CN218624103U - Clamping mechanism for gallery drilling machine - Google Patents

Abstract

The utility model belongs to the technical field of engineering machinery, and discloses a clamping mechanism for a gallery drilling machine, which is used for limiting a drill rod and guiding the drill rod to be inserted into a rock stratum, wherein the drill rod is fixed by a plurality of joint parts through threaded connection; comprises a bottom frame and a plurality of clamps arranged on the bottom frame; the chassis is fixed on an external device, and the drill rod passes through a plurality of clamps and is pushed by the external device to be inserted into the stratum within a fixed angle range under the limit of the clamps; including the mounting fixture module in the anchor clamps and sway the anchor clamps module, sway the anchor clamps module and rotate with the mounting fixture module and be connected, sway the anchor clamps module and rotate around the drilling rod axis direction for the mounting fixture module.

Description

Clamping mechanism for gallery drilling machine

Technical Field

The utility model belongs to the technical field of engineering machine tool, concretely relates to a fixture for corridor rig.

Background

In building construction or road construction, because a ground or underground structure is built on a foundation layer, the foundation layer is subjected to a large pressure, the foundation layer must have sufficient strength against the pressure, and the ground bearing the structure needs to be reinforced or improved.

In the tunnel construction, the stability of the tunnel structure is also considered, and the pile is drilled and driven along the tunnel, so that a stronger connection relation with surrounding rock strata or soil is formed, and the structural strength and the stability are improved. When drilling the pile, need be bored into the underground by engineering machine tool with the drill bit, because soil layer geology condition is complicated, in order to improve drilling efficiency, can guide spacingly to the drill bit, skew predetermines the angle and causes equipment damage or can't form effective stake hole when avoiding its drilling.

In pile driving construction, different pile driving methods, such as driving, pressing, vibrating or screwing piles of various materials, are used according to the needs, and since the drill bit itself has a long length, it is necessary to have a large space for arranging the drilling equipment in a partial manner. However, in some projects with space limitations, larger drilling machines cannot be arranged, and especially in a tunnel rotary hole without a larger construction space, a drilling rod can only be screwed into the drilling hole, and a plurality of holes can be formed in the circumferential direction of the tunnel quickly to be grouted to form a pile foundation. In the application scene, external force is applied by the engineering machinery for piling, the drill rod is guided at the same time, the problem of drill rod deflection slip or deflection can easily occur only by the mode that the drill bit drills into the ground for drilling, the effect is poor, the drilling success rate is low, and the drill rod is easy to damage. In addition, the drilling bit generally adopts a multi-section threaded connection mode, and is assembled on a construction site to form an integral drill rod structure. However, due to the manner of drilling into the ground, the threaded connection is extremely tight after drilling, and the drill rod is difficult to separate and disassemble after being taken out.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that prior art exists, the utility model provides a fixture for corridor rig can set up and be used for spacing to the drilling rod on external engineering machine tool, unscrews its part through anchor clamps that can swing relatively when withdrawing from the drilling rod simultaneously to be convenient for follow-up dismantlement smoothly.

The utility model discloses the technical scheme who adopts does:

in a first aspect, the utility model discloses a clamping mechanism for corridor drilling machine, which is used for limiting the drill rod and guiding the drill rod to be inserted into the rock stratum, wherein the drill rod is fixed by a plurality of joint parts through threaded connection; comprises a bottom frame and a plurality of clamps arranged on the bottom frame;

the chassis is fixed on an external device, and the drill rod passes through a plurality of clamps and is pushed by the external device to be inserted into the stratum within a fixed angle range under the limit of the clamps;

including the mounting fixture module in the anchor clamps and sway the anchor clamps module, sway the anchor clamps module and rotate with the mounting fixture module and be connected, sway the anchor clamps module and rotate around the drilling rod axis direction for the mounting fixture module.

In combination with the first aspect, the present invention provides the first embodiment of the first aspect, wherein the fixing clamp module is fixedly connected to the bottom frame, and the swing clamp module is rotatably connected to the bottom frame;

the power mechanism is arranged on the underframe and drives the swing clamp module to rotate.

In combination with the first embodiment of the first aspect, the present invention provides a second embodiment of the first aspect, wherein the power mechanism is a motor set disposed on the bottom frame, and the motor set is in transmission connection with the swing clamp module through a gear-toothed belt transmission structure.

Combine the first embodiment of first aspect, the utility model provides a third kind of embodiment of first aspect, power unit is the push rod of setting on the chassis, the push rod is articulated with chassis, the anchor clamps module sways simultaneously.

In combination with the first embodiment of the first aspect, the present invention provides a fourth embodiment of the first aspect, wherein a rotating seat is disposed on the bottom frame, and a circular arc-shaped rotating groove is disposed on the swing clamp module;

the rotating seat is provided with a protruding structure embedded into the rotating groove, and the protruding structure is embedded into the rotating groove to limit the swinging fixture module to rotate along the circle center of the rotating groove.

In combination with the fourth embodiment of the first aspect, the present invention provides the fifth embodiment of the first aspect, wherein the rotation groove is a semicircular structure, and both ends are open type notches.

With reference to the first aspect or the first to fifth implementation manners of the first aspect, the present invention provides a sixth implementation manner of the first aspect, wherein the swing fixture module includes a swing fixture seat and a set of swing cylinders relatively disposed on the swing fixture seat;

the swing clamp seat is provided with a through groove for the drill rod to pass through, the end part of the swing oil cylinder penetrates into the through groove, the end part of the swing oil cylinder is provided with a chuck, and the chuck is pushed by the swing oil cylinders on two sides to move in the direction vertical to the axis of the drill rod to form a limiting gap or clamp the drill rod.

With reference to the first aspect or the first to fifth implementation manners of the first aspect, the present invention provides a seventh implementation manner of the first aspect, wherein the fixing clamp module includes a fixing clamp seat and a set of fixing cylinders relatively disposed on the fixing clamp seat;

the fixed clamp seat is provided with a through groove for the drill rod to pass through, the end part of the fixed oil cylinder penetrates into the through groove, the end part of the fixed oil cylinder is provided with a chuck, and the chucks are pushed by the fixed oil cylinders on two sides to move in the direction vertical to the axis of the drill rod to form a limiting gap or clamp the drill rod.

In combination with the first aspect or the first to fifth embodiments of the first aspect, the present invention provides an eighth embodiment of the first aspect, wherein the chassis is provided with a positioning plug on an end face of the drill rod inserted into the rock formation, and an axis of the positioning plug is collinear with an axis of the drill rod fixed on the chassis.

Combine the first aspect or the first to five kinds of implementation modes of first aspect, the utility model provides a ninth implementation mode of first aspect, be equipped with the connecting seat of being connected with external equipment on the chassis, the connecting seat passes through bolt or bayonet lock and can dismantle with external equipment and be connected.

The utility model has the advantages that:

(1) The utility model can form a plurality of limit points in the length direction of the drill rod through the base and the plurality of clamps on the base, and each clamp is controlled by the external control equipment to form the same or matched gap, so that the drill rod can be limited by the clamps and can be prevented from relative deflection when being screwed underground, and the direction of the drill rod fracture or the hole forming can not meet the requirement;

(2) The utility model discloses a be provided with two sets of anchor clamps that can swing relatively, then remove the drilling rod to the corresponding position after through the external equipment guide, clip its subsection fixedly by two sets of relative pivoted anchor clamps, twist a certain angle with one of them subsection by the action of the anchor clamps module that sways wherein again to replace the manual work with the combination formula drilling rod preliminary disassembly through mechanical equipment, avoid making the subsection of drilling rod threaded connection can't manual pine take off because of too big torsional force when drilling, thereby improve and dismantle efficiency;

(3) The utility model provides a fixture can make things convenient for engineering machine tool to carry out prepositioning to the position that needs punched earlier through the location plug that is equipped with at its tip, realizes the fixed connection of certain degree with whole base and ground through the location plug, then can further improve stability when the screw in drilling rod, avoids it to take place to deflect.

Drawings

Fig. 1 is a first isometric view of an entire fixture in an embodiment of the invention;

fig. 2 is a front view of the entire clamping mechanism in an embodiment of the invention;

fig. 3 is a second axial view of the entire clamping mechanism in an embodiment of the invention;

FIG. 4 is a right side view of the entire clamping mechanism in an embodiment of the present invention;

fig. 5 is a left side view of the entire clamping mechanism in an embodiment of the invention;

fig. 6 is a first top view of the entire fixture in an embodiment of the present invention;

FIG. 7 is a rear view of the entire clamping mechanism in an embodiment of the present invention;

fig. 8 is a second top view of the entire clamping mechanism in an embodiment of the invention;

figure 9 isbase:Sub>A cross-sectional view of the present invention taken along section linebase:Sub>A-base:Sub>A of figure 8;

fig. 10 is an isometric view of a single swing clamp module in an embodiment of the invention;

fig. 11 is an elevation view of a single swing clamp module in an embodiment of the present invention;

figure 12 is a cross-sectional view of the present invention taken along section B-B of figure 11;

fig. 13 is a bottom view of a single wobble fixture module in an embodiment of the invention.

In the figure: 1-underframe, 2-positioning plug, 3-connecting seat, 4-drill rod, 5-chuck, 6-push rod, 7-push head fixing seat, 8-base, 9-fixing clamp seat, 10-swinging clamp seat, 11-swinging oil cylinder, 12-fixing oil cylinder, 13-rotating groove, 14-rotating seat and 15-oil pipe; an S-stationary jig module, an H-swinging jig module.

Detailed Description

The present invention will be further explained with reference to the drawings and the embodiments.

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the product of the application is used, the description is only for convenience and simplicity, and the indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present application. Furthermore, the appearances of the terms "first," "second," and the like in the description herein are only used for distinguishing between similar elements and are not intended to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like when used in the description of the present application do not require that the components be absolutely horizontal or overhanging, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Example 1:

the embodiment discloses a clamping mechanism for a gallery drilling machine, which is used for supporting and limiting a drill bit for drilling a stratum in building or road engineering.

The clamping mechanism for the corridor drilling machine is arranged on a mechanical arm or other movable parts of the engineering machinery through a connecting structure, the engineering machinery mainly provides drilling power for the drill rod 4, the drill rod 4 is driven by the mechanical arm or other movable parts of the engineering machinery to drill towards a target ground at a vertical angle, the clamping mechanism for the corridor drilling machine is arranged at the inserted end part of the clamping mechanism for the corridor drilling machine and used for connecting an insertion surface and the drill rod 4, and the clamping mechanism for the corridor drilling machine is provided with a fixing channel for connecting the engineering machinery and the insertion surface.

Specifically, the clamping mechanism for the corridor drilling machine comprises an underframe 1 and a plurality of clamps arranged on the underframe 1, wherein the underframe 1 is arranged at the end part of a mechanical arm or other movable parts of engineering machinery and is driven by the engineering machinery to abut against an insertion surface.

A channel for the drill rod 4 to pass through is arranged on the base frame 1, a plurality of clamps are respectively arranged on two sides of the channel, and the swing amplitude of the drill rod 4 is limited in the length direction of the drill rod 4 by setting the clamping gaps of the clamps.

Wherein, including the anchor clamps of two sets of adjacent settings, can rotate relatively taking place between, a set of anchor clamps and chassis 1 swing joint or two sets of anchor clamps all with chassis 1 swing joint promptly, its pivoted face is perpendicular with the length direction of drilling rod 4, the pivot axis collineation of two sets of anchor clamps.

The chassis 1 is provided with an actuating mechanism, and one group or two groups of adjacent clamps are pushed to rotate relatively by the actuating mechanism.

The drill rod 4 in the embodiment is a rod member formed by rotationally connecting a plurality of sub-parts through threads, and the rod body of the drill rod 4 is of a polygonal structure, so that the clamping of a clamp is facilitated. When drilling, the clamping clearance of all the clamps in the channel is controlled to be slightly larger than the section width of the drill rod 4, so as to limit the swing amplitude of the drill rod 4. After the drilling is completed, the drill bit is dragged out by the engineering instrument, the drilling instrument stops dragging to the joint of the first adjacent subpart, the two adjacent clamps respectively clamp the subparts connected through the threads, and then the two adjacent clamps rotate to be in a loose state, so that the drill bit is convenient to manually take down.

Further, the chassis 1 is provided with only two sets of fixtures, namely a fixed fixture module S and a swing fixture module H. The fixed clamp module S and the swinging clamp module H are respectively provided with at least one independent part, the fixed clamp module S is arranged at the insertion end of the drill rod 4, and the swinging clamp module H is arranged at one side of the tail part of the drill rod 4.

Wherein, the fixed clamp module S is fixedly connected with the underframe 1 through a bolt, the swing clamp module H is rotatably connected with the underframe 1, and the rotating axis of the swing clamp module is collinear with the length direction of the drill rod 4. When the drill rod 4 is withdrawn, the withdrawing speed of the drill rod is controlled to enable the drill rod 4 at the tail part to be fixed by the swing clamp module H, the fixed clamp module S at the front part fixes the drill rod 4 at the front end, the swing clamp module H rotates to enable the part clamped by the swing clamp module H to deflect, and the operation is repeated in sequence, so that the connection part of the sub part of each section of drill rod 4 is in a loosening state, and a worker can conveniently and smoothly take down the drill rod 4 after the drill rod is completely withdrawn.

Further, the structure of each jig module is optimized.

As shown in fig. 10 to 13, a structure diagram of the swing clamp module is shown. As shown in the figure, the fixture module comprises a swinging fixture seat 10, the swinging fixture seat 10 is supported by a U-shaped plate as a base, a channel for the drill rod 4 to pass through is arranged in the middle of the swinging fixture seat, two rod pieces are arranged at an opening at the upper part of the channel for structure enhancement, and the drill rod 4 is limited to prevent upward displacement.

Two swing oil cylinders 11 are fixed on the two side plate surfaces of the swing clamp seat 10 through bolts, the end parts of the swing oil cylinders 11 penetrate into a channel of the swing clamp seat 10, and two clamping heads 5 which are symmetrically arranged are formed in the channel. The chuck 5 is a columnar structure, the end part of the chuck is an outer hexagonal half groove which is matched with the surface of the hexagonal prism of the drill rod 4, and the drill rod 4 is clamped or limited by the inward movement of the chucks 5 at the two sides.

And the openings at two sides of the channel of the swing clamp seat 10 are respectively provided with a rotating groove 13, the underframe 1 is fixed with a rotating seat 14 through bolts, the rotating seat 14 is provided with a convex block embedded into the rotating groove 13, and the convex blocks oppositely arranged at two sides are inserted into the corresponding rotating grooves 13 to form rotation limit for the swing clamp seat 10.

Further, the rotating groove 13 is a structure formed by fixing a plate body having a semicircular open groove structure at an opening at one side of the swing clamp base 10, and since the plate body does not need to rotate by a large angle, the plate body only needs to be unscrewed, the semicircular open groove structure is convenient to mount and dismount, and the rotating requirement is met.

The fixed clamp seat 9 and the swinging clamp seat 10 have similar structures, and are provided with a fixed clamp seat 9 with the same shape, and two groups of fixed oil cylinders 12 are also arranged on the fixed clamp seat 9. The fixing jig base 9 is fixed to the base frame 1 by bolts, and is not provided with a rotating groove 13 or the like.

Oil pipes 15 are respectively arranged at the bottoms of the fixed clamp seat 9 and the swing clamp seat 10, oil is respectively supplied to the swing oil cylinder 11 or the fixed oil cylinder 12 at two sides through the oil pipes 15, and the oil pipes 15 are connected in an external oil supply line and are controlled by external equipment.

Further, the power mechanism in this embodiment is not limited, and the swing clamp module is rotatably connected to the chassis 1, and has a certain degree of freedom, so that various power mechanism implementations are possible.

In one embodiment, the power mechanism is a motor and transmission structure disposed on the bottom frame 1, the transmission structure includes a toothed belt and a gear, the gear is disposed on the output shaft of the motor, and the toothed belt is disposed on the swing clamp base 10 and can be disposed at the same position as the rotation groove 13. In order to realize larger torsional force, the output shaft of the motor is connected with a reduction gearbox, the reduction gearbox is connected with a gear, and the reduction gearbox amplifies the torsional force through a plurality of gear sets inside, so that the disassembly requirement of the drill rod 4 is met.

In one embodiment, as shown in fig. 1-9, the power mechanism is a hydraulic rod structure controlled by an external device, i.e. a push rod 6 in the figure. One end of the push rod 6 is hinged with a base 8 arranged on the underframe 1, and the other end is hinged with a push head fixing seat 7 arranged on the swing clamp seat 10. The external equipment controls the push rod 6 to push the swing clamp seat 10 to rotate, when the push rod 6 is pushed outwards, the sub-part of the drill rod 4 can be screwed and loosened, and when the push rod 6 is reset, the push rod 6 is pulled back, and at the moment, the swing oil cylinder 11 controls the chuck 5 to be disconnected with the drill rod 4, so that the resistance is small.

Further, the chassis 1 is a steel frame structure, and comprises an upper layer and a lower layer, wherein a plate of the lower layer at one end extends upwards to form a conical end part, and a positioning plug 2 is arranged on the conical end part. And the other end of the underframe 1 is provided with three plates, and the connecting seat 3 formed by the three plates is detachably connected with a mechanical arm or other movable parts of the engineering machinery. The positioning plug 2 is fixed on the front portion of the underframe 1 through bolts, the front end serving as the drill rod 4 can be fixed on an end face needing punching, the underframe 1 is pushed by engineering machinery, so that the positioning plug 2 is inserted into a soil layer, adhesive force is formed between the positioning plug and the end face, and the drill rod 4 can be prevented from sliding and shifting when being pushed to drill.

The present invention is not limited to the above-mentioned alternative embodiments, and other various products can be obtained by anyone in light of the present invention. The above detailed description should not be taken as limiting the scope of the invention, which is defined in the following claims, and which can be used to interpret the claims.

Claims (10)

1. A clamping mechanism for a gallery drilling machine is used for limiting a drill rod (4) and guiding the drill rod to be inserted into a rock stratum, wherein the drill rod (4) is fixed by a plurality of joint parts through threaded connection; the method is characterized in that: comprises a bottom frame (1) and a plurality of clamps arranged on the bottom frame (1);

the chassis (1) is fixed on external equipment, and the drill rod (4) passes through a plurality of clamps and is pushed to be inserted into the stratum by the external equipment in a fixed angle range under the limitation of the clamps;

including mounting fixture module (S) and swing anchor clamps module (H) in the anchor clamps, swing anchor clamps module (H) and mounting fixture module (S) and rotate and be connected, swing anchor clamps module (H) and rotate around drilling rod (4) axis direction for mounting fixture module (S).

2. A clamping mechanism for a corridor drill according to claim 1, characterised in that: the fixed clamp module (S) is fixedly connected with the underframe (1), and the swinging clamp module (H) is rotatably connected with the underframe (1);

a power mechanism is arranged on the underframe (1) to drive the swing clamp module (H) to rotate.

3. A clamping mechanism for a corridor drill according to claim 2, characterised in that: the power mechanism is a motor set arranged on the bottom frame (1), and the motor set is in transmission connection with the swing clamp module (H) through a gear-toothed belt transmission structure.

4. A clamping mechanism for a corridor drill according to claim 2, characterised in that: the power mechanism is a push rod (6) arranged on the bottom frame (1), and the push rod (6) is hinged with the bottom frame (1) and the swing clamp module (H) at the same time.

5. A clamping mechanism for a corridor drill according to claim 2, characterised in that: a rotating seat (14) is arranged on the underframe (1), and a circular arc-shaped rotating groove (13) is arranged on the swing clamp module (H);

the rotating seat (14) is provided with a protruding structure embedded into the rotating groove (13), and the protruding structure is embedded into the rotating groove (13) to limit the swinging clamp module (H) to rotate along the circle center of the rotating groove (13).

6. A clamping mechanism for a corridor drill according to claim 5, characterised in that: the rotating groove (13) is of a semicircular structure, and two ends of the rotating groove are open type notches.

7. A clamping mechanism for a corridor drill according to any one of claims 1-6, characterised in that: the swing clamp module (H) comprises a swing clamp seat (10) and a group of swing oil cylinders (11) which are oppositely arranged on the swing clamp seat (10);

a through groove for the drill rod (4) to penetrate through is formed in the swing clamp seat (10), the end portion of the swing oil cylinder (11) penetrates into the through groove, a clamping head (5) is arranged at the end portion of the swing oil cylinder, and the clamping heads (5) are pushed by the swing oil cylinders (11) on the two sides to move in the direction perpendicular to the axis direction of the drill rod (4) to form a limiting gap or clamp the drill rod (4).

8. A clamping mechanism for a corridor drill according to any one of claims 1-6, characterised in that: the fixed clamp module (S) comprises a fixed clamp seat (9) and a group of fixed oil cylinders (12) which are oppositely arranged on the fixed clamp seat (9);

the fixed clamp seat (9) is provided with a through groove for the drill rod (4) to pass through, the end part of the fixed oil cylinder (12) penetrates into the through groove and is provided with a chuck (5), and the chuck (5) is pushed by the fixed oil cylinders (12) on two sides to move in the direction vertical to the axis of the drill rod (4) to form a limiting gap or clamp the drill rod (4).

9. A clamping mechanism for a corridor drill according to any one of claims 1-6, characterised in that: the drilling machine is characterized in that a positioning plug (2) is arranged on the end face, inserted into a rock stratum, of the drilling rod (4) of the bottom frame (1), and the axis of the positioning plug (2) is collinear with the axis of the drilling rod (4) fixed on the bottom frame (1).

10. A clamping mechanism for a corridor drill according to any one of claims 1-6, characterised in that: the chassis (1) is provided with a connecting seat (3) connected with external equipment, and the connecting seat (3) is detachably connected with the external equipment through a bolt or a bayonet lock.

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