reference positioning block 49; the reference mounting base 48 is installed at the power end of the third X-axis cylinder 43, and the reference positioning block 49 is installed at the reference mounting base 410. 8 corresponds to the positioning and clamping block 412; thus, under the drive of the third X-axis cylinder 43 and the fourth X-axis cylinder 46, the reference positioning component 41 and the positioning and clamping machine 42 are respectively driven to move linearly along the X-axis. During the movement, the reference positioning component 41 and the positioning and clamping machine 42 always maintain correspondence and can position and clamp the two sides of the drill mast; the third Y-axis cylinder 411 drives the telescopic shaft to move the positioning and clamping block 412 along the Y-axis direction, thereby adjusting the distance between the reference positioning block 49 and the positioning and clamping block 412 to make it suitable for the splicing requirements of different models of drill masts.

[0034] The second lifting mechanism 45 includes: a third lifting cylinder 413 and a second lifting seat 414; the third lifting cylinder 413 is installed on the workbench 18, and the second lifting seat 414 is connected to the power end of the third lifting cylinder 413; the power of the third lifting cylinder 413 drives the second lifting seat 414 to adjust the height of the back wheel seat 1-3 as a whole.

[0035] Optional, such as Figure 10The side hinge seat fixing mechanism 5 shown includes: a first Y-axis slide rail assembly 53, a side hinge seat cylinder 55, a moving table 56, two sets of positioning shafts 51, a hinge seat positioning cylinder 52, and a spacer 54; the first Y-axis slide rail assembly 53 and the side hinge seat cylinder 55 are both mounted on the worktable 18, the moving table 56 is engaged with the first Y-axis slide rail assembly 53 and connected to the power end of the hinge seat cylinder, the two sets of positioning shafts 51 and the hinge seat positioning cylinder 52 are respectively mounted on the moving table 56, and the spacer 54. The spacer 54 is fitted onto the positioning shaft 51; the power end of the side hinge point seat cylinder 55 is connected to a screw, and the moving table 56 is connected to the screw drive, so that the side hinge point seat cylinder 55 outputs power to drive the moving table 56 to move along the first Y-axis slide rail group 53 in the Y-axis direction, thereby driving the two sets of positioning shafts 51 to approach and connect with the side hinge point seat 15 to achieve the limitation of the side hinge point seat 15. The spacer 54 fitted onto the positioning shaft 51 can change the distance between the two sets of positioning shafts 51.

[0036] The power of the side hinge point seat cylinder 55 drives the moving table 56 and the positioning shaft 51 on the moving table 56 to move in the Y-axis direction, so as to realize the through-shaft positioning of the positioning shaft 51 and the side hinge point seat 15 and realize the change of the drill mast.

[0037] The power end of the hinge seat positioning cylinder 52 is connected to the limiting plate 57, which is also connected to the positioning shaft 51. The power output of the hinge seat positioning cylinder 52 drives the limiting plate 57 to move downward, thereby the limiting plate 57 drives the positioning shaft 51 to move downward, so that it can be inserted into the connecting hole of the side hinge seat to achieve positioning of the side hinge seat.

[0038] Optional, such as Figure 11 The end panel fixing mechanism 6 shown includes: an end frame 65, a solenoid valve 62, a filter pressure reducing valve 63, a third telescopic cylinder 64, and a pressure plate 61. The end frame 65 is mounted on the workbench 18. The solenoid valve 62, the filter pressure reducing valve 63, and the third telescopic cylinder 64 are all mounted inside the end frame 65. The pressure plate 61 is mounted outside the end frame 65 and connected to the power end of the third telescopic cylinder 64. The solenoid valve 62 and the filter pressure reducing valve 63 are respectively connected to the air circuit of the third telescopic cylinder 64 to control the air flow of the third telescopic cylinder 64, so that its output power drives the pressure plate 61 to move. The power of the third telescopic cylinder 64 drives the pressure plate 61 to move toward the end panel 11 of the drill mast, thereby supporting and clamping the end of the drill mast for positioning.

[0039] Optional, such as Figure 12The clamping and straightening mechanism 7 shown includes: two sets of straightening brackets 76, a first straightening cylinder 72, a second straightening cylinder 73, a third straightening cylinder 74, an adjusting cylinder 71, and a straightening component 75; wherein, the two sets of straightening brackets 76 are symmetrically installed on the worktable 18, the first straightening cylinder 72, the second straightening cylinder 73, and the third straightening cylinder 74 are all installed in each set of straightening brackets 76, the adjusting cylinder 71 is connected to the top of each set of straightening brackets 76, the straightening component 75 is connected to the power end of the adjusting cylinder 71, and the straightening component 75 is rotatably connected to the straightening bracket 76, thereby rotating 0-90° under the action of the adjusting cylinder 71.

[0040] The power end of the first alignment cylinder 72 is connected to the positioning component of the square tube 17, the power end of the second alignment cylinder 73 is connected to the side panel positioning component, and the power end of the third alignment cylinder 74 is connected to the bottom plate positioning component. Thus, the positioning and alignment of the mast square tube 17, the side panel and the bottom plate are achieved through the first alignment cylinder 72, the second alignment cylinder 73 and the third alignment cylinder 74. The alignment component 75 is located above the positioning component of the square tube 17 and is used to tighten the upper surface of the square tube 17 and to align the side surface. One end of the alignment component 75 is connected to an alignment screw, which is used to adjust the height of the alignment component 75. At the same time, the output power of the cylinder 71 is adjusted to drive the alignment component 75 to deflect, so as to achieve multiple positions of pressing and alignment of the upper surface and side surface of the square tube during the splicing process.

[0041] Optional, such as Figure 2 The worktable 18 shown is also equipped with multiple sets of limit blocks 19 for limiting the drill mast.

[0042] Working principle: Place the base plate on the workbench 18, and then place the head end panel 8, head hinge point seat 9, large disc 14, tilting cylinder seat 1-2, back wheel seat 1-3, side hinge point seat 15, and end panel 11 (as shown). Figures 13 to 22 (As shown) are respectively placed on the drill mast head positioning mechanism 1, the large disc positioning mechanism 2, the tilting cylinder seat positioning mechanism 3, the back wheel seat positioning mechanism 4, the side hinge point seat fixing mechanism 5, and the end panel fixing mechanism 6.

[0043] When the drill mast head positioning mechanism 1 is activated, the first telescopic cylinder 1-13 and the second telescopic cylinder 1-14 are respectively installed at the ends of the first positioning shaft 1-11 and the second positioning shaft 1-12. Thus, the power of the first telescopic cylinder 1-13 and the second telescopic cylinder 1-14 drives the first positioning shaft 1-11 and the second positioning shaft 1-12 to move relative to the fitting point of the head hinge seat 9, thereby positioning the head hinge seat 9 below. The positioning plate 1-22 abuts against the head end panel 8, thereby achieving a tight positioning of the head end panel 8. The support cylinder 1-32 outputs power to drive the lower hinge seat support frame 1-31 to rotate, so that the lower hinge seat support frame 1-31 abuts against the head hinge seat 9, thereby achieving omnidirectional positioning of the head end panel 8 and the head hinge seat 9 axially downward and upward.

[0044] The large disc positioning mechanism 2 is activated. The first lifting cylinder 23 drives the disc lifting seat to adjust the height of the large disc 14 of the drill mast. The drag chain 24 lifts the drill mast, increasing the contact area and stabilizing the drill mast during the lifting process.

[0045] In the tilting cylinder positioning mechanism 3, the first X-axis cylinder 301 and the second X-axis cylinder 302 are activated, driving the first positioning seat 307 and the second positioning seat 308 to move along the second X-axis slide rail group 306 along the X-axis, enabling the fixed limit blocks 19 on the first positioning seat 307 and the second positioning seat 308 to be linearly adjusted relative to the drill mast. The clamping cylinder 309 drives the telescopic shaft to move the first fixed limit block 304 toward one side of the tilting cylinder seat 1-2, thereby pressing the tilting cylinder seat 1-2 between the positioning mechanism 32 and the clamping mechanism 34. At the same time, the fixed limit frame 305 and the third fixed limit block 303 limit the bottom and axial sides of the drill mast tilting cylinder seat 1-2, realizing multi-point and multi-directional positioning of the drill mast tilting cylinder seat 1-2, avoiding lateral tilting and left and right swinging during the lifting process of the first lifting mechanism 33, which would affect the splicing accuracy.

[0046] The back wheel positioning mechanism 4 activates the third X-axis cylinder 43 and the fourth X-axis cylinder 46, thereby driving the reference positioning component 41 and the positioning clamping machine 42 to move linearly along the X-axis. During the movement, the reference positioning component 41 and the positioning clamping machine 42 always maintain correspondence to position and clamp both sides of the drill mast. The third Y-axis cylinder 411 drives the telescopic shaft to move the positioning clamping block 412 along the Y-axis, thereby adjusting the distance between the reference positioning block 49 and the positioning clamping block 412 to suit the splicing requirements of different models of drill masts. The third lifting cylinder 413 drives the second lifting seat 414 to adjust the overall height of the back wheel seats 1-3.

[0047] The side hinge point seat fixing mechanism 5 activates the side hinge point seat cylinder 55, which outputs power to drive the moving table 56 to move along the first Y-axis slide rail group 53 in the Y-axis direction. This causes the two sets of positioning shafts 51 to approach and connect with the side hinge point seat 15, thus limiting the side hinge point seat 15. The spacer 54 is fitted onto the positioning shaft 51 to change the distance between the two sets of positioning shafts 51. The power of the hinge point seat cylinder 55 drives the moving table 56 and the positioning shaft 51 on the moving table 56 to move in the Y-axis direction, realizing the through-shaft positioning and shape change of the positioning shaft 51 and the side hinge point seat 15. The power of the hinge point seat positioning cylinder 52 drives the limiting plate 57 to adjust the height of the positioning shaft 51, thus positioning the side hinge point seat 15.

[0048] The end panel fixing mechanism 6 activates the third telescopic cylinder 64. The power of the third telescopic cylinder 64 drives the pressure plate 61 to move toward the end panel 11 of the drill mast, thereby supporting and clamping the end of the drill mast, thus limiting the head end panel 8, head hinge point seat 9, large disc 14, tilting cylinder seat 1-2, back wheel seat 1-3, side hinge point seat 15, and end panel 11 to the preset position. After meeting the splicing requirements, internal welding is performed.

[0049] After the internal components are welded together, the side plate 10, square tube 17 and top sealing plate 16 are assembled in sequence to obtain the preliminary drill mast. During the assembly process, the side plate 10, square tube 17 and bottom plate of each part are positioned by the clamping and straightening mechanism 7 to avoid the accumulation of linear errors.

[0050] The first alignment cylinder 72, the second alignment cylinder 73, and the third alignment cylinder 74 are activated to position and align the drill mast square tube 17, side panel, and base plate. Simultaneously, the alignment component 75, positioned above the square tube 17 positioning element, is used to press and align the square tube 17. One end of the alignment component 75 is connected to an alignment screw, used to adjust the height of the alignment component 75 to meet the adjustment and alignment requirements of the upper surface and sides of the square tube 17. The adjusting cylinder 71 outputs power to drive the alignment component 75 to deflect and move, achieving multi-position pressing and alignment of the upper surface and sides of the square tube during the alignment process, avoiding the accumulation of linear errors on the upper surface and sides. Example

[0051] This embodiment provides a positioning fixture for a rotary drilling rig mast, the technical concept and working principle of which are the same as in Embodiment 1; the clamping and straightening mechanism further includes: two sets of straightening brackets, a first straightening cylinder, a second straightening cylinder, a third straightening cylinder, an adjusting cylinder, and straightening components; wherein, the two sets of straightening brackets are symmetrically installed on the worktable, the first straightening cylinder, the second straightening cylinder, and the third straightening cylinder are installed in any set of straightening brackets according to the shape of the mast, the adjusting cylinder is connected to the top of each set of straightening brackets, the first straightening component is connected to the power end of the adjusting cylinder, and the second straightening component is installed in one set of straightening brackets, which can be flexibly designed according to different masts to ensure that the splicing point is not deviated.

[0052] In summary, this utility model uses a drill mast head positioning mechanism, a large disc positioning mechanism, a tilting cylinder seat positioning mechanism, a back wheel seat positioning mechanism, a side hinge point seat fixing mechanism, an end panel fixing mechanism, and a clamping and straightening mechanism to perform multi-position positioning and fixing of the head end panel, head hinge point seat, large disc, tilting cylinder seat, back wheel seat, side hinge point seat, end panel, side plate, square tube, and base plate, respectively. This improves the accuracy of drill mast assembly and significantly increases production efficiency. At the same time, the automated positioning operation reduces the labor intensity of workers. The drill mast is linearly positioned by the linear distribution of multiple sets of limiting blocks and multiple sets of clamping and straightening mechanisms, avoiding the accumulation of linear errors during the assembly process.

[0053] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0054] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

Claims

1. A positioning fixture for the mast of a rotary drilling rig, characterized in that, It includes a worktable and drill mast head positioning mechanism, large disc positioning mechanism, tilting cylinder seat positioning mechanism, back wheel seat positioning mechanism, side hinge point seat fixing mechanism, end panel fixing mechanism and clamping and straightening mechanism respectively set on the worktable; The drill mast head positioning mechanism is adapted to the drill mast head, and the end panel fixing mechanism is adapted to the drill mast tail. The drill mast head positioning mechanism, large disc positioning mechanism, tilting cylinder seat positioning mechanism, back wheel seat positioning mechanism, side hinge point seat fixing mechanism, clamping and straightening mechanism and end panel fixing mechanism are linearly arranged along both sides of the drill mast, thereby enabling multi-dimensional positioning and adjustment of the entire drill mast; The clamping and straightening mechanism is one or more and is respectively located on both sides of the drill mast, used to simultaneously clamp and straighten both sides of the drill mast, thereby avoiding linearly accumulated positioning errors.

2. The rotary drilling rig mast positioning fixture according to claim 1, characterized in that, The drill mast head positioning mechanism includes a lower hinge point seat positioning assembly, a head end panel fixing assembly, and a lower hinge point seat support assembly, which are respectively installed on the worktable. The lower hinge point seat positioning assembly includes a first positioning shaft and a second positioning shaft symmetrically mounted on the worktable, and a first telescopic cylinder and a second telescopic cylinder respectively mounted on the ends of the first positioning shaft and the second positioning shaft, for insertion and positioning with the pin hole of the lower hinge point seat of the drill mast. The head end panel fixing assembly includes a bracket mounted on the workbench and a positioning plate connected to the bracket, for the positioning plate to abut against the end panel of the drill mast head. The lower hinge point support assembly includes a lower hinge point support frame mounted on the workbench, a support cylinder mounted on the lower hinge point support frame, and hinge point positioning blocks symmetrically mounted on both sides of the workbench.

3. The rotary drilling rig mast positioning fixture according to claim 1, characterized in that, The large disc positioning mechanism includes a large disc positioning cylinder and a first X-axis slide rail assembly mounted on the workbench, a disc positioning platform mounted on the first X-axis slide rail assembly and connected to the power end of the large disc positioning cylinder, a first lifting cylinder mounted on the disc positioning platform, a disc lifting seat mounted on the power end of the first lifting cylinder, and a drag chain connected to one side of the disc lifting seat.

4. The rotary drilling rig mast positioning fixture according to claim 1, characterized in that, The tilting cylinder positioning mechanism includes a first X-axis cylinder and a second X-axis cylinder symmetrically mounted on the worktable, a first positioning seat and a second positioning seat respectively mounted on the power ends of the first X-axis cylinder and the second X-axis cylinder, a second X-axis slide rail group symmetrically mounted on the worktable and slidably connected to the first positioning seat and the second positioning seat respectively, a positioning mechanism and a pressing mechanism respectively mounted on the first positioning seat and the second positioning seat, and a first lifting mechanism mounted on the worktable and located between the positioning mechanism and the pressing mechanism. The clamping mechanism includes a clamping cylinder mounted on a first positioning seat, a telescopic shaft connected to the power end of the clamping cylinder, and a first fixed limiting block connected to the end of the telescopic shaft; The positioning mechanism includes a second fixed limiting block installed on the second positioning seat, a fixed limiting frame disposed between the second X-axis slide rail groups, and a third fixed limiting block connected to the fixed limiting frame; The first lifting mechanism includes a second lifting cylinder mounted on the workbench and a first lifting seat mounted on the second lifting cylinder. The lifting seat is used to be inserted and fixed to the mast tilting cylinder seat, and drives the mast tilting cylinder seat to lift and adjust under the drive of the second lifting cylinder.

5. The rotary drilling rig mast positioning fixture according to claim 1, characterized in that, The back wheel positioning mechanism includes a third X-axis cylinder and a fourth X-axis cylinder symmetrically mounted on the worktable, a third X-axis slide rail assembly with the power ends of the third X-axis cylinder and the fourth X-axis cylinder respectively, a reference positioning component and a positioning presser respectively mounted on the power ends of the third X-axis cylinder and the fourth X-axis cylinder and slidably connected on the third X-axis slide rail assembly, a support plate mounted between the reference positioning component and the positioning presser, and a second lifting mechanism set on one side of the support plate; The positioning and pressing machine includes a positioning mounting seat installed at the power end of the fourth X-axis cylinder, a third Y-axis cylinder connected to the positioning mounting seat, a telescopic shaft installed at the power end of the third Y-axis cylinder, and a positioning and pressing block installed at the end of the telescopic shaft. The reference positioning component includes a reference mounting seat installed on the power end of the third X-axis cylinder and a reference positioning block installed on the reference mounting seat and corresponding to the positioning clamping block; The second lifting mechanism includes a third lifting cylinder mounted on the workbench and a second lifting seat connected to the power end of the third lifting cylinder.

6. The rotary drilling rig mast positioning fixture according to claim 1, characterized in that, The side hinge point seat fixing mechanism includes a first Y-axis slide rail assembly and a hinge point seat cylinder mounted on the workbench, a movable table that is snapped onto the first Y-axis slide rail assembly and connected to the power end of the hinge point seat cylinder, two sets of positioning shafts and a hinge point seat positioning cylinder respectively mounted on the movable table, and a spacer sleeve fitted on the positioning shaft. The power of the hinge point seat cylinder drives the moving table and the positioning shaft on the moving table to move in the Y-axis direction, so as to realize the through-axis positioning of the positioning shaft and the side hinge point seat. The power end of the hinge seat positioning cylinder is connected to a limiting plate, and the limiting plate is connected to two sets of positioning shafts.

7. The rotary drilling rig mast positioning fixture according to claim 1, characterized in that, The end panel fixing mechanism includes an end frame mounted on the workbench, a solenoid valve, a filter pressure reducing valve and a third telescopic cylinder mounted in the end frame, and a pressure plate mounted on the outside of the end frame and connected to the power end of the third telescopic cylinder. The solenoid valve and the filter pressure reducing valve are respectively connected to the air circuit of the third telescopic cylinder, and are used to drive the third telescopic cylinder to output power.

8. The rotary drilling rig mast positioning fixture according to claim 1, characterized in that, The clamping and straightening mechanism includes two sets of straightening brackets mounted on the workbench, a first straightening cylinder, a second straightening cylinder and a third straightening cylinder set in each set of straightening brackets, an adjusting cylinder set at the top of each set of straightening brackets and a straightening component connected to the power end of the adjusting cylinder; The power end of the first alignment cylinder is connected to the square tube positioning component, the power end of the second alignment cylinder is connected to the side panel positioning component, and the power end of the third alignment cylinder is connected to the bottom plate positioning component, thereby achieving the positioning and alignment of the drill mast square tube, side panel, and bottom plate through the first alignment cylinder, the second alignment cylinder, and the third alignment cylinder. The alignment component is located above the square tube positioning component and is used to align the upper surface and sides of the square tube; one end of the alignment component is connected to an alignment screw, which is used to adjust the height of the alignment component.

9. The rotary drilling rig mast positioning fixture according to claim 1, characterized in that, The workbench is also equipped with multiple sets of limit blocks for limiting the position of the drill mast.

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