Preparation method of counterweight device of novel tower type pumping unit

Abstract

The invention relates to the technical field of petroleum equipment, and provides a preparation method of a counterweight device of a novel tower type pumping unit, which comprises the following steps: step 1, firstly, obtaining a raw material for preparing a cementing substance and a raw material as a core material for weight increment; 2, the core material raw material obtained after weight increasing in the step 1 is cut into n identical and uniform core materials, the n identical and uniform core materials are weighed, and the n identical core materials are ground to be identical in mass for standby application; step 3; 2, mixing the raw materials obtained in the step 1 to prepare a cementing substance for later use; and 4, injecting the cementing substance prepared in the step 3 into a cavity of a mold, and putting the core material prepared in the step 2 into the cavity of the mold injected with the cementing substance. When in use, the tower type pumping unit can be manually carried or carried by holding a special tool, the balancing weights are added into the weight box or reduced from the weight box, the balance adjustment of the tower type pumping unit is realized, and the operation is convenient.

Description

Technical Field

[0001] The invention relates to the technical field of petroleum equipment, in particular to a method for preparing a counterweight device of a novel tower-type oil pumping unit. Background Art

[0002] Mechanical oil recovery equipment is widely used in secondary oil recovery and beyond. The most widely used mechanical oil recovery equipment in the world is mainly beam pumping units. Beam pumping units have always been the main lifting equipment in the oil field development process due to their ruggedness and durability. However, due to their own four-bar structure, the energy consumption of this lifting equipment is always high. Although various energy-saving measures have been taken, the effect is not very obvious. The development and application of a new energy-saving lifting process technology is becoming more and more a trend. After a certain period of testing, the new tower pumping unit has gradually demonstrated its advantages such as strong adaptability, low lifting energy consumption, and convenient management, and has become an increasingly important choice to replace beam pumping units.

[0003] The tower type oil pumping unit is mainly composed of the main tower, belt, counterweight system, upper platform (including motor), power distribution device, etc. One set of belts is connected to the counterweight system through belt clamps, and the other set of belts is connected to the light rod through a rope hanger. Its basic working principle is: the motor starts, and the power is transmitted to the drum through the transmission chain. The drum drives the belt, the counterweight system goes down, and together drives the light rod up; after reaching the preset stroke, the motor reverses, and the motor and the light rod drive the belt together to drive the counterweight system to move upward. After reaching the preset stroke, the motor reverses again. In this way, an up and down stroke is completed. The cycle is repeated to achieve lifting.

[0004] The counterweight system consists of a counterweight box and a counterweight block. The counterweight block is a pure iron single block design, which is convenient for manual addition and subtraction, and convenient for adjusting the weight of the counterweight system. The size of a single counterweight block is 250mm×100mm×50mm, and the mass is 9.825 kg. Because the counterweight block is made of pure iron material, it is easy to be stolen. This not only affects the balance adjustment work, but also damages the interests of the enterprise. For this reason, it is necessary to redesign the counterweight block to prevent theft. It is planned to use non-ferrous materials to make the counterweight block. Summary of the invention

[0005] In view of the shortcomings of the prior art, the present invention provides a novel method for preparing a counterweight device for a tower-type oil pumping unit, which solves the problem that the counterweight block is made of pure iron material and is therefore easily stolen, which not only affects the balance adjustment work but also damages the interests of the enterprise.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: A method for preparing a new type of counterweight device for a tower-type oil pumping unit, comprising the following steps:

[0007] Step 1:

[0008] Firstly, raw materials for preparing the cementing substance and raw materials for the core material for weight gain are obtained;

[0009] Step 2:

[0010] Cut the core material raw material increased in weight in step 1 into n equal and uniform core materials, weigh them, and grind them to make the n equal parts of core materials have the same mass for future use;

[0011] Step 3:

[0012] Mixing the raw materials obtained in step 1 to prepare a cementing material for later use;

[0013] Step 4:

[0014] The binder prepared in step three is injected into the cavity of the mold, and then the core material prepared in step two is placed into the mold cavity filled with the binder, and finally the counterweight block of the oil pump is formed.

[0015] Preferably, the raw materials for preparing the binder in step 1 are lime and clay.

[0016] Preferably, the core material used for weight gain in step 1 is waste iron rods.

[0017] Preferably, the core material prepared in step 2 has a diameter of 98 to 102 mm and a length of 98 to 102 mm.

[0018] Preferably, the specific operation steps in step three are:

[0019] a. First, inject 25% to 30% of the volume of the cementing material into the mold;

[0020] b. The prepared core material is evenly placed in the mold cavity filled with a binder, during which a wire mesh is laid before and after the core material is placed;

[0021] c. Inject 60% to 65% of the volume of the binder into the mold.

[0022] Preferably, in step three, three core materials are placed in the mold cavity and are evenly distributed in the mold cavity.

[0023] Preferably, the pumping unit counterweight block finally formed in step three has an outer dimension of 330 mm×130 mm×130 mm and a rectangular shape with a single block mass of 13 to 13.5 kg.

[0024] Preferably, the counterweight block comprises a scrap iron rod, the outer wall of the scrap iron rod is provided with a wire mesh, the scrap iron rod and the wire mesh are both located inside the filler and are integrally cast.

[0025] Preferably, the number of the waste iron rods is three and they are evenly distributed inside the filler.

[0026] The present invention provides a method for preparing a novel counterweight device for a tower-type oil pumping unit, which has the following beneficial effects:

[0028] The counterweight blocks provided by the present invention can be carried manually or by hand with special tools when in use, and counterweight blocks can be added to or removed from the counterweight box to achieve balance adjustment of the tower type oil pumping unit, which is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 A perspective view of the present invention;

[0030] Figure 2 It is a schematic diagram of the present invention.

[0031] Among them, 1. Filling material; 2. Wire mesh; 3. Scrap iron rods. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] Example:

[0034] Please see attached Figure 1 - Attachment Figure 2 The embodiment of the present invention provides a method for preparing a novel counterweight device of a tower-type oil pumping unit, which is characterized by comprising the following steps:

[0035] Step 1:

[0036] Firstly, raw materials for preparing the cementing substance and raw materials for the core material for weight gain are obtained;

[0037] Step 2:

[0038] Cut the core material raw material increased in weight in step 1 into n equal and uniform core materials, weigh them, and grind them to make the n equal parts of core materials have the same mass for future use;

[0039] Step 3:

[0040] Mixing the raw materials obtained in step 1 to prepare a cementing material for later use;

[0041] Step 4:

[0042] The cementing substance prepared in step 3 is injected into the cavity of the mold, and then the core material prepared in step 2 is placed into the cavity of the mold filled with the cementing substance, and finally the counterweight block of the pumping unit is formed, which is a rectangular parallelepiped with an outer dimension of 330mm×130mm×130mm and a single block mass of 13.3 kg. When used, it can be carried manually or with special hand-held tools, and the counterweight blocks can be added to or removed from the counterweight box to achieve the balance adjustment of the tower-type pumping unit, which is easy to operate.

[0043] The raw materials for preparing the cementing material in step 1 are lime and clay;

[0044] Specifically, lime and clay are mixed, water is added and stirred thoroughly to make a mixture similar to cement.

[0045] In step 1, the core material used for weight gain is waste iron filings.

[0046] The core material prepared in step 2 has a diameter of 98 to 102 mm and a length of 98 to 102 mm;

[0047] Specifically, a scrap iron rod with a diameter of 100 mm is cut into small units with a height of 100 mm.

[0048] The specific steps in step three are:

[0049] a. First, inject 25% to 30% of the volume of the cementing material into the mold;

[0050] b. The prepared core material is evenly placed in the mold cavity filled with a binder, during which a wire mesh is laid before and after the core material is placed;

[0051] c. Inject 60% to 65% of the volume of the cementing material into the mold;

[0052] Specifically, iron filings are evenly arranged in the mold, a mixture similar to cement is added into the mold, and the mold is removed after it solidifies slightly until it solidifies completely. The thorns on the edges and corners of the counterweight are polished by machine, and a qualified counterweight is completed.

[0053] In step three, three core materials are placed in the mold cavity and are evenly distributed in the mold cavity.

[0054] The final counterweight block of the pumping unit formed in step three has a rectangular shape with an outer dimension of 330 mm×130 mm×130 mm and a single block mass of 13 to 13.5 kg.

[0055] The counterweight block includes a waste iron rod 3, the outer wall of the waste iron rod 3 is provided with a wire mesh 2, the waste iron rod 3 and the wire mesh 2 are both located inside the filling material 1 and are integrally cast.

[0056] The number of the waste iron rods 3 is three and they are evenly distributed inside the filler 1;

[0057] Specifically, when in use, it can be carried manually or with special handheld tools, and counterweight blocks can be added to or removed from the counterweight box to achieve balance adjustment of the tower-type oil pumping unit, which is easy to operate.

[0058] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A method for preparing a novel counterweight device for a tower-type oil pumping unit, characterized in that: The following steps are involved: Step 1: Firstly, raw materials for preparing the cementing substance and raw materials for the core material for weight gain are obtained; Step 2: Cut the core material raw material increased in weight in step 1 into n equal and uniform core materials, weigh them, and grind them to make the n equal parts of core materials have the same mass for future use; Step 3: Mixing the raw materials obtained in step 1 to prepare a cementing material for later use; Step 4: The binder prepared in step three is injected into the cavity of the mold, and then the core material prepared in step two is placed into the mold cavity filled with the binder, and finally the counterweight block of the oil pump is formed.

2. The method for preparing a novel counterweight device for a tower-type oil pumping unit according to claim 1, characterized in that: The raw materials for preparing the cementitious material in step 1 are lime and clay.

3. The method for preparing a novel counterweight device for a tower-type oil pumping unit according to claim 1, characterized in that: In the step 1, the core material used for weight gain is waste iron filings.

4. The method for preparing a novel counterweight device for a tower-type oil pumping unit according to claim 3 is characterized in that: The core material prepared in step 2 has a diameter of 98 to 102 mm and a length of 98 to 102 mm.

5. The method for preparing a novel counterweight device for a tower-type oil pumping unit according to claim 1, characterized in that: The specific operation steps in step three are: a. First, inject 25% to 30% of the volume of the cementing material into the mold; b. The prepared core material is evenly placed in the mold cavity filled with a binder, during which a wire mesh is laid before and after the core material is placed; c. Inject 60% to 65% of the volume of the binder into the mold.

6. The method for preparing a novel counterweight device for a tower-type oil pumping unit according to claim 1, characterized in that: In the step three, three core materials are placed in the mold cavity and are evenly distributed in the mold cavity.

7. The method for preparing a novel counterweight device for a tower-type oil pumping unit according to claim 1, characterized in that: The counterweight block of the oil pumping unit finally formed in the step 3 has an outer dimension of 330 mm×130 mm×130 mm and a rectangular shape with a single block mass of 13 to 13.5 kg.

8. The method for preparing a novel counterweight device for a tower-type oil pumping unit according to claim 1, characterized in that: The counterweight block comprises a waste iron rod (3), the outer wall of the waste iron rod (3) is provided with a wire mesh (2), and the waste iron rod (3) and the wire mesh (2) are both located inside the filler (1) and are integrally cast.

9. The method for preparing a novel counterweight device for a tower-type oil pumping unit according to claim 8, characterized in that: The number of the waste iron rods (3) is three and they are evenly distributed inside the filler (1).

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