CN220279501U - Hydraulic wrench for pin lock structure - Google Patents

Abstract

The utility model relates to a hydraulic wrench for a pin lock structure, which comprises a bracket, a driving mechanism and a wrench; the bracket comprises a base and a sliding arc fixed on one side of the base; the sliding arc is of an arc-shaped structure with a hollow inside, and an arc-shaped opening faces to one side far away from the base; the driving mechanism is fixed at the lower end of the base; the upper part of the driving mechanism penetrates into the base, and a gear is fixed at the tail end of the driving mechanism; two ends of the sliding arc are respectively hinged with a hook; the sliding arc inner cavity is provided with an arc-shaped rack in a sliding manner; the outer side of the gear penetrates into the sliding arc inner cavity and is meshed with the rack; the upper part of the sliding arc is provided with a through chute; a fixed seat is fixed at the upper end of the middle part of the rack; the fixed seat can slide in the chute; and the upper end of the fixing seat penetrates out of the sliding groove, and then the tail end of the wrench is detachably fixed.

Description

Hydraulic wrench for pin lock structure

Technical Field

The utility model relates to a hydraulic wrench for a pin lock structure, and belongs to the technical field of installation tools.

Background

In recent years, the plug-in structure is widely applied to the connection of members in various fields, has the advantages of no need of welding, no need of curing agent, capability of automatically adapting to the eccentricity of a connecting piece and convenient implementation, and is suitable for the connection of various assembly structures.

The Chinese patent with the patent publication number of CN216044880U relates to an automatic eccentric adjustable connecting structure, which comprises a locking part and a bolt part which are respectively arranged on two components; an adjusting part is arranged between the locking part and the bolt part; the locking part comprises a lock cylinder which is opened towards the bolt part, a support sleeve which is arranged at the open end of the lock cylinder in a threaded manner, a floating sleeve which is movably arranged on the support sleeve and a locking mechanism which is arranged on the floating sleeve; the floating sleeve can move along the radial direction of the lock cylinder; the bolt part comprises a pin barrel and a bolt head; the pin barrel is opened towards the locking part; the bolt head comprises a threaded end in threaded connection with the open end of the pin barrel and a bolt end fixed on the threaded end; the periphery of the upper part of the bolt end is provided with an annular groove; after the pin end passes through the supporting sleeve and the floating sleeve upwards, the annular groove is matched and fixed with the locking mechanism; the adjusting part is sleeved on the bolt end and can control the depth of the bolt head inserted into the lock cylinder; the other end of the lock cylinder and the other end of the pin cylinder are respectively provided with a connecting piece.

However, in the actual use process, when the adjusting part of the pin lock structure is adjusted between the two components, the requirement of high torsion and the requirement of ensuring the consistency of the torsion of each connector during the plug-in connection of the pin lock structure cannot be met at the same time when the adjusting part is simply operated by a worker through an ordinary wrench.

Disclosure of Invention

In order to overcome the problems, the utility model provides a hydraulic wrench for a pin lock structure, which has a simple structure, small volume and light weight, and can rapidly complete the tightening operation of an adjusting part while meeting the tightening torque.

The technical scheme of the utility model is as follows:

a hydraulic wrench for a pin lock structure comprises a bracket, a driving mechanism and a wrench; the bracket comprises a base and a sliding arc fixed on one side of the base; the sliding arc is of an arc-shaped structure with a hollow inside, and an arc-shaped opening faces to one side far away from the base; the driving mechanism is fixed at the lower end of the base; the upper part of the driving mechanism penetrates into the base, and a gear is fixed at the tail end of the driving mechanism; two ends of the sliding arc are respectively hinged with a hook; the sliding arc inner cavity is provided with an arc-shaped rack in a sliding manner; the outer side of the gear penetrates into the sliding arc inner cavity and is meshed with the rack; the upper part of the sliding arc is provided with a through chute; a fixed seat is fixed at the upper end of the middle part of the rack; the fixed seat can slide in the chute; and the upper end of the fixing seat penetrates out of the sliding groove, and then the tail end of the wrench is detachably fixed.

Further, an outer guide rail is fixed on one side of the sliding arc inner cavity, which is close to the base, and an inner guide rail is fixed on one side, which is far away from the base; the rack is arranged between the outer guide rail and the inner guide rail in a sliding manner; the middle part of the outer guide rail is provided with an avoidance groove in a penetrating way; and the outer side of the gear passes through the avoidance groove and then is meshed with the rack.

Further, an accommodating groove is formed in the middle of the upper end of the fixing seat; an upper fixing plate is fixed at the upper end of the fixing seat and covers the accommodating groove; the wrench tail end is located between the accommodating groove and the upper fixing plate.

Further, a fastening mechanism is further arranged on the fixing seat; the fastening mechanism comprises an adjusting screw rod, a pressing block and an adjusting handle; the middle part of the adjusting screw rod penetrates through the upper fixing plate and is in threaded connection with the upper fixing plate; the adjusting handle is fixed at the top of the adjusting screw rod, and the pressing block is fixed at the bottom of the adjusting screw rod; the lower end of the pressing block is tightly attached to the tail end of the wrench.

Further, the driving mechanism is a hydraulic cylinder; and an output shaft of the hydraulic cylinder penetrates through the bottom of the base and is fixed with the gear.

Further, two limiting blocks are respectively fixed at the tail ends of the two sides of the inner cavity of the sliding arc; the limiting block is located at the inner side of the hook.

Further, the hook part of the hook is arranged towards one side far away from the other hook.

Further, rubber pads are fixed at the bottom of the pressing block and in the accommodating groove; the rubber pad is attached to the periphery of the tail end of the wrench.

The utility model has the following beneficial effects:

1. the hydraulic wrench is simple in structure, small in size and light in weight, and can rapidly complete the tightening operation of the adjusting part while meeting the tightening torque.

2. The driving mechanism is fixed at the lower end of the base, and the sliding of the rack is realized through the meshing of the gear and the rack. The rack is fixed with the fixing base, and the tail end of the wrench is detachably mounted on the fixing base, and then the driving mechanism drives the gear to rotate, so that the rack can be driven to slide in the sliding arc, and then the fixing base drives the wrench to rotate, and finally the operation of the wrench is realized.

3. The fastening mechanism is mainly used for further fixing the wrench. The adjusting screw is in threaded fit with the upper fixing plate, so that the adjusting screw can move up and down on the upper fixing plate when the adjusting screw is rotated; the adjusting handle is used for rotating the adjusting screw rod more conveniently; the pressing block at the lower end of the adjusting screw rod can press or loosen the wrench through the rotation of the adjusting screw rod, so that the wrench can be detachably fixed.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a right side view of fig. 1.

Fig. 4 is a schematic view of the internal structure of the present utility model.

Fig. 5 is a partial enlarged view at a of fig. 4.

Fig. 6 is a top view of fig. 4.

Fig. 7 is a schematic view of the usage state of the present utility model.

Fig. 8 is a schematic view of the cooperation of the adjusting portion of the latch structure according to the present utility model.

The reference numerals in the drawings are as follows:

1. a bracket; 11. a base; 12. a sliding arc; 13. a chute; 14. an inner rail; 15. an outer rail; 16. an avoidance groove; 17. a limiting block; 18. a hook; 19. a hook portion; 2. a driving mechanism; 21. a gear; 22. a hydraulic cylinder; 3. a rack; 31. a fixing seat; 32. a receiving groove; 33. an upper fixing plate; 34. adjusting a screw; 35. briquetting; 36. adjusting the handle; 4. a wrench; 5. a member; 51. a locking part; 52. a plug pin part; 53. an adjusting part.

Detailed Description

The utility model will now be described in detail with reference to the drawings and to specific embodiments.

Referring to fig. 1-8, a hydraulic wrench for a latch structure includes a bracket 1, a driving mechanism 2, and a wrench 4; the bracket 1 comprises a base 11 and a sliding arc 12 fixed on one side of the base 11; the sliding arc 12 has a hollow arc structure, and an arc opening faces to one side far away from the base 11; the driving mechanism 2 is fixed at the lower end of the base 11; the upper part of the driving mechanism 2 penetrates into the base 11, and a gear 21 is fixed at the tail end of the driving mechanism; the two ends of the sliding arc 12 are respectively hinged with a hook 18; an arc-shaped rack 3 is arranged in the inner cavity of the sliding arc 12 in a sliding manner; the outer side of the gear 21 penetrates into the inner cavity of the sliding arc 12 and is meshed with the rack 3; the upper part of the sliding arc 12 is provided with a through chute 13; a fixed seat 31 is fixed at the upper end of the middle part of the rack 3; the fixed seat 31 can slide in the chute 13; the upper end of the fixing seat 31 is detachably fixed with the end of the wrench 4 after penetrating out of the chute 13.

According to the above description, the hydraulic wrench for the latch structure mainly includes the bracket 1, the driving mechanism 2, and the wrench 4. The bracket 1 plays a role of fixed support and comprises a base 11 and a sliding arc 12; the rack 3 is arranged in the sliding arc 12 in a sliding way; the driving mechanism 2 is fixed to the lower end of the base 11, and the rack 3 slides by meshing the gear 21 with the rack 3. The rack 3 is fixed with the fixing base 31, and the end of the wrench 4 is detachably arranged on the fixing base 31, and then the driving mechanism 2 drives the gear 21 to rotate, so that the rack 3 can be driven to slide in the sliding arc 12, and then the wrench 4 is driven to rotate through the fixing base 31, and finally the operation on the wrench 4 is realized.

In particular, the hydraulic wrench is mainly used for tightening a pin lock structure, for example, an automatically-adjustable eccentric connecting structure of chinese utility model patent publication No. CN216044880U, a snap-in screw unscrew pin lock structure of chinese utility model patent publication No. CN212079862U, an adjustable eccentric pin lock connecting structure of chinese utility model patent publication No. CN212455135U, and the like, and the adjusting portion 53 of the pin lock structure is adjusted.

Further, an outer guide rail 15 is fixed to the inner cavity of the sliding arc 12 at a side close to the base 11, and an inner guide rail 14 is fixed to a side far away from the base 11; the rack 3 is slidably arranged between the outer guide rail 15 and the inner guide rail 14; the middle part of the outer guide rail 15 is provided with an avoidance groove 16 in a penetrating way; the outer side of the gear 21 passes through the avoidance groove 16 and then is meshed with the rack 3. The inner guide rail 14 and the outer guide rail 15 mainly guide the rack 3, so that the rack 3 can precisely slide in the sliding arc 12 without deviation.

Further, a receiving groove 32 is formed in the middle of the upper end of the fixing seat 31; an upper fixing plate 33 fixed on the upper end of the fixing base 31 and covering the accommodating groove 32; the end of the wrench 4 is located between the receiving groove 32 and the upper fixing plate 33. The accommodating groove 32 is used for accommodating the wrench 4, and the upper fixing plate 33 is used for pressing the wrench 4 to prevent the wrench 4 from falling off.

Further, a fastening mechanism is further disposed on the fixing seat 31; the fastening mechanism comprises an adjusting screw 34, a pressing block 35 and an adjusting handle 36; the middle part of the adjusting screw 34 passes through the upper fixing plate 33 and is in threaded connection with the upper fixing plate 33; the top of the adjusting screw 34 is fixed with the adjusting handle 36, and the pressing block 35 is fixed at the bottom of the adjusting screw 34; the lower end of the pressing block 35 is closely attached to the tail end of the wrench 4. The fastening mechanism is mainly used for further fixing the wrench 4. The adjusting screw 34 is in threaded fit with the upper fixing plate 33, so that the adjusting screw 34 can move up and down on the upper fixing plate 33 when the adjusting screw 34 is rotated; the adjustment knob 36 is used to more conveniently rotate the adjustment screw 34; the pressing block 35 at the lower end of the adjusting screw 34 can press or release the wrench 4 by rotating the adjusting screw 34, so as to realize the detachable fixation of the wrench 4.

Further, the driving mechanism 2 is a hydraulic cylinder 22; the output shaft of the hydraulic cylinder 22 passes through the bottom of the base 11 and is fixed to the gear 21.

In particular, the drive mechanism 2 may also be a motor or a cylinder.

Further, two limiting blocks 17 are respectively fixed at the tail ends of the two sides of the inner cavity of the sliding arc 12; the limiting block 17 is located on the inner side of the hook 18. The limiting block 17 is mainly used for limiting the sliding range of the rack 3 and preventing the rack 3 from being damaged due to collision with the hook 18.

Further, the hook portion 19 of the hook 18 is disposed toward a side away from the other hook 18.

Further, rubber pads are fixed at the bottom of the pressing block 35 and in the accommodating groove 32; the rubber pad is attached to the periphery of the tail end of the wrench 4. The rubber pad mainly plays the role of friction increase and buffering, on one hand, the wrench 4 can be tightly pressed to prevent falling, and on the other hand, the wrench 4 can be damped to prolong the service life of the wrench.

The working principle of the utility model is as follows:

before the hydraulic wrench is used, a worker can operate the adjusting part 53 through an ordinary wrench until the hydraulic wrench is replaced by the hydraulic wrench to carry out final torque tightening work when the hydraulic wrench is quickly tightened; the hydraulic wrench can also be directly used for completing the whole set of screwing operation.

Referring to fig. 7 to 8, when the hydraulic wrench is used, first, the hooks 19 of the hooks 18 are hooked on the adjusting parts 53 of the latch structures at both sides of the latch structure to be adjusted by the hooks 18 at both sides of the sliding arc 12, so as to fix the hydraulic wrench. Next, the position of the rack 3 on the sliding arc 12 is adjusted by the gear 21 driven by the hydraulic cylinder 22 so that the opening of the wrench 4 matches the outer end face of the adjusting portion 53 of the latch structure to be adjusted. Then, the adjusting screw 34 is unscrewed, so that the pressing block 35 releases the wrench 4, and then the position of the wrench 4 is adjusted, so that the wrench 4 enters between the two members 5 forwards until the opening of the wrench 4 is clamped on the adjusting part 53 of the pin lock structure to be adjusted, and then the adjusting screw 34 is screwed to fasten the pressing block 35 to the wrench 4. Then, the hydraulic cylinder 22 is started to operate, and the wrench 4 is finally driven to rotate forward to screw the adjusting portion 53 by driving the gear 21 to rotate forward, so that the plug pin portion 52 is gradually inserted into the locking portion 51. Then, the adjusting screw 34 is unscrewed to release the wrench 4, the wrench 4 is operated to withdraw from the adjusting part 53 of the pin lock structure to be adjusted, the hydraulic cylinder 22 is driven to drive the gear 21 to rotate reversely, the rack 3 is driven to reset, the opening of the wrench 4 is matched with the outer end face of the adjusting part 53 of the pin lock structure to be adjusted again after reset, the wrench 4 is moved forwards until the opening of the wrench 4 is clamped on the adjusting part 53 of the pin lock structure to be adjusted, the adjusting screw 34 is screwed down, the wrench 4 is fixed, and next screwing operation is carried out. The steps are repeated, and through the continuous screwing and resetting operation of the wrench 4, the bolt part 52 of the pin lock structure to be adjusted is finally completely inserted into the locking part 51, so that the pin lock structure to be adjusted is inserted and fixed, and the specified torsion requirement is met.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (8)

1. A hydraulic wrench for pin lock structure, its characterized in that: comprises a bracket (1), a driving mechanism (2) and a wrench (4); the bracket (1) comprises a base (11) and a sliding arc (12) fixed on one side of the base (11); the sliding arc (12) is of an arc-shaped structure with a hollow inside, and an arc-shaped opening faces to one side far away from the base (11); the driving mechanism (2) is fixed at the lower end of the base (11); the upper part of the driving mechanism (2) penetrates into the base (11), and a gear (21) is fixed at the tail end of the driving mechanism; two ends of the sliding arc (12) are respectively hinged with a hook (18); an arc-shaped rack (3) is arranged in the inner cavity of the sliding arc (12) in a sliding manner; the outer side of the gear (21) penetrates into the inner cavity of the sliding arc (12) and is meshed with the rack (3); the upper part of the sliding arc (12) is provided with a through chute (13); a fixed seat (31) is fixed at the upper end of the middle part of the rack (3); the fixed seat (31) can slide in the sliding groove (13); and the tail end of the wrench (4) is detachably fixed after the upper end of the fixing seat (31) penetrates out of the sliding groove (13).

2. The hydraulic wrench for a latch structure according to claim 1, wherein: an outer guide rail (15) is fixed on one side of the inner cavity of the sliding arc (12) close to the base (11), and an inner guide rail (14) is fixed on one side of the inner cavity far away from the base (11); the rack (3) is arranged between the outer guide rail (15) and the inner guide rail (14) in a sliding manner; an avoidance groove (16) is formed in the middle of the outer guide rail (15) in a penetrating manner; the outer side of the gear (21) passes through the avoidance groove (16) and then is meshed with the rack (3).

3. The hydraulic wrench for a latch structure according to claim 1, wherein: an accommodating groove (32) is formed in the middle of the upper end of the fixed seat (31); an upper fixing plate (33) is fixed at the upper end of the fixing seat (31) and covers the accommodating groove (32); the tail end of the wrench (4) is positioned between the accommodating groove (32) and the upper fixing plate (33).

4. A hydraulic wrench for a latch arrangement according to claim 3, wherein: a fastening mechanism is further arranged on the fixed seat (31); the fastening mechanism comprises an adjusting screw rod (34), a pressing block (35) and an adjusting handle (36); the middle part of the adjusting screw rod (34) penetrates through the upper fixing plate (33) and is in threaded connection with the upper fixing plate (33); the top of the adjusting screw (34) is fixedly provided with the adjusting handle (36), and the pressing block (35) is fixed at the bottom of the adjusting screw (34); the lower end of the pressing block (35) is tightly attached to the tail end of the wrench (4).

5. The hydraulic wrench for a latch structure according to claim 1, wherein: the driving mechanism (2) is a hydraulic cylinder (22); the output shaft of the hydraulic cylinder (22) penetrates through the bottom of the base (11) and then is fixed with the gear (21).

6. The hydraulic wrench for a latch structure according to claim 1, wherein: limiting blocks (17) are respectively fixed at the tail ends of two sides of the inner cavity of the sliding arc (12); the limiting block (17) is located at the inner side of the hook (18).

7. The hydraulic wrench for a latch structure according to claim 1, wherein: a hook portion (19) of the hook (18) is arranged towards the side far away from the other hook (18).

8. The hydraulic wrench for a latch mechanism according to claim 4, wherein: rubber pads are fixed at the bottom of the pressing block (35) and in the accommodating groove (32); the rubber pad is attached to the periphery of the tail end of the wrench (4).