Radial chuck clamping device

Abstract

The utility model provides a radial chuck clamping device, and relates to the technical field of chuck clamping. A clamping plate; the radial adjusting mechanism is used for adjusting the clamping plate to move close to / away from the center of the bottom plate in the radial direction of the bottom plate; a guide plate; and a power mechanism. According to the utility model, the clamping plate is used for clamping the drill rod; wherein the radial adjusting mechanism is mounted at the bottom of the clamping mechanism, and the radial adjusting mechanism is used for adjusting the clamping plate to move close to / away from the center of the bottom plate in the radial direction of the bottom plate; wherein the guide plates are oppositely arranged on the two opposite sides of the bottom plate in a clearance mode, and the guide plates are installed between the radial adjusting mechanism and the bottom plate; wherein the power mechanism is used for adjusting the gap between the pair of bottom plates, so that the radial adjusting mechanism adjusts the clamping plates to move close to or away from the centers of the bottom plates, all the mechanisms are simple in structure, and the axial size is effectively shortened through cooperation of all the mechanisms; all the mechanisms are convenient to disassemble and assemble.

Description

TECHNICAL FIELD

[0001] The utility model relates to chuck clamping technical field, concretely relates to a radial chuck clamping device. BACKGROUND

[0002] In the geological exploration technical field, chuck as drill rod clamping device is the necessary component of engineering machinery drilling rig, and its structure has significant influence on power head size, drill rod life etc. The conventional chuck on the market has many deficiencies: first, oil cylinder and disc spring cooperation is mostly adopted, the structure is complex and the axial size is larger, which causes the length of the output shaft matched with it to be longer, the processing cycle to be long and the cost to be high; second, from the maintenance angle, whether it is clamping oil cylinder or disc spring, the disassembly steps are more complicated, if the disc spring is small, it usually needs to be disassembled hundreds of times, and the disc spring as a wearing part has higher replacement frequency; third, the required thrust and tension of the chuck oil cylinder are larger, and the processing cost is high; fourth, the power head chuck and the holder chuck are independent and do not have interchangeability. In view of the above status, therefore, a multipurpose chuck clamping device capable of simple disassembly and small axial size is urgently needed to improve the above problems. SUMMARY

[0003] Therefore, the technical problem to be solved by the utility model lies in overcoming the defects in the above, so as to provide a radial chuck clamping device.

[0004] In order to solve the above problems, the utility model provides a radial chuck clamping device, which comprises:

[0005] A bottom plate;

[0006] Four clamping plates are uniformly arranged with the center of the bottom plate as the center;

[0007] A radial adjusting mechanism is arranged at the bottom of the clamping mechanism, and the radial adjusting mechanism is used for adjusting the movement of the clamping plates along the radial direction of the bottom plate to the center of the bottom plate;

[0008] A guide plate is arranged opposite to the two sides of the bottom plate with a gap, and the guide plate is arranged between the radial adjusting mechanism and the bottom plate;

[0009] A power mechanism is used for adjusting the gap between the two bottom plates.

[0010] Preferably, a center hole is arranged at the center of the bottom of the bottom plate;

[0011] A pair of first waist-shaped holes is arranged on the bottom plate close to the two guide plates respectively, and the first waist-shaped holes are arranged along the sliding direction of the guide plate on the bottom plate;

[0012] The first sliding rod is arranged on the guide plate near the first waist-shaped hole.

[0013] Preferably, the radial adjusting mechanism comprises four transition plates, the four transition plates are arranged on the opposite and adjacent four edges of a pair of guide plates, the transition plate is in the shape of a sector and has an arc-shaped surface arranged on one end near the center of the bottom plate, the two transition plates arranged opposite to the guide plate are fixedly connected with the guide plate, and the other two transition plates are slidingly connected with a pair of guide plates.

[0014] The arc-shaped surface edge of the transition plate is provided with an arc-shaped protrusion near the clamping plate.

[0015] Preferably, two pairs of second waist-shaped holes are arranged on a pair of guide plates, each pair of second waist-shaped holes corresponds to two adjacent transition plates on the guide plate, the included angle between the second waist-shaped hole and the side of the guide plate away from the center of the bottom plate is 45°, and the extension lines of the two second waist-shaped holes on the same guide plate are perpendicular to each other.

[0016] The second sliding rod is arranged on the two transition plates adjacent to the guide plate corresponding to the second waist-shaped hole, one end of the second sliding rod extending into the second waist-shaped hole is rotatably connected with a roller, and the roller is slidingly connected with the second waist-shaped hole.

[0017] Preferably, the clamping plate corresponds to one transition plate, the bottom of the clamping plate is provided with an arc-shaped clamping groove matched with the arc-shaped protrusion, and the clamping plate is clamped with the transition plate through the arc-shaped clamping groove.

[0018] The clamping plate is provided with an abutting portion on one end near the center of the bottom plate.

[0019] Preferably, the abutting portion of each clamping plate is provided with a limiting portion on both sides.

[0020] Preferably, a side plate is arranged near each of the four edges of the bottom plate, the top of the side plate is provided with a shell, the center of the shell is provided with a through hole, and a plurality of mounting holes are uniformly arranged along the edge of the through hole.

[0021] Preferably, a pair of sliding holes is arranged at the bottom of two side plates adjacent to a pair of guide plates, the guide plate is provided with a mounting portion near the bottom of each sliding hole, the mounting portion penetrates the sliding hole, and the power mechanism is arranged between each pair of sliding holes, the power mechanism is a telescopic oil cylinder, and the fixed end and the telescopic end of each telescopic oil cylinder are connected with one mounting portion.

[0022] Preferably, further comprising: a clamping groove sleeve, the clamping groove sleeve is arranged on the top of the clamping plate, a positioning hole is arranged in the center of the clamping groove sleeve, and the clamping groove sleeve is provided with matched sliding grooves on one side close to the clamping plate, and the clamping plate slides along the radial direction of the positioning hole through the sliding grooves.

[0023] The radial chuck clamping device has the following beneficial effects:

[0024] 1. The clamping plate is used for clamping the drill rod, the radial adjusting mechanism is installed at the bottom of the clamping mechanism, the radial adjusting mechanism is used for adjusting the movement of the clamping plate along the radial direction of the bottom plate to the center of the bottom plate, the guide plate is arranged on the opposite sides of the bottom plate, the guide plate is installed between the radial adjusting mechanism and the bottom plate, and the power mechanism is used for adjusting the gap between the two bottom plates, so that the radial adjusting mechanism adjusts the movement of the clamping plate to the center of the bottom plate.

[0025] 2. The radial adjusting mechanism is used for adjusting the movement of the clamping plate to the center of the bottom plate.

[0026] 3. The positioning hole in the inner side of the clamping groove sleeve is provided with a threaded ring, which is used for being connected with the power head, so that the whole device can be fixed on the shaft of the power head and rotates together with the shaft. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is a general assembly three-dimensional structure schematic view of the utility model;

[0028] Figure 2 It is a center hole structure installation schematic view of the utility model;

[0029] Figure 3 It is a telescopic oil cylinder structure installation schematic view of the utility model;

[0030] Figure 4 It is a roller structure installation schematic view of the utility model;

[0031] Figure 5 It is a limiting part structure installation schematic view of the utility model;

[0032] Figure 6 It is an arc surface structure installation schematic view of the utility model;

[0033] Figure 7The arc-shaped protruding structure installation schematic view of the utility model;

[0034] Figure 8 The arc-shaped clamping groove structure installation schematic view of the utility model;

[0035] Figure 9 The sliding groove structure installation schematic view of the utility model.

[0036] The signs are as follows:

[0037] 1, bottom plate; 2, clamping plate; 3, guide plate; 4, first waist-shaped hole; 5, first sliding rod; 6, transition plate; 7, arc surface; 8, arc protrusion; 9, second waist-shaped hole; 10, roller; 11, arc clamping groove; 12, abutment portion; 13, limiting portion; 14, side plate; 15, shell; 16, through hole; 17, sliding hole; 18, mounting portion; 19, telescopic oil cylinder; 20, clamping groove sleeve; 21, positioning hole; 22, sliding groove; 23, center hole. DETAILED DESCRIPTION

[0038] As Figures 1-9 shown, the utility model provides a radial chuck clamping device, it includes:

[0039] Bottom plate 1;

[0040] Clamping plate 2, with the center of the bottom plate 1 as the center, four are uniformly provided;

[0041] Radial adjusting mechanism, set up in the bottom of the clamping mechanism, the radial adjusting mechanism is used for adjusting the clamping plate 2 along the radial direction of the bottom plate 1 close to / away from the center of the bottom plate 1 movement;

[0042] Guide plate 3, a pair of opposite sides relative to the bottom plate 1 are provided with a gap, the guide plate 3 is set up between the radial adjusting mechanism and the bottom plate 1;

[0043] Power mechanism, for adjusting the gap between a pair of the bottom plate 1. Figures 1-9As shown, a radial chuck clamping device, the base plate 1 plays a fixed and supporting role, while the radial sliding of the guide plate 3 is limited, and the side plate 14 and the shell 15 on the base plate 1 work together to protect the internal device; the clamping plate 2 plays a role in clamping the drill pipe; wherein the radial adjusting mechanism is installed at the bottom of the clamping mechanism, and the radial adjusting mechanism is used to adjust the movement of the clamping plate 2 along the radial direction of the base plate 1 to the center of the base plate 1; wherein the guide plate 3 is gaply arranged on the opposite side of the base plate 1, and the guide plate 3 is installed between the radial adjusting mechanism and the base plate 1; wherein the power mechanism is used to adjust the gap between the base plate 1, so as to realize the movement of the radial adjusting mechanism to adjust the clamping plate 2 to the center of the base plate 1, each mechanism structure is simple, through the cooperation of each mechanism, the axial size is effectively shortened; the disassembly and assembly between each mechanism are convenient.

[0044] In some embodiments, the center hole 23 is provided at the center of the bottom of the base plate 1; a pair of first waist-shaped holes 4 are respectively arranged near the two guide plates 3 on the base plate 1, and the first waist-shaped holes 4 are arranged along the sliding direction of the guide plates 3 on the base plate 1; the first sliding rod 5 is arranged near the first waist-shaped hole 4 on the guide plate 3, and the first sliding rod 5 extends into the first waist-shaped hole 4 and is slidably connected with the first waist-shaped hole 4. Figures 1-9 As shown, the center hole 23 at the center of the bottom of the base plate 1 is used to extend into the drill pipe and the like, so that the four clamping plates 2 therein adjust the clamping of the drill pipe; wherein the first waist-shaped hole 4 cooperates with a pair of guide plates 3 to slide towards or away from each other on the base plate 1, and in this process, the first sliding rod 5 slides in the first waist-shaped hole 4, and a bearing can be installed in the first sliding rod 5 extending into the first waist-shaped hole 4, the bearing is rotatably connected with the first sliding rod 5, and the bearing slides in the first waist-shaped hole 4, so that the guide plate 3 and the base plate 1 slide smoothly, and the base plate 1 at the gap between the two guide plates 3 can be provided with a rubber buffer, which can play a buffering role when the two guide plates 3 approach each other, avoiding the mechanical fit caused by the collision of the two guide plates 3 and affecting the stability of the whole structure.

[0045] In some embodiments, the radial adjusting mechanism comprises: four transition plates 6, the four transition plates 6 are respectively arranged on the opposite and adjacent four edges of a pair of guide plates 3, the transition plate 6 is fan-shaped, and the end of the transition plate 6 close to the center of the base plate 1 is provided with an arc surface 7, two transition plates 6 opposite to the guide plate 3 are fixedly connected with the guide plate 3, and the other two transition plates 3 are slidably connected with a pair of guide plates 3; the arc-shaped protrusion 8 is arranged on the edge of the arc surface 7 of the transition plate 6 close to the clamping plate 2. Figures 1-9As shown, four transition plates 6 of the radial adjustment mechanism are correspondingly installed on four opposite and adjacent edges of a pair of guide plates 3, wherein the opposite pair of transition plates 6 and the guide plates 3 are bolted, and the other two are changed correspondingly with the mutual movement of the pair of guide plates 3, wherein the four transition plates 6 can be cut along two diagonal lines on a square plate, and the arc surface 7 can be a through hole formed on the square plate, and the arc surface 7 is formed on the inner side of the through hole, and the arc protrusion 8 is used for connecting with the clamping plate 2.

[0046] In some embodiments, a pair of the guide plates 3 is respectively provided with two pairs of second waist-shaped holes 9, and each pair of the second waist-shaped holes 9 is respectively corresponding to two transition plates 6 adjacent to the guide plate 3, and the included angle between the second waist-shaped hole 9 and the side of the guide plate 3 away from the center of the bottom plate 1 is 45°, and the extension lines of the two second waist-shaped holes 9 on the same guide plate 3 are perpendicular to each other.

[0047] The two transition plates 6 adjacent to the guide plate 3 are provided with a second sliding rod corresponding to the second waist-shaped hole 9, one end of the second sliding rod extending into the second waist-shaped hole 9 is respectively rotationally connected with a roller 10, and the roller 10 is respectively and slidingly connected with the second waist-shaped hole 9. Figures 1-9 As shown, the second waist-shaped hole 9 on the guide plate 3 is used for sliding with the two transition plates 6 adjacent to the guide plate 3, the included angle between the second waist-shaped hole 9 and the side of the guide plate 3 away from the center of the bottom plate 1 is 45°, and the extension lines of the two second waist-shaped holes 9 on the same guide plate 3 are perpendicular to each other, when a pair of guide plates 3 move close to or away from each other, the opposite two transition plates 6 move with them, and since the roller 10 rotationally connected with the second sliding rod slides in the second waist-shaped hole 9, at this time, the two adjacent transition plates 6 are synchronously driven to realize the close or away from the center hole 23 of the bottom plate 1 of the four transition plates 6, so as to realize the radial adjustment.

[0048] In some embodiments, each of the clamping plates 2 corresponds to one of the transition plates 6, the bottom of the clamping plate 2 is provided with an arc-shaped clamping groove 11 matched with the arc-shaped protrusion 8, and the clamping plate 2 is clamped with the transition plate 6 through the arc-shaped clamping groove 11; and one end of the clamping plate 2 close to the center of the bottom plate 1 is respectively provided with an abutting portion 12. Figures 1-9 As shown, the arc-shaped clamping groove 11 at the bottom of the clamping plate 2 is clamped with the arc-shaped protrusion 8, so as to realize the radial adjustment of the clamping plate 2 with the four transition plates 6.

[0049] In some embodiments, the two sides of the abutting portion 12 of each of the clamping plates 2 are respectively provided with a limiting portion 13. Figures 1-9As shown, the abutting part 12 is used to abut the drill pipe and the like to be clamped, and the limiting part 13 of the abutting part 12 is used to limit the minimum clamping radial dimension of the four clamping plates 2.

[0050] In some embodiments, a side plate 14 is arranged near each of the four edges of the bottom plate 1, and a shell 15 is arranged on the top of the side plate 14, and a through hole 16 is arranged in the center of the shell 15, and a plurality of mounting holes are uniformly arranged along the edge of the through hole 16. Figures 1-9 As shown, the bottom plate 1, the side plate 14 and the shell 15 collectively play a protective role for the internal structure, and the through hole 16 in the center of the shell 15 can enable the power head to extend into the internal structure and be connected to the clamping groove sleeve 20, wherein the mounting holes are connected to the power head by bolts.

[0051] In some embodiments, a pair of sliding holes 17 are arranged at the bottom of each of the two side plates 14 adjacent to the pair of guide plates 3, and a mounting part 18 is arranged at the bottom of each of the sliding holes 17, and the mounting part 18 penetrates the sliding hole 17, and the power mechanism is arranged between each pair of sliding holes 17, and the power mechanism is a telescopic oil cylinder 19, and the fixed end and the telescopic end of each telescopic oil cylinder 19 are connected to one of the mounting parts 18. Figures 1-9 As shown, the sliding holes 17 on both sides of the guide plate 3 provide space when the telescopic oil cylinder 19 is in telescopic motion, so that when the telescopic oil cylinder 19 mounted outside the side plate 14 is in telescopic motion, the two mounting parts 18 are driven to move, thereby transmitting power to the guide plate 3 to move towards or away from each other on the bottom plate 1, wherein the telescopic oil cylinder 19 is commercially available, and the two telescopic oil cylinders 19 move synchronously during operation to maintain the stable movement of the guide plate 3 and promote the stable clamping of the clamping plate 2.

[0052] In some embodiments, the clamping groove sleeve 20 is arranged on the top of the clamping plate 2, the clamping groove sleeve 20 is arranged with a positioning hole 21 in the center, and the clamping groove sleeve 20 is arranged with a matching sliding groove 22 on one side close to the clamping plate 2, and the clamping plate 2 slides along the radial direction of the positioning hole 21 through the sliding groove 22. Figures 1-9 As shown, the clamping groove sleeve 20 can stabilize the radial adjustment of the clamping plate 2 on one hand, and provide a connection point for the power head on the other hand, the outermost size of the clamping groove sleeve 20 is greater than the diameter size of the through hole 16, so as to avoid the disengagement of the clamping groove sleeve 20, and the inner diameter of the positioning hole 21 in the clamping groove sleeve 20 is arranged with a thread ring for connection with the power head, so that the entire device can be fixed on the shaft of the power head and rotate with the shaft, and at this time, the clamping plate 2 can clamp the drill pipe and the like, so that when the power head rotates, the clamped drill pipe can be driven.

[0053] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application. The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A radial chuck clamping device, characterized in that, The radial chuck clamping device comprises a base plate (1), four clamping plates (2) arranged uniformly around the center of the base plate (1), a radial adjusting mechanism arranged at the bottom of the four clamping plates (2) and used for adjusting the movement of the clamping plates (2) towards or away from the center of the base plate (1) along the radial direction of the base plate (1), a guide plate (3) arranged opposite to the two sides of the base plate (1) with a gap, a power mechanism used for adjusting the gap between a pair of base plates (1), four transition plates (6) arranged on the opposite and adjacent edges of a pair of guide plates (3), the transition plates (6) being in the shape of a sector and having an arc-shaped surface (7) arranged at the end close to the center of the base plate (1), the two transition plates (6) arranged opposite to the guide plates (3) being fixedly connected with the guide plates (3), and the other two transition plates (6) being slidably connected with a pair of guide plates (3), the arc-shaped surface (7) of the transition plate (6) being provided with an arc-shaped protrusion (8) close to the clamping plate (2), two pairs of second waist-shaped holes (9) being arranged on a pair of guide plates (3) respectively, each pair of second waist-shaped holes (9) corresponding to two transition plates (6) adjacent to the guide plates (3), the included angle between the second waist-shaped hole (9) and the side of the guide plate (3) away from the center of the base plate (1) being 45°, and the extension lines of the two second waist-shaped holes (9) on the same guide plate (3) being perpendicular to each other, a second sliding rod being arranged on the two transition plates (6) adjacent to the guide plate (3) and corresponding to the second waist-shaped hole (9), the end of the second sliding rod extending into the second waist-shaped hole (9) being rotatably connected with a roller (10), and the roller (10) being slidably connected with the second waist-shaped hole (9).

2. The radial chuck clamping device according to claim 1, wherein a center hole (23) is arranged at the center of the bottom of the base plate (1), a pair of first waist-shaped holes (4) are arranged on the base plate (1) close to the two guide plates (3) respectively, the first waist-shaped holes (4) being arranged along the sliding direction of the guide plates (3) on the base plate (1), a first sliding rod (5) is arranged on the guide plate (3) close to the first waist-shaped hole (4) respectively, the first sliding rod extending into the first waist-shaped hole (4) and being slidably connected with the first waist-shaped hole (4).

3. The radial chuck clamping device according to claim 1, wherein each clamping plate (2) corresponds to a transition plate (6), the bottom of the clamping plate (2) is provided with an arc-shaped clamping groove (11) matched with the arc-shaped protrusion (8), and the clamping plate (2) is clamped with the transition plate (6) through the arc-shaped clamping groove (11), and the end of the clamping plate (2) close to the center of the base plate (1) is provided with an abutting portion (12). ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 4. The radial chuck clamping device according to claim 1, characterized in that: The abutting part (12) of each clamping plate (2) is provided with a limiting part (13) on both sides.

5. The radial chuck clamping device according to claim 1, characterized in that: A side plate (14) is arranged near each edge of the bottom plate (1), and a shell (15) is arranged on the top of the side plate (14), a through hole (16) is arranged in the center of the shell (15), and a plurality of mounting holes are uniformly arranged along the edge of the through hole (16).

6. The radial chuck clamping device according to claim 5, characterized in that: Two side plates (14) adjacent to a pair of guide plates (3) are respectively provided with a pair of sliding holes (17) at the bottom, the guide plates (3) are respectively provided with a mounting part (18) near the bottom of the sliding hole (17), the mounting part (18) penetrates the sliding hole (17), and the power mechanism is arranged between each pair of sliding holes (17), the power mechanism is a telescopic oil cylinder (19), and the fixed end and the telescopic end of each telescopic oil cylinder (19) are respectively connected with one mounting part (18).

7. The radial chuck clamping device according to claim 1, characterized in that: It further comprises a clamping groove sleeve (20), the clamping groove sleeve (20) is arranged on the top of the clamping plate (2), a positioning hole (21) is arranged in the center of the clamping groove sleeve (20), and an adaptive sliding groove (22) is arranged on one side of the clamping groove sleeve (20) near the clamping plate (2), and the clamping plate (2) slides along the radial direction of the positioning hole (21) through the sliding groove (22).

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