CN214576820U

CN214576820U - Grabbing device based on exploration shaft-shaped component

Info

Publication number: CN214576820U
Application number: CN202023008239.3U
Authority: CN
Inventors: 毕超; 王一; 李俊超; 赵存; 王瑞栋; 王永东
Original assignee: Shanghai Sumberui Intelligent Technology Co ltd
Current assignee: Shanghai Sumberui Intelligent Technology Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-11-02
Anticipated expiration: 2030-12-15

Abstract

The utility model discloses a grabbing device based on exploration rod-shaped components, which comprises a cylindrical body, a lifting seat and a lower part, wherein an opening of an inner cavity of the cylindrical body is provided with a plug, and a through hole is arranged on the plug; the clamping device also comprises a sliding part sliding along the inner cavity, a first elbow connecting piece, a second elbow connecting piece, a first clamping arm and a second clamping arm; the upper end of the sliding part is provided with a convex shoulder, the lower end of the sliding part extends out of the cylindrical body, and the outer diameter of the shoulder is larger than the inner diameter of the through hole; the two elbow connecting pieces are symmetrically arranged along the vertical central line of the sliding piece, and the two clamping arms are symmetrically arranged; the upper ends of the two toggle pieces are hinged with the sliding piece; the lower ends of the two toggle joint parts are respectively hinged with the upper ends of the two clamping arms, and the two clamping arms are crossed and hinged at the crossed position to form a shearing type clamping structure; the clamping ends of the two clamping arms are respectively provided with a presser foot, and the two presser feet are oppositely arranged; the two presser foot clamping surfaces are used for clamping the rod-shaped joint; the connector also comprises a conical piece, wherein the opening of the inner conical surface of the conical piece faces downwards to form a cover body structure which covers the rod-shaped joint and the periphery of the clamping end of the rod-shaped joint and keeps the connecting end of the rod-shaped joint extending out of the lower end of the conical surface.

Description

Grabbing device based on exploration shaft-shaped component

Technical Field

The utility model belongs to the technical field of the exploration is supplementary, concretely relates to grabbing device based on shaft-like part of exploration.

Background

Currently, the grabbing of rod-shaped components such as drilling tools, drill rods and the like in the exploration field is mainly carried out by manual assistance. The processing mode has the defects of low working efficiency and easy injury of personnel. Although the long handle is also used for clamping the workpiece for grabbing, the stability and efficiency are still not ideal. In addition, although a magnetic pickup or a chuck-type tool is used, stability and safety thereof have been also problematic.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome prior art's the aforesaid not enough, provide one kind can effectively improve production efficiency, reduce personnel's injury grabbing device based on shaft-like part of exploration.

The technical problem to be solved can be implemented by the following technical scheme.

A gripping device based on an exploratory rod-shaped element, characterized in that it comprises:

the lifting seat can be pulled upwards through a rope, a cylindrical body with a hollow inner cavity is arranged at the lower part of the lifting seat, the upper end of the cylindrical body is connected with the lifting seat, a plug is plugged at the opening of the inner cavity at the lower end of the cylindrical body, and a through hole is formed in the plug; also comprises

The sliding piece can slide up and down along the hollow inner cavity, the upper end of the sliding piece is a shoulder protruding out of the body, the lower end of the sliding piece extends out of the cylindrical body through the through hole, and the outer diameter of the shoulder is larger than the inner diameter of the through hole; and

a first toggle, a second toggle, a first clamping arm, and a second clamping arm; the first toggle piece and the second toggle piece are symmetrically arranged along the central line of the vertical position of the sliding piece, and the first clamping arm and the second clamping arm are symmetrically arranged along the central line of the vertical position of the sliding piece; wherein,

the upper end of the first elbow joint piece and the upper end of the second elbow joint piece are positioned at the lower part of the sliding piece through a first hinge shaft; the lower end of the first elbow connecting piece is hinged and positioned with the upper end of the first clamping arm through a second hinge shaft, and the lower end of the second elbow connecting piece is hinged and positioned with the upper end of the second clamping arm through a third hinge shaft; the first clamping arm and the second clamping arm are arranged in a crossed mode, the crossed position is hinged and positioned through a fourth hinge shaft, and the first clamping arm and the second clamping arm jointly form a shearing type clamping structure; a first presser foot is arranged at the clamping end of the first clamping arm, a second presser foot is arranged at the clamping end of the second clamping arm, and the first presser foot and the second presser foot are oppositely arranged; the clamping surface of the first presser foot is an arc surface, and the clamping surface of the second presser foot is also an arc surface; the first presser foot and the second presser foot are used for clamping a rod-shaped joint matched with the target grabbing component;

the connector also comprises a conical part with an inner conical surface, wherein the opening of the inner conical surface faces downwards, and the inner conical surface forms a cover body structure which is covered on the periphery of the rod-shaped connector and the clamping end of the rod-shaped connector and keeps the connecting end of the rod-shaped connector extending out of the lower end of the conical surface; an avoidance space is arranged between the first clamping arm and the conical piece and between the second clamping arm and the conical piece, so that the corresponding clamping arm can be opened properly to replace the clamped rod-shaped joint.

As a further improvement of the technical scheme, the gripping device further comprises a support body, wherein the support body comprises an upper support part and a lower support part, the left end and the right end of the upper support part and the lower support part are respectively connected up and down through a connecting rod, the upper support part is sleeved on the sliding part and can move up and down relative to the sliding part, and the upper support part forms a limiting part for limiting the feeding depth of the sliding part extending into the hollow inner cavity; the support body is connected with a first vertical rod body and a second vertical rod body, and the first rod body and the second rod body are symmetrically arranged relative to the sliding part; the device comprises a support body and a second rod body, wherein the support body is provided with a first rod body and a second rod body, the first rod body and the second rod body are sleeved with a first return spring and a second return spring respectively, the upper ends of the first return spring and the second return spring are abutted to the support body or a connecting piece of the support body, and the lower ends of the first return spring and the second return spring are abutted to the upper ends of the conical piece or the connecting piece of the conical piece.

As a further improvement of the technical solution, the gripping device further comprises a guide member, the guide member is disposed between the fourth articulated shaft and the rod-shaped joint, and a first guide surface and a second guide surface which are symmetrical to each other are disposed on two sides of the guide member opposite to the first clamping arm and the second clamping arm; from top to bottom, the distance between the first guide surface and the second guide surface relative to the central line of the vertical position of the sliding part is gradually reduced; the support device also comprises a first support arm and a second support arm; the first end of the first supporting arm is connected with the first clamping arm in a shaft mode, the second end of the first supporting arm is connected with a rolling cam, and the rolling surface of the rolling cam is attached to the first guide surface in an abutting mode; the first end of the second supporting arm is coupled to the second clamping arm in a shaft mode, the second end of the second supporting arm is connected with a rolling cam, and the rolling surface of the rolling cam abuts against the second guide surface; the first end of the first support arm is lower than the second end; the first end of the second support arm is lower than the second end.

As one preferable form of the present invention, the first presser foot is semi-annular; the second presser foot is semicircular.

Also as a further improvement of the present solution, an upper portion of the guide is connected with the lower supporter.

Furthermore, the inner conical surface of the conical part is taken as a first inner conical surface, and the conical part also comprises a second inner conical surface naturally transited with the first inner conical surface; the second inner conical surface is positioned on the upper part of the first inner conical surface and is formed on the inner side surface of the conical part or the inner cavity surface of the upper connecting piece of the conical part; the taper of the first inner conical surface is not less than that of the second inner conical surface, and the taper of the second inner conical surface is matched with that of the upper end of the rod-shaped joint.

As a further improvement of the present invention, the first inner tapered surface has a taper angle of not more than 150 °.

Preferably, the taper angle of the first inner taper surface is 45-120 °.

Adopt above-mentioned technical scheme's grabbing device based on exploration shaft-like part, its advantage is as follows:

1. the device can position in the largest range by arranging the conical piece, and effectively solves the problems of shaking and inaccurate positioning of the rod-shaped joint and the rod-shaped object;

2. the device adopts a purely mechanical mechanism to complete the processes of grabbing and releasing the rod, and has high safety and reliability;

3. in the processes of grabbing and releasing the rod, the device does not need manual intervention, and particularly has the advantages of more obvious effect, high production efficiency and low probability of personal injury during high-tower operation;

4. the device is provided with the self-resetting spring, so that the purpose of restoring to the initial state through the device is achieved.

Drawings

FIG. 1 is a schematic structural diagram of a gripping device based on an exploration rod-shaped component;

FIG. 2 is a view A-A of FIG. 1;

FIG. 3 is a top view of FIG. 1;

fig. 4 is a schematic perspective view of the gripping device of the present invention after removing part of the components;

FIG. 5 is a left side view of FIG. 1;

FIG. 6 is a schematic view of a partial structure of the cone of the present invention;

fig. 7 is a schematic perspective view of another angle of the gripping device of the present invention;

FIG. 8 is a schematic view of FIG. 5 with the cone and stem union removed;

FIG. 9 is a schematic view of a rod connector according to the present invention;

fig. 10 is a schematic view of a partial structure of the gripping device of the present invention;

in the figure: 1-lifting seat 13-connecting hole 2-up-down moving rod 21-shoulder 4-left clamping arm 41-clamping foot 5-right clamping arm 51-clamping foot 6-central guide 7-cam mechanism 71, 72-supporting arm 73, 74-cam 8-bar-shaped joint 81-bar-shaped joint central line 82-profile surface 83-end conical surface 9-conical part 91-gap 92-inner conical surface 93-positioning block 94-connecting piece 95-screw

10-support body 110-upper support plate 120-lower support plates 130, 140-connecting rods 150, 160-connecting rods

11-self-resetting spring

210. 220, 230, 240, 250, 260-connecting shaft/connecting pin

300-center line

400-sleeve 410-connecting hole 420-cavity 430-plug

510. 520-transition rod

Detailed Description

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

As shown in fig. 1 to 8, the utility model provides a grabbing device based on survey shaft-like part, this intelligence multilayer drilling rod access arrangement major structure and part are as follows:

the upper end of the lifting seat 1 is connected with a steel wire rope, and the lower end is connected with an upper and lower moving rod 2 through a sleeve 400. Wherein, the lifting seat 1 and the sleeve 400 are further positioned by means of pin connection through the corresponding connecting

holes

13 and 410, respectively. The sleeve 400 has a cavity 420, and the lower opening of the sleeve is provided with a plug 430, the up-down moving rod 2 is a sliding member capable of sliding up and down along the cavity 420, and a protruding shoulder 21 is formed on the upper portion of the sliding member, and the opening of the plug 430 is suitable for the rod body of the up-down moving rod 2 to extend out of the sleeve and break away from the sleeve due to the limiting arrangement of the shoulder.

Along the center line 300, the shaft joint at the lower portion of the up-down moving rod is positioned at the upper portion of the

transition rods

510 and 520 via the shaft joint of the connecting shaft (connecting pin) 210. The lower end of the transition rod 510 is hinged and positioned with the upper end of the right clamping arm 5 through the connecting shaft 230; similarly, the lower end of the transition rod 520 is pivotally connected to the upper end of the left clamp arm 4 via the connecting shaft 220. The left clamp arm 4 and the right clamp arm 5 are a pair of crossed clamp arms of a matched shear type clamp structure, and the crossed positions of the two clamp arms are hinged together through a connecting shaft (connecting pin) 240.

Furthermore, the clamping ends of the left and right clamping arms are provided with

semicircular clamping feet

41 and 51 which can form a clamping hoop for clamping the customized rod-shaped joint 8, as shown in fig. 2, the middle section of the rod-shaped joint 8 is provided with a groove body which is in the shape of a circular groove and is matched with the two clamping feet. The two pressure feet can be of a detachable structure, are connected and positioned on the corresponding clamping arms by utilizing a threaded connecting piece, and can be made of flexible materials, so that the clamped part is prevented from being damaged and the corresponding friction force is avoided.

The

transition pieces

510 and 520 serve as toggle members for transmitting force from the up-down moving bar 2 to push or bring the clamping or release (by means of the presser foot) between the left and right clamp arms.

Furthermore, for the purpose of controlling and intelligentizing the clamping effect, a central guide part 6 and a cam mechanism 7 are further arranged, wherein the central guide part 6 is arranged at a position below the intersection position between the two clamping arms and above the rod-shaped joint 8, two symmetrical guide surfaces are respectively arranged at the left side and the right side of the central guide part 6, and the guide surfaces are from top to bottom, and the distance from the central line is smaller and smaller. The two-cam mechanism 7 comprises a pair of

support arms

71 and 72, the front ends of which are provided with

rollable cams

73 and 74, the rolling surfaces of which respectively abut against the two guide surfaces of the central guide 6. The rear ends of the two support arms are hinged and positioned on the left and right support arms through connecting

shafts

250 and 260 respectively. By controlling the up-and-down displacement of the central guide 6, by means of the rolling of the cam on the guide surface, it is further controlled whether the two

support arms

71 and 72 open the left and right clamp arms, i.e. whether the two clamp arms are opened or closed, thereby facilitating the control of the clamping state of the two clamp feet on the rod joint 8, e.g. facilitating the replacement of the rod joint. Wherein the center guide 6 is coupled to the lower support plate 120 by a screw.

In addition, a conical member 9 is provided at the lower portion to match with the rod-shaped joint 8, (the conical member 9 is of a conical structure, the conical member 9 has an inner conical surface 92 with an opening facing downward, the inner conical surface forms a cover structure covering the periphery of the rod-shaped joint and the clamping end thereof and keeping the connecting end of the rod-shaped joint extending out of the lower end of the conical surface, then the rod-shaped joint structure 8 can be slowly positioned to the center during the falling process, the coarse positioning is completed by the coarse positioning of the inner conical surface 92, and the accurate positioning is further completed by a positioning block 93 and a connecting member 94 connected to the upper portion of the conical block, for example, by controlling the conicity of the upper end of the rod-shaped joint 8 to be consistent with that of the positioning block 93 and the connecting member 94, wherein the positioning block 93 and the connecting member 94 can be connected into a whole by screws (see screws 95 in fig. 10), or the positioning block 93 can be directly connected to the conical member 9 (at this time, the connecting member 94 is omitted), the object is that the conical member 9 has an inner conical surface (finger inner conical surface 92) with a large taper to perform rough positioning of the rod-shaped joint, and further, the upper portion of the inner conical surface 92 performs so-called accurate positioning by controlling further matching of the inner conical surface of the positioning block 93 with the upper conical surface (see end conical surface 83 in fig. 9) of the rod-shaped joint 8. In addition, the inner side surface of the connecting member 94 may be an inner cavity surface for only transitional purposes with respect to the inner tapered surface of the positioning block 93, or may be a tapered surface in cooperation with the inner tapered surface of the positioning block 93.

Between the left and right clamping arms and the conical member 9, there is provided an escape space (i.e. a space 91 in the figure) for facilitating a moderate opening of the respective clamping arm for replacing the clamped rod joint. The inner conical surface 92 is centrosymmetric along the rod connector centerline 81. The custom-made rod coupling 8 is matched to the cone 9 (meaning that the rod coupling 8 and the cone have the same taper as 93 and 94) to connect the device to a standard coupling for drill rods. On the other hand, the conical piece can enlarge the grabbing range and has the guiding function. The grabbing is convenient. Meanwhile, the opening diameter of the inner conical surface 92 is larger than that of the rod-shaped joint 8, so that the rod-shaped joint 8 can be guided into the inner cavity or the inner conical surface of the upper positioning block 93 and the connecting piece 94 through the rough positioning of the rod-shaped joint 92 in the falling process of the conical piece 9, and the positioning and the grabbing are completed.

In addition, a support body 10 is provided, which comprises an upper support plate 110 and a lower support plate 120, the left and right ends of which are connected by connecting

rods

130 and 140, respectively. In addition, the vertical connecting

rods

150 and 160 connected to the supporting body 10 are oppositely arranged with respect to the center line (wherein, the connecting

rods

150 and 160 can also be regarded as a part of the supporting body 10), and the connecting

rods

150 and 160 are sleeved with the self-resetting spring 11; the upper part of the self-reset spring 11 abuts (if necessary is connected to) the lower part of the lower support plate 120, and the lower part of the self-reset spring 11 abuts against the upper end surface of the positioning block 93 which is connected to the fixed cone 9 via the connecting piece 94. referring to fig. 10, the positioning block 93 is connected to the connecting piece 94 via the screw 95, and the self-reset spring 11 presses on the positioning block 93. The upper supporting plate 110 is sleeved on the body of the up-down moving rod 2.

The upper support plate 110 is movable up and down with respect to the up-down movement rod 2, in fact it forms a limit member limiting the sliding of the slider inside the cavity of the sleeve 400, and due to the action of the self-return spring 11, in fact this limit is a flexible limit within a certain range, not rigid, not dead of distance, thus facilitating the rod-grasping and rod-releasing process. A self-return spring 11 is fixed/connected to the cone 9 and the support 10, allowing to adjust the relative position between them when the lever is released.

Further, moving the rod 2 up and down allows the lifting base 1 and its sleeve to have a stroke S for moving up and down, thereby facilitating the connection and disconnection of the rod joint.

The specific operation process of the gripping device is as follows:

the rod grabbing process:

firstly, fixing the rod-shaped joint 8, connecting the rod-shaped joint with a drill rod, fixing the drill rod on a bracket, then moving the whole device to enable the center line of the rod-shaped joint to be concentric with the center line of the rod-shaped joint, then controlling the lifting seat 1 by using a steel wire rope to slowly descend the whole device, guiding the rod-shaped joint to a central grabbing position by using the conical piece 9, and then continuously descending the lifting seat 1 to reach L1(L1 < S), namely, the lifting seat 1 (the lower part of the sleeve 400) is not contacted with the support body 10 (the upper support plate 110).

The left and right clamping arms are opened to clamp the rod-shaped joint 8, then the lifting seat 1 is lifted by a steel wire rope, the

presser feet

41 and 51 of the left and right clamping arms are closed, the rod-shaped joint 8 is lifted accordingly, and the rod grabbing process is completed.

A rod-releasing process:

the rod joint 8 is lifted to a prescribed position and swung to the prescribed position. Then the lifting seat 1 is slowly descended by a travel distance L2(L2 > S) by using a steel wire rope, the lower part of the sleeve 400 is contacted with the supporting body 10 (which is referred to as an upper supporting plate 110), the central piece 6 is connected with the lower supporting plate 120, the self-reset spring is compressed, and when the central piece is compressed to a certain position, the left clamping arm and the right clamping arm are opened to finish the rod releasing process. The self-reset spring 11 is compressed, the conical part 9 is pressed downwards through the positioning block 93 and the connecting part 94, the central guide part 6 descends and is fixed at one position, the two supporting

arms

71 and 72 of the cam mechanism 7 are opened/unfolded, the left clamping arm 4 and the right clamping arm 5 are driven to be opened, the opening positions are kept, the lifting seat 1 is lifted by using a steel wire rope, the whole device is driven to be lifted, and the rod releasing process is completed.

The utility model provides an above-mentioned structure based on grabbing device of shaft-like part of exploration has following characteristics:

1. the conical part arranged at the lower end of the device can expand the positioning range, and the angle A of the inner conical surface of the conical part is 0-150 degrees (excluding 0 degrees), and the preferred angle A is 45-120 degrees.

2. The rod-shaped joint of the device is round, square, hexagonal or other shapes; referring to fig. 9, there is shown a contoured surface 82, which may be shaped as described above in transverse cross-section. In addition, the tapered surface 83 of the upper portion of the rod-shaped joint in fig. 9 is a so-called tapered surface for achieving further accurate positioning and fitting with the inner tapered surface of the positioning block 93.

3. The device is convenient for automatic reset when the rod is taken off by installing the self-reset spring.

4. By controlling the descending stroke, the opening angle of the two clamping arms and the closing or opening state in the subsequent ascending process are further controlled. The function can be completed without any power mechanism, the energy is saved, the speed of detaching the connecting rod is high, and the efficiency is high. For example L1 < S and L2 > S.

Claims

1. A gripping device based on an exploratory rod-shaped element, characterized in that it comprises:

2. The grabbing device based on the exploration rod-shaped component as claimed in claim 1, further comprising a supporting body, wherein the supporting body comprises an upper supporting member and a lower supporting member, the left end and the right end of the upper supporting member and the lower supporting member are respectively connected up and down through a connecting rod, the upper supporting member is sleeved on the sliding member and can move up and down relative to the sliding member, and the upper supporting member forms a limiting component for limiting the feeding depth of the sliding member extending into the hollow cavity; the support body is connected with a first vertical rod body and a second vertical rod body, and the first rod body and the second rod body are symmetrically arranged relative to the sliding part; the device comprises a support body and a second rod body, wherein the support body is provided with a first rod body and a second rod body, the first rod body and the second rod body are sleeved with a first return spring and a second return spring respectively, the upper ends of the first return spring and the second return spring are abutted to the support body or a connecting piece of the support body, and the lower ends of the first return spring and the second return spring are abutted to the upper ends of the conical piece or the connecting piece of the conical piece.

3. The survey rod shaped member based gripping device according to claim 1 or 2, further comprising a guide member disposed between the fourth hinge axis and the rod joint, the guide member being provided with symmetrical first and second guide surfaces with respect to both sides of the first and second clamp arms; from top to bottom, the distance between the first guide surface and the second guide surface relative to the central line of the vertical position of the sliding part is gradually reduced; the support device also comprises a first support arm and a second support arm; the first end of the first supporting arm is connected with the first clamping arm in a shaft mode, the second end of the first supporting arm is connected with a rolling cam, and the rolling surface of the rolling cam is attached to the first guide surface in an abutting mode; the first end of the second supporting arm is coupled to the second clamping arm in a shaft mode, the second end of the second supporting arm is connected with a rolling cam, and the rolling surface of the rolling cam abuts against the second guide surface; the first end of the first support arm is lower than the second end; the first end of the second support arm is lower than the second end.

4. The apparatus as claimed in claim 1, wherein the first presser foot is semi-circular; the second presser foot is semicircular.

5. The exploration rod-shaped component based gripping device of claim 2, further comprising a guide member disposed between the fourth articulation axis and the rod joint, the guide member having symmetrical first and second guide surfaces disposed on opposite sides of the first and second clamping arms; from top to bottom, the distance between the first guide surface and the second guide surface relative to the central line of the vertical position of the sliding part is gradually reduced; the support device also comprises a first support arm and a second support arm; the first end of the first supporting arm is connected with the first clamping arm in a shaft mode, the second end of the first supporting arm is connected with a rolling cam, and the rolling surface of the rolling cam is attached to the first guide surface in an abutting mode; the first end of the second supporting arm is coupled to the second clamping arm in a shaft mode, the second end of the second supporting arm is connected with a rolling cam, and the rolling surface of the rolling cam abuts against the second guide surface; the first end of the first support arm is lower than the second end; the first end of the second support arm is lower than the second end; the upper part of the guide member is connected with the lower support member.

6. The apparatus according to claim 1 or 2, wherein the inner conical surface of the cone is a first inner conical surface, and further comprising a second inner conical surface naturally transitional from the first inner conical surface; the second inner conical surface is positioned on the upper part of the first inner conical surface and is formed on the inner side surface of the conical part or the inner cavity surface of the upper connecting piece of the conical part; the taper of the first inner conical surface is not less than that of the second inner conical surface, and the taper of the second inner conical surface is matched with that of the upper end of the rod-shaped joint.

7. The survey rod shaped member based gripping device of claim 6, wherein the first inner tapered surface has a taper angle of no more than 150 °.

8. The survey rod shaped member based gripping device of claim 7, wherein the taper angle of the first inner tapered surface is 45 ° -120 °.