CN215747365U - Drill rod key strip clamping mechanism - Google Patents

Abstract

The utility model provides a drill rod keybar clamping mechanism, which relates to the technical field of drill rod welding devices and comprises a mounting frame, wherein the inner wall of the mounting frame is fixedly connected with a transversely arranged supporting rod, the middle part of the supporting rod is fixedly connected with a baffle, elastic pieces are symmetrically arranged on two sides of the baffle, two ends, far away from each other, of the two elastic pieces are fixedly connected with clamping arms for clamping keybars, the supporting rod is in sliding connection with the clamping arms, the tops of the two clamping arms are provided with synchronous driving mechanisms, and the synchronous driving mechanisms are used for driving the two clamping arms to synchronously move in opposite directions or in reverse directions; through using synchronous drive mechanism to drive two arm lock motions in opposite directions, under the effect of bracing piece direction, two elastic component can be compressed simultaneously to two arm lock, can press from both sides tight keybar, when avoiding welding keybar to the drilling rod on, keybar length is longer takes place to rock, leads to welding keybar to appear the problem of deviation, has improved welding quality.

Description

Drill rod key strip clamping mechanism

Technical Field

The utility model relates to the technical field of drill rod welding devices, in particular to a drill rod key bar clamping mechanism.

Background

The rotary drilling rig for bearing drilling operation in engineering machinery realizes the power transmission function between a power head and a drill bit in the rotary drilling rig through a drill rod, along with the development of economy and technology, the rotary drilling rig is more and more extensive in use occasions, the hole is drilled deeper and deeper, the hole diameter of the hole to be drilled is also larger and larger, and key bars need to be welded in the manufacturing process of the drill rod.

With the in-process on key strip welding to the drilling rod, need with the key strip welding in the keyway on the drilling rod, because the length of key strip is longer, when welding key strip to drilling rod is last, the key strip can take place to rock, leads to welding quality poor, consequently needs a mechanism that can press from both sides tight key strip for the key strip is firm, improves welding quality.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a drill rod key bar clamping mechanism, and aims to solve the problems that in the prior art, the key bar is long, and the key bar shakes when being welded to a drill rod, so that the welding quality is poor.

In order to achieve the purpose, the utility model adopts the following technical scheme: drilling rod keybar clamping mechanism, including the mounting bracket, the horizontal bracing piece that sets up of inner wall fixedly connected with of mounting bracket, the middle part fixedly connected with baffle of bracing piece, the bilateral symmetry of baffle is provided with the elastic component, two the equal fixedly connected with in both ends that the elastic component kept away from each other is used for pressing from both sides the arm lock of tight keybar, the bracing piece is sliding connection with the arm lock, two the top of arm lock is provided with synchronous drive mechanism, synchronous drive mechanism is used for driving two arm lock synchronous phase to each other or reverse motion.

In order to enable the key bar pressing device to have the function of pressing the key bar, the further technical scheme is that a supporting seat is fixedly connected to the outer surface of the mounting frame, and a pressing device used for pressing the key bar is arranged at the bottom of the supporting seat.

In order to make the present invention have elastic function, the present invention has a further technical solution that the elastic member is a spring.

In order to enable the synchronous driving mechanism to have the effect of synchronously driving the two clamping arms to synchronously move in the opposite directions or reversely, the synchronous driving mechanism further comprises a guide part, and the guide part is used for guiding the ascending or descending of the transverse plate.

In order to enable the utility model to have a function of guiding the transverse plate, the utility model has the further technical scheme that the guide part comprises at least two guide rods arranged along the vertical direction, the top ends of the guide rods are fixedly connected with the mounting frame, the bottom ends of the guide rods are fixedly connected with limiting plates, and the limiting plates are fixedly connected to the inner side wall of the mounting frame.

In order to provide the function of pressing the keybar, the utility model has the further technical scheme that the pressing device comprises a second telescopic component and a pressing component for pressing the keybar.

In order to enable the utility model to have a buffering effect, a further technical scheme of the utility model is that the pressing component comprises a sleeve fixedly connected to the output end of the second telescopic component, a buffering spring is arranged inside the sleeve, the bottom end of the buffering spring is fixedly connected with a movable rod, and one end of the movable rod penetrates through the outside of the sleeve and is fixedly connected with a pressing plate.

In order to prolong the service life of the clamping arms, the utility model adopts the further technical scheme that the bottom ends of the two clamping arms are fixedly connected with wear-resistant lining plates for contacting the key strips.

The utility model has the beneficial effects that:

1. through using synchronous drive mechanism to drive two arm lock motions in opposite directions, under the effect of bracing piece direction, two elastic component can be compressed simultaneously to two arm lock, can press from both sides tight keybar, when avoiding welding keybar to the drilling rod on, keybar length is longer takes place to rock, leads to welding keybar to appear the problem of deviation, has improved welding quality.

2. After the key bar is clamped and stabilized, the key bar is pressed through the pressing device, so that the key bar is tightly attached to the drill rod, the gap between the key bar and the drill rod is within the standard tolerance range, the welding quality is improved, and the spring has elasticity and can play a role in resetting the two clamping arms.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a schematic front view of an embodiment of the present invention;

FIG. 3 is a schematic diagram of a mount configuration according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a synchronous drive mechanism according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a pressing member according to an embodiment of the present invention.

In the figure: 1. a mounting frame; 2. a support bar; 3. a baffle plate; 4. an elastic member; 5. clamping arms; 6. a synchronous drive mechanism; 601. a lower fixing plate; 602. a lower fixing rod; 603. a connecting plate; 604. an upper fixing rod; 605. an upper fixing plate; 606. a transverse plate; 607. a first telescopic member; 608. a guide bar; 609. a limiting plate; 7. a supporting seat; 9. a second telescoping member; 10. a pressing member; 101. a sleeve; 102. a buffer spring; 103. a movable rod; 104. a pressing plate; 11. wear-resistant lining plate.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1-5, drill rod keybar clamping mechanism, including mounting bracket 1, the inner wall fixedly connected with of mounting bracket 1 transversely sets up bracing piece 2, the middle part fixedly connected with baffle 3 of bracing piece 2, the bilateral symmetry of baffle 3 is provided with elastic component 4, the equal fixedly connected with in both ends that two elastic component 4 kept away from each other is used for pressing from both sides the arm lock 5 of tight keybar, bracing piece 2 is sliding connection with arm lock 5, the top of two arm lock 5 is provided with synchronous drive mechanism 6, synchronous drive mechanism 6 is used for driving two arm lock 5 synchronous opposite or reverse motion.

In this embodiment, drive two arm lock 5 and move in opposite directions through using synchronous drive mechanism 6, under the effect of bracing piece 2 direction, two arm lock 5 can compress two elastic component 4 simultaneously, can press from both sides tight keybar, and when avoiding welding keybar to the drilling rod on, keybar length takes place longer to rock, leads to the welding keybar problem of deviation to appear, has improved welding quality.

In another embodiment of the utility model, the outer surface of the mounting frame 1 is fixedly connected with a supporting seat 7, the bottom of the supporting seat 7 is provided with a pressing device for pressing the keybars, and after the keybars are clamped and stabilized, the keybars are pressed by the pressing device and tightly attached to the drill rod, so that the gap between the keybars and the drill rod is within the standard tolerance range, and the welding quality is improved.

Specifically, elastic component 4 is the spring, and the spring has elasticity, can play the effect that resets to two arm lock 5.

Specifically, the synchronous driving mechanism 6 comprises a lower fixing plate 601 fixedly connected with the tops of the two clamping arms 5, respectively, a lower fixing rod 602 is fixedly connected inside the lower fixing plate 601, a connecting plate 603 is rotatably connected with the outer surface of the lower fixing rod 602, an upper fixing rod 604 is rotatably connected with the upper end of the connecting plate 603, both ends of the upper fixing rod 604 are fixedly connected with an upper fixing plate 605, a transverse plate 606 is fixedly connected with the top of the upper fixing plate 605, a first telescopic part 607 is fixedly mounted on the top of the transverse plate 606, the top end of the first telescopic part 607 is fixedly connected with the inner top wall of the mounting frame 1, the synchronous driving mechanism 6 further comprises a guide part for guiding the ascending or descending of the transverse plate 606, when the transverse plate 606 is driven by the first telescopic part 607 to ascend, the transverse plate 606 pulls the connecting plate 603 through the upper fixing plate 605, the angle between the connecting plate 603 and the supporting rod 2 changes, the two clamping arms 5 are pulled to move in opposite directions simultaneously, the key bar can be clamped, when the first telescopic part 607 drives the transverse plate 606 to descend, the key bar can be loosened, and it should be noted that when the first telescopic part 607 is a cylinder, a hydraulic cylinder or an electric telescopic rod, the effect of driving the two clamping arms 5 to move in opposite directions synchronously can be achieved.

Specifically, the guide part includes at least two guide bars 608 that set up along vertical direction, the top and the mounting bracket 1 fixed connection of guide bar 608, the bottom fixedly connected with limiting plate 609 of guide bar 608, limiting plate 609 fixed connection is at the inside wall of mounting bracket 1, through setting up guide bar 608, has played the guide effect to diaphragm 606.

Specifically, the pressing device includes a second telescopic member 9 and a pressing member 10 for pressing the key bar, the second telescopic member 9 drives the pressing member 10 to move downward, the key bar can be tightly attached to the drill rod, and it should be noted that the second telescopic member 9 is an air cylinder, a hydraulic cylinder or an electric telescopic rod.

Specifically, press the part 10 including the sleeve 101 of fixed connection at the 9 outputs of the flexible part of second, the inside of sleeve 101 is provided with buffer spring 102, buffer spring 102's bottom fixedly connected with movable rod 103, the one end of movable rod 103 runs through to the outside of sleeve 101 and fixedly connected with presses the pressure board 104, the flexible part 9 of second drives the in-process of sleeve 101 relative motion, press the in-process of pressing board 104 earlier contact key strip, when producing pressure to the key strip, press the pressure board 104 can pass through movable rod 103 extrusion buffer spring 102, the cushioning effect has been played, avoid pressure too big, lead to pressing the problem of hindering the key strip.

Specifically, the bottom of two arm lock 5 all fixedly connected with be used for contacting wear-resisting welt 11 of keybar, because wear-resisting welt 11 have good wear-resisting function, can improve arm lock 5's life.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (8)

1. The drill rod key bar clamping mechanism is characterized in that: including mounting bracket (1), the horizontal bracing piece (2) that sets up of inner wall fixedly connected with of mounting bracket (1), middle part fixedly connected with baffle (3) of bracing piece (2), the bilateral symmetry of baffle (3) is provided with elastic component (4), two the equal fixedly connected with in both ends that elastic component (4) kept away from each other is used for pressing from both sides arm lock (5) of tight keybar, bracing piece (2) are sliding connection, two with arm lock (5) the top of arm lock (5) is provided with synchronous drive mechanism (6), synchronous drive mechanism (6) are used for driving two arm lock (5) synchronous opposite directions or reverse motion.

2. The clamping mechanism for the drill rod keybars as claimed in claim 1, characterized in that a supporting seat (7) is fixedly connected to the outer surface of the mounting frame (1), and a pressing device for pressing the keybars is arranged at the bottom of the supporting seat (7).

3. The drill rod keybar clamping mechanism of claim 1 or 2, wherein the resilient member (4) is a spring.

4. The clamping mechanism for the drill rod keybars as claimed in claim 3, characterized in that the synchronous driving mechanism (6) comprises a lower fixing plate (601) fixedly connected with the top of the two clamping arms (5) respectively, the inner part of the lower fixing plate (601) is fixedly connected with a lower fixing rod (602), the outer surface of the lower fixing rod (602) is rotatably connected with a connecting plate (603), the upper end of the connecting plate (603) is rotatably connected with an upper fixing rod (604), both ends of the upper fixing rod (604) are fixedly connected with an upper fixing plate (605), the top of the upper fixing plate (605) is fixedly connected with a transverse plate (606), the top of the transverse plate (606) is fixedly provided with a first telescopic part (607), the top end of the first telescopic part (607) is fixedly connected with the inner top wall of the mounting frame (1), the synchronous driving mechanism (6) further comprises a guiding part, the guide member is used for guiding the transverse plate (606) to ascend or descend.

5. The drill rod keybar clamping mechanism according to claim 4, wherein the guide member comprises at least two guide rods (608) arranged along a vertical direction, the top ends of the guide rods (608) are fixedly connected with the mounting frame (1), the bottom ends of the guide rods (608) are fixedly connected with a limiting plate (609), and the limiting plate (609) is fixedly connected to the inner side wall of the mounting frame (1).

6. The drill rod keybar clamping mechanism of claim 2, wherein the pressing means comprises a second telescoping member (9) and a pressing member (10) for pressing the keybar.

7. The drill rod keybar clamping mechanism as recited in claim 6, characterized in that the pressing member (10) comprises a sleeve (101) fixedly connected to the output end of the second telescopic member (9), a buffer spring (102) is arranged inside the sleeve (101), a movable rod (103) is fixedly connected to the bottom end of the buffer spring (102), and one end of the movable rod (103) penetrates to the outside of the sleeve (101) and is fixedly connected with a pressing plate (104).

8. The clamping mechanism for the drill rod keybars as recited in claim 1, characterized in that the bottom ends of both of said clamping arms (5) are fixedly connected with wear-resistant lining plates (11) for contacting the keybars.

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