Hydraulic top drive device with scales
By setting a scale component and a balance chamber on the hydraulic top drive device, the problems of accuracy and efficiency of the hydraulic top drive device in the deep sea environment are solved, the stability and applicability of deep sea operations are realized, and the service life of the device is extended.
Patent Information
- Application Number
- CN202520487539.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-19
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-03-19
AI Technical Summary
Existing hydraulic jack drive devices struggle to obtain intuitive and accurate stroke information in deep-sea environments, resulting in low work precision and efficiency. Furthermore, they are not easy to balance internal and external pressures in underwater environments, leading to poor applicability.
A graduated hydraulic top drive device was designed. By setting a graduated component and a balance chamber on the device, stroke information is displayed by a scale and pointer, and the internal and external pressures are balanced by liquid. A rubber sealing sleeve is used to prevent hydraulic oil leakage.
It enables precise control and efficient operation of the hydraulic top drive device in deep-sea environments, improving work accuracy and efficiency, enhancing the stability and applicability of the device, and extending its service life.
Smart Images

Figure CN223814044U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to deep sea exploration technical field, concretely is a hydraulic top drive device with scale. BACKGROUND
[0002] With the deepening of deep sea resource development, the hydraulic top drive equipment is often used in deep sea resource exploration and development, because there is very high water pressure in deep sea environment, with the increase of water depth, the pressure increases exponentially, when 3000m water depth, water pressure can reach about 300 standard atmospheres, which puts forward strict requirements on the structural strength and sealing property of the top drive device.
[0003] With the higher requirements of the industry on the performance of the top drive device, the top drive device needs to have stronger environmental adaptability, higher operation accuracy and reliability, in order to meet these needs, the hydraulic top drive device with scale is often used to improve the efficiency and safety of deep sea operation.
[0004] As prior art, the Chinese utility model patent with publication number CN219412454U specifically discloses: a hydraulic top drive device, the hydraulic top drive device, through two groups of main motors, when small load working, can start a group through single group's balance hydraulic cylinder, oil pump motor, through gear box drives rotary head to work, reduces resource waste, when working to larger load, can drive two groups, guarantees the downhole effect of drilling tool, so as to guarantee work efficiency.
[0005] The hydraulic top drive device with such structure can reduce resource waste, but when using, it is inconvenient to directly and accurately obtain the stroke information of the hydraulic top drive device, and inconvenient to control the distance of the top drive, resulting in low precision and efficiency of work, at the same time, when working in special environment such as underwater, it is inconvenient to balance the pressure inside and outside the device, resulting in that it is inconvenient to work normally in various environments, and poor applicability. SUMMARY
[0006] The utility model provides a hydraulic top drive device with scale, aims at solving the problem of low precision and efficiency of existing hydraulic top drive device.
[0007] In order to achieve the above purpose, the technical scheme adopted by the utility model is:
[0008] The utility model provides a hydraulic top drive device with scale, including the fixed sleeve that the outer cover is internally interconnected, the outer surface of outer cover is equipped with balance cavity, the outer surface of fixed sleeve is fixedly installed with a plurality of anti -skid sleeve that is equidistant distribution, the inner surface of fixed sleeve is equipped with hydraulic cavity, the other end of hydraulic cavity inner surface away from outer cover is fixedly installed with spring, the other end of spring is fixedly installed with first movable plug close to outer cover, the other end of first movable plug away from spring is fixedly installed with connecting rod, the other end of connecting rod away from first movable plug is fixedly installed with second movable plug, the other end of second movable plug away from connecting rod is fixedly installed with connecting column, the other end of connecting column away from connecting rod is fixedly installed with first fixed link, the other end of first fixed link away from fixed sleeve is fixedly installed with second fixed link, the other end of second fixed link away from first fixed link is fixedly installed with push piece, the outer surface of fixed sleeve is fixedly installed with scale assembly.
[0009] Preferably, the scale assembly comprises a mounting seat, the mounting seat is fixedly installed with a scale sleeve on the outer surface, the scale sleeve is fixedly installed with a sliding groove on the outer surface, the scale sleeve is fixedly installed with a scale on the outer surface, the scale sleeve is slidably connected with a movable rod on the outer surface, the movable rod is fixedly installed with a first pointer on the outer surface, the first pointer is slidably connected with the sliding groove, and the first pointer is matched with the scale.
[0010] Through the above technical scheme, when the hydraulic top drive device works, the first fixed link drives the movable rod to move, the movable rod can be pushed to make the first pointer thereon slide along the sliding groove, the distance of movement can be read by the staff through the position of the first pointer on the scale, and through the cooperation of the first pointer and the scale, the stroke information of the hydraulic top drive device can be intuitively and accurately obtained, the distance of the top drive is facilitated to be controlled by the operator, and the accuracy and efficiency of work are improved.
[0011] Preferably, the movable rod is fixedly installed with a second pointer at one end close to the outer cover, and the second pointer is located directly above the first fixed link.
[0012] Through the above technical scheme, when reading the stroke information, the second pointer can be overlapped with the first fixed link, the accuracy of the stroke can be understood by the user, and the operator can observe the movement of the first fixed link from different angles, the monitoring accuracy of the stroke of the top drive device is further improved, and the reading error caused by the angle of view is avoided.
[0013] Preferably, the scale sleeve is fixedly installed with a mounting plate, a connecting block and a handle on the outer surface.
[0014] Through the technical scheme, when the mobile or operating device, the worker can hold the handle to operate, the handle provides a convenient holding point for the operating personnel, and the whole hydraulic top drive device can be conveniently moved, adjusted and operated, and the convenience of operation is improved.
[0015] Preferably, the balance cavity extends through the inner surface of the outer sleeve and extends to the outer surface thereof, and the first movable plug, the second movable plug and the first fixed rod are in sliding connection with the balance cavity.
[0016] Through the technical scheme, when the mobile or operating device, the worker can hold the handle to operate, the handle provides a convenient holding point for the operating personnel, and the whole hydraulic top drive device can be conveniently moved, adjusted and operated, and the convenience of operation is improved.
[0017] Preferably, the first movable plug is fixedly installed with a first sealing sleeve on the outer surface thereof, the other end of the second movable plug is fixedly installed with a second sealing sleeve, and the outer surface of the first fixed rod is fixedly installed with a third sealing sleeve, and the first sealing sleeve, the second sealing sleeve and the third sealing sleeve are rubber sealing sleeves.
[0018] Through the technical scheme, during the operation of the device, the first sealing sleeve, the second sealing sleeve and the third sealing sleeve move together with the first movable plug, the second movable plug and the first fixed rod, and always tightly adhere to the inner wall of the balance cavity, which can effectively prevent the leakage of hydraulic oil, ensure the stability of the pressure in the hydraulic cavity, and thus ensure the normal operation of the hydraulic top drive device.
[0019] Preferably, the other end of the fixed sleeve away from the outer sleeve is fixedly installed with an oil injection plug, and the oil injection plug extends through the fixed sleeve and extends to the inner surface of the hydraulic cavity.
[0020] Through the technical scheme, when it is necessary to inject hydraulic oil into the hydraulic cavity, the oil injection plug is opened, the hydraulic oil is injected into the hydraulic cavity through the oil injection plug, and after the oil injection is completed, the oil injection plug is tightened, the setting of the oil injection plug facilitates the injection of hydraulic oil into the hydraulic cavity, and the hydraulic top drive device is convenient to maintain and maintain, and the device can work normally.
[0021] The hydraulic top drive device with scales has the following beneficial effects compared with the prior art:
[0022] 1、 the hydraulic top drive device with scales, the setting of the scale assembly enables the operating personnel to intuitively and accurately obtain the stroke information of the hydraulic top drive device through the position of the first pointer on the scale, conveniently controls the distance of the top drive, and improves the accuracy and efficiency of work, and the second pointer assists in observation, avoiding reading errors caused by viewing angle problems;
[0023] 2、The hydraulic top drive device with scales, the design of the balance cavity can balance the internal and external pressure through liquid when working in special environment such as underwater, guarantee the stability and applicability of the device, so that it can work normally in various environments, and the rubber sealing sleeves on the outer surface of the first movable plug, the second movable plug and the first fixed rod, the second sealing sleeve and the third sealing sleeve can effectively prevent hydraulic oil leakage, guarantee the stability of the pressure in the hydraulic cavity and ensure the normal work of the hydraulic top drive device, at the same time, the sealing sleeve can also reduce the friction between the movable part and the inner wall of the balance cavity, prolong the service life of the device. BRIEF DESCRIPTION OF DRAWINGS
[0024] Figure 1 It is a first perspective three-dimensional structure schematic view of the hydraulic top drive device in the utility model;
[0025] Figure 2 It is a second perspective three-dimensional structure schematic view of the hydraulic top drive device in the utility model;
[0026] Figure 3 It is a third perspective three-dimensional structure schematic view of the hydraulic top drive device in the utility model;
[0027] Figure 4 It is a sectional structure schematic view of the hydraulic top drive device in the utility model;
[0028] Figure 5 It is an explosion structure schematic view of the hydraulic top drive device in the utility model;
[0029] Figure 6 It is an explosion structure schematic view of the scale assembly of the hydraulic top drive device in the utility model;
[0030] Figure 7 It is a split structure schematic view of the scale assembly of the hydraulic top drive device in the utility model.
[0031] Wherein: 1, the outer sleeve; 2, the balance cavity; 3, the fixed sleeve; 4, the anti-skid sleeve; 5, the hydraulic cavity; 6, the spring; 7, the first movable plug; 8, the first sealing sleeve; 9, the connecting rod; 10, the second movable plug; 11, the second sealing sleeve; 12, the connecting column; 13, the first fixed rod; 14, the third sealing sleeve; 15, the second fixed rod; 16, the push block; 17, the scale assembly; 1701, the mounting seat; 1702, the scale sleeve; 1703, the sliding groove; 1704, the scale ruler; 1705, the movable rod; 1706, the first pointer; 1707, the second pointer; 1708, the mounting plate; 1709, the connecting block; 1710, the handle; 18, the oil filling plug. DETAILED DESCRIPTION
[0032] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of protection of the utility model.
[0033] Embodiment one:
[0034] As Figures 1-5 shown, the hydraulic top drive device with scale provided by the present example comprises a sleeve 1 and a fixed sleeve 3 which is internally interconnected with the sleeve 1, a balance cavity 2 is formed on the inner and outer surfaces of the sleeve 1, a plurality of anti-skid sleeves 4 are fixedly installed on the outer surface of the fixed sleeve 3, a hydraulic cavity 5 is formed on the inner surface of the fixed sleeve 3, a spring 6 is fixedly installed on the other end of the inner surface of the hydraulic cavity 5 away from the sleeve 1, a first movable plug 7 is fixedly installed on the other end of the spring 6 close to the sleeve 1, a connecting rod 9 is fixedly installed on the other end of the first movable plug 7 away from the spring 6, a second movable plug 10 is fixedly installed on the other end of the connecting rod 9 away from the first movable plug 7, a connecting column 12 is fixedly installed on the other end of the second movable plug 10 away from the connecting rod 9, a first fixed rod 13 is fixedly installed on the other end of the connecting column 12 away from the connecting rod 9, a second fixed rod 15 is fixedly installed on the other end of the first fixed rod 13 away from the fixed sleeve 3, a push block 16 is fixedly installed on the other end of the second fixed rod 15 away from the first fixed rod 13, and a scale assembly 17 is fixedly installed on the outer surface of the fixed sleeve 3.
[0035] Further referring to Figure 6 With Figure 7 , the scale assembly 17 in the present example scheme specifically comprises a mounting seat 1701, the mounting seat 1701 is fixedly installed with a scale sleeve 1702 on the outer surface, the scale sleeve 1702 is fixedly installed with a sliding groove 1703 on the outer surface, the scale sleeve 1702 is fixedly installed with a scale ruler 1704 on the outer surface, the scale sleeve 1702 is slidingly connected with a movable rod 1705 on the outer surface, the movable rod 1705 is fixedly installed with a first pointer 1706 on the outer surface, the first pointer 1706 is slidingly connected with the sliding groove 1703, and the first pointer 1706 is adapted to the scale ruler 1704.
[0036] The scale assembly 17 thus arranged, when the hydraulic top drive device works, the first fixed rod 13 drives the movable rod 1705 to move, which can push the movable rod 1705 so that the first pointer 1706 thereon slides along the sliding groove 1703, the staff can read the moving distance through the position of the first pointer 1706 on the scale ruler 1704, through the cooperation of the first pointer 1706 and the scale ruler 1704, the stroke information of the hydraulic top drive device can be intuitively and accurately obtained, which is convenient for the operator to control the distance of the top drive and improves the accuracy and efficiency of work.
[0037] Further, the second pointer 1707 is fixedly installed on one end of the movable rod 1705 in the scale assembly 17, and is located directly above the first fixed rod 13.
[0038] In this way, when reading the stroke information, the second pointer 1707 can overlap the first fixed rod 13, so that the user can understand the accuracy of the stroke, and the operator can observe the movement of the first fixed rod 13 from different angles, further improving the monitoring accuracy of the stroke of the top drive device and avoiding reading errors caused by the viewing angle.
[0039] Further, the mounting plate 1708, the connecting block 1709 and the handle 1710 are fixedly installed on the outer surface of the scale sleeve 1702 in the scale assembly 17.
[0040] In this way, when moving or operating the device, the worker can hold the handle 1710 to operate, which provides a convenient holding point for the operator and facilitates the movement, position adjustment and other operations of the entire hydraulic top drive device, improving the convenience of operation.
[0041] Embodiment Two:
[0042] This example further provides an optimization scheme on the basis of the implementation of a scheme.
[0043] As Figure 4 As Figure 5 In this example, the balance cavity 2 penetrates the inner surface of the outer sleeve 1 and extends to the outer surface thereof, and the first movable plug 7, the second movable plug 10 and the first fixed rod 13 are in sliding connection with the balance cavity 2.
[0044] In this way, when working underwater, the balance cavity 2 can be filled with liquid, and then the first movable plug 7, the second movable plug 10 and the first fixed rod 13 can be pushed to move, which can facilitate the balance of internal and external pressure and improve the overall practicability.
[0045] Further, in the scheme of this example, the first movable plug 7 is fixedly installed with the first sealing sleeve 8, the other end of the second movable plug 10 is fixedly installed with the second sealing sleeve 11, and the outer surface of the first fixed rod 13 is fixedly installed with the third sealing sleeve 14, and the first sealing sleeve 8, the second sealing sleeve 11 and the third sealing sleeve 14 are all rubber sealing sleeves.
[0046] In this way, during the operation of the device, the first sealing sleeve 8, the second sealing sleeve 11 and the third sealing sleeve 14 move together with the first movable plug 7, the second movable plug 10 and the first fixed rod 13, and are always in close contact with the inner wall of the balance cavity 2, which can effectively prevent the leakage of hydraulic oil and ensure the stability of the pressure in the hydraulic cavity 5, thereby ensuring the normal operation of the hydraulic top drive device. At the same time, the sealing sleeve can also reduce the friction between the movable parts and the inner wall of the balance cavity 2, thereby prolonging the service life of the device.
[0047] Further, in the present example, an oil injection plug 18 is fixedly installed at the other end of the fixed sleeve 3 away from the outer sleeve 1, and the oil injection plug 18 extends to the inner surface of the hydraulic cavity 5 through the fixed sleeve 3.
[0048] In this way, when it is necessary to inject hydraulic oil into the hydraulic cavity 5, the oil injection plug 18 is opened, and the hydraulic oil is injected into the hydraulic cavity 5 through the oil injection plug 18. After the injection is completed, the oil injection plug 18 is tightened. The arrangement of the oil injection plug 18 facilitates the injection of hydraulic oil into the hydraulic cavity 5, and facilitates the maintenance and maintenance of the hydraulic top drive device, thereby ensuring the normal operation of the device.
[0049] In order to further illustrate the technical features of the hydraulic top drive device with scales given in the above example, the use process thereof will be illustrated below with reference to the accompanying drawings.
[0050] In combination Figures 1 to 7 , when the hydraulic top drive device is in operation, the hydraulic oil is injected into the hydraulic cavity 5 through the oil injection plug 18, a pressure is formed in the hydraulic cavity 5, and the hydraulic oil pushes the first movable plug 7, which drives the second movable plug 10, the connecting column 12, the first fixed rod 13, the second fixed rod 15 and the push block 16 to move together through the connecting rod 9. The spring 6 plays a buffering and resetting role when the first movable plug 7 moves.
[0051] The balance cavity 2 penetrates the outer sleeve 1, and when the device is working in an underwater environment, the balance cavity 2 can be filled with liquid, and the first movable plug 7, the second movable plug 10 and the first fixed rod 13 slide in the balance cavity 2, and the flow of the liquid balances the pressure inside and outside the device, thereby ensuring the normal operation of the device.
[0052] When the first fixed rod 13 moves, the movable rod 1705 slides on the outer surface of the scale sleeve 1702, the first pointer 1706 on the movable rod 1705 slides along the sliding groove 1703, and the first pointer 1706 cooperates with the scale 1704 to indicate the movement distance of the first fixed rod 13, i.e. the stroke of the top drive device. At the same time, the second pointer 1707 is located directly above the first fixed rod 13, and can be observed from different angles to assist the observation of the stroke as the first fixed rod 13 moves.
[0053] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A hydraulic top drive device with scale, comprising a jacket (1) and a fixed sleeve (3) which is internally interconnected with the jacket (1), characterized in that: The outer sleeve (1) is provided with a balance cavity (2) on the inner surface and the outer surface, a plurality of anti-skid sleeves (4) are fixedly installed on the outer surface of the fixing sleeve (3) in equidistant distribution, a hydraulic cavity (5) is opened on the inner surface of the fixing sleeve (3), a spring (6) is fixedly installed on the other end of the inner surface of the hydraulic cavity (5) away from the outer sleeve (1), a first movable plug (7) is fixedly installed on the other end of the spring (6) close to the outer sleeve (1), a connecting rod (9) is fixedly installed on the other end of the first movable plug (7) away from the spring (6), a second movable plug (10) is fixedly installed on the other end of the connecting rod (9) away from the first movable plug (7), a connecting column (12) is fixedly installed on the other end of the second movable plug (10) away from the connecting rod (9), a first fixed rod (13) is fixedly installed on the other end of the connecting column (12) away from the connecting rod (9), a second fixed rod (15) is fixedly installed on the other end of the first fixed rod (13) away from the fixing sleeve (3), a push block (16) is fixedly installed on the other end of the second fixed rod (15) away from the first fixed rod (13), and a scale assembly (17) is fixedly installed on the outer surface of the fixing sleeve (3).
2. A hydraulic top drive apparatus with scales as claimed in claim 1, wherein: The scale assembly (17) comprises a mounting seat (1701), a scale sleeve (1702) is fixedly installed on the outer surface of the mounting seat (1701), a sliding groove (1703) is fixedly installed on the outer surface of the scale sleeve (1702), a scale ruler (1704) is fixedly installed on the outer surface of the scale sleeve (1702), a movable rod (1705) is slidably connected to the outer surface of the scale sleeve (1702), a first pointer (1706) is fixedly installed on the outer surface of the movable rod (1705), the first pointer (1706) is slidably connected to the sliding groove (1703), and the first pointer (1706) is matched with the scale ruler (1704).
3. A hydraulic top drive apparatus with a scale according to claim 2, characterized in that: A second pointer (1707) is fixedly installed on one end of the movable rod (1705) close to the outer sleeve (1), and the second pointer (1707) is located directly above the first fixed rod (13).
4. The hydraulic top drive apparatus with scales of claim 3, wherein: An installation plate (1708), a connecting block (1709) and a handle (1710) are fixedly installed on the outer surface of the scale sleeve (1702).
5. The hydraulic top drive apparatus with scales of claim 1, wherein: The balance cavity (2) penetrates the inner surface of the outer sleeve (1) and extends to the outer surface thereof, and the first movable plug (7), the second movable plug (10) and the first fixed rod (13) are all slidably connected to the balance cavity (2).
6. The hydraulic top drive apparatus with scales of claim 1, wherein: A first sealing sleeve (8) is fixedly installed on the outer surface of the first movable plug (7), a second sealing sleeve (11) is fixedly installed on the other end of the second movable plug (10), and a third sealing sleeve (14) is fixedly installed on the outer surface of the first fixed rod (13), and the first sealing sleeve (8), the second sealing sleeve (11) and the third sealing sleeve (14) are all rubber sealing sleeves.
7. The hydraulic top drive apparatus with scales of claim 1, wherein: An oil injection plug (18) is fixedly installed on the other end of the fixing sleeve (3) away from the outer sleeve (1), and the oil injection plug (18) penetrates the fixing sleeve (3) and extends to the inner surface of the hydraulic cavity (5).
Citation Information
Patent Citations
Hydraulic top drive device
CN219412454U