Grading material crushing equipment for well cementation

Abstract

The utility model discloses grading material crushing equipment for well cementation, which belongs to the technical field of oil field well cementation chemical production equipment, aims at solving the problem that a crushing mechanism is poor in effect, and comprises a feeding box and a crushing bin, an opening is formed in the bottom of the feeding box, and a driving motor is fixed on one side of the outer wall of the feeding box. A first rotating rod is fixed to the driving end of the driving motor, a first smashing roller is fixed to the outer wall of the first rotating rod, a bidirectional rotating mechanism is arranged at the other end of the first rotating rod, a feeding port is formed in the top end of the smashing bin, a driving rod is rotationally installed at the center of the smashing bin, and a plurality of smashing blades are fixed to the outer wall of the driving rod in parallel. Rotating discs are fixed to the two sides of the outer wall of the driving rod. According to the well cementation grading material crushing device, the bidirectional rotating mechanism, the driving motor, the driving gear, the driven gear, the first crushing roller, the second crushing roller and the rolling piece are matched for operation, so that the grading material for well cementation can be preliminarily crushed, and the crushing effect is excellent.

Description

Technical Field

[0001] The utility model belongs to the technical field of oilfield well cementing chemical production equipment, and in particular relates to a graded material crushing equipment for cementing. Background Art

[0002] At present, the leakage-proofing agents used for cementing in leaky formations in China are generally composed of low-density systems and short fibers of different sizes and different elastic moduli. The leakage-proofing agents used for cementing in the existing technology require that the leakage-proofing materials have a certain size and graded distribution, as well as different elastic moduli, under the premise of ensuring the flow performance. Its purpose is to: help clean the wellbore and increase the shear stress of the annular flow wall during the mud pumping process to improve the displacement efficiency; during the cement slurry displacement process, fiber materials of different sizes can enter the cracks of different sizes in the leaky formation and bridge to form a network, increase the flow resistance of the leaking cement slurry, and achieve the purpose of plugging.

[0003] Existing production equipment requires that various raw materials of cementing leak-proof agent be mixed evenly in advance, and then fed from the feed port. The raw materials are processed into fine particles of different sizes by the pressure rollers. The raw materials need to be mixed and crushed in advance, but the existing crushing mechanism has poor effect. Most of them use a single drive end and crushing knife blades for stirring, which further leads to poor crushing efficiency.

[0004] Therefore, a graded material crushing device for cementing is needed to solve the problem of poor crushing effect of the existing technology. Utility Model Content

[0005] The utility model aims to provide a graded material crushing device for cementing to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a graded material crushing device for cementing, comprising a feed box and a crushing bin, the bottom of the feed box is provided with an opening, a driving motor is fixed to one side of the outer wall of the feed box, a first rotating rod is fixed to the driving end of the driving motor, a first crushing roller is fixed to the outer wall of the first rotating rod, and a bidirectional rotating mechanism is provided at the other end of the first rotating rod;

[0007] A feed port is provided at the top of the crushing bin, an active rod is rotatably installed at the center of the crushing bin, a plurality of crushing blades are fixed to the outer wall of the active rod in parallel, rotating disks are fixed on both sides of the outer wall of the active rod, connecting rods are fixed on the opposite sides of the rotating disk in a circumferential distribution, a plurality of crushing thorns distributed in parallel are fixed to the outer wall of the connecting rod, and a transmission mechanism is provided at one end of the active rod.

[0008] It should be noted that the bidirectional rotation mechanism includes a driving gear, the center of which is fixed to one end of the first rotating rod, and the outer wall of the driving gear is meshedly connected with a driven gear.

[0009] It is further worth mentioning that a second rotating rod is fixed at the center of the driven gear, a second crushing roller is fixed to the outer wall of the second rotating rod, and the outer walls of the second crushing roller and the first crushing roller are both fixed with circumferentially distributed and mutually staggered rolling parts.

[0010] It should be further explained that the transmission mechanism includes a driving pulley, the center of which is fixed to one end of the second rotating rod;

[0011] The transmission mechanism also includes a driven pulley, the center of which is fixed to one end of the active rod, and a belt is tightly connected between the active pulley and the driven pulley.

[0012] As a preferred embodiment, the opening is communicated with the feed port.

[0013] As a preferred embodiment, a discharge port is provided on the outer wall at the bottom end of the crushing bin, and a support frame is fixed to the bottom end of the outer wall of the crushing bin.

[0014] Compared with the prior art, the utility model provides a graded material crushing device for cementing, which has at least the following beneficial effects:

[0015] (1) Through the cooperation between the bidirectional rotating mechanism, the driving motor, the driving gear, the driven gear, the first crushing roller, the second crushing roller, and the rolling element, the graded materials for cementing can be initially crushed, and the crushing effect is relatively good.

[0016] (2) Through the cooperation among the transmission mechanism, the driving pulley, the driven pulley, the belt, the driving rod, the crushing thorns and the crushing blades, it is possible to reduce the need for more driving ends of the equipment, and at the same time, it can further improve the crushing effect of the graded materials for cementing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front perspective view of the utility model;

[0018] Figure 2 It is an exploded view of the utility model;

[0019] Figure 3 It is a partial structural diagram of the utility model;

[0020] Figure 4 It is a cross-sectional view of the crushing bin of the utility model.

[0021] In the figure: 1. feed box; 2. opening; 3. driving motor; 4. first rotating rod; 5. first crushing roller; 6. second rotating rod; 7. second crushing roller; 8. two-way rotating mechanism; 81. driving gear; 82. driven gear; 9. rolling piece; 10. crushing bin; 11. feed port; 12. driving rod; 13. crushing blade; 14. rotating disk; 15. connecting rod; 16. crushing thorn; 17. transmission mechanism; 171. driving pulley; 172. driven pulley; 173. belt; 18. discharge port; 19. support frame. DETAILED DESCRIPTION

[0022] The present invention will be further described below in conjunction with the embodiments.

[0023] See also Figure 1-4 The utility model provides a graded material crushing device for cementing, comprising a feed box 1 and a crushing bin 10. The feed box 1 is provided with an opening 2 at the bottom. A driving motor 3 is fixed to one side of the outer wall of the feed box 1. A first rotating rod 4 is fixed to the driving end of the driving motor 3. A first crushing roller 5 is fixed to the outer wall of the first rotating rod 4. A bidirectional rotating mechanism 8 is provided at the other end of the first rotating rod 4.

[0024] A feed port 11 is provided at the top of the crushing bin 10, and an active rod 12 is rotatably installed at the center of the crushing bin 10. A plurality of crushing blades 13 are fixed to the outer wall of the active rod 12 in parallel. Rotating disks 14 are fixed to both sides of the outer wall of the active rod 12. Connecting rods 15 are fixed to the opposite sides of the rotating disk 14 in a circumferential distribution. A plurality of crushing spikes 16 are fixed to the outer wall of the connecting rod 15 in parallel. A transmission mechanism 17 is provided at one end of the active rod 12.

[0025] The bidirectional rotating mechanism 8 can mainly realize driving the first crushing roller 5 and the second crushing roller 7 to rotate in both directions, and the mutually staggered rolling parts 9 can improve the crushing effect, and the transmission mechanism 17 can mainly realize driving the active rod 12 to rotate, thereby reducing the driving end and reducing the cost.

[0026] Further as Figure 2 As shown, it is worth explaining in detail that the bidirectional rotating mechanism 8 includes a driving gear 81 , the center of the driving gear 81 is fixed to one end of the first rotating rod 4 , and the outer wall of the driving gear 81 is meshedly connected with a driven gear 82 .

[0027] The driving gear 81 can mainly drive the driven gear 82 to rotate, thereby improving the crushing effect of the material.

[0028] Further as Figure 2As shown, it is worth explaining in detail that a second rotating rod 6 is fixed at the center of the driven gear 82, a second crushing roller 7 is fixed to the outer wall of the second rotating rod 6, and the outer walls of the second crushing roller 7 and the first crushing roller 5 are both fixed with circumferentially distributed and mutually staggered rolling parts 9.

[0029] The interlaced rolling elements 9 enable the material to be crushed better, thereby improving the initial crushing effect of the material.

[0030] This scheme has the following working process: when it is necessary to crush the well-solid graded material, first pour the graded material onto the surface of the feed box 1, and then start the drive motor 3, so as to drive the first rotating rod 4 and the first crushing roller 5 to rotate, thereby driving the two-way rotating mechanism 8 to rotate, and then the driving gear 81 and the driven gear 82 can be rotated, thereby driving the second rotating rod 6 and the second crushing roller 7 to rotate, so that the material can be crushed, and then through the opening 2 and the feed port 11, the material can fall into the inner wall of the crushing bin 10, and then through the transmission mechanism 17, it can drive the active rod 12 to rotate, and then drive the crushing blade 13 to rotate, and at the same time, the active rod 12 can also drive the rotating disk 14 to rotate, so as to drive the connecting rod 15 and the crushing thorn 16 to rotate, and through the cooperation between the crushing blade 13 and the crushing thorn 16, it can better crush the graded material again.

[0031] According to the above working process, it can be known that: through the action of the transmission mechanism 17, it is possible to reduce the number of driving ends used by the equipment, thereby reducing costs. At the same time, when the transmission mechanism 17 is in operation, it can drive the active rod 12 to rotate, and then drive the crushing blade 13 and the crushing thorn 16 to rotate, thereby further improving the crushing effect.

[0032] Further Figure 1 , Figure 2 As shown, it is worth to explain in detail that the transmission mechanism 17 includes a driving pulley 171, and the center of the driving pulley 171 is fixed to one end of the second rotating rod 6;

[0033] The transmission mechanism 17 further includes a driven pulley 172 , the center of which is fixed to one end of the active rod 12 , and a belt 173 is tightly connected between the active pulley 171 and the driven pulley 172 .

[0034] A belt 173 is provided on the surface of the active pulley 171 and the driven pulley 172 , so as to facilitate the active rod 12 to rotate.

[0035] Further Figure 2 , Figure 3As shown, it is worth mentioning that the opening 2 is communicated with the feed port 11 .

[0036] Further as Figure 1 , Figure 3 and Figure 4 As shown, it is worth to explain in detail that the outer wall of the bottom end of the crushing bin 10 is provided with a discharge port 18 , and the bottom end of the outer wall of the crushing bin 10 is fixed with a support frame 19 .

[0037] In summary: the bidirectional rotation mechanism 8 can mainly drive the first crushing roller 5 and the second crushing roller 7 to rotate in both directions, and then through the interlaced rolling parts 9, the mixed materials can be better crushed. At the same time, through the cooperation between the crushing blades 13 and the crushing spikes 16, the mixed materials can be further crushed, thereby improving the crushing effect.

[0038] The drive motor 3 can be purchased on the market. The drive motor 3 is equipped with a power supply, which is a mature technology in this field and has been fully disclosed, so it will not be repeated in the specification.

Claims

1. A graded material crushing device for cementing, comprising a feed box (1) and a crushing bin (10), characterized in that: The bottom of the feed box (1) is provided with an opening (2); a driving motor (3) is fixed to one side of the outer wall of the feed box (1); a first rotating rod (4) is fixed to the driving end of the driving motor (3); a first crushing roller (5) is fixed to the outer wall of the first rotating rod (4); and a bidirectional rotating mechanism (8) is provided at the other end of the first rotating rod (4); A feeding port (11) is provided at the top of the crushing bin (10), an active rod (12) is rotatably mounted at the center of the crushing bin (10), a plurality of crushing blades (13) are fixed in parallel to the outer wall of the active rod (12), rotating disks (14) are fixed on both sides of the outer wall of the active rod (12), a connecting rod (15) is fixed in a circumferential distribution on the opposite side of the rotating disk (14), a plurality of crushing spikes (16) are fixed in parallel to the outer wall of the connecting rod (15), and a transmission mechanism (17) is provided at one end of the active rod (12).

2. The graded material crushing equipment for cementing according to claim 1, characterized in that: The bidirectional rotating mechanism (8) comprises a driving gear (81), the center of which is fixed to one end of the first rotating rod (4), and the outer wall of the driving gear (81) is meshingly connected with a driven gear (82).

3. The graded material crushing equipment for cementing according to claim 2, characterized in that: A second rotating rod (6) is fixed at the center of the driven gear (82), a second crushing roller (7) is fixed to the outer wall of the second rotating rod (6), and rolling parts (9) distributed in a circumferential manner and staggered with each other are fixed to the outer walls of the second crushing roller (7) and the first crushing roller (5).

4. The graded material crushing equipment for cementing according to claim 1, characterized in that: The transmission mechanism (17) comprises a driving pulley (171), the center of which is fixed to one end of the second rotating rod (6); The transmission mechanism (17) further comprises a driven pulley (172), the center of which is fixed to one end of the active rod (12), and a belt (173) is tightly connected between the active pulley (171) and the driven pulley (172).

5. The graded material crushing equipment for cementing according to claim 1, characterized in that: The opening (2) is communicated with the feed port (11).

6. The graded material crushing equipment for cementing according to claim 1, characterized in that: The outer wall at the bottom end of the crushing bin (10) is provided with a discharge port (18), and a support frame (19) is fixed to the bottom end of the outer wall of the crushing bin (10).

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