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Tractor tower type pumping unit device

A technology of pumping unit and tractor, which is applied in the fields of mining fluid, wellbore/well components, earthwork drilling and production, etc. It can solve problems such as difficulties and heavy weight of the counterweight box, and achieve the effect of compact structure and stable operation

Inactive Publication Date: 2010-11-17
周生祥
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] 1. First, it is very difficult to achieve a super long stroke (such as 10-20m);
[0004] 2. The second is that the weight of the counterweight box is too heavy. For example, the weight of the counterweight box is 8.5 to 10 tons for the existing tower pumping unit with a suspension point load of 12 tons;

Method used

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  • Tractor tower type pumping unit device
  • Tractor tower type pumping unit device
  • Tractor tower type pumping unit device

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Embodiment Construction

[0022] Accompanying drawing is embodiment of the present invention.

[0023] The content of the present invention will be further described below in conjunction with the accompanying drawings.

[0024] figure 1 , 2 , 4 and 5, the tractor assembly 11 is composed of a three-phase asynchronous motor 16, a speed reducer 20, a brake 17, a counterweight box 14 and a guide wheel assembly 13, and the three-phase asynchronous motor 16, the speed reducer 20, and the brake 17 are all fixedly connected On the counterweight box 14, four guide wheel assemblies 13 are respectively installed on the left and right sides of the tractor assembly 11, and the four guide wheels 13 roll on the flat guide rails 6 on both sides.

[0025] Figure 1 to Figure 7 As shown, the chain 2 bypasses the two sprocket assemblies 1 in turn, and the sprockets of the chain 2 mesh with the teeth of the two sprocket assemblies 1 respectively, and the two sprocket assemblies 1 are respectively fixed on the frame 8 b...

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Abstract

The invention discloses a tractor tower type pumping unit device. A tractor assembly consists of a three-phase asynchronous motor, a speed reducer, a brake, a weight box and a guiding wheel assembly. The three-phase asynchronous motor drives two driving gears to rotate through the speed reducer; and the two driving gears are respectively engaged with two rack rails and purely roll on the gears so as to drive the whole tractor assembly to reciprocate up and down along a horizontal guide rail. The tractor assembly pulls a pumping rod to reciprocate up and down in a pumping unit through a chain, and the pumping rod ascends to be in a pumping stroke and descends to be in an idle stroke. The invention provides a pumping unit product which can realize an overlong stroke and greatly save the counterweight. The pumping unit device has the advantages of compact structure and stable operation, and realizes the overlong stroke of 10 to 20m. The weight of the motor and speed reducer acts as a part of counterweight. For example, a tractor tower type pumping unit with the suspension point load of 12 tons can save the counterweight of 4 to 5 tons and is widely applied to oil production.

Description

technical field [0001] The invention relates to the field of oil extraction pumping units, in particular to a tractor tower type pumping unit device. Background technique [0002] The existing tower pumping unit product mainly has the following defects: [0003] 1. First, it is very difficult to achieve a super long stroke (such as 10-20m); [0004] 2. The second is that the weight of the counterweight box is too heavy. For example, the weight of the counterweight box is 8.5 to 10 tons for the existing tower pumping unit with a suspension point load of 12 tons; Contents of the invention [0005] The purpose of the present invention is to provide a tractor tower pumping unit with compact structure, stable operation, super long stroke and a part of counterweight reduction. [0006] In order to overcome the deficiencies in the prior art, the technical solution of the present invention is to solve in this way: a kind of tractor tower pumping unit device, by tractor assembly,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B43/00
Inventor 周生祥
Owner 周生祥
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