CN217188264U

CN217188264U - Negative pressure drilling fluid vibrating screen

Info

Publication number: CN217188264U
Application number: CN202220045591.4U
Authority: CN
Inventors: 王磊; 赵辉; 史春满
Original assignee: Hebei Beizuan Petroleum Drilling And Production Equipment Co ltd
Current assignee: Hebei Beizuan Petroleum Drilling And Production Equipment Co ltd
Priority date: 2022-01-10
Filing date: 2022-01-10
Publication date: 2022-08-16
Anticipated expiration: 2032-01-10

Abstract

The utility model provides a negative pressure drilling fluid shale shaker, including the base, install the shale shaker frame in the base top and place at the inboard screen cloth of shale shaker frame, the both sides of base all are provided with the elevating system that the bottom is provided with moving mechanism, and the inboard of shale shaker frame is fixed the screen cloth through fixed establishment. This negative pressure drilling fluid shale shaker, through the bracing piece, the fixed plate, the cooperation of fixed column and fixing base is used, make the negative pressure drilling fluid shale shaker can drive the fixing base through rotating the fixed plate and directly carry on spacingly to the screen cloth, simultaneously through the pivot, the backup pad, the eccentric wheel, the worm wheel, the cooperation of support and worm is used, make the negative pressure drilling fluid shale shaker can drive eccentric wheel pair fixed plate through the rotation of worm and carry on spacingly, and then realize the spacing fixed to the screen cloth under the cooperation of eccentric wheel and fixed plate, and can form the auto-lock between worm wheel and the worm, make difficult production after the screen cloth is fixed not hard up, thereby the convenience is installed and is dismantled the screen cloth.

Description

Negative pressure drilling fluid vibrating screen

Technical Field

The utility model relates to a drilling fluid shale shaker field specifically discloses negative pressure drilling fluid shale shaker.

Background

The invented vibrating screen is suitable for single, double or triple connection of petroleum drilling fluid purification, and can also be used for bottom flow vibrating screen of mud cleaner. The drilling fluid vibrating screen has the advantages of high vibration strength, large screening area, adjustable screen box angle, compact structure and excellent performance, and is widely applied to the mud purification treatment fields of petroleum drilling, trenchless horizontal directional crossing, coal bed gas drilling, shale gas drilling, river sludge environmental protection and the like.

When screen cloth was in the installation and was dismantled among the current partial negative pressure drilling fluid shale shaker, need dismantle a plurality of bolts respectively, lead to the installation of screen cloth and dismantle very inconvenient, negative pressure drilling fluid shale shaker need use the loop wheel machine just can lift by crane the removal at the in-process that removes simultaneously, lead to the removal of negative pressure drilling fluid shale shaker very inconvenient.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned defects or deficiencies in the prior art, the present application aims to provide a negative pressure drilling fluid vibrating screen, which comprises a base, a vibrating screen frame installed above the base and a screen placed inside the vibrating screen frame, wherein both sides of the base are provided with lifting mechanisms with moving mechanisms at the bottoms, the inner side of the vibrating screen frame fixes the screen through a fixing mechanism, the vibrating screen frame is provided with a limiting mechanism at the outer side of the screen, the lifting mechanism comprises a fixing sleeve arranged at the outer side of the base, a fixing rod is sleeved inside the fixing sleeve, a hydraulic jack is fixedly installed at the top of the fixing rod, a limiting frame at the outer side of the hydraulic jack is arranged at the outer side of the top end of the fixing sleeve, the fixing mechanism comprises a supporting rod fixedly sleeved at the inner side of the vibrating screen frame, and the outer side of the supporting rod is rotatably connected with the fixing plate, the bottom of fixed plate is rotated through the fixed column and is connected with the fixing base of joint in the screen cloth outside, stop gear is including rotating the backup pad of connecting at the inboard pivot of shale shaker frame and shale shaker frame top, the both ends of pivot are fixed the eccentric wheel of joint in the fixed plate outside of being equipped with respectively, the fixed worm wheel that is equipped with of middle part of pivot, the middle part of backup pad is provided with the support that is located the pivot back, rotate between support and the backup pad and be connected with the outer worm along meshing mutually of worm wheel, the top of the both sides of screen cloth all is provided with the inclined plane, moving mechanism is including setting up the mount in the dead lever bottom, the both sides of mount rotate respectively and are connected with first gyro wheel and second gyro wheel.

Has the advantages that:

1. this negative pressure drilling fluid shale shaker, pass through the bracing piece, the fixed plate, the cooperation of fixed column and fixing base is used, make the negative pressure drilling fluid shale shaker can drive the fixing base through rotating the fixed plate and directly carry on spacingly to the screen cloth, simultaneously through the pivot, the backup pad, the eccentric wheel, the worm wheel, the cooperation of support and worm is used, make the negative pressure drilling fluid shale shaker can drive the eccentric wheel through the rotation of worm and to carry on spacingly to the fixed plate, and then realize spacing fixed to the screen cloth under the cooperation of eccentric wheel and fixed plate, and can form the auto-lock between worm wheel and the worm, make difficult production not hard up after the screen cloth is fixed, thereby the convenience is installed and is dismantled the screen cloth.

2. This negative pressure drilling fluid shale shaker uses through the cooperation of mount, first gyro wheel, second gyro wheel, fixed sleeve, dead lever, hydraulic jack and spacing for the negative pressure drilling fluid shale shaker can drive first gyro wheel and second gyro wheel through pressing down hydraulic jack and remove, and then with the jack-up of negative pressure drilling fluid shale shaker, so that remove it.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:

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

FIG. 2 is a side partial schematic view of the structure of the present invention;

fig. 3 is a schematic view of the moving mechanism of the present invention.

In the figure: 1. a base; 2. vibrating the screen frame; 3. screening a screen; 4. a moving mechanism; 41. a fixed mount; 42. A first roller; 43. a second roller; 5. a lifting mechanism; 51. fixing the sleeve; 52. a fixing rod; 53. A hydraulic jack; 54. a limiting frame; 6. a fixing mechanism; 61. a support bar; 62. a fixing plate; 63. fixing a column; 64. a fixed seat; 7. a limiting mechanism; 71. a rotating shaft; 72. a support plate; 73. an eccentric wheel; 74. A worm gear; 75. a support; 76. a worm.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

The embodiment of the utility model provides an in the attached drawing: the different types of hatching in the figures are not given the national standards, do not require the material of the elements, and distinguish between cross-sectional views of the elements in the figures.

Referring to fig. 1-3, the negative pressure drilling fluid vibrating screen includes a base 1, a vibrating screen frame 2 installed above the base 1, and a screen 3 placed inside the vibrating screen frame 2, wherein both sides of the base 1 are provided with lifting mechanisms 5 having a moving mechanism 4 at the bottom, the screen 3 is fixed inside the vibrating screen frame 2 through a fixing mechanism 6, and a limiting mechanism 7 is disposed outside the vibrating screen frame 2 located on the screen 3.

Wherein, elevating system 5 is including setting up the fixed sleeving 51 in the base 1 outside, and the inside cover of fixed sleeving 51 is equipped with dead lever 52, and the top fixed mounting of dead lever 52 has hydraulic jack 53, and the outside on fixed sleeving 51 top is provided with the spacing 54 that is located the hydraulic jack 53 outside.

Wherein, fixed establishment 6 is including fixed suit at the inboard bracing piece 61 of shale shaker frame 2, and the outside of bracing piece 61 is rotated and is connected with fixed plate 62, and the bottom of fixed plate 62 is rotated through fixed column 63 and is connected with the fixing base 64 of joint in the screen cloth 3 outside.

Wherein, stop gear 7 is including rotating the backup pad 72 of connecting at the inboard pivot 71 of shale shaker frame 2 and shale shaker frame 2 top, the eccentric wheel 73 of joint in the fixed plate 62 outside is fixed to the cover respectively in the both ends of pivot 71, the fixed cover in middle part of pivot 71 is equipped with worm wheel 74, the middle part of backup pad 72 is provided with the support 75 that is located the pivot 71 back, it is connected with the outer worm 76 of following engaged with worm wheel 74 to rotate between support 75 and the backup pad 72, it is spacing to fixed plate 62 to utilize eccentric wheel 73 to carry out spacing accessible eccentric wheel 73's rotation contact when can be to fixed plate 62, make the dismantlement and the installation of screen cloth 3 more convenient.

Wherein, the top of the both sides of screen cloth 3 all is provided with the inclined plane, utilizes the inclined plane can prevent that screen cloth 3 from producing the removal after fixed.

The moving mechanism 4 includes a fixing frame 41 disposed at the bottom of the fixing rod 52, and a first roller 42 and a second roller 43 are rotatably connected to two sides of the fixing frame 41, respectively.

When the screen mesh 3 is installed, the screen mesh 3 is placed on the inner side of the screen mesh 3, the fixing base 64 is clamped on two sides of the screen mesh 3 by rotating the fixing plate 62, the worm 76 is rotated to drive the worm wheel 74 and the rotating shaft 71 to rotate, the rotating shaft 71 rotates and simultaneously drives the eccentric wheel 73 to rotate, the eccentric wheel 73 rotates and simultaneously extrudes the fixing plate 62, the fixing plate 62 is limited by the eccentric wheel 73, and the screen mesh 3 is fixed on the inner side of the vibrating screen frame 2.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. Negative pressure drilling fluid shale shaker includes base (1), installs shale shaker frame (2) in base (1) top and places screen cloth (3) at shale shaker frame (2) inboard, its characterized in that: the vibrating screen is characterized in that lifting mechanisms (5) of which the bottoms are provided with moving mechanisms (4) are arranged on two sides of the base (1), the inner side of the vibrating screen frame (2) is fixed to the screen (3) through fixing mechanisms (6), limiting mechanisms (7) are arranged on the outer side, located on the screen (3), of the vibrating screen frame (2), each lifting mechanism (5) comprises a fixing sleeve (51) arranged on the outer side of the base (1), a fixing rod (52) is sleeved inside the fixing sleeve (51), a hydraulic jack (53) is installed at the top of the fixing rod (52), a limiting frame (54) located on the outer side of the hydraulic jack (53) is arranged on the outer side of the top end of the fixing sleeve (51), each fixing mechanism (6) comprises a supporting rod (61) sleeved on the inner side of the vibrating screen frame (2), and a fixing plate (62) is rotatably connected to the outer side of the supporting rod (61), the bottom end of the fixed plate (62) is rotatably connected with a fixed seat (64) which is clamped on the outer side of the screen (3) through a fixed column (63), the limiting mechanism (7) comprises a rotating shaft (71) which is rotatably connected on the inner side of the vibrating screen frame (2) and a supporting plate (72) which is arranged at the top of the vibrating screen frame (2), two ends of the rotating shaft (71) are respectively sleeved with an eccentric wheel (73) which is clamped on the outer side of the fixed plate (62), the middle part of the rotating shaft (71) is sleeved with a worm wheel (74), the middle part of the supporting plate (72) is provided with a bracket (75) which is arranged at the back of the rotating shaft (71), a worm (76) which is meshed with the outer edge of the worm wheel (74) is rotatably connected between the bracket (75) and the supporting plate (72), the tops of two sides of the screen (3) are both provided with inclined planes, the moving mechanism (4) comprises a fixed frame (41) which is arranged at the bottom of the fixed rod (52), the two sides of the fixed frame (41) are respectively and rotatably connected with a first roller (42) and a second roller (43).