Handheld mud scraper

Abstract

The utility model belongs to the technical field of mud scrapers, and particularly relates to a handheld mud scraper which comprises a left side chuck and a right side chuck rotationally connected to one side of the left side chuck, a locking mechanism is arranged on one side of the left side chuck, a cleaning mechanism is arranged on one side of the right side chuck, and the locking mechanism comprises a check block, a limiting column, a limiting groove, a spring, a clamping plate and a clamping block. The cleaning mechanism comprises a sliding block, a rubber and plastic scraper blade and a sliding groove. According to the handheld mud scraper, when a drill rod or an oil pipe is slowly taken up from a borehole, an operator opens a mud scraper chuck, holds a mud scraper holding handle with two hands and holds a double-layer double-side full-surrounding rubber and plastic mud scraping piece on the drill rod or the oil pipe, and meanwhile, the double mud scraping effect is achieved through the ascending force of the drill rod or the oil pipe; through unique double-layer design and material selection, double mud scraping can be performed on the pipe body, so that the surface of the pipe body can be cleaned more cleanly, and attachments on the outer side of the drilling pipe body can be cleaned quickly and efficiently.

Description

Technical Field

[0001] The utility model relates to the technical field of mud scrapers, in particular to a handheld mud scraper. Background Art

[0002] The new outer casing tubing scraper is designed to remove mud, grit, and oil from the outside of the drill pipe during completion operations. Oil drilling operations frequently require tripping the drill pipe from the wellbore and placing it in the derrick stand box. The surface of the drill pipe removed from the wellbore is covered in mud. If the mud is not removed before placing the drill pipe in the stand box, it will cause extensive mud contamination and corrosion on the well site, derrick, and drill pipe, and result in significant mud waste.

[0003] The existing mechanical scraper has its limitations. In many special working conditions, the mechanical scraper is not applicable to the drilling operation. At this time, a handheld drill scraper must be used. When using a general simple scraper, the mud can easily flow along the rod wall into the hands of the workers, wetting their hands and causing inconvenience.

[0004] In the patent document with announcement number CN207813583U, a handheld drill scraper is disclosed that uses a scraping strip and is provided with a mud inlet hole and a drainage plate at the front end of the handle. It has a simple structure, light weight, and is easy to use. It can effectively remove mud from the outer wall of the drill tool while protecting the operator's hands from being soaked in mud.

[0005] However, when using the handheld drill tool scraper, the hands are covered with an anti-drop tail rope to prevent the handle from falling and control the scraping bar to scrape the mud. The scraping effect of the scraping bar is general and the cleaning is not thorough enough. Therefore, a handheld scraper with double scraping function is needed. Utility Model Content

[0006] The purpose of the utility model is to provide a handheld mud scraper to solve the problem of drilling tool mud scraping proposed in the above background technology.

[0007] To achieve the above-mentioned object, the present invention provides the following technical solution: a handheld mud scraper, comprising a left chuck and a right chuck rotatably connected to one side of the left chuck, wherein one side of the left chuck is provided with a locking mechanism, and one side of the right chuck is provided with a cleaning mechanism;

[0008] The locking mechanism includes a block, a limiting column, a limiting groove, a spring, a clamping plate and a clamping block. The block is fixedly connected to one side of the left chuck, the limiting column is fixedly connected to one side of the block, the limiting groove is opened on the outer surface of the limiting column, the spring is movably connected to the outside of the limiting column, spring washers are provided on both sides of the spring to prevent the spring from loosening, the clamping plate is provided on one side of the block, and the clamping block is fixedly connected to one side of the right chuck.

[0009] Preferably, the cleaning mechanism includes a slider, a rubber-plastic scraper and a slide groove, the slide groove is opened on the inner wall of the right chuck, the slider is slidably connected to the inner wall of the slide groove, and the rubber-plastic scraper is fixedly connected to one side of the slider.

[0010] Preferably, a rubber-plastic scraper is provided between the left chuck and the right chuck, and the rubber-plastic scraper is connected to the left chuck and the right chuck by bolts, and a gripping handle is fixedly connected to one side of the left chuck.

[0011] Preferably, the rubber-plastic scraper blade is configured as a double-layer, double-sided fully enclosed type, and the left and right sides of the upper layer of the rubber-plastic scraper blade are respectively fixedly connected to the top of the inner wall of the left chuck and the right chuck, and the left and right sides of the lower layer of the rubber-plastic scraper blade are respectively fixedly connected to the bottom of the inner wall of the left chuck and the right chuck.

[0012] Preferably, a protrusion that cooperates with the limiting groove is provided on one side of the card plate to limit the position when the card plate moves.

[0013] Preferably, both sides of the rubber-plastic scraper are arranged as inclined surfaces, and when the rubber-plastic scraper is scraping mud, the inclined surfaces can improve the efficiency of scraping mud.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] 1. When the drill pipe or tubing is slowly taken up from the wellbore, the operator opens the scraper chuck, holds the scraper handle tightly with both hands, and holds the double-layer, double-sided, fully surrounded rubber-plastic scraper on the drill pipe or tubing. At the same time, the rising force of the drill pipe or tubing is used to form a double scraping effect. Through the unique double-layer design and material selection, the pipe body can be scraped twice, so that the pipe surface can be cleaned more cleanly, and the attachments on the outside of the drilling pipe body can be cleaned quickly and efficiently.

[0016] 2. The handheld scraper can scrape the inner wall of the scraper itself through the cleaning mechanism, avoiding sludge remaining on the inner wall of the scraper for a long time, which is difficult to handle after drying and corrodes the inner wall of the scraper. The locking mechanism can fix and lock the chucks on both sides when scraping, so that the scraper position can be kept stable during scraping. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the expanded structure of the utility model;

[0019] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0020] Figure 4 It is a schematic diagram of the internal structure of the utility model.

[0021] In the figure: 1. left chuck; 2. right chuck; 3. gripping handle; 4. rubber-plastic scraper; 101. stopper; 102. limiting column; 103. limiting groove; 104. spring; 105. clamping plate; 106. clamping block; 201. slider; 202. rubber-plastic scraper; 203. slide groove. DETAILED DESCRIPTION

[0022] 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 embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0023] See also Figures 1-4 , the utility model provides a technical solution:

[0024] Example 1:

[0025] A handheld mud scraper comprises a left chuck 1 and a right chuck 2 rotatably connected to one side of the left chuck 1, wherein a locking mechanism is provided on one side of the left chuck 1;

[0026] The locking mechanism includes a block 101, a limiting post 102, a limiting groove 103, a spring 104, a clamping plate 105, and a clamping block 106. The block 101 is fixedly connected to one side of the left chuck 1, the limiting post 102 is fixedly connected to one side of the block 101, the limiting groove 103 is provided on the outer surface of the limiting post 102, the spring 104 is movably connected to the outside of the limiting post 102, and spring washers are provided on both sides of the spring 104 to prevent the spring 104 from loosening. The clamping plate 105 is provided on one side of the block 101, and a protrusion is provided on one side of the clamping plate 105 that cooperates with the limiting groove 103 to limit the position when the clamping plate 105 moves. The clamping block 106 is fixedly connected to one side of the right chuck 2. Mud will inevitably remain inside the left and right chucks 1 and 2. At this time, the slider 201 can be moved back and forth along the slide groove 203, and the rubber scraper 202 can scrape the mud off the inner wall of the right chuck 2.

[0027] Example 2:

[0028] On the basis of the first embodiment, a cleaning mechanism is provided on one side of the right chuck 2, comprising a slider 201, a rubber scraper 202 and a chute 203. The chute 203 is provided on the inner wall of the right chuck 2, the slider 201 is slidably connected to the inner wall of the chute 203, the rubber scraper 202 is fixedly connected to one side of the slider 201, and both sides of the rubber scraper 202 are provided with inclined surfaces. When the rubber scraper 202 scrapes mud, the inclined surfaces can improve the efficiency of scraping mud. After the rubber scraper 4 is gripped on the drill pipe or oil pipe, the clamping plate 105 is pulled open, and the spring 104 is compressed. Then, the left chuck 1 and the right chuck 2 are completely combined and tightened. After the spring 104 is compressed, its own restoring force generates a rebound force on the clamping plate 105, causing the clamping plate 105 to rebound to its initial position. The clamping plate 105 is released and clamped to the side of the clamping block 106, and the left chuck 1 and the right chuck 2 are clamped after being combined.

[0029] Example 3:

[0030] Based on the second embodiment, a rubber-plastic scraper 4 is provided between the left chuck 1 and the right chuck 2. The rubber-plastic scraper 4 is bolted to the left and right chucks 1 and 2, and a gripping handle 3 is fixedly connected to one side of the left chuck 1. The rubber-plastic scraper 4 is configured as a double-layer, double-sided, fully enclosed structure. The upper left and right sides of the rubber-plastic scraper 4 are respectively fixedly connected to the top of the inner wall of the left chuck 1 and the right chuck 2, while the lower left and right sides of the rubber-plastic scraper 4 are respectively fixedly connected to the bottom of the inner wall of the left chuck 1 and the right chuck 2. When the drill pipe or oil pipe is slowly removed from the wellbore, the operator opens the scraper chucks, grips the gripping handles 3 on both sides with both hands, and holds the rubber-plastic scraper 4 on the drill pipe or oil pipe. Simultaneously, the upward force of the drill pipe or oil pipe is utilized to achieve a double scraping effect. Through the unique double-layer design and material selection, the pipe body can be scraped twice, making the pipe body surface cleaner.

[0031] Working principle:

[0032] First, when the drill pipe or oil pipe is slowly taken up from the wellbore, the operator opens the scraper chuck, holds the handles 3 on both sides with both hands, holds the rubber scraper 4 on the drill pipe or oil pipe, and uses the rising force of the drill pipe or oil pipe to form a double scraping effect.

[0033] Furthermore, through the cleaning mechanism, after the work is completed, silt will inevitably remain inside the left chuck 1 and the right chuck 2. At this time, the slider 201 can be moved back and forth along the slide groove 203, and the rubber scraper 202 can be used to scrape off the silt on the inner wall of the right chuck 2.

[0034] Furthermore, through the provided locking mechanism, after the rubber-plastic scraper 4 is gripped on the drill pipe or oil pipe, the clamping plate 105 is pulled open, and the spring 104 is compressed at this time, and then the left chuck 1 and the right chuck 2 are completely combined and tightened. After the spring 104 is compressed, under the action of its own restoring force, a rebound force is generated on the clamping plate 105, causing the clamping plate 105 to rebound to its initial position, and the clamping plate 105 is released and clamped to one side of the clamping block 106, and the left chuck 1 and the right chuck 2 are clamped after being combined.

[0035] Furthermore, the rubber-plastic scraper 4 is divided into left and right sides and upper and lower layers, so as to perform double-layer scraping on the drill pipe or the oil pipe.

[0036] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a..." does not exclude the presence of additional identical elements in the process, method, article, or device comprising the element.

Claims

1. A handheld mud scraper, comprising a left chuck (1) and a right chuck (2) rotatably connected to one side of the left chuck (1), characterized in that: A locking mechanism is provided on one side of the left chuck (1), and a cleaning mechanism is provided on one side of the right chuck (2); The locking mechanism comprises a stopper (101), a limiting column (102), a limiting groove (103), a spring (104), a clamping plate (105) and a clamping block (106); the stopper (101) is fixedly connected to one side of the left chuck (1); the limiting column (102) is fixedly connected to one side of the stopper (101); the limiting groove (103) is provided on the outer surface of the limiting column (102); the spring (104) is movably connected to the outside of the limiting column (102); the clamping plate (105) is arranged on one side of the stopper (101); and the clamping block (106) is fixedly connected to one side of the right chuck (2).

2. A handheld mud scraper according to claim 1, characterized in that: The cleaning mechanism comprises a slider (201), a rubber-plastic scraper (202) and a slide groove (203); the slide groove (203) is opened on the inner wall of the right clamping disc (2); the slider (201) is slidably connected to the inner wall of the slide groove (203); and the rubber-plastic scraper (202) is fixedly connected to one side of the slider (201).

3. The handheld mud scraper according to claim 1, characterized in that: A rubber-plastic scraper (4) is provided between the left chuck (1) and the right chuck (2), and a gripping handle (3) is fixedly connected to one side of the left chuck (1).

4. A handheld mud scraper according to claim 3, characterized in that: The rubber-plastic scraper blade (4) is configured as a double-layer, double-sided, fully enclosed type. The left and right sides of the upper layer of the rubber-plastic scraper blade (4) are respectively fixedly connected to the top of the inner wall of the left chuck (1) and the right chuck (2). The left and right sides of the lower layer of the rubber-plastic scraper blade (4) are respectively fixedly connected to the bottom of the inner wall of the left chuck (1) and the right chuck (2).

5. The handheld mud scraper according to claim 1, characterized in that: A protrusion that cooperates with the limiting groove (103) is provided on one side of the clamping plate (105).

6. The handheld mud scraper according to claim 2, characterized in that: Both sides of the rubber-plastic scraper (202) are arranged as inclined surfaces.

Images