Shale multi-combination pressure driving device with protection structure

Abstract

The invention discloses a shale multi-combination pressure driving device with a protection structure, and relates to the field of shale exploitation, the shale multi-combination pressure driving device comprises a mounting seat and an equipment main body, the equipment main body is arranged above the mounting seat, a connecting seat is arranged above the mounting seat, and the connecting seat and the mounting seat are detachably connected; and movable seats are arranged at the front end and the rear end of the connecting seat correspondingly, rolling shafts are rotationally installed in the movable seats, protective cloth is wound around the surfaces of the rolling shafts, the protective cloth is pulled out to protect the exposed position of the outer side of the equipment body, and torsion springs are arranged at the ends of the rolling shafts. According to the shale multi-combination pressure driver with the protection structure, protection can be provided for the exterior of the equipment main body through the arrangement of the protection cloth, the protection cloth is arranged in a storable mode, the equipment main body can be exposed after the protection cloth is put away, maintenance is convenient, when the protection cloth is used for protection, the protection cloth can pull the winding shaft to rotate when being impacted, and the protection cloth is prevented from being damaged. And the impact force is buffered.

Description

Technical Field

[0001] The present invention relates to the technical field of shale mining, and particularly to a shale multi-combination pressure driver with a protective structure. Background Art

[0002] A pressure driver, also known as an electric drive fracturing device, is a key component in shale oil and gas extraction. In fracturing operations, fracturing fluid needs to be efficiently injected into the shale formation to form fractures and release oil and gas. A multi-combination pressure driver can provide different pressures to adapt to different usage requirements.

[0003] Prior Art 1 (a Chinese patent with the application number CN202420079737.6, published on August 27, 2024) is an electric drive fracturing device, which includes: a motor structure connected to a power supply mechanism to provide a power source for the motor structure through the power supply mechanism; a speed change device, the power input end of the speed change device is connected to the power output end of the motor structure to drive the power input end of the speed change device to move through the power output end of the motor structure; an actuator, the rotational speed of the power input end of the actuator is adapted to the rotational speed of the power output end of the speed change device, and the power input end of the actuator is connected to the power output end of the speed change device to drive the power input end of the actuator to move through the power output end of the speed change device. By adopting the technical solution provided by this application, the problem that the frequency conversion equipment in the existing electric drive fracturing well site occupies too much space can be solved; Prior Art 2 (a Chinese patent with the application number CN202320160389.0, published on May 23, 2023) is an energy-saving electric drive fracturing device, including a motor and a fracturing pump, and is characterized in that: it further includes a cooling box, and a heat exchange chamber for storing fracturing fluid is provided in the cooling box, and the suction port of the fracturing pump is arranged in the heat exchange chamber; a high-pressure manifold device is provided on the fracturing pump, and a low-pressure manifold device is provided on the cooling box, and the low-pressure manifold device is communicated with the heat exchange chamber; a heat exchanger is provided in the cooling box, and the heat exchanger is connected with a motor coolant pipe and a fracturing pump coolant pipe, the motor coolant pipe is connected with the cooling pipeline in the motor, and the fracturing pump coolant pipe is connected with the cooling pipeline of the fracturing pump. This application uses fracturing fluid as the coolant, makes full use of the fracturing fluid resources, the fracturing pump provides the circulating power of the fracturing fluid, saves electrical energy, has a good cooling effect, significantly improves the situation of insufficient suction of the fracturing pump, ensures the suction flow rate of the fracturing pump, and improves the equipment utilization rate.

[0004] Currently, the general pressure driver is directly installed on the base for use, and the outside of the device is directly exposed. When in use, the noise generated is relatively large, and when the device is damaged and explodes, some parts will be ejected, and the relatively large impact force is likely to cause damage to the external environment, reducing the overall safety of the device in use. Summary of the Invention

[0005] The object of the present invention is to provide a shale multi - combination pressure driver with a protection structure, so as to solve the problems raised in the above - mentioned background technology. Currently, the pressure driver is generally directly installed on the base for use, and the outside of the device is directly exposed. When in use, the noise generated is relatively large, and when the device is damaged and explodes, some parts will be ejected, and the relatively large impact force is likely to cause damage to the external environment.

[0006] To achieve the above object, the present invention provides the following technical solution: A shale multi - combination pressure driver with a protection structure, including a mounting base and a device main body. The device main body is arranged above the mounting base. A connecting seat is arranged above the mounting base, and a detachable connection is formed between the connecting seat and the mounting base. Movable seats are arranged at both the front and rear ends of the connecting seat. A winding shaft is rotatably installed inside the movable seat, and a protective cloth is wound around the surface of the winding shaft. After the protective cloth is pulled out, it protects the exposed position on the outside of the device main body. A torsion spring is arranged at the end of the winding shaft to provide a rotational reset force for the winding shaft. A connecting plate is fixed below the protective cloth, and a locking mechanism is arranged below the connecting plate to lock the connection between the connecting plate and the mounting base. A flame sensor is installed on the lower surface of the connecting seat, and a fire - prevention mechanism is arranged inside the connecting seat to provide a fire - prevention protection effect for the device main body.

[0007] Further optimizing the technical solution, an active docking mechanism is arranged between the movable seat and the connecting seat, and the movable seat is connected to the connecting seat through the active docking mechanism.

[0008] Further optimizing the technical solution, the active docking mechanism includes a mounting block, a connecting groove, a connecting rod, and a sliding groove;

[0009] The mounting block is fixed on the left and right sides of the movable seat;

[0010] The connecting groove is opened above the mounting block;

[0011] The connecting rod is arranged above the connecting seat, and a threaded connection is formed between the connecting rod and the connecting groove;

[0012] The sliding groove is opened on the surface of the connecting seat, and the outer end of the sliding groove is designed with an open - ended structure, and a front - and - rear sliding structure is formed between the sliding groove and the mounting block.

[0013] Further optimizing the technical solution, the protective cloth includes a protective layer and sound - absorbing cotton, and the sound - absorbing cotton is adhered to the outer surface of the protective layer to absorb the operating noise of the device main body.

[0014] Further optimizing the technical solution, the locking mechanism includes a connecting head, a locking block, a first spring, and a control block;

[0015] The connector is fixed below the connection plate, and the connector is designed with a hollow structure, and a nested connection is formed between the connector and the mounting seat;

[0016] The locking block is arranged perpendicular to the connector, and the upper surface of the locking block is designed with an inclined structure, and the locking block is engaged with the connector. The locking block is located inside the mounting seat and forms a front-back sliding structure with the mounting seat;

[0017] The first spring is arranged at the outer end of the locking block to provide a thrust for the locking block;

[0018] The control block is fixed at the outer end of the locking block to control the horizontal movement of the locking block.

[0019] To further optimize this technical solution, the fire prevention mechanism includes a liquid storage cavity and a spray head;

[0020] The liquid storage cavity is opened inside the connection seat;

[0021] The spray head is installed below the connection seat, and the spray head is controlled by an electromagnetic valve.

[0022] To further optimize this technical solution, a water inlet is arranged above the liquid storage cavity for replenishing liquid into the liquid storage cavity, and a communication port is arranged at the bottom of the liquid storage cavity. A drain pipe is connected to the outer end of the communication port. The drain pipe is installed outside the connection seat, and the drain pipe is communicated with the communication port to control the discharge of the liquid in the liquid storage cavity.

[0023] To further optimize this technical solution, a docking block is fixed above the mounting seat. A nested connection is formed between the docking block and the connection seat, and a limiting groove is opened inside the docking block, and a self-locking mechanism is arranged inside the limiting groove to lock the connection between the docking block and the connection seat.

[0024] To further optimize this technical solution, the self-locking mechanism includes an enclosing pad, a movable plate, a connecting block and a second spring;

[0025] The enclosing pad is arranged on the side of the liquid storage cavity;

[0026] The movable plate is arranged outside the enclosing pad, and a sliding connection is formed between the movable plate and the connection seat;

[0027] The connecting block is fixed outside the movable plate, and the end of the connecting block is engaged with the limiting groove;

[0028] The second spring is arranged outside the movable plate to provide an inward thrust for the movable plate.

[0029] Compared with the prior art, the beneficial effects of the present invention are:

[0030] (1) The provision of the protective cloth can provide protection for the outside of the device body, and the protective cloth is of a retractable type. After the protective cloth is retracted, the device body can be exposed, facilitating maintenance. When using the protective cloth for protection, the impact on the protective cloth can cause the winding shaft to rotate, achieving buffering of the impact force;

[0031] (2) The protective cloth is installed through the provision of the movable seat. The movable seat and the connecting seat are detachably arranged, facilitating subsequent separate replacement of the movable seat. Moreover, sound-absorbing cotton is provided on the protective cloth, which can absorb the operating noise of the device body, thereby reducing the impact of its noise on the surrounding environment;

[0032] (3) The connecting seat provides protection above the device body, and a liquid storage cavity is arranged inside the connecting seat. After adding liquid to the liquid storage cavity, it can play a role in fire extinguishing and flame retardancy, and adding liquid to the liquid storage cavity can also increase the weight of the device, improving its placement stability, and cooperating with the provision of the shock-absorbing seat to make its operation more stable;

[0033] (4) The movement of the connecting block can be controlled by the pressure of the liquid in the liquid storage cavity, so that a connection is formed between the connecting block and the limiting groove, fixing the position of the connecting seat. After the liquid in the liquid storage cavity is drained subsequently, the connecting block automatically disengages from the connection with the limiting groove, facilitating the disassembly of the connecting seat. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 is a three-dimensional structural schematic diagram of the present invention;

[0035] Figure 2 is a three-dimensional structural schematic diagram of the mounting seat of the present invention;

[0036] Figure 3 is a three-dimensional structural schematic diagram of the connecting seat of the present invention;

[0037] Figure 4 is a bottom view structural schematic diagram of the connecting seat of the present invention;

[0038] Figure 5 is a three-dimensional structural schematic diagram of the movable seat of the present invention;

[0039] Figure 6 is a main sectional structural schematic diagram of the movable seat of the present invention;

[0040] Figure 7 is a structural schematic diagram of the composition of the protective cloth of the present invention;

[0041] Figure 8 is a main sectional structural schematic diagram of the connecting seat of the present invention;

[0042] Figure 9 is a top sectional structural schematic diagram of the connecting seat of the present invention;

[0043] Figure 10This is a schematic side-sectional view of the connector of the present invention.

[0044] In the figure: 1, mounting base; 2, equipment main body; 3, shock-absorbing seat; 4, connecting seat; 5, movable seat; 6, protective cloth; 601, protective layer; 602, sound-absorbing cotton; 7, connecting plate; 8, connector; 9, locking block; 10, first spring; 11, control block; 12, winding shaft; 13, torsion spring; 14, mounting block; 1401, connecting groove; 15, connecting rod; 16, docking block; 17, limiting groove; 18, liquid storage cavity; 19, spray head; 20, flame sensor; 21, water inlet; 22, communication port; 23, drain pipe; 24, enclosing pad; 25, movable plate; 26, connecting block; 27, second spring; 28, sliding groove. Specific embodiments

[0045] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0046] Embodiment 1: The present invention provides the following technical solutions: A shale multi-combination pressure drive device with a protection structure, as Figure 1-3 and Figure 7 shown, includes a mounting base 1 and an equipment main body 2. The equipment main body 2 is arranged above the mounting base 1. A connecting seat 4 is arranged above the mounting base 1, and a detachable connection is formed between the connecting seat 4 and the mounting base 1. Movable seats 5 are arranged at both the front and rear ends of the connecting seat 4. A winding shaft 12 is rotatably installed inside the movable seat 5, and a protective cloth 6 is wound around the surface of the winding shaft 12. After the protective cloth 6 is pulled out, it protects the exposed position outside the equipment main body 2. A torsion spring 13 is arranged at the end of the winding shaft 12 to provide a rotational reset force for the winding shaft 12. A connecting plate 7 is fixed below the protective cloth 6, and a locking mechanism is arranged below the connecting plate 7 to lock the connection between the connecting plate 7 and the mounting base 1. A flame sensor 20 is installed on the lower surface of the connecting seat 4, and a fire protection mechanism is arranged inside the connecting seat 4 to provide a fire protection effect for the equipment main body 2. The protective cloth 6 includes a protective layer 601 and sound-absorbing cotton 602. The sound-absorbing cotton 602 is adhered to the outer surface of the protective layer 601 to absorb the operating noise of the equipment main body 2.

[0047] A shock-absorbing seat 3 is provided below the mounting seat 1 to absorb and buffer the vibration of the equipment main body 2. During use, the protective cloth 6 can be pulled downward to protect the equipment main body 2. When the equipment main body 2 needs to be overhauled and maintained, the protective cloth 6 can be opened and wound onto the outer side of the winding shaft 12. When the equipment main body 2 is damaged and parts fly outwards, the protective cloth 6 can block them. When the protective cloth 6 is impacted, it can pull the winding shaft 12 to rotate, and the protective cloth 6 moves itself to buffer the impact force. Sound-absorbing cotton 602 is provided on the protective cloth 6 to absorb a certain amount of the operating noise of the equipment main body 2 and reduce its operating noise.

[0048] Embodiment 2: On the basis of Embodiment 1, as Figure 4-6 and Figure 10 shown, it is further disclosed that an active docking mechanism is provided between the movable seat 5 and the connecting seat 4. The movable seat 5 is connected to the connecting seat 4 through the active docking mechanism. The active docking mechanism includes a mounting block 14, a connecting groove 1401, a connecting rod 15 and a sliding groove 28. The mounting block 14 is fixed on the left and right sides of the movable seat 5. The connecting groove |401 is opened above the mounting block 14. The connecting rod 15 is arranged above the connecting seat 4, and a threaded connection is formed between the connecting rod 15 and the connecting groove 1401. The sliding groove 28 is opened on the surface of the connecting seat 4, and the outer end of the sliding groove 28 is designed with an open structure, and a front-back sliding structure is formed between the sliding groove 28 and the mounting block 14. The locking mechanism includes a connecting head 8, a locking block 9, a first spring 10 and a control block 11. The connecting head 8 is fixed below the connecting plate 7, and the connecting head 8 is designed with a hollow structure, and a nested connection is formed between the connecting head 8 and the mounting seat 1. The locking block 9 is arranged perpendicular to the connecting head 8, and the upper surface of the locking block 9 is designed with an inclined structure, and the locking block 9 is engaged with the connecting head 8. The locking block 9 is located inside the mounting seat 1 and forms a front-back sliding structure with the mounting seat 1. The first spring 10 is arranged at the outer end of the locking block 9 to provide a thrust for the locking block 9. The control block 11 is fixed at the outer end of the locking block 9 to control the horizontal movement of the locking block 9.

[0049] When using the protective cloth 6, the protective cloth 6 can be pulled downward through the connecting plate 7 to unwind it on the winding shaft 12. Insert the connecting head 8 into the mounting seat 1 to connect the locking block 9 and the connecting head 8, fix the connecting head 8, and keep the protective cloth 6 in the downward state. Then, when the protective cloth 6 is damaged later, the movable seat 5 can be removed and replaced. When removing the movable seat 5, the connecting rod 15 can be rotated to release the threaded connection between the connecting rod 15 and the connecting groove 1401, and then the mounting block 14 can be pulled out of the sliding groove 28 to realize the removal of the movable seat 5.

[0050] Embodiment 3: On the basis of Embodiment 1, as Figure 7-9As shown in the figure, it is further disclosed that the fire prevention mechanism includes a liquid storage cavity 18 and a spray head 19. The liquid storage cavity 18 is opened inside the connecting seat 4, and the spray head 19 is installed below the connecting seat 4. The spray head 19 is controlled by an electromagnetic valve. An inlet 21 is provided above the liquid storage cavity 18 for replenishing liquid into the liquid storage cavity 18. And a communication port 22 is provided at the bottom of the liquid storage cavity 18. The outer end of the communication port 22 is connected to a drain pipe 23. The drain pipe 23 is installed outside the connecting seat 4. The drain pipe 23 is communicated with the communication port 22 to control the discharge of the liquid in the liquid storage cavity 18. A docking block 16 is fixed above the mounting seat 1. The docking block 16 and the connecting seat 4 form a nested connection. And a limiting groove 17 is opened inside the docking block 16. And a self-locking mechanism is provided inside the limiting groove 17 to lock the connection between the docking block 16 and the connecting seat 4. The self-locking mechanism includes an enclosing pad 24, a movable plate 25, a connecting block 26 and a second spring 27. The enclosing pad 24 is arranged on the side of the liquid storage cavity 18. The movable plate 25 is arranged outside the enclosing pad 24. And the movable plate 25 and the connecting seat 4 form a sliding connection. The connecting block 26 is fixed outside the movable plate 25. And the end of the connecting block 26 is engaged with the limiting groove 17. The second spring 27 is arranged outside the movable plate 25 to provide an inward thrust for the movable plate 25.

[0051] Before using the device, liquid can be added into the liquid storage cavity 18 through the inlet 21 to increase the weight of the connecting seat 4 and make the device more stable when placed. And when adding liquid into the liquid storage cavity 18, the liquid will squeeze the enclosing pad 24, causing the enclosing pad 24 to push the movable plate 25 to drive the connecting block 26 to move. The connecting block 26 is connected to the limiting groove 17 to lock the connection between the connecting seat 4 and the docking block 16, so that the installation of the connecting seat 4 is kept stable. The operation of the device main body 2 can be monitored through the flame sensor 20. When the device catches fire, the spray head 19 can be controlled to open through a program, and the liquid in the liquid storage cavity 18 is sprayed downward to achieve the effect of flame retardancy and fire extinguishing, improving the safety of device use.

[0052] The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0053] In the description of the present application, it should be noted that unless otherwise clearly specified and limited, terms such as "set", "installed", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0054] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A shale multi - combination pressure drive device with a protective structure, comprising a mounting base (1) and a device main body (2), and the device main body (2) is arranged above the mounting base (1); It is characterized in that: Above the mounting base (1), a connecting seat (4) is provided, and the connecting seat (4) and the mounting base (1) form a detachable connection. At both the front and rear ends of the connecting seat (4), movable seats (5) are provided. Inside the movable seat (5), a winding shaft (12) is rotatably installed, and a protective cloth (6) is wound around the surface of the winding shaft (12). After the protective cloth (6) is pulled out, it protects the leaked position outside the device main body (2). At the end of the winding shaft (12), a torsion spring (13) is provided to provide a rotational reset force for the winding shaft (12). Below the protective cloth (6), a connecting plate (7) is fixed, and below the connecting plate (7), a locking mechanism is provided to lock the connection between the connecting plate (7) and the mounting base (1). On the lower surface of the connecting seat (4), a flame sensor (20) is installed, and inside the connecting seat (4), a fire - prevention mechanism is provided to provide a fire - prevention protection effect for the device main body (2).

2. The shale multi-combination pressure drive device with a protection structure according to claim 1, wherein: An active docking mechanism is provided between the movable seat (5) and the connecting seat (4), and the movable seat (5) is connected to the connecting seat (4) through the active docking mechanism.

3. The shale multi-combination pressure drive device with a protection structure according to claim 2, characterized in that: The active docking mechanism includes a mounting block (14), a connecting groove (1401), a connecting rod (15), and a sliding groove (28); The mounting block (14) is fixed on the left and right sides of the movable seat (5); The connecting groove (1401) is opened above the mounting block (14); The connecting rod (15) is arranged above the connecting seat (4), and a threaded connection is formed between the connecting rod (15) and the connecting groove (1401); The sliding groove (28) is opened on the surface of the connecting seat (4), and the outer end of the sliding groove (28) is designed with an open - ended structure, and a front - and - rear sliding structure is formed between the sliding groove (28) and the mounting block (14).

4. A shale multi-combination pressure drive device with a protection structure according to claim 1, characterized in that: The protective cloth (6) includes a protective layer (601) and a sound - absorbing cotton (602), and the sound - absorbing cotton (602) is adhered to the outer surface of the protective layer (601) to absorb the operating noise of the device main body (2).

5. The shale multi-combination pressure drive device with a protection structure according to claim 1, characterized in that: The locking mechanism includes a connecting head (8), a locking block (9), a first spring (10), and a control block (11); The connecting head (8) is fixed below the connecting plate (7), and the connecting head (8) is designed with a hollow structure, and a nested connection is formed between the connecting head (8) and the mounting base (1); The locking block (9) is arranged perpendicular to the connecting head (8), and the upper surface of the locking block (9) is designed with an inclined structure, and the locking block (9) is engaged with the connecting head (8). The locking block (9) is located inside the mounting base (1) and forms a front - and - rear sliding structure with the mounting base (1); The first spring (10) is arranged at the outer end of the locking block (9) to provide a thrust for the locking block (9); The control block (11) is fixed at the outer end of the locking block (9) to control the horizontal movement of the locking block (9).

6. The shale multiple combination pressure drive device with a protection structure according to claim 1, characterized in that: The fire - prevention mechanism includes a liquid storage cavity (18) and a spray head (19); A liquid storage cavity (18) is provided inside the connection base (4); A spray head (19) is installed below the connection base (4), and the spray head (19) is controlled by an electromagnetic valve.

7. A shale multi-combination pressure drive device with a protection structure according to claim 6, characterized in that: An inlet (21) is provided above the liquid storage cavity (18) for replenishing liquid into the liquid storage cavity (18). A communication port (22) is provided at the bottom of the liquid storage cavity (18). The outer end of the communication port (22) is connected to a drain pipe (23). The drain pipe (23) is installed outside the connection base (4), and the drain pipe (23) communicates with the communication port (22) to control the discharge of the liquid in the liquid storage cavity (18).

8. A shale multi-combination pressure drive device with a protection structure according to claim 6, characterized in that: A docking block (16) is fixed above the mounting base (1). A nested connection is formed between the docking block (16) and the connection base (4). A limiting groove (17) is provided inside the docking block (16), and a self-locking mechanism is provided inside the limiting groove (17) to lock the connection between the docking block (16) and the connection base (4).

9. The shale multi-combination pressure driver with a protection structure according to claim 8, characterized in that: The self-locking mechanism includes an enclosing pad (24), a movable plate (25), a connecting block (26), and a second spring (27); The enclosing pad (24) is provided on the side of the liquid storage cavity (18); The movable plate (25) is provided outside the enclosing pad (24), and a sliding connection is formed between the movable plate (25) and the connection base (4); The connecting block (26) is fixed outside the movable plate (25), and the end of the connecting block (26) is engaged with the limiting groove (17); The second spring (27) is provided outside the movable plate (25) to provide an inward thrust for the movable plate (25).

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