A feeding mechanism of a trenchless drill rod thickener

Abstract

This utility model relates to the field of feeding technology for thickening machines, specifically a feeding mechanism for a trenchless drill rod thickening machine. It includes a frame, a fixed block fixedly mounted on the top of the frame, a groove on the surface of the fixed block, a first slider slidably connected to the groove surface, a scale on one side of the first slider fixedly mounted on the surface of the fixed block, and a feeding assembly on the top of the frame. The feeding assembly includes a feeding chamber, a fixed plate, and a rotating block. The feeding chamber is fixedly mounted on a protrusion on the top of the frame. A second slider is fixedly connected to one side of the fixed plate, slidably connected to the groove surface, and positioned above the first slider. A circular slot is formed on the top of the fixed plate, and the rotating block is rotatably connected to the surface of the slot. This utility model, by providing a feeding assembly, can prevent the thickened portion of the drill rod from shifting due to the lack of a reliable mechanical positioning device.

Description

Technical Field

[0001] This utility model relates to the field of feeding for thickening machines, and more particularly to a feeding mechanism for a non-excavation drill rod thickening machine. Background Technology

[0002] Trenchless drill rods are key equipment specifically designed for trenchless construction technology, primarily used for the laying and repair of underground pipelines. These drill rods are characterized by high strength and corrosion resistance, enabling drilling operations in complex geological conditions. Trenchless drill rods are typically made of high-quality alloy steel and undergo special heat treatment processes to ensure their stability and reliability during construction.

[0003] In daily work, it was found that when the drill rod is transported to the preset processing station, the lack of a reliable mechanical positioning device and a precise guiding system makes it impossible for the final forming position of the thickened part of the drill rod to accurately match the design requirements. This positioning deficiency not only causes deviation in the axial position of the thickened section, but may also cause radial offset, resulting in significant differences between the key parts of the drill rod after actual processing and the product design standards, which directly affects the subsequent assembly accuracy and performance. Utility Model Content

[0004] The purpose of this invention is to address the problem in the prior art where, when the drill rod is transported to the preset processing station, the lack of a reliable mechanical positioning device and a precise guiding system results in the final forming position of the thickened part of the drill rod failing to accurately match the design requirements. This positioning deficiency not only causes deviations in the axial position of the thickened section but may also cause radial offsets, resulting in significant differences between the key parts of the drill rod after actual processing and the product design standards. This directly affects the subsequent assembly accuracy and performance. Therefore, this invention proposes a feeding mechanism for a trenchless drill rod thickening machine.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a feeding mechanism for a non-excavation drill rod thickening machine, comprising a frame, a fixed block fixedly installed on the top of the frame, a groove formed on the surface of the fixed block, a first slider slidably connected to the surface of the groove, a scale provided on one side of the first slider, the scale fixedly installed on the surface of the fixed block, and a feeding component provided on the top of the frame;

[0006] The feeding assembly includes a feeding chamber, a fixed plate, and a rotating block. The feeding chamber is fixedly installed on the protruding part on the top of the frame. A second slider is fixedly connected to one side of the fixed plate. The second slider is slidably connected to the surface of the slide groove and is located on top of the first slider. A slot is opened on the top of the fixed plate. The slot is circular. The rotating block is rotatably connected to the surface of the slot.

[0007] As a further embodiment of this utility model, three first receiving blocks are equidistantly installed on the top of the fixing plate near the slot. A connecting rod is rotatably connected to the surface of the first receiving block, and a rotating shaft is rotatably connected to the end of the connecting rod away from the first receiving block. A rack is fixedly installed on the protruding part of the other end of the top of the fixing plate.

[0008] As a further embodiment of this utility model, three second receiving blocks are equidistantly installed on the surface of the rotating block, a push rod is fixedly installed on one side of one of the second receiving blocks, a top plate is fixedly installed on the top of the second receiving block, and three openings are equidistantly opened on the surface of the top plate, the openings being rotatably connected to the rotating shaft.

[0009] As a further embodiment of this utility model, a crank is rotatably connected to one side of the feed chamber, a worm gear is fixedly installed at the output end of the crank, the worm gear is rotatably connected to the inner wall of the feed chamber, and a drive shaft is rotatably connected to the inner wall of the feed chamber.

[0010] As a further embodiment of this utility model, a gear and a worm gear are fixedly mounted on the surface of the transmission shaft, the gear meshes with the rack, and the worm gear is connected to the worm gear drive.

[0011] As a further embodiment of this utility model, a threaded hole is provided on the surface of the first slider, a second groove is provided on one side of the first slider, and a third groove is provided at the junction of the second groove and the threaded hole, wherein the third groove is circular.

[0012] As a further embodiment of this utility model, a fixing bolt is threadedly connected to the threaded hole, a locking block that can abut against the groove is slidably connected to the second surface of the groove, and a ball is slidably connected to the third surface of the groove, the ball being able to abut against the fixing bolt and the locking block.

[0013] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0014] In this invention, by pushing the push rod, the rotating block will rotate on one surface of the groove, and the top plate will also deflect, thereby causing the rotating shaft connected to the connecting rod to rotate. Under the limitation of the first receiving block, the three connecting rods are brought closer together to center and clamp the drill rod, preventing deviation during feeding. During feeding, the crank can be turned to drive the worm gear to rotate, which will drive the worm wheel to rotate and the transmission shaft to rotate. The transmission shaft drives the gear and rack to move the fixed plate in a direction. The position of the first slider can be precisely adjusted by the scale. The ball can be pushed to slide by the fixing bolt, and the ball will push the locking block to abut against the surface of the groove, fixing the first slider. The first slider abuts against the second slider for limitation, thereby controlling the feed depth and preventing deviation in the thickened part of the drill rod. Attached Figure Description

[0015] Figure 1 This utility model provides a three-dimensional structural diagram of the feeding mechanism of a non-excavation drill rod thickening machine;

[0016] Figure 2 This utility model provides a structural diagram of the fixed plate and rotating block of the feeding mechanism of a non-excavation drill rod thickening machine;

[0017] Figure 3 An exploded view of the feeding mechanism fixing plate and rotating block of a trenchless drill rod thickening machine is provided for this utility model;

[0018] Figure 4 This utility model provides a schematic diagram of the feeding bin structure of the feeding mechanism of a trenchless drill rod thickening machine;

[0019] Figure 5 This utility model provides a cross-sectional view of the first slider of the feeding mechanism of a non-excavation drill rod thickening machine.

[0020] Legend: 1. Frame; 2. Fixed block; 3. Slide groove; 4. First slider; 41. Scale; 42. Threaded hole; 43. Ball bearing; 44. Clamping block; 45. Fixing bolt; 5. Feed assembly; 51. Feed chamber; 511. Handle; 512. Worm gear; 513. Drive shaft; 514. Gear; 515. Worm wheel; 52. Fixed plate; 521. First receiving block; 522. Connecting rod; 523. Rotating shaft; 524. Rack; 53. Rotating block; 531. Push rod; 532. Top plate; 533. Second receiving block; 54. Second slider. Detailed Implementation

[0021] Please see Figure 1-5 This utility model provides a technical solution: a feeding mechanism for a non-excavation drill rod thickening machine, including a frame 1, a fixed block 2 fixedly installed on the top of the frame 1, a groove 3 opened on the surface of the fixed block 2, a first slider 4 slidably connected to the surface of the groove 3, a scale 41 provided on one side of the first slider 4, the scale 41 fixedly installed on the surface of the fixed block 2, and a feeding component 5 provided on the top of the frame 1.

[0022] In this embodiment: the feeding assembly 5 includes a feeding chamber 51, a fixed plate 52 and a rotating block 53. The feeding chamber 51 is fixedly installed on the protruding part on the top of the frame 1. A second slider 54 is fixedly connected to one side of the fixed plate 52. The second slider 54 is slidably connected to the surface of the slide groove 3 and is located on the top of the first slider 4. A slot is opened on the top of the fixed plate 52. The slot is circular and the rotating block 53 is rotatably connected to the surface of the slot.

[0023] To secure the drill pipe, please refer to... Figure 2-3Three first receiving blocks 521 are equidistantly installed on the top of the fixing plate 52 near the slot. A connecting rod 522 is rotatably connected to the surface of the first receiving block 521. A rotating shaft 523 is rotatably connected to the end of the connecting rod 522 away from the first receiving block 521. A rack 524 is fixedly installed on the protruding part of the other end of the top of the fixing plate 52.

[0024] Three second receiving blocks 533 are equidistantly installed on the surface of the rotating block 53. A push rod 531 is fixedly installed on one side of each second receiving block 533. A top plate 532 is fixedly installed on the top of the second receiving block 533. Three openings are equidistantly opened on the surface of the top plate 532. The openings are rotatably connected to the rotating shaft 523. By pushing the push rod 531, the rotating block 53 will rotate on one surface of the slot, and the top plate 532 will also deflect, thereby causing the rotating shaft 523 connected to the connecting rod 522 to rotate. Under the limit of the first receiving block 521, the three connecting rods 522 are brought closer together to center and clamp the drill rod, preventing deviation during the feeding process.

[0025] To address the issue that the final forming position of the thickened section of the drill pipe cannot accurately match design requirements due to reliable mechanical positioning devices and precise guiding systems, please refer to [link to relevant documentation]. Figure 4-5 A crank handle 511 is rotatably connected to one side of the feed chamber 51. A worm gear 512 is fixedly installed at the output end of the crank handle 511. The worm gear 512 is rotatably connected to the inner wall of the feed chamber 51. A drive shaft 513 is rotatably connected to the inner wall of the feed chamber 51.

[0026] A gear 514 and a worm gear 515 are fixedly mounted on the surface of the drive shaft 513. The gear 514 meshes with the rack 524, and the worm gear 515 is connected to the worm 512. By shaking the crank 511, the worm 512 can be driven to rotate. The worm 512 will drive the worm gear 515 to rotate and cause the drive shaft 513 to rotate. The drive shaft 513 drives the gear 514 and the rack 524, so that the fixed plate 52 can move in a specific direction.

[0027] The surface of the first slider 4 has a threaded hole 42, and a groove 2 is provided on one side of the first slider 4. A groove 3 is provided at the junction of the groove 2 and the threaded hole 42. The groove 3 is circular. The first slider 4 can move on the surface of the groove 3, and the position of the first slider 4 can be precisely adjusted by the scale 41 so that the first slider 4 and the second slider 54 are opposed to each other for limiting, thereby controlling the feed depth.

[0028] The second surface of the slot is slidably connected to a locking block 44 that can abut against the slide groove 3. The third surface of the slot is slidably connected to a ball bearing 43. The ball bearing 43 can abut against the fixing bolt 45 and the locking block 44. The fixing bolt 45 can push the ball bearing 43 to slide, and the ball bearing 43 will push the locking block 44 to abut against the surface of the slide groove 3, thereby fixing the first slider 4.

[0029] Working principle: The operator can push the push rod 531, which will cause the rotating block 53 to rotate on one surface of the groove, and the top plate 532 will also deflect, thereby causing the connecting rod 522 to rotate and the shaft 523 connected to it to rotate. Under the limit of the first receiving block 521, the three connecting rods 522 are brought closer together to center and clamp the drill rod, preventing deviation during feeding. During feeding, the crank handle 511 can be shaken to drive the worm gear 512 to rotate. The worm gear 512 will drive the worm wheel 515 to rotate and cause the transmission shaft 513 to rotate. The transmission shaft 513 drives the gear 514 and the rack 524 to move the fixed plate 52 in a direction. The position of the first slider 4 can be precisely adjusted by the scale 41. The ball 43 can be pushed to slide by the fixing bolt 45, and the ball 43 will push the locking block 44 to abut against the surface of the groove 3, fixing the first slider 4. The first slider 4 abuts against the second slider 54 for limitation, thereby controlling the feed depth.

[0030] The present invention has been described in detail above. However, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, any modifications or improvements that do not depart from the spirit of the present invention are within the protection scope of the present invention.

Claims

1. A feeding mechanism for a trenchless drill rod thickening machine, comprising a frame (1), characterized in that: A fixing block (2) is fixedly installed on the top of the frame (1). A sliding groove (3) is provided on the surface of the fixing block (2). A first slider (4) is slidably connected to the surface of the sliding groove (3). A scale (41) is provided on one side of the first slider (4). The scale (41) is fixedly installed on the surface of the fixing block (2). A feeding assembly (5) is provided on the top of the frame (1). The feeding assembly (5) includes a feeding chamber (51), a fixed plate (52), and a rotating block (53). The feeding chamber (51) is fixedly installed on the protruding part on the top of the frame (1). A second slider (54) is fixedly connected to one side of the fixed plate (52). The second slider (54) is slidably connected to the surface of the slide groove (3) and is located on the top of the first slider (4). A slot is opened on the top of the fixed plate (52). The slot is circular. The rotating block (53) is rotatably connected to the surface of the slot.

2. The feeding mechanism of the trenchless drill rod thickening machine according to claim 1, characterized in that: Three first receiving blocks (521) are equidistantly installed on the top of the fixing plate (52) near the slot. A connecting rod (522) is rotatably connected to the surface of the first receiving block (521). A rotating shaft (523) is rotatably connected to the end of the connecting rod (522) away from the first receiving block (521). A rack (524) is fixedly installed on the protruding part of the other end of the top of the fixing plate (52).

3. The feeding mechanism of the trenchless drill rod thickening machine according to claim 1, characterized in that: Three second receiving blocks (533) are equidistantly installed on the surface of the rotating block (53). A push rod (531) is fixedly installed on one side of one of the second receiving blocks (533). A top plate (532) is fixedly installed on the top of the second receiving block (533). Three openings are equidistantly opened on the surface of the top plate (532). The openings are rotatably connected to the rotating shaft (523).

4. The feeding mechanism of the trenchless drill rod thickening machine according to claim 1, characterized in that: A crank (511) is rotatably connected to one side of the feed chamber (51), and a worm gear (512) is fixedly installed at the output end of the crank (511). The worm gear (512) is rotatably connected to the inner wall of the feed chamber (51), and a drive shaft (513) is rotatably connected to the inner wall of the feed chamber (51).

5. The feeding mechanism of a trenchless drill rod thickening machine according to claim 4, characterized in that: A gear (514) and a worm gear (515) are fixedly mounted on the surface of the drive shaft (513). The gear (514) meshes with the rack (524), and the worm gear (515) is connected to the worm (512) for transmission.

6. The feeding mechanism of a trenchless drill rod thickening machine according to claim 1, characterized in that: The first slider (4) has a threaded hole (42) on its surface, and a second groove is provided on one side of the first slider (4). A third groove is provided at the junction of the second groove and the threaded hole (42). The third groove is circular.

7. The feeding mechanism of a trenchless drill rod thickening machine according to claim 6, characterized in that: A fixing bolt (45) is threadedly connected to the threaded hole (42), and a locking block (44) that can abut against the slide groove (3) is slidably connected to the second surface of the slot. A ball (43) is slidably connected to the third surface of the slot, and the ball (43) can abut against the fixing bolt (45) and the locking block (44).

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