CN215701362U

CN215701362U - Groove steel pipe connection insertion tool

Info

Publication number: CN215701362U
Application number: CN202121570234.1U
Authority: CN
Inventors: 何建设; 郭峻秀; 张瑜; 徐刚强
Original assignee: Hubei Sanliu11 Emergency Equipment Co ltd
Current assignee: Hubei Sanliu11 Emergency Equipment Co ltd
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2022-02-01
Anticipated expiration: 2031-07-12

Abstract

A channel steel pipe connecting and inserting tool comprises a wrench, a main clamp, a secondary clamp and two chains; the wrench comprises a lever, a handle is arranged at the upper end of the lever, a third semi-arc plate is arranged at the lower part of the lever, an arc opening is formed by the third semi-arc plate, and a chain wheel is respectively fixed at two end parts of the arc opening; the main clamping device comprises a connector clamping ring, and a convex rib matched with the middle annular groove of the joint is arranged on the inner wall of the connector clamping ring; the slave clamping device comprises a steel pipe clamping ring, and the steel pipe clamping ring is made of a semicircular arc plate II; the inner holes of the chain wheels are hinged with two ends of the connector clamping ring to form a first hinge point, one ends of the two chains are hinged with the chain wheels, and the other ends of the two chains are hinged with two ends of the steel pipe clamping ring to form a second hinge point; when the chain wheel is used, the teeth of the chain wheel are meshed with the chain to form a transmission chain. In the use process, the chain wheels are meshed with the chains, the steel pipes are connected and butted with the joints by pulling the steel pipes through the steel pipe clamping rings, the steel pipe butt joint device is suitable for field working environments, light in weight, low in cost and convenient to store when not in use.

Description

Groove steel pipe connection insertion tool

Technical Field

The utility model relates to a pipeline connecting tool, in particular to a groove steel pipe connecting and inserting tool.

Background

In modern war, the main approach of oil guarantee in war is to transport by oil pipeline, and guarantee that oil pipeline accurately arrives at the appointed position in time to guarantee the oil smoothly flows in war, which is a fundamental work that must be done in preparation of military war. Generally, an oil pipeline is formed by connecting a plurality of groove steel pipes through joints, in the connection process, the groove steel pipes are laid on the ground one by one along the pipeline direction in advance, and when the groove steel pipes are connected with the groove steel pipes, the groove steel pipes are butted one by one after being moved. For example, the weight of the 6m groove steel pipe is 32kg, the butt joint process wastes time and labor, and the utility model of the groove steel pipe connection insertion tool is needed urgently.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art, and provides a channel steel pipe connecting and inserting tool which is suitable for field working environment, simple in structure and convenient to operate.

The technical scheme of the utility model is as follows: comprises a spanner, a main clamping device, a secondary clamping device and two chains;

the wrench comprises a lever, a handle is arranged at the upper end of the lever, a third semi-arc plate is arranged at the lower part of the lever, an arc opening is formed by the third semi-arc plate, and a chain wheel is respectively fixed at two end parts of the arc opening;

the main clamping device comprises a connector clamping ring, the connector clamping ring is made of a semicircular arc plate I, and a convex rib matched with a middle annular groove of the joint is arranged on the inner wall of the connector clamping ring;

the slave clamping device comprises a steel pipe clamping ring, and the steel pipe clamping ring is made of a semicircular arc plate II;

the inner holes of the chain wheels are hinged with two ends of the connector clamping ring to form a first hinge point, one ends of the two chains are hinged with the chain wheels, and the other ends of the two chains are hinged with two ends of the steel pipe clamping ring to form a second hinge point; when the chain wheel is used, the teeth of the chain wheel are meshed with the chain to form a transmission chain.

The connector clamp ring comprises a connector clamp ring and is characterized in that a convex rib matched with a middle annular groove of a connector is arranged in the middle of the inner wall of the connector clamp ring, the diameter of an inner circle where the sections of the inner walls of the connector clamp ring on two sides of the convex rib are located = the diameter of an outer circle where the sections of the surfaces of the connector on two sides of the middle annular groove of the connector are located; the inner walls of the connector snap rings on the two sides of the convex rib are attached to the surfaces of the connectors on the two sides of the annular groove in the middle of the connector.

The number of the first hinge points is two, and a connecting line L1 of the first hinge points is positioned at the lower part of the circle center of the circle where the longitudinal section of the connector clamping ring is positioned; the two hinge points II are arranged, and a connecting line L2 of the two hinge points II is positioned at the lower part of the center of the circle where the longitudinal section of the steel pipe clamp ring is positioned;

when in use: the connector clamping ring is fixed relative to the joint, when the wrench swings along the first hinge point, the steel pipe clamping ring is driven by the chain to move back and forth relative to the connector clamping ring, and the connector clamping ring is positioned in the movement track of the three inner walls of the semi-arc plate; when the spanner swings to the maximum limit position, the three inner walls of the semi-arc plate do not interfere with the outside of the connector clamping ring; the two hinge point two connecting lines L2 are positioned at the upper parts of the two hinge point one connecting lines L1; the two chains are symmetrically arranged on the two sides of the semi-arc plate III and the steel pipe clamping ring; the semi-arc plate III and the steel pipe clamp ring are arranged on the left side and the right side along the length direction of the chain.

In the working process, the steel pipe clamping ring always rides on the outer circle of the steel pipe during working, and is not easy to overturn. The articulated position of connector snap ring both ends and spanner leans on down at the joint middle part, and articulated position crosses and connects the center, and when connector snap ring card inserted the operation in the annular groove department that connects during its effect, when the spanner is rotated and is pulled, the connector snap ring firmly blocked in annular groove, if articulated position leans on at joint middle part or middle part, articulated position does not connect the center promptly, and the connector snap ring is probably throw off the annular groove when inserting the operation this moment.

The distance between the connecting line L1 of the two hinge points and the circle center of the circle where the longitudinal section of the connector snap ring is located is 15-25 mm.

The outer walls of the two ends of the connector clamping ring are provided with a first fixed rotating pin shaft which is arranged along the radial direction, and an inner hole of the chain wheel is sleeved on the first fixed rotating pin shaft to form a first hinge point.

The outer walls of the two ends of the connector snap ring are provided with a first fixing sleeve, and the rod part of the first fixed rotating pin shaft is in threaded connection with the first fixing sleeve; the inner hole of the chain wheel is sleeved at the head part of the fixed rotating pin shaft.

The outer walls of the two ends of the steel pipe clamping ring are provided with second fixed rotating pin shafts which are arranged along the radial direction; two small chain plates at one end of the chain are positioned at two sides of the surface of the chain wheel, and the end parts of the two small chain plates are hinged with a hub of the chain wheel; the other end of the chain is sleeved on a second fixed rotating pin shaft through a chain plate to form a second hinge point; one end of the chain plate is sleeved on the fixed rotating pin shaft II, and the other end of the chain plate is hinged with the chain.

The outer walls of the two ends of the steel pipe clamping ring are provided with second fixing sleeves, and the shaft parts of the second fixed rotating pin shafts are in threaded connection with the second fixing sleeves; the inner hole of the chain plate is movably sleeved on the second shaft of the fixed rotating pin shaft of the steel pipe snap ring.

The upper part of an arc opening formed by the semi-arc plate III is a first arc bottom, and the lower part of the arc opening is a first arc opening; one end part of the arc opening at the lower part of the arc opening is respectively fixed with a chain wheel; a reinforcing plate is arranged between the lower end of the lever and the third semi-arc plate.

When in use: the two chains are symmetrically arranged on the first arc opening of the third semi-arc plate and the two sides of the second arc opening of the steel pipe clamping ring; the semi-arc plate III and the steel pipe clamp ring are arranged on the left side and the right side along the length direction of the chain.

The utility model is designed by combining the characteristics of a groove steel pipe (steel pipe for short) and a joint, and the groove steel pipe and the joint rotate through a chain wheel by adopting a chain wheel and chain transmission principle in the connection and insertion process, and the steel pipe clamping ring is pulled obliquely and is pulled more and more tightly, so that the steel pipe clamping ring is tightly attached to the steel pipe and is not separated from the steel pipe in the connection and insertion process. In the use process of the utility model, the chain wheels and the chains are meshed, the steel pipes are pulled by the steel pipe clamping rings to realize the connection and butt joint of the steel pipes and the joints, the utility model is suitable for the field working environment, and if sand can leak from the middle seams of the chains, the utility model has little influence on the use of the utility model. The chain is a flexible structure with the shape capable of being changed at will, and is convenient to store when not in use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the BI section of FIG. 1;

FIG. 3 is a top view of FIG. 2;

FIG. 4 is a cross-sectional view A-A, B-B of FIG. 1;

FIG. 5 is a state diagram of the use of the present invention;

fig. 6 is a cross-sectional view of fig. 5.

Detailed Description

In fig. 1-4, the present invention comprises a connector snap ring 201, a sprocket 202, a first fixed rotating pin 203, a chain 204, a link plate 205, a second fixed rotating pin 206, a steel tube snap ring 207, a first fixed sleeve 208, a second fixed sleeve 209, a wrench 210, a steel tube 1, and a socket connector 2. The chain wheel 202 is sleeved on the first fixed rotating pin 203, and the chain plate 205 is sleeved on the second fixed rotating pin 206. The cross-section of the connector snap ring 201 is T-shaped, and a convex rib 2011 used for being matched with the middle groove 22 of the connector 2 is arranged in the middle of the inner wall of the connector snap ring 201. The section of the steel pipe snap ring 207 is in a straight line shape.

The connector snap ring 201 and a fixed sleeve I208 which is welded and fixed integrally with the two sides of the connector snap ring 201, and a fixed rotating pin I203 which is fixed with an internal threaded hole of the fixed sleeve I208 form a main chain wrench clamping device.

The wrench 210 comprises a lever, the upper end of the lever is a handle, the lower end of the lever is provided with an arc-shaped opening, and the end parts of the arc-shaped openings are respectively welded with a chain wheel 202. The two sprocket 202 holes are an axis, and the inner holes of the sprocket 202 are sleeved on the first fixed rotating pin 203 and can rotate along the first fixed rotating pin 203.

The steel pipe clamping ring 207 and the steel pipe clamping ring fixing shaft sleeve 209 which is welded and fixed integrally with the two sides of the steel pipe clamping ring 207 and the steel pipe clamping ring fixing rotating pin shaft 206 which is fixed with the inner threaded hole of the steel pipe clamping ring fixing shaft sleeve 209 form a slave clamping device. The link plate 205 is sleeved on the second fixed rotating pin 206 and can rotate along the second fixed rotating pin 206.

One end of the chain 204 is connected with the chain wheel 202, the other end of the chain 204 is connected with the chain plate 205, the chain wheel 202 and the chain 204 are matched to form a transmission chain, the wrench 210 rotates along the fixed rotating pin shaft I203, and the chain 204 is driven by the chain wheel 202 to move or loosen from the clamping device to the main clamping device.

In fig. 5 and 6, the middle part of the outer wall of the joint 2 is provided with an annular groove 22, a steel locking ring 24 is arranged in the joint 2, and a groove head snap ring 23 is arranged at the groove head 11 at the end part of the steel pipe 1. The steel pipe inserting operation process can be roughly divided into two main action processes of pulling and inserting by using the inserting tool, in the operation process, the right side of the convex rib 2011 of the connector clamping ring leans against the right side groove wall of the annular groove 22, namely, the right side of the convex rib 2011 of the connector clamping ring is attached to the right side groove wall of the annular groove 22, and the reaction force of pulling force and middle pulling force in the inserting process is borne, so that the main function is achieved; the right inner wall of the connector snap ring on the right of the convex rib 2011 is tightly attached to the right excircle of the joint 2 to bear the rotating torque in the pulling and inserting processes. When the insertion tool is used, the stress in the pulling process is only the self-gravity and the ground friction of the steel pipe, and the subsequent insertion process is required to bear the self-gravity and the ground friction of the steel pipe, the resistance of an insertion joint and the force required by the expansion of the steel locking ring 24, and the steel pipe is generally quickly inserted violently, so that the acceleration force is generated.

When the utility model is used, the connector snap ring 201 is clamped at the annular groove 22 in the middle of the joint 2, the left end of the steel pipe snap ring 207 is abutted against the outer side of the end groove head 11 of the steel pipe 1, when the chain wheel 202 rotates, the chain 204 obliquely pulls the steel pipe snap ring 207 towards the lower part from the lower tangent direction of the chain wheel 202, and has a downward component force, and the downward component force is larger and larger along with the closer distance. In the process of pulling the steel pipe 1, the closer the distance of the steel pipe clamping ring 207 is, the larger the downward component force of the steel pipe clamping ring 207 is, so that the tighter the steel pipe clamping ring 207 and the steel pipe 1 are pulled, the closer the distance is, the steel pipe clamping ring 207 and the outer circle of the steel pipe 1 cannot be separated, and the steel pipe clamping ring 207 and the steel pipe 1 are separated outwards.

In the process of pulling and inserting, a lever is manually pulled, the lever rotates along the axis of a fixed rotating pin shaft I203, a connector clamping ring is clamped in a connector groove as a reference, and a steel pipe clamping ring rides on the outer circle of a steel pipe, so that the steel pipe clamping ring can work correctly and has the following conditions: the first premise is that the connector clamping ring is tightly clamped in the annular groove 22 of the connector 2 and is realized by a certain distance below the center of the connector 2 through the swing center, namely, the axis of the fixed rotating pin shaft I203 is positioned at the lower part of the axis of the connector 2; secondly, the premise is that the steel pipe clamping ring 207 is tightly attached to the outer circle of the steel pipe, measures are taken to pull the center of the steel pipe clamping ring to be a certain distance away from the center of the steel pipe 1, and the steel pipe clamping ring is pulled downwards in an inclined mode by the chain 204 in the inserting operation process. Therefore, as long as the operation is correct, the steel pipe clamping ring cannot be pulled over by a certain length which is close to the center of the steel pipe downwards by a certain distance, is not attached to the excircle of the steel pipe and is separated outwards along the axial direction.

In this embodiment, the width of the connector snap ring is 14mm, and the diameter of the circle with the arc-shaped opening cross section at the lower end of the lever is larger than the diameter of the circle with the outer wall cross section of the connector snap ring 201 by 35-40 mm. This value setting principle: on one hand, the arc-shaped opening at the lower end of the lever does not interfere with the outer wall of the connector clamping ring when swinging along the center of the fixed sleeve in the process of inserting operation; on the other hand, when the lever inserts the steel pipe in place during the insertion operation, the maximum swing angle does not interfere with the outer wall of the steel pipe clamping ring.

In this embodiment, the length of the chain 204 is 250-280 mm, and the length of the chain 204 is set to satisfy two conditions: firstly, after the convex rib 2011 of the connector snap ring is clamped in the annular groove 22 of the joint (as shown in fig. 6), when the wrench 210 swings to the limit position in the direction away from the steel pipe 1, the limit position is the maximum swing angle position, and the steel pipe snap ring 207 can ride on the excircle of the groove head steel pipe 1; secondly, before the lever of the wrench 201 swings towards the steel pipe 1 to the limit position, the limit position is the maximum swing angle position, the steel pipe 1 is reliably inserted into the socket at the right end of the joint 2, and the installation is finished. In this embodiment, the width of the steel pipe snap ring 207 is 95mm, the problem of tipping in the use process due to the narrow width is avoided, but the steel pipe snap ring 207 is not too long due to the structural limitation and the influence of factors such as the length and the weight of the chain, and holes are punched on the surface of the steel pipe snap ring 207 in order to reduce the weight.

Claims

1. The utility model provides a trench steel union coupling insertion instrument which characterized in that: comprises a spanner (210), a main clamping device, a secondary clamping device and two chains (204);

the wrench (210) comprises a lever, a handle (211) is arranged at the upper end of the lever, a semi-arc plate III (212) is arranged at the lower part of the lever, an arc-shaped opening is formed in the semi-arc plate III (212), and two chain wheels (202) are respectively fixed at two ends of the arc-shaped opening;

the main clamping device comprises a connector clamping ring (201), the connector clamping ring (201) is made of a semicircular arc plate I, and a convex rib (2011) used for being matched with a middle annular groove (22) of the joint (2) is arranged on the inner wall of the connector clamping ring (201);

the slave clamping device comprises a steel pipe clamping ring (207), and the steel pipe clamping ring (207) is made of a semicircular arc plate II;

the inner holes of the chain wheels (202) are hinged with the two ends of the connector clamping ring (201) to form a first hinge point, one ends of the two chains (204) are hinged with the chain wheels (202), and the other ends of the two chains (204) are hinged with the two ends of the steel pipe clamping ring (207) to form a second hinge point; when in use, the teeth of the chain wheel (202) are meshed with the chain (204) to form a transmission chain.

2. The grooved steel pipe connection insertion tool according to claim 1, wherein: a convex rib (2011) used for being matched with the middle annular groove (22) of the joint (2) is arranged in the middle of the inner wall of the connector clamping ring (201), and the diameter of an inner circle where the sections of the inner walls of the connector clamping ring (201) on two sides of the convex rib (2011) are located = the diameter of an outer circle where the sections of the surfaces of the joints on two sides of the joint middle annular groove (22) are located; the inner walls of the connector clamping rings (201) on the two sides of the convex rib (2011) are attached to the surfaces of the joints on the two sides of the annular groove in the middle of the joint.

3. The grooved steel pipe connection insertion tool according to claim 1, wherein: the number of the first hinge points is two, and a connecting line L1 of the first hinge points is positioned at the lower part of the circle center (4) of the circle where the longitudinal section of the connector clamping ring (201) is positioned; the two hinge points II are two, and a connecting line L2 of the two hinge points II is positioned at the lower part of the center of a circle where the longitudinal section of the steel tube clamping ring (207) is positioned;

when in use: the connector clamping ring (201) is fixed relative to the joint (2), when the wrench (210) swings along the first hinge point, the steel pipe clamping ring (207) is driven by the chain (204) to move back and forth relative to the connector clamping ring (201), and the connector clamping ring (201) is located in the motion track of the three inner walls of the semi-arc plate; the two hinge point two connecting lines L2 are positioned at the upper parts of the two hinge point one connecting lines L1; the two chains (204) are symmetrically arranged on the two sides of the semi-arc plate III and the steel pipe clamping ring (207); the semi-arc-shaped plates III and the steel pipe clamping rings (207) are arranged on the left side and the right side along the length direction of the chain (204).

4. The grooved steel pipe connection insertion tool according to claim 3, wherein: the distance between a connecting line L1 of the two hinge points and the center (4) of a circle where the longitudinal section of the connector snap ring (201) is located is 15-25 mm.

5. The grooved steel pipe connection insertion tool according to claim 1, wherein: the outer walls of the two ends of the connector snap ring (201) are provided with a first fixed rotating pin shaft (203) which is arranged along the radial direction, and an inner hole of the chain wheel (202) is sleeved on the first fixed rotating pin shaft (203) to form a first hinge point.

6. The tool of claim 5, wherein: the outer walls of the two ends of the connector snap ring (201) are provided with a first fixing sleeve (208), and the rod part of the first fixing rotating pin shaft (203) is in threaded connection with the first fixing sleeve (208); the inner hole of the chain wheel (202) is sleeved on the head part of the first fixed rotating pin shaft (203).

7. The grooved steel pipe connection insertion tool according to claim 1, wherein: a second fixed rotating pin shaft (206) is arranged on the outer wall of the two ends of the steel pipe clamping ring (207) along the radial direction; two small chain plates at one end of the chain (204) are positioned at two sides of the surface of the chain wheel (202), and the end parts of the two small chain plates are hinged with a hub of the chain wheel (202); the other end of the chain (204) is sleeved on a second fixed rotating pin shaft (206) through a chain plate (205) to form a second hinge point; one end of the chain plate (205) is sleeved on the second fixed rotating pin shaft (206), and the other end of the chain plate (205) is hinged with the chain (204).

8. The grooved steel pipe connection insertion tool according to claim 7, wherein: the outer walls of the two ends of the steel pipe clamping ring (207) are provided with a second fixing sleeve (209), and the shaft part of the second fixing rotary pin shaft (206) is in threaded connection with the second fixing sleeve (209); an inner hole of the chain plate (205) is movably sleeved on a second rotating pin shaft (206) fixed by a steel pipe snap ring.

9. The grooved steel pipe connection insertion tool according to claim 1, wherein: the upper part of an arc opening formed by the semi-arc plate III (212) is a first arc bottom, and the lower part of the arc opening is a first arc opening; one end part of the arc opening at the lower part of the arc opening is respectively fixed with a chain wheel (202); a reinforcing plate (213) is arranged between the lower end of the lever and the semi-arc plate III (212).

10. The grooved steel pipe connection insertion tool according to claim 9, wherein: when in use: the two chains (204) are symmetrically arranged on the two sides of the first arc opening of the third semi-arc plate and the second arc opening of the steel pipe clamping ring (207); the semi-arc-shaped plates III and the steel pipe clamping rings (207) are arranged on the left side and the right side along the length direction of the chain (204).