Novel five-cylinder slurry pump cantilever crane

Abstract

The utility model belongs to the technical field of petroleum drilling and production equipment, and discloses a novel five-cylinder slurry pump cantilever crane which comprises a stand column bottom plate, a folding bottom plate is arranged at the bottom end of the stand column bottom plate, a hinge is arranged on the same side of the stand column bottom plate and the folding bottom plate, one end of the hinge is connected with the side face of the stand column bottom plate, and the other end of the hinge is connected with the side face of the folding bottom plate. A steel ball is arranged at the bottom inside the stand column; a round pipe penetrates through the stand column; a round plate is welded at the bottom end, penetrating into the stand column, of the round pipe; a round hole is formed in the center of the round plate and is in contact with the upper end of the steel ball; the top end of the circular tube is connected with a cantilever; a rib plate is arranged between the circular tube and the cantilever; the rib plates are matched with rocker arms; the device is small in frictional resistance, convenient to operate, good in safety and convenient to transport.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of petroleum drilling and production equipment, and relates to a cantilever crane, in particular to a novel five-cylinder slurry pump cantilever crane. BACKGROUND

[0002] The cantilever crane is a special equipment installed on a petroleum slurry pump and used for hoisting objects during maintenance operation, the structure of the conventional slurry pump cantilever crane is that a round pipe is inserted into a stand column fixed on the slurry pump, a cantilever is arranged at the top of the round pipe, and a trolley and a hand-operated chain block are arranged on the cantilever; during operation, the operator usually pulls the lifting rope of the hand-operated chain block to complete the rotation of the cantilever after the parts are hoisted by the hand-operated chain block through the lifting hook, and the operation is very inconvenient and has great safety risks.

[0003] Since the bottom of the round pipe and the inner bottom surface of the stand column are in surface contact, when the cantilever crane hoists the parts, the weight load of the parts is transmitted to the contact surface between the bottom of the round pipe and the inner bottom surface of the stand column through the cantilever, at this time, the friction resistance between the bottom of the round pipe and the inner bottom surface of the stand column is very large when the cantilever is rotated, which causes time-consuming and labor-consuming operation; meanwhile, the cantilever crane needs to be detached from the five-cylinder slurry pump, independently packaged and separately transported due to the height limit of the transportation road during the transportation of the five-cylinder slurry pump; therefore, the five-cylinder slurry pump cantilever crane needs to be safer and more convenient to operate. CONTENT OF THE UTILITY MODEL

[0004] The utility model solves the technical problems of the prior art, and provides a novel five-cylinder slurry pump cantilever crane which has small friction resistance, is convenient to operate, safe and convenient to transport.

[0005] The utility model solves the technical problems by the following technical scheme, a novel five-cylinder slurry pump cantilever crane includes a stand column bottom plate, the bottom end of the stand column bottom plate is provided with a folding bottom plate, the same side of the stand column bottom plate and the folding bottom plate is provided with a hinge, one end of the hinge is connected with the side surface of the stand column bottom plate, and the other end of the hinge is connected with the side surface of the folding bottom plate;The top end of the stand column bottom plate is vertically welded with a stand column, the stand column is a hollow structure, the inner bottom of the stand column is provided with a steel ball, a round pipe is arranged in the stand column, the bottom end of the round pipe is welded with a round plate, the center of the round plate is provided with a round hole, the round hole is in contact with the upper end of the steel ball, and the lower end of the steel ball is in contact with the stand column bottom plate;The top end of the round pipe is connected with a cantilever, and a rib plate is arranged between the round pipe and the cantilever;The rib plate is matched with a rocker arm, one side of the rocker arm is provided with a U-shaped groove, the side surface of the U-shaped groove is provided with a through hole, and the bottom of the rib plate is provided with a round hole matched with the upper through hole of the U-shaped groove;The cantilever is provided with a running type ring chain electric hoist.

[0006] Preferably, the upper part of the rib plate is provided with a circular-arc-shaped notch matched with the running type ring chain electric hoist.

[0007] The U-shaped slot on the rocker arm is clamped on the bottom of the rib plate, a bolt is arranged through the through hole on the rocker arm and the round hole on the bottom of the rib plate, and a nut is matched with the bolt.

[0008] Preferably, the folding bottom plate is provided with a threaded hole, the column bottom plate is provided with a bolt hole matched with the threaded hole, and the column bottom plate and the folding bottom plate are fixed through the bolt.

[0009] Compared with the prior art, the utility model has the advantages that:

[0010] (1) The utility model discloses a steel ball is arranged in the bottom of the column, the round pipe is inserted into the column, the round hole on the lower end of the round plate of the round pipe is in contact with the steel ball, the steel ball and the round hole on the round plate form line contact, and the contact mode is changed from the surface contact of the traditional structure to the line contact, so that the frictional resistance of the round pipe in the column is greatly reduced when rotating relatively.

[0011] (2) The utility model discloses a rib plate is arranged between the round pipe and the cantilever, the lower part of the rib plate is provided with a round hole, one end of the rocker arm is provided with a U-shaped slot, the side of the U-shaped slot is provided with a through hole penetrating the U-shaped slot, the rocker arm is clamped on the rib plate through the U-shaped slot and is connected with the nut through the through hole on the side of the U-shaped slot and the round hole on the rib plate, when the cantilever needs to be rotated, the operator can rotate the rocker arm to the horizontal position around the bolt, and the rotation of the cantilever is realized through the pushing and pulling of the rocker arm.

[0012] (3) The utility model discloses a bolt hole is arranged on the column bottom plate, the lower surface of the column bottom plate is attached to the upper surface of the folding bottom plate, the folding bottom plate is provided with a threaded hole, the lower surface of the column bottom plate and the upper surface of the folding bottom plate are attached and are fixed through the bolt after being screwed, the column bottom plate and the folding bottom plate are provided with a hinge on the same side, one end of the hinge is connected with the column bottom plate, and the other end of the hinge is connected with the folding bottom plate, when the slurry pump is transported, the cantilever is rotated by 90 degrees around the A shaft, the running type ring chain electric hoist is moved to the arc-shaped notch in the rib plate and is fixed through the iron wire, then the fixing bolt on the column bottom plate is removed, and then the column bottom plate, the column, the steel ball, the round pipe, the round plate, the cantilever, the rib plate and the running type ring chain electric hoist are rotated slowly around the hinge on the side of the column bottom plate and are placed on the slurry pump, and the cantilever is fixed on the slurry pump through the iron wire, so that the effect that the cantilever does not need to be disassembled when the slurry pump is transported is realized.

[0013] (4) The utility model discloses a running type ring chain electric hoist is arranged on the cantilever and replaces the driven manual hoist, the running type ring chain electric hoist is controlled by the operating handle to realize the up and down movement and the movement along the cantilever of the hoisted part, the labor intensity of on-site manual operation is reduced, and the efficiency is improved.

[0014] (5) In summary, the utility model discloses simple manufacturing, low cost, small frictional resistance, convenient operation, good safety and convenient transportation. DRAWINGS

[0015] Figure 1The utility model discloses a structure schematic drawing of folding;

[0016] Figure 2 The utility model discloses a structure schematic drawing of folding;

[0017] Figure 3 The utility model discloses a structure schematic drawing of folding;

[0018] Figure 4 The utility model discloses a structure schematic drawing of folding.

[0019] Wherein, stand bottom plate 1, stand 2, steel ball 3, round pipe 4, round plate 5, round hole 6, cantilever 7, muscle plate 8, running type ring chain electric hoist 9, rocker arm 10, bolt 11, nut 12, bolt 13, bolt hole 14, round hole 15, U type slot 16, through -hole 17, folding bottom plate 18, hinge 19, screw hole 20. Specific implementation

[0020] Example 1

[0021] A novel five-cylinder mud pump cantilever crane, as shown in Figures 1-4 The bottom end of the stand bottom plate 1 is provided with a folding bottom plate 18, and the same side of the stand bottom plate 1 and the folding bottom plate 18 is provided with a hinge 19, one end of the hinge 19 is connected with the side surface of the stand bottom plate 1, and the other end of the hinge 19 is connected with the side surface of the folding bottom plate 18; the top end of the stand bottom plate 1 is vertically welded with a stand 2, the stand 2 is a hollow structure, the inside bottom of the stand 2 is provided with a steel ball 3, the stand 2 is penetrated with a round pipe 4, the round pipe 4 is welded with a round plate 5 at the bottom end of the stand 2, the round plate 5 is provided with a round hole 6 at the center, the round hole 6 is in contact with the upper end of the steel ball 3, and the lower end of the steel ball 3 is in contact with the stand bottom plate 1; the top end of the round pipe 4 is connected with a cantilever 7, and the round pipe 4 is provided with a muscle plate 8 between the round pipe 4 and the cantilever 7; the muscle plate 8 is matched with a rocker arm 10, one side of the rocker arm 10 is provided with a U type slot 16, the U type slot 16 is provided with a through -hole 17 at the side surface, and the bottom of the muscle plate 8 is provided with a round hole 15 matched with the upper through -hole of the U type slot 16; the cantilever 7 is provided with a running type ring chain electric hoist 9.

[0022] The upper part of the muscle plate 8 is provided with an arc type notch 21 matched with the running type ring chain electric hoist 9; the U type slot 16 on the rocker arm 10 is clamped at the bottom of the muscle plate 8, the round hole 15 at the bottom of the muscle plate 8 is penetrated with a bolt 11 on the through -hole 17 on the rocker arm 10, and the bolt 11 is matched with a nut 12; the folding bottom plate 18 is provided with a screw hole 20, the stand bottom plate 1 is provided with a bolt hole 14 matched with the screw hole 20, and the stand bottom plate 1 and the folding bottom plate 18 are fixed through a bolt 13.

[0023] Example 2

[0024] A novel five-cylinder mud pump cantilever crane, as shown in Figures 1-4As shown, including the column bottom plate 1, the column bottom plate 1 is provided with bolt hole 14, the lower surface of the column bottom plate 1 and the upper surface of the folding bottom plate 18 are attached, the folding bottom plate 18 is provided with threaded hole 20, the lower surface of the column bottom plate 1 and the upper surface of the folding bottom plate 18 are attached and fastened with bolt 13, the column bottom plate 1 and the folding bottom plate 18 are connected with hinge 19 on the same side, one end of the hinge 19 is connected with the side of the column bottom plate 1, the other end of the hinge 19 is connected with the side of the folding bottom plate 18, the upper surface of the column bottom plate 1 is connected with the lower end of the column 2 through welding, the inside bottom end of the column 2 is put into the steel ball 3, the column 2 is inserted into the round pipe 4, the lower end of the round pipe 4 is welded with the round plate 5, the center of the round plate 5 is provided with round hole 6, the upper part of the steel ball 3 is in contact with the round hole 6 on the round plate 5, the lower part of the steel ball 3 is in contact with the upper surface of the column bottom plate 1, the upper end of the round pipe 4 is connected with one end of the cantilever 7, the round pipe 4 and the cantilever 7 are provided with rib plate 8, the lower part of the rib plate 8 is provided with round hole 15, the upper part of the rib plate 8 is provided with circular arc type notch 21 matched with the running type ring chain electric hoist 9; one end of the rocker arm 10 is provided with U-shaped groove 16, the side of the U-shaped groove 16 is provided with through hole 17 penetrating the U-shaped groove 16, the rocker arm 10 is clamped on the rib plate 8 through the U-shaped groove 16 and connected with nut 12 after the bolt 11 penetrating the through hole 17 on the side of the U-shaped groove 16 and the round hole 15 on the rib plate 8, the cantilever 7 is provided with the running type ring chain electric hoist 9.

[0025] After the suspended object is lifted by the running type ring chain electric hoist 9, the up and down movement of the suspended object along the direction of the cantilever 7 is realized by controlling the handle, which can reduce the labor intensity of the on-site operator and improve the labor efficiency.

[0026] When the suspended object rotates around the column 2, the operator only needs to rotate the bolt 11 in the through hole 17 on the side of the U-shaped groove 16 installed at one end of the rocker arm 10 to the horizontal position, and the round pipe 4, the cantilever 7, the rib plate 8, the running type ring chain electric hoist 9 and the suspended object can rotate around the A axis in the column 2 by pushing and pulling the rocker arm 10; since the load of the suspended object acts on the contact line between the round hole 6 on the round plate 5 and the steel ball 3 through the cantilever 7, the friction resistance when rotating the cantilever 7 is extremely small at this time, which greatly reduces the thrust when rotating the cantilever 7.

[0027] When transporting the mud pump, only need to rotate the cantilever 7 around the A axis by 90 degrees, move the running type ring chain electric hoist 9 to the circular arc type notch 21 on the rib plate 8, remove the fixed bolt 13 on the column bottom plate 1, and then slowly place the column bottom plate 1, the column 2, the steel ball 3, the round pipe 4, the round plate 5, the cantilever 7, the rib plate 8 and the running type ring chain electric hoist 9 around the hinge 19 on the side of the column bottom plate 1 on the mud pump, which realizes the purpose of not disassembling the cantilever crane when transporting the mud pump.

Claims

1. A novel five-cylinder mud pump cantilever crane, characterized in that: The system includes a column base plate, with a folding base plate at its bottom. A hinge is located on the same side of both the column base plate and the folding base plate, with one end of the hinge connected to the side of the column base plate and the other end connected to the side of the folding base plate. A column is vertically welded to the top of the column base plate. The column has a hollow structure, with a steel ball at its bottom. A circular tube passes through the column, extending into the bottom of the column where a circular plate is welded. The circular plate has a central hole that contacts the upper end of the steel ball, while the lower end of the steel ball contacts the column base plate. A cantilever is connected to the top of the circular tube, and a stiffening plate is located between the circular tube and the cantilever. A rocker arm is fitted to the stiffening plate, with a U-shaped groove on one side of the rocker arm and a through hole on the side of the U-shaped groove. A circular hole at the bottom of the stiffening plate matches the through hole in the U-shaped groove. A running electric chain hoist is mounted on the cantilever.

2. The novel five-cylinder mud pump cantilever crane according to claim 1, characterized in that: The upper part of the stiffening plate has an arc-shaped notch that matches the running electric chain hoist.

3. The novel five-cylinder mud pump cantilever crane according to claim 2, characterized in that: The U-shaped groove on the rocker arm is engaged with the bottom of the stiffening plate. Bolts are inserted through the round hole at the bottom of the stiffening plate and the through hole on the rocker arm, and nuts are fitted on the bolts.

4. The novel five-cylinder mud pump cantilever crane according to claim 3, characterized in that: The folding base plate has threaded holes, and the column base plate has bolt holes that mate with the threaded holes. The column base plate and the folding base plate are fixed together by bolts.

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