CN219466040U - Hydraulic spanner torque conductor - Google Patents
Hydraulic spanner torque conductor Download PDFInfo
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- CN219466040U CN219466040U CN202123270675.2U CN202123270675U CN219466040U CN 219466040 U CN219466040 U CN 219466040U CN 202123270675 U CN202123270675 U CN 202123270675U CN 219466040 U CN219466040 U CN 219466040U
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Abstract
The utility model discloses a torque transducer of a hydraulic wrench, and belongs to the technical field of hydraulic wrench accessories. The torque transducer comprises a shell, wherein a hollow cavity is formed in the shell, a transmission assembly is arranged in the hollow cavity, the transmission assembly comprises a driving gear and a driven gear which are meshed with each other, and a first mounting hole matched with the driving gear and a second mounting hole matched with the driven gear are formed in the shell; the transmission assembly further comprises at least one intermediate transmission gear, the intermediate transmission gear is positioned between the driving gear and the driven gear and is meshed with the driving gear and the driven gear in sequence, and a third mounting hole matched with the intermediate transmission gear is formed in the shell. The torque transducer is matched with a hydraulic wrench for use, is suitable for dismounting nuts in a small space, has high transmission precision and small torque loss, and is suitable for transmission of larger torque.
Description
Technical Field
The utility model relates to the technical field of hydraulic spanner accessories, in particular to a hydraulic spanner torque transmitter.
Background
The hydraulic wrench is a conventional hydraulic torque wrench set, is mainly applied to the valve industry, and is suitable for the disassembly and assembly operations of various valve flange bolts. At present, a common hydraulic wrench cannot be deeply operated for disassembling and assembling nuts in a narrow space, and is inconvenient to disassemble and assemble by using a manual long-opening wrench and inaccurate in torque.
Through retrieving, chinese patent application No. 202011115395.1's application discloses a hexagonal head fastener dismouting spanner and application method outside narrow and small space, and the dismouting spanner of this application includes casing, driving sprocket, chain, driven sprocket and apron. The casing is hollow ribbon strip form, drive sprocket and driven sprocket fix the both sides in the casing respectively, drive sprocket and driven sprocket are connected to the chain, drive sprocket and driven sprocket's thickness all highly accords with the casing, drive sprocket is provided with the second through-hole along the axial, the second through-hole is connected with the power supply is detachable, driven sprocket is provided with first through-hole along the axial, first through-hole is unanimous with the head size of outer hexagon head fastener, the apron is connected with the casing is detachable, form the cavity after apron and the casing are connected, drive sprocket and driven sprocket's drive part and chain seal are in the cavity. Although the problem that the bolt is inconvenient to install or disassemble in a narrow space can be solved in the application, the application adopts a chain for transmission, the torque loss is large in the chain transmission process, and the transmission precision is small; in addition, the chain is not suitable for transmission with large torque, and the chain is easy to wear and deform in the transmission process to influence the use.
Disclosure of Invention
1. Problems to be solved
Aiming at the problem that the conventional hydraulic wrench is inconvenient to operate in a narrow space, the utility model provides the hydraulic wrench torque transmitter, and the technical scheme of the utility model is not only suitable for disassembling and assembling nuts in the narrow space, but also can ensure high transmission precision and small torque loss. Meanwhile, the device is suitable for transmission of larger moment.
2. Technical proposal
In order to solve the problems, the technical scheme adopted by the utility model is as follows:
the utility model relates to a torque transducer of a hydraulic wrench, which comprises a shell, wherein a hollow cavity is formed in the shell, a transmission assembly is arranged in the hollow cavity, the transmission assembly comprises a driving gear and a driven gear which are meshed with each other, and a first mounting hole matched with the driving gear and a second mounting hole matched with the driven gear are formed in the shell.
Further, the transmission assembly further comprises at least one intermediate transmission gear, the intermediate transmission gear is located between the driving gear and the driven gear and meshed with the driving gear and the driven gear in sequence, and a third mounting hole matched with the intermediate transmission gear is formed in the shell.
Further, through holes are formed in the axial directions of the driving gear and the driven gear, the through holes are square through holes or hexagonal through holes, and the shape and the size of the through holes are matched with those of the nuts.
Further, a through hole is formed in the axial direction of the intermediate transmission gear, the through hole is a square through hole or a hexagonal through hole, and the shape and the size of the through hole are matched with those of the nut.
Further, the inner walls of the first mounting hole, the second mounting hole and the third mounting hole are respectively provided with a first annular boss, a second annular boss and a third annular boss, and the driving gear, the driven gear and the intermediate transmission gear are respectively fixed in the corresponding bosses.
Further, bushings are arranged in the first mounting hole, the second mounting hole and the third mounting hole.
Further, the shell comprises an upper shell and a lower shell, wherein the upper shell comprises a first upper guard plate and a second upper guard plate which are mutually hinged, and the lower shell comprises a first lower guard plate and a second lower guard plate which are mutually hinged.
Further, the driving gear and the intermediate transmission gear are positioned in a cavity formed by the first upper guard plate and the first lower guard plate, and the driven gear is positioned in a cavity formed by the second upper guard plate and the second lower guard plate.
Further, a plurality of fixing holes are correspondingly formed in the upper shell and the lower shell, positioning pins are arranged on the lower shell, and positioning holes matched with the positioning pins are formed in the upper shell.
3. Advantageous effects
Compared with the prior art, the utility model has the beneficial effects that:
(1) According to the torque transducer of the hydraulic wrench, the driving gear, the intermediate transmission gear and the driven gear are sequentially meshed in the hollow cavity of the shell, and the torque transducer with the design is matched with the hydraulic wrench for use, so that the torque transducer can be suitable for dismounting and mounting nuts in a narrow space. The torque transducer adopts a gear structure for transmission, the instant transmission ratio is constant, the transmission efficiency is high, the transmission precision is ensured, and the torque loss in the transmission process is reduced. In addition, the gear transmission has compact structure, stability and reliability, and is suitable for transmission with larger moment.
(2) According to the torque transducer of the hydraulic wrench, the upper shell comprises the first upper guard plate and the second upper guard plate which are mutually hinged, the lower shell comprises the first lower guard plate and the second lower guard plate which are mutually hinged, the driving gear and the driven gear are respectively positioned in cavities formed by the different upper guard plates and the lower guard plates, when nuts of different types are disassembled, only the first guard plate of the shell is required to be disassembled, and the matched driven gear is replaced, and the whole transducer is not required to be disassembled, so that parts are more convenient and quick to replace, and the working efficiency is improved.
(3) According to the torque transmitter of the hydraulic spanner, the first annular boss, the second annular boss and the third annular boss are respectively arranged on the inner walls of the first mounting hole, the second mounting hole and the third mounting hole, and the driving gear, the driven gear and the intermediate transmission gear are respectively fixed in the corresponding bosses.
Drawings
FIG. 1 is a schematic diagram of a torque transducer of a hydraulic wrench according to the present utility model;
FIG. 2 is an exploded view of the torque transducer of the present utility model;
FIG. 3 is a schematic view of a transmission assembly according to the present utility model;
FIG. 4 is a schematic view of the structure of the lower housing of the present utility model;
fig. 5 is a schematic top view of the torque transducer of the present utility model.
In the figure: 1. a housing;
11. an upper housing; 111. a first upper guard plate; 112. a second upper guard plate;
12. a lower housing; 121. a first lower guard plate; 122. a second lower guard plate;
13. a first mounting hole; 131. a first annular boss;
14. a second mounting hole; 141. a second annular boss;
15. a third mounting hole; 151. a third annular boss; 16. a fixing hole;
2. a transmission assembly; 21. a drive gear; 22. a driven gear; 23. an intermediate transmission gear;
3. a positioning pin; 4. a bushing.
Detailed Description
The utility model is further described below in connection with specific embodiments.
Example 1
As shown in fig. 1, a torque transmitter of a hydraulic wrench of this embodiment includes a housing 1, the housing 1 has a hollow cavity, a transmission assembly 2 is disposed in the hollow cavity, the transmission assembly 2 includes a driving gear 21 and a driven gear 22 meshed with each other, and a first mounting hole 13 adapted to the driving gear 21 and a second mounting hole 14 adapted to the driven gear 22 are formed in the housing 1. The torque transducer with the design is matched with a hydraulic wrench for use, and can be suitable for dismounting and mounting nuts in a narrow space. The torque transducer adopts a gear structure for transmission, the instant transmission ratio is constant, the transmission efficiency is high, the transmission precision is ensured, and the torque loss in the transmission process is reduced. In addition, the gear transmission has compact structure, stability and reliability, and is suitable for transmission with larger moment.
As shown in fig. 2, the transmission assembly 2 in this embodiment further includes an intermediate transmission gear 23, where the intermediate transmission gear 23 is located between the driving gear 21 and the driven gear 22, and the three gears are meshed in sequence, and the housing 1 is provided with a third mounting hole 15 adapted to the intermediate transmission gear 23. Of course, a plurality of intermediate transmission gears 23 can be arranged and meshed with each other to prolong the length of the whole conductor, and the intermediate transmission gears 23 are suitable for the disassembly and assembly operation of nuts in a narrow space with a certain height or width, and the application range of the conductor is wider due to the arrangement of the plurality of intermediate transmission gears 23.
As shown in fig. 3, the driving gear 21 and the driven gear 22 are provided with through holes in the axial direction, the through holes are square through holes or hexagonal through holes, and can be in other shapes, and the shape and the size of the through holes are suitable for nuts and hydraulic wrenches with different specifications. When in use, the driving gear 21 and the driven gear 22 are selected appropriately; then, aligning the second through hole on the conductor with a nut to be mounted or dismounted, and connecting the nut with the driven gear 22; the hydraulic wrench is connected with the driving gear 21 through the first through hole; finally, the hydraulic wrench is started, and the disassembly and assembly work of the nut can be completed. Further, the intermediate transmission gear 23 is also provided with a through hole in the axial direction, the through hole is a square through hole or a hexagonal through hole, and the shape and the size of the through hole are also suitable for different nuts. The arrangement of the through holes provides various choices for the torque transducer when in use.
As shown in fig. 4, the inner walls of the first mounting hole 13, the second mounting hole 14 and the third mounting hole 15 are respectively provided with a first annular boss 131, a second annular boss 141 and a third annular boss 151, and the driving gear 21, the driven gear 22 and the intermediate transmission gear 23 are respectively fixed in the corresponding bosses. By the aid of the design, gears in the transmission assembly are more stable in the transmission process, dislocation is not easy to occur, and high transmission accuracy is further guaranteed. The bushings 4 are arranged in the first mounting holes 13, the second mounting holes 14 and the third mounting holes 15. The use of the bushing 4 can reduce the wear between the transmission assembly 2 and the mounting hole, prolong the service life of the transmission assembly 2, and have a certain sealing effect.
As shown in fig. 2 and 4, the housing 1 includes an upper housing 11 and a lower housing 12, wherein the upper housing 11 includes a first upper guard 111 and a second upper guard 112 hinged to each other, and the lower housing 12 includes a first lower guard 121 and a second lower guard 122 hinged to each other. The driving gear 21 and the intermediate transmission gear 23 are positioned in a cavity formed by the first upper guard plate 111 and the first lower guard plate 121, and the driven gear 22 is positioned in a cavity formed by the second upper guard plate 112 and the second lower guard plate 122. When the nuts of different models are disassembled, only the first guard plate of the shell is required to be disassembled, the driven gear 22 matched with the first guard plate is replaced, and the whole conductor is not required to be disassembled, so that the replacement of parts is more convenient and quick, and the working efficiency is improved. In addition, a plurality of fixing holes 16 are correspondingly formed in the upper shell 11 and the lower shell 12, the upper shell and the lower shell are connected through the fixing holes 16, the lower shell 12 is provided with a positioning pin 3, and the upper shell 11 is provided with a positioning hole mutually matched with the positioning pin 3.
In summary, the torque transducer of the hydraulic wrench of the embodiment is used in cooperation with the hydraulic wrench, and can be suitable for dismounting nuts in a small space. The torque transducer adopts a gear structure for transmission, has the advantages of high precision, small torque loss and the like, and is simultaneously suitable for transmission of larger torque.
The utility model and its embodiments have been described above by way of illustration and not limitation, and the utility model is illustrated in the accompanying drawings and described in the drawings in which the actual structure is not limited thereto. Therefore, if one of ordinary skill in the art is informed by this disclosure, the structural mode and the embodiments similar to the technical scheme are not creatively designed without departing from the gist of the present utility model.
Claims (9)
1. The utility model provides a hydraulic spanner moment conductor, includes casing (1), casing (1) in have hollow cavity, its characterized in that: the hollow cavity in be equipped with drive assembly (2), this drive assembly (2) are including intermeshing's driving gear (21) and driven gear (22), and set up on casing (1) with driving gear (21) looks adaptation first mounting hole (13), with driven gear (22) looks adaptation second mounting hole (14).
2. A hydraulic wrench torque transducer according to claim 1, wherein: the transmission assembly (2) further comprises at least one intermediate transmission gear (23), the intermediate transmission gear (23) is positioned between the driving gear (21) and the driven gear (22), the driving gear (21) and the driven gear (22) are meshed in sequence, and a third mounting hole (15) matched with the intermediate transmission gear (23) is formed in the shell (1).
3. A hydraulic wrench torque transducer according to claim 2, wherein: the driving gear (21) and the driven gear (22) are axially provided with through holes, the through holes are square through holes or hexagonal through holes, and the shape and the size of the through holes are matched with those of the nuts.
4. A hydraulic wrench torque transducer according to claim 3, wherein: the middle transmission gear (23) is axially provided with a through hole which is a square through hole or a hexagonal through hole, and the shape and the size of the through hole are matched with those of the screw cap.
5. The hydraulic wrench moment transmitter of claim 4, wherein: the inner walls of the first mounting hole (13), the second mounting hole (14) and the third mounting hole (15) are respectively provided with a first annular boss (131), a second annular boss (141) and a third annular boss (151), and the driving gear (21), the driven gear (22) and the intermediate transmission gear (23) are respectively fixed in the corresponding bosses.
6. The hydraulic wrench moment transmitter of claim 5, wherein: the bushings (4) are arranged in the first mounting holes (13), the second mounting holes (14) and the third mounting holes (15).
7. A hydraulic wrench torque transducer according to any one of claims 1-6, wherein: the shell (1) comprises an upper shell (11) and a lower shell (12), wherein the upper shell (11) comprises a first upper guard plate (111) and a second upper guard plate (112) which are mutually hinged, and the lower shell (12) comprises a first lower guard plate (121) and a second lower guard plate (122) which are mutually hinged.
8. The hydraulic wrench moment transmitter of claim 7, wherein: the driving gear (21) and the intermediate transmission gear (23) are positioned in a cavity formed by the first upper guard plate (111) and the first lower guard plate (121), and the driven gear (22) is positioned in a cavity formed by the second upper guard plate (112) and the second lower guard plate (122).
9. The hydraulic wrench moment transmitter of claim 8, wherein: the upper shell (11) and the lower shell (12) are correspondingly provided with a plurality of fixing holes (16), the lower shell (12) is provided with a positioning pin (3), and the upper shell (11) is provided with a positioning hole which is mutually matched with the positioning pin (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123270675.2U CN219466040U (en) | 2021-12-21 | 2021-12-21 | Hydraulic spanner torque conductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123270675.2U CN219466040U (en) | 2021-12-21 | 2021-12-21 | Hydraulic spanner torque conductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219466040U true CN219466040U (en) | 2023-08-04 |
Family
ID=87460574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123270675.2U Active CN219466040U (en) | 2021-12-21 | 2021-12-21 | Hydraulic spanner torque conductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219466040U (en) |
-
2021
- 2021-12-21 CN CN202123270675.2U patent/CN219466040U/en active Active
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