Press-fit connecting device for high-precision accessories of coal mine electromechanical equipment

Abstract

The invention relates to the technical field of coal mine electromechanical equipment, and discloses a coal mine electromechanical equipment high-precision part press-fit connecting device which comprises a main frame, a cylinder barrel and a piston rod, a tightening assembly is arranged on the surface of the right side of the top of the main frame, and a clamping assembly is arranged on the left side of the tightening assembly. The tightening assembly comprises a motor frame fixedly connected to the right side surface of the top of the main frame, a driving motor is fixedly connected to the top surface of the motor frame, a supporting table is fixedly connected to the right side surface of the top of the main frame and located on the left side of the motor frame, and a guide arc-shaped groove is formed in the top surface of the supporting table. And the surface of an output shaft of the driving motor is fixedly connected with a rotating disc, and the peripheral surface of the rotating disc is fixedly connected with a guide disc. And through the arrangement of the clamping assembly, the device is suitable for clamping the cylinder barrels with different diameters, the application range of the device is widened, the stability of the cylinder barrels is guaranteed, and the cylinder barrels are prevented from deviating during assembly and rotation.

Description

Technical Field

[0001] The invention relates to the technical field of coal mine electromechanical equipment, and in particular to a high-precision fitting connection device for coal mine electromechanical equipment. Background Art

[0002] At present, during the assembly process of coal mine electromechanical equipment, especially when it involves the press-fit connection of high-precision accessories such as cylinder barrels and piston rods, high requirements are placed on the accuracy and stability of the assembly device; In the prior art, a fixed or single-size clamping structure is used for assembly. This design is easily restricted by the change in the diameter of the accessories during assembly and fixation, and is difficult to adapt to cylinders of different specifications. At the same time, the adjustment of the pressure head assembly during the assembly process usually relies on manual adjustment, and it is difficult to achieve precise height and horizontal fine-tuning, which will lead to insufficient assembly accuracy and affect the operating performance of the equipment. Summary of the invention

[0003] In view of the deficiencies in the prior art, the present invention provides a high-precision fitting connection device for coal mine electromechanical equipment, which solves the problem that the prior art devices are easily restricted by changes in the diameter of the accessories during assembly and fixation, making it difficult to adapt to cylinders of different specifications. At the same time, the adjustment of the pressure head assembly during the assembly process usually relies on manual adjustment, which makes it difficult to achieve precise height and horizontal fine-tuning, which will lead to insufficient assembly accuracy and affect the operating performance of the equipment.

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: a high-precision fitting connection device for coal mine electromechanical equipment, comprising a main frame, a cylinder and a piston rod, a tightening assembly is arranged on the surface of the main frame, a clamping assembly is arranged on the tightening assembly, a supporting assembly is arranged on the surface of the main frame, a pressure head assembly is arranged on the surface of the main frame, and a fine-tuning assembly is arranged on the surface of the main frame and below the pressure head assembly; The tightening assembly includes a motor frame fixedly connected to the surface of the main frame, a driving motor is fixedly connected to the surface of the motor frame, a support platform is fixedly connected to the surface of the main frame and located on the motor frame, a guide arc groove is opened on the surface of the support platform, a rotating disk is fixedly connected to the surface of the output shaft of the driving motor, and a guide disk is fixedly connected to the outer peripheral surface of the rotating disk; The clamping assembly includes a first limit block, a first limit groove is provided on the surface of the rotating disk, the surfaces of the first limit blocks are fixedly connected to the clamping blocks, the central surfaces of the first limit blocks are provided with a first threaded hole, a bidirectional threaded rod is threadedly connected between the two first limit blocks, both ends of the bidirectional threaded rod are fixedly connected to handles, a second threaded hole is provided in the centers of the opposing surfaces of the two clamping blocks, guide holes are provided on the opposing surfaces of the two clamping blocks and on both sides of the second threaded hole, abutting threaded rods are relatively arranged inside the two clamping blocks, guide rods are relatively arranged inside the two clamping blocks, abutting blocks are fixedly connected to the opposing surfaces of the two abutting threaded rods, extrusion pads are fixedly connected to the opposing surfaces of the two abutting blocks, and anti-slip pads are symmetrically fixedly connected to the opposing surfaces of the two clamping blocks.

[0005] Preferably, the support assembly includes a support seat symmetrically fixedly connected to the surface of the main frame, a mounting groove is opened inside the support seat, second limit grooves are opened inside the support seat and on both sides of the mounting groove, an adaptive spring is arranged inside the support seat, the top end of the adaptive spring is fixedly connected to a first U-shaped frame, the interior of the first U-shaped frame is symmetrically rotatably connected to guide wheels, and both ends of the first U-shaped frame are fixedly connected to second limit blocks.

[0006] Preferably, the pressing head assembly includes a second U-shaped frame fixedly connected to the surface of the main frame, an arc-shaped placement groove is provided on the surface of one end of the second U-shaped frame close to the support seat, a cylinder is fixedly connected to the inside of the second U-shaped frame, a pressing head body is fixedly connected to the surface of the output shaft of the cylinder, a rubber buffer pad is fixedly connected to the surface of the end of the pressing head body away from the cylinder, guide plates are fixedly connected on both sides of the pressing head body, guide grooves are relatively provided on the surfaces of the guide plates, guide columns are symmetrically fixedly connected between the inner walls of the second U-shaped frame, and the guide columns are slidably connected to the inside of the guide grooves.

[0007] Preferably, the fine-tuning assembly includes an L-shaped connecting plate relatively fixedly connected to the surface of the main frame, the surface of the L-shaped connecting plate is evenly provided with fine-tuning threaded holes, the inner wall surface of the second U-shaped frame is evenly rotatably connected with fine-tuning bolts, and the fine-tuning bolts are threadedly connected to the inside of the fine-tuning threaded holes.

[0008] Preferably, the closed end surface of the cylinder barrel abuts between the surfaces of the two anti-slip pads, and the piston rod is placed inside the arc-shaped placement groove.

[0009] Preferably, the guide plate is slidably connected to the inside of the guide arc groove, and the support platform is arranged on the support seat.

[0010] Preferably, the two first limiting blocks are both slidably connected to the inside of the first limiting groove, and the insides of the two clamping blocks are both triangular clamping grooves.

[0011] Preferably, the bidirectional threaded rod is threadedly connected to the inside of the first threaded hole, and the abutting threaded rods are threadedly connected to the inside of the second threaded hole.

[0012] Preferably, the guide rods are slidably connected inside the guide holes, and the abutment blocks are arranged inside the two clamping blocks.

[0013] Preferably, the bottom surface of the adaptive spring is fixedly connected to the bottom surface of the mounting groove, and the second limiting blocks are slidably connected to the inside of the second limiting groove.

[0014] The present invention provides a high-precision fitting connection device for coal mine electromechanical equipment. It has the following beneficial effects: 1. The present invention provides a clamping assembly so that the device can be used for clamping cylinders of different diameters, thereby improving the scope of application of the device. At the same time, by providing a tight threaded rod, the stability of the cylinder can be ensured when the cylinder is fixedly clamped, thereby preventing the cylinder from being offset during assembly and rotation.

[0015] 2. The present invention drives the entire second U-shaped frame to move in the vertical direction by rotating multiple sets of fine-tuning bolts, thereby realizing the movement of the entire pressure head assembly, thereby realizing fine-tuning of the height and horizontality of the pressure head body, thereby facilitating the assembly of the cylinder and the piston rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A perspective view of the present invention; Figure 2 It is a schematic diagram of the structure of the tightening assembly of the present invention; Figure 3 It is a schematic diagram of the structure of the first limiting groove of the present invention; Figure 4 It is a schematic diagram of the structure of the clamping assembly of the present invention; Figure 5 It is a schematic diagram of the support assembly structure of the present invention; Figure 6 It is a schematic diagram of the second threaded hole structure of the present invention; Figure 7 It is a schematic diagram of the structure of the pressure head assembly of the present invention.

[0017] Among them, 1. main frame; 2. cylinder; 3. piston rod; 4. tightening assembly; 41. motor frame; 42. drive motor; 43. support platform; 44. guide arc groove; 45. rotating disk; 46. guide disk; 5. clamping assembly; 51. first limit block; 52. first limit groove; 53. clamping block; 54. first threaded hole; 55. bidirectional threaded rod; 56. handle; 57. second threaded hole; 58. guide hole; 59. tightening threaded rod; 511. guide rod; 512. tightening block; 513. extrusion Pad; 514, anti-skid pad; 6, support assembly; 61, support seat; 62, mounting slot; 63, second limit slot; 64, adaptive spring; 65, first U-shaped frame; 66, guide wheel; 67, second limit block; 7, pressure head assembly; 71, second U-shaped frame; 72, arc placement slot; 73, cylinder; 74, pressure head body; 75, rubber buffer pad; 76, guide plate; 77, guide slot; 78, guide column; 8, fine-tuning assembly; 81, L-shaped connecting plate; 82, fine-tuning threaded hole; 83, fine-tuning bolt. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings of the present invention specification to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] Please refer to the attached Figure 1 -Attached Figure 7 The embodiment of the present invention provides a high-precision fitting connection device for coal mine electromechanical equipment, comprising a main frame 1, a cylinder 2 and a piston rod 3, a tightening assembly 4 is arranged on the surface of the main frame 1, a clamping assembly 5 is arranged on the tightening assembly 4, a supporting assembly 6 is arranged on the surface of the main frame 1, a pressure head assembly 7 is arranged on the surface of the main frame 1, and a fine-tuning assembly 8 is arranged on the surface of the main frame 1 and below the pressure head assembly 7; The tightening assembly 4 includes a motor frame 41 fixedly connected to the surface of the main frame 1, a driving motor 42 is fixedly connected to the surface of the motor frame 41, a support platform 43 is fixedly connected to the surface of the main frame 1 and located on the motor frame 41, a guide arc groove 44 is opened on the surface of the support platform 43, a rotating disk 45 is fixedly connected to the surface of the output shaft of the driving motor 42, and a guide disk 46 is fixedly connected to the outer peripheral surface of the rotating disk 45; The clamping assembly 5 includes a first limit block 51, a first limit groove 52 is provided on the surface of the rotating disk 45, a clamping block 53 is fixedly connected to the surface of the first limit block 51, a first threaded hole 54 is provided on the central surface of the first limit block 51, a bidirectional threaded rod 55 is threadedly connected between the two first limit blocks 51, and handles 56 are fixedly connected to both ends of the bidirectional threaded rod 55, a second threaded hole 57 is provided in the center of the opposite surfaces of the two clamping blocks 53, guide holes 58 are provided on the opposite surfaces of the two clamping blocks 53 and on both sides of the second threaded hole 57, abutting threaded rods 59 are relatively arranged inside the two clamping blocks 53, guide rods 511 are relatively arranged inside the two clamping blocks 53, abutting blocks 512 are fixedly connected to the opposite surfaces of the two abutting threaded rods 59, and the opposite surfaces of the two abutting blocks 512 are fixed It is connected with an extrusion pad 513. Through the setting of the clamping assembly 5, the device can be applied to the cylinder barrels 2 with different diameters for clamping work, thereby improving the application range of the device. At the same time, through the setting of the tightening threaded rod 59, the stability of the cylinder barrel 2 can be ensured when the cylinder barrel 2 is fixed and clamped, and the cylinder barrel 2 can be prevented from being offset during assembly and rotation. The relative surfaces of the two clamping blocks 53 are symmetrically fixedly connected with anti-slip pads 514. The two first limit blocks 51 are slidably connected to the inside of the first limit groove 52. The insides of the two clamping blocks 53 are triangular clamping grooves. The bidirectional threaded rod 55 is threadedly connected to the inside of the first threaded hole 54. The tightening threaded rod 59 is threadedly connected to the inside of the second threaded hole 57. The guide rods 511 are slidably connected to the inside of the guide hole 58. The tightening blocks 512 are arranged inside the two clamping blocks 53. The support assembly 6 includes a support seat 61 symmetrically fixedly connected to the surface of the main frame 1, a mounting groove 62 is provided inside the support seat 61, and second limiting grooves 63 are relatively provided inside the support seat 61 and on both sides of the mounting groove 62, an adaptive spring 64 is provided inside the support seat 61, a first U-shaped frame 65 is fixedly connected to the top of the adaptive spring 64, and a guide wheel 66 is symmetrically rotatably connected inside the first U-shaped frame 65, and second limiting blocks 67 are fixedly connected to both ends of the first U-shaped frame 65, a guide plate 46 is slidably connected to the inside of the guide arc groove 44, a support platform 43 is provided on the support seat 61, and the bottom surface of the adaptive spring 64 is fixedly connected to the bottom surface of the mounting groove 62, and the second limiting blocks 67 are slidably connected to the inside of the second limiting groove 63; The pressure head assembly 7 includes a second U-shaped frame 71 fixedly connected to the surface of the main frame 1, an arc-shaped placement groove 72 is provided on the surface of one end of the second U-shaped frame 71 close to the support seat 61, a cylinder 73 is fixedly connected to the inside of the second U-shaped frame 71, a pressure head body 74 is fixedly connected to the output shaft surface of the cylinder 73, a rubber buffer pad 75 is fixedly connected to the surface of the end of the pressure head body 74 away from the cylinder 73, guide plates 76 are fixedly connected to both sides of the pressure head body 74, guide grooves 77 are relatively provided on the surfaces of the guide plates 76, guide columns 78 are symmetrically fixedly connected between the inner walls of the second U-shaped frame 71, and the guide columns 78 are all slidably connected to the inside of the guide grooves 77, the closed end surface of the cylinder 2 abuts between the surfaces of the two anti-slip pads 514, and the piston rod 3 is placed in the inside of the arc-shaped placement groove 72; The fine-tuning assembly 8 includes an L-shaped connecting plate 81 relatively fixedly connected to the surface of the main frame 1, and the surface of the L-shaped connecting plate 81 is evenly provided with fine-tuning threaded holes 82. The inner wall surface of the second U-shaped frame 71 is evenly rotatably connected with fine-tuning bolts 83, and the fine-tuning bolts 83 are threadedly connected to the inside of the fine-tuning threaded holes 82. By rotating multiple groups of fine-tuning bolts 83, the entire second U-shaped frame 71 is driven to move in the vertical direction, so that the entire pressure head assembly 7 can be moved, thereby achieving fine-tuning of the height and horizontality of the pressure head body 74, thereby facilitating the assembly of the cylinder 2 and the piston rod 3, significantly improving the quality and speed of the press-fit connection, effectively reducing the scrap rate and rework, and greatly reducing the difficulty of operation, so that ordinary workers can master the use skills after a short period of training, reducing the training time for workers, and indirectly improving production efficiency.

[0020] Working principle: When in use, first rotate the bidirectional threaded rod 55 through the handle 56, drive the clamping block 53 to move to both sides through the first limit block 51, and place the closed end of the cylinder 2 between the two clamping blocks 53, then rotate the bidirectional threaded rod 55 in the opposite direction, drive the clamping block 53 to move toward the surface of the cylinder 2 through the first limit block 51, so that the anti-slip pad 514 can be closely abutted against the surface of the cylinder 2, then rotate the tightening threaded rod 59, drive the tightening block 512 to move toward the surface of the cylinder 2, so that the extrusion pad 513 is abutted against the surface of the cylinder 2 to increase the stability of the fixation of the cylinder 2. Through the setting of the clamping assembly 5, the device can be suitable for different diameters. The cylinder barrel 2 is clamped, which improves the application range of the device. At the same time, by tightening the threaded rod 59, the stability of the cylinder barrel 2 can be guaranteed when the cylinder barrel 2 is fixed and clamped, avoiding the cylinder barrel 2 from being offset during assembly and rotation. After completing the fixing of the cylinder barrel 2, the top end of the piston rod 3 is horizontally placed inside the arc-shaped placement groove 72, and the tail end is placed on the surface of the guide wheel 66. By rotating the multiple sets of fine-tuning bolts 83, the entire second U-shaped frame 71 is driven to move in the vertical direction, so that the entire pressure head assembly 7 can be moved, thereby realizing fine-tuning of the height and horizontality of the pressure head body 74, thereby facilitating the assembly of the cylinder barrel 2 and the piston rod 3.

[0021] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-precision fitting connection device for coal mine electromechanical equipment, comprising a main frame (1), a cylinder (2) and a piston rod (3), characterized in that: A tightening assembly (4) is arranged on the surface of the main frame (1), a clamping assembly (5) is arranged above the tightening assembly (4), a supporting assembly (6) is arranged on the surface of the main frame (1), a pressing head assembly (7) is arranged on the surface of the main frame (1), and a fine-tuning assembly (8) is arranged on the surface of the main frame (1); The tightening assembly (4) comprises a motor frame (41) fixedly connected to the surface of the main frame (1), a driving motor (42) being fixedly connected to the surface of the motor frame (41), a support platform (43) being fixedly connected to the surface of the main frame (1) and located above the motor frame (41), a guide arc groove (44) being provided on the surface of the support platform (43), a rotating disk (45) being fixedly connected to the surface of the output shaft of the driving motor (42), and a guide disk (46) being fixedly connected to the outer peripheral surface of the rotating disk (45); The clamping assembly (5) comprises a first limiting block (51), a first limiting groove (52) is provided on the surface of the rotating disk (45), a clamping block (53) is fixedly connected to the surface of each of the first limiting blocks (51), a first threaded hole (54) is provided on the central surface of each of the first limiting blocks (51), a bidirectional threaded rod (55) is threadedly connected between the two first limiting blocks (51), both ends of the bidirectional threaded rod (55) are fixedly connected to a handle (56), a second threaded hole (57) is provided at the center of the opposing surfaces of the two clamping blocks (53), and the two Guide holes (58) are provided on opposite surfaces of the clamping blocks (53) and on both sides of the second threaded hole (57); abutting threaded rods (59) are arranged oppositely inside the two clamping blocks (53); guide rods (511) are arranged oppositely inside the two clamping blocks (53); abutting blocks (512) are fixedly connected to the opposite surfaces of the two abutting threaded rods (59); extrusion pads (513) are fixedly connected to the opposite surfaces of the two abutting blocks (512); and anti-slip pads (514) are symmetrically fixedly connected to the opposite surfaces of the two clamping blocks (53).

2. A press-fit connection device for high-precision accessories of coal mine electromechanical equipment according to claim 1, characterized in that: The support assembly (6) comprises a support seat (61) symmetrically fixedly connected to the surface of the main frame (1); a mounting groove (62) is provided inside the support seat (61); second limit grooves (63) are provided inside the support seat (61) and on both sides of the mounting groove (62) opposite to each other; an adaptive spring (64) is provided inside the support seat (61); a first U-shaped frame (65) is fixedly connected to one end of the adaptive spring (64); guide wheels (66) are symmetrically rotatably connected inside the first U-shaped frame (65); and second limit blocks (67) are fixedly connected to both ends of the first U-shaped frame (65).

3. A press-fit connection device for high-precision accessories of coal mine electromechanical equipment according to claim 2, characterized in that: The pressure head assembly (7) comprises a second U-shaped frame (71) fixedly connected to the surface of the main frame (1); an arc-shaped placement groove (72) is provided on the surface of one end of the second U-shaped frame (71) close to the support seat (61); a cylinder (73) is fixedly connected inside the second U-shaped frame (71); a pressure head body (74) is fixedly connected to the surface of the output shaft of the cylinder (73); a rubber buffer pad (75) is fixedly connected to the surface of one end of the pressure head body (74) away from the cylinder (73); guide plates (76) are fixedly connected to both sides of the pressure head body (74); guide grooves (77) are relatively provided on the surfaces of the guide plates (76); guide columns (78) are symmetrically fixedly connected between the inner walls of the second U-shaped frame (71); and the guide columns (78) are slidably connected to the inside of the guide grooves (77).

4. A press-fit connection device for high-precision accessories of coal mine electromechanical equipment according to claim 3, characterized in that: The fine-tuning assembly (8) comprises an L-shaped connecting plate (81) relatively fixedly connected to the surface of the main frame (1), the surface of the L-shaped connecting plate (81) being uniformly provided with fine-tuning threaded holes (82), and the inner wall surface of the second U-shaped frame (71) being uniformly rotatably connected with fine-tuning bolts (83), the fine-tuning bolts (83) being threadedly connected to the inside of the fine-tuning threaded holes (82).

5. A press-fit connection device for high-precision accessories of coal mine electromechanical equipment according to claim 3, characterized in that: The closed end surface of the cylinder barrel (2) abuts between the surfaces of two anti-slip pads (514), and the piston rod (3) is placed inside the arc-shaped placement groove (72).

6. A press-fit connection device for high-precision accessories of coal mine electromechanical equipment according to claim 1, characterized in that: The guide plate (46) is slidably connected inside the guide arc groove (44), and the support platform (43) is arranged on the right side of the support seat (61).

7. A press-fit connection device for high-precision accessories of coal mine electromechanical equipment according to claim 1, characterized in that: The two first limiting blocks (51) are both slidably connected to the inside of the first limiting groove (52), and the insides of the two clamping blocks (53) are both triangular clamping grooves.

8. A press-fit connection device for high-precision accessories of coal mine electromechanical equipment according to claim 1, characterized in that: The bidirectional threaded rod (55) is threadedly connected to the inside of the first threaded hole (54), and the abutting threaded rods (59) are both threadedly connected to the inside of the second threaded hole (57).

9. A press-fit connection device for high-precision accessories of coal mine electromechanical equipment according to claim 1, characterized in that: The guide rods (511) are slidably connected inside the guide holes (58), and the pressing blocks (512) are arranged inside the two clamping blocks (53).

10. A press-fit connection device for high-precision accessories of coal mine electromechanical equipment according to claim 2, characterized in that: The bottom surface of the adaptive spring (64) is fixedly connected to the bottom surface of the installation groove (62), and the second limiting blocks (67) are slidably connected inside the second limiting groove (63).

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