Portable hydraulic shaft penetrating device

Abstract

The invention relates to the technical field of shaft penetrating devices, and discloses a portable hydraulic shaft penetrating device which comprises a hydraulic push rod body. When an assembly shaft is plugged and clamped, the pressure of a hydraulic cavity of a hydraulic push rod body can be sharply increased, once the pressure exceeds a preset threshold value of an overflow valve, the overflow valve is automatically opened to achieve pressure diversion, redundant hydraulic oil is conveyed to an extrusion cover on the side wall of a connecting cover through a conveying pipe, and after the pressure in the extrusion cover is increased, a piston is pushed to slide outwards; the synchronous rod at the tail end of the piston is linked along with the piston to drive the swing arm to rotate around the rotating center of the swing arm, the swing arm drives the gear in the positioning seat to rotate through the synchronous shaft, and finally the positioning sleeve and the clamped assembly shaft are driven to rotate to adjust the direction to accurately avoid the stuck position; manual intervention is not needed in the whole process, the problems that traditional manual adjustment is long in time consumption and low in precision are solved, meanwhile, high-pressure damage to components is avoided through the pressure shunting design, and the assembling reliability is greatly improved.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of shaft penetrators, in particular, relates to a portable hydraulic shaft penetrator. BACKGROUND

[0002] In the field of mechanical assembly, the plug-in installation of assembled shafts is a core common process in the assembly process of various equipment, and is widely used in the production links of many industries such as engineering machinery, machine tool equipment, automobile parts, etc. The assembly efficiency and assembly reliability not only directly determine the assembly cycle of a single device, but also will chain affect the production capacity output and product delivery cycle of the whole production line, which has a key influence on the production efficiency of enterprises. At present, the plug-in operation of assembled shafts in the industry is assisted by simple hydraulic auxiliary equipment with simple structure, but due to the machining precision deviation of the assembly surface, the attachment of foreign matter during the assembly process, the slight deviation of the plug-in angle and other factors, it is easy to cause the assembled shaft to be stuck during the plug-in process.

[0003] Once stuck, the operator often chooses to forcibly increase the thrust of the hydraulic equipment to try to break through the obstruction to complete the plug-in. Such operation not only cannot effectively solve the sticking problem, but also has a direct negative impact on the hydraulic push rod, which may cause damage to the hydraulic push rod seal, deformation of the push rod body, internal hydraulic chamber leakage and other faults, thereby shortening the service life of the equipment, increasing the maintenance cost and the risk of production interruption.

[0004] Therefore, the present application is proposed. SUMMARY

[0005] To solve the above technical problems, the basic idea of the technical scheme of the present application is: A portable hydraulic shaft penetrator, comprising a hydraulic push rod body.

[0006] A connecting cover is installed at the output end of the hydraulic push rod body, a positioning sleeve is rotatably installed at the end of the connecting cover, a clamping assembly is installed on the positioning sleeve, and the clamping assembly is used for clamping the assembled shaft, and the hydraulic push rod body is used for pushing the assembled shaft to be plugged into a specified station. An overflow valve is connected to the side wall of the hydraulic cavity of the hydraulic push rod body, the overflow valve and the extrusion cover installed on the side wall of the connecting cover are in communication with each other, when the assembled shaft is stuck during the plug-in process, the internal pressure of the hydraulic push rod body increases, and the excess hydraulic oil is delivered to the inside of the extrusion cover through the overflow valve; The piston is slidably arranged inside the extrusion cover, a synchronous rod is mounted at the end of the piston, the synchronous rod is slidably connected with the swing arm rotating on the side wall of the connecting cover, a transmission gear is mounted at the rotation center of the swing arm, a reversing gear is arranged on the side wall of the transmission gear, the rotation center of the reversing gear is connected with the rotation center of the positioning sleeve, and when the excess hydraulic oil slides after the piston, the positioning sleeve and the connected assembly shaft are driven to rotate, so that the assembly shaft changes direction during assembly.

[0007] As a preferred embodiment of the present application, a hydraulic pump is mounted on the shell of the hydraulic push rod body, the output end of the hydraulic pump is connected with the hydraulic cavity of the hydraulic push rod body, the input end of the hydraulic pump is connected with the hydraulic oil tank, a delivery pipe is mounted on the overflow valve, the delivery pipe is a hose, the end of the delivery pipe is connected with the extrusion cover, one end of the delivery pipe is provided with a discharge pipe, and a valve is mounted on the discharge pipe.

[0008] As a preferred embodiment of the present application, an installation plate is mounted at the end of the hydraulic push rod body, a pair of mounting ears are welded on the installation plate, the mounting ears are triangular, a connecting shaft is penetrated and mounted in the mounting ears, the connecting shaft is used for connecting the mounting ears with external structures, and is used for positioning the working position of the hydraulic push rod body.

[0009] As a preferred embodiment of the present application, a sleeve rod is mounted on the back of the connecting cover, a sleeve hole is formed in the sleeve rod, the sleeve hole is inserted with the output end of the hydraulic push rod body, a plurality of locking bolts are penetrated and screwed on the sleeve rod, and the bottom of the locking bolt is extruded with the side wall of the output end of the hydraulic push rod body.

[0010] As a preferred embodiment of the present application, a guide ring is mounted on the back of the positioning sleeve, the guide ring is movably inserted into the connecting cover, a slide rail is mounted on the guide ring, a sliding groove is formed in the inner side wall of the connecting cover, and the sliding groove is slidably connected with the slide rail.

[0011] As a preferred embodiment of the present application, the clamping assembly comprises three pairs of top rods, the three pairs of top rods are uniformly and movably inserted into the positioning sleeve, a top plate is mounted at the end of each top rod, a ball is mounted at the top of the top rod, a guide sleeve is rotatably mounted on the outer side wall of the positioning sleeve, three pairs of slopes are mounted in the guide sleeve, the slopes are slidably connected with the corresponding balls, and the guide sleeve drives the slopes to rotate, thereby driving the top rods to move to the center and positioning the assembly shaft.

[0012] As a preferred embodiment of the present application, the outer wall of the ejector rod is provided with a baffle, a compression spring is arranged on the ejector rod in a sleeving mode, one end of the compression spring is clamped on the baffle, and the other end of the compression spring is clamped on the side wall of the positioning sleeve.

[0013] As a preferred embodiment of the present application, the extrusion cover is provided with a positioning frame, the positioning frame is movably penetrated by a synchronous rod, the extrusion cover is provided with a shutter, the side wall of the piston is provided with a back plate, a return spring is arranged on the synchronous rod in a sleeving mode, one end of the return spring is clamped on the back plate, and the other end of the return spring is clamped on the shutter.

[0014] As a preferred embodiment of the present application, the inside of the connecting cover is provided with a positioning seat, the inside of the positioning seat is rotatably provided with a synchronous shaft, one end of the synchronous shaft is connected with the rotation center of the swing arm, a strip-shaped slot is formed in the swing arm, a sliding rod is slidably arranged in the strip-shaped slot, the sliding rod is provided with a fixed block, and the end of the fixed block is arranged on the end of the synchronous rod.

[0015] As a preferred embodiment of the present application, the other end of the synchronous shaft is connected with the rotation center of the transmission gear, the radius of the transmission gear is greater than the radius of the reversing gear, and the transmission gear and the reversing gear are matched with each other, so that the rotation number of the reversing gear and the positioning sleeve is improved.

[0016] Compared with the prior art, the present application has the following advantages: 1、When the assembled shaft is inserted and clamped, the pressure in the hydraulic cavity of the hydraulic push rod body will increase sharply, and once the pressure exceeds the preset threshold value of the overflow valve, the overflow valve will be automatically opened to realize pressure diversion, and the excess hydraulic oil is transported to the extrusion cover on the side wall of the connecting cover through the delivery pipe, the pressure in the extrusion cover is increased to push the piston to slide outward, the synchronous rod at the end of the piston is linked to drive the swing arm to rotate around its rotation center, the swing arm drives the gears in the positioning seat to rotate through the synchronous shaft, and finally drives the positioning sleeve and the clamped assembled shaft to rotate to adjust the direction, and accurately avoids the clamped position; The whole process does not need manual intervention, solves the problems of long time consumption and low precision in traditional manual adjustment, and the pressure diversion design avoids damage to the parts under high pressure, and greatly improves the assembly reliability.

[0017] 2、The present application adopts integrated compact structure, the hydraulic push rod body, the connecting cover, the extrusion cover and other core components modular assembly, small and exquisite, light weight, convenient for the operator to carry, and it does not need external large auxiliary equipment, only with the integrated hydraulic system can complete the work, further strengthen the portable attribute, make the assembly shaft insertion operation more flexible and efficient under complex working conditions.

[0018] The specific embodiments of the application will be further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0019] In the drawings: Figure 1 It is a three-dimensional view of a portable hydraulic shaft penetrating device; Figure 2 It is a side view of a portable hydraulic shaft penetrating device; Figure 3 It is a rear view of a portable hydraulic shaft penetrating device; Figure 4 It is a partial view of a portable hydraulic shaft penetrating device; Figure 5 It is a cross-sectional view of a guide sleeve of a portable hydraulic shaft penetrating device; Figure 6 It is an assembly of a guide sleeve and a positioning sleeve of a portable hydraulic shaft penetrating device Figure 1 ; Figure 7 It is an assembly of a guide sleeve and a positioning sleeve of a portable hydraulic shaft penetrating device Figure 2 ; Figure 8 It is a cross-sectional view of a connecting cover of a portable hydraulic shaft penetrating device Figure 1 ; Figure 9 It is a cross-sectional view of a connecting cover of a portable hydraulic shaft penetrating device Figure 2 .

[0020] In the drawings: 1, hydraulic push rod body; 2, mounting plate; 3, mounting ear; 4, connecting shaft; 5, hydraulic pump; 6, connecting cover; 7, sleeve rod; 8, sleeve hole; 9, positioning sleeve; 10, guide ring; 11, slide rail; 12, slide groove; 13, jacking rod; 14, top plate; 15, baffle; 16, compression spring; 17, ball; 18, guide sleeve; 19, slope; 20, sliding plate; 21, guide block; 22, guide groove; 23, overflow valve; 24, delivery pipe; 25, extrusion cover; 26, positioning frame; 27, piston; 28, back plate; 29, synchronous rod; 30, shutter; 31, return spring; 32, fixed block; 33, swing arm; 34, strip-shaped groove; 35, synchronous shaft; 36, positioning seat; 37, transmission gear; 38, reversing gear; 39, slide rod. DETAILED DESCRIPTION

[0021] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings. The following embodiments are used to illustrate the present invention.

[0022] Example 1, such as Figures 1 to 9 As shown, a portable hydraulic shaft inserter includes a hydraulic push rod body 1, a connecting cover 6 installed at the output end of the hydraulic push rod body 1, a positioning sleeve 9 rotatably installed at the end of the connecting cover 6, a clamping assembly installed on the positioning sleeve 9, and the clamping assembly is used to clamp the assembly shaft, and the hydraulic push rod body 1 is used to push the assembly shaft to be inserted into the designated work position. The hydraulic chamber sidewall of the hydraulic push rod body 1 is connected to an overflow valve 23. The overflow valve 23 is connected to the extrusion cover 25 installed on the sidewall of the connecting cover 6. When jamming occurs during the assembly shaft insertion process, the internal pressure of the hydraulic push rod body 1 increases, and the excess hydraulic oil is transported to the extrusion cover 25 through the overflow valve 23. A piston 27 is slidably disposed inside the extrusion cover 25. A synchronizing rod 29 is installed at the end of the piston 27. The synchronizing rod 29 is slidably connected to the swing arm 33 that rotates on the side wall of the connecting cover 6. A transmission gear 37 is installed at the rotation center of the swing arm 33. A reversing gear 38 is meshed on the side wall of the transmission gear 37. The rotation center of the reversing gear 38 is connected to the rotation center of the positioning sleeve 9. When excess hydraulic oil squeezes the piston 27 to slide, it drives the positioning sleeve 9 and the connected assembly shaft to rotate, causing the assembly shaft to change direction during the assembly process.

[0023] like Figures 1 to 9 As shown, in a specific embodiment, a hydraulic pump 5 is installed on the outer shell of the hydraulic push rod body 1. The output end of the hydraulic pump 5 is connected to the hydraulic chamber of the hydraulic push rod body 1, and the input end of the hydraulic pump 5 is connected to the hydraulic oil tank. A delivery pipe 24 is installed on the overflow valve 23. The delivery pipe 24 is a flexible hose, and its end is connected to the extrusion cover 25. A discharge pipe is installed at one end of the delivery pipe 24, and a valve is installed on the discharge pipe. The hydraulic pump 5 provides a continuous power source for the hydraulic push rod body 1. The flexible delivery pipe 24 adapts to the relative positions of the components. The discharge pipe and valve facilitate the discharge of hydraulic oil and system reset, ensuring the stability of the hydraulic system's power supply and the convenience of operation.

[0024] like Figures 1 to 9As shown, further, the end of the hydraulic push rod body 1 outside is provided with a mounting plate 2, a pair of mounting ears 3 are welded on the mounting plate 2, the mounting ears 3 are triangular, a connecting shaft 4 is penetrated and mounted in the mounting ears 3, the connecting shaft 4 is convenient for the mounting ears 3 to be connected with the external structure, and is used for positioning the working position of the hydraulic push rod body 1. The triangular mounting ears 3 have high structural strength, the welding connection between the mounting plate 2 and the mounting ears 3 is stable, and the positioning and fixing of the hydraulic push rod body 1 and the external structure can be quickly realized by cooperating with the connecting shaft 4, so as to guarantee the position stability of the device during work and improve the installation efficiency.

[0025] Embodiment 2, different from the above embodiment and the present embodiment is: Figures 1 to 9 As shown, the back of the connecting cover 6 is provided with a sleeve rod 7, a sleeve hole 8 is formed in the sleeve rod 7, the sleeve hole 8 is inserted with the output end of the hydraulic push rod body 1, a plurality of locking bolts are penetrated and screwed on the sleeve rod 7, and the bottom of the locking bolt is pressed with the side wall of the output end of the hydraulic push rod body 1. Through the sleeve hole 8 of the sleeve rod 7 and the output end of the hydraulic push rod body 1, and then locked and fixed by the locking bolt, the detachable connection of the connecting cover 6 and the hydraulic push rod body 1 is realized, which is convenient for the maintenance and replacement of the parts, and at the same time guarantees the firmness of the connection.

[0026] As shown, Figures 1 to 9 In the specific embodiment, the back of the positioning sleeve 9 is provided with a guide ring 10, the guide ring 10 is movably inserted into the connecting cover 6, the guide ring 10 is provided with a sliding rail 11, and the inner side wall of the connecting cover 6 is provided with a sliding groove 12, which is in sliding connection with the sliding rail 11. The insertion of the guide ring 10 and the connecting cover 6 provides a mounting basis for the positioning sleeve 9, and the sliding connection of the sliding rail 11 and the sliding groove 12 ensures the coaxiality and stability of the positioning sleeve 9 during rotation, avoids deviation during rotation, and improves the accuracy of the assembly shaft angle adjustment.

[0027] As shown, Figures 1 to 9 Further, the clamping assembly includes three pairs of top rods 13, which are uniformly and circularly inserted into the positioning sleeve 9, the end of each top rod 13 is provided with a top plate 14, the top of the top rod 13 is provided with a ball 17, the outer side wall of the positioning sleeve 9 is rotatably provided with a guide sleeve 18, the guide sleeve 18 is internally provided with three pairs of slopes 19, the slopes 19 are in sliding connection with the corresponding balls 17, and after the guide sleeve 18 drives the slopes 19 to rotate, the top rods 13 are driven to move to the center and position the assembly shaft. The uniformly and circularly arranged top rods 13 can realize the centering and clamping of the assembly shaft, the top plate 14 increases the contact area with the assembly shaft, the ball 17 reduces the sliding friction with the slope 19, the driving mode of the guide sleeve 18 driving the slopes 19 to rotate is convenient to operate, can quickly realize the synchronous movement of the top rods 13, and guarantees the stability and centering accuracy of the clamping.

[0028] As shown, Figures 1 to 9As shown, further, the outer wall of the top rod 13 is provided with a baffle 15, a compression spring 16 is arranged on the top rod 13 in a sleeved manner, one end of the compression spring 16 is clamped on the baffle 15, the other end of the compression spring 16 is clamped on the side wall of the positioning sleeve 9, a sliding plate 20 is installed on the back of the guide sleeve 18, a guide block 21 is installed on the sliding plate 20, a guide groove 22 is formed in the positioning sleeve 9, the guide block 21 is arranged in the guide groove 22 in a sliding manner, a locking bolt is screwed and installed on the sliding plate 20, and the end of the locking bolt is attached to the surface of the positioning sleeve 9. The compression spring 16 provides a reset power for the top rod 13 through the baffle 15, which facilitates the quick reset of the top rod 13 after clamping is completed; the cooperation of the guide block 21 and the guide groove 22 ensures the stability of the trajectory of the guide sleeve 18 during rotation, and the locking bolt can fix the position of the guide sleeve 18 to avoid loosening of the guide sleeve 18 during clamping, thereby ensuring the reliability of the clamping state.

[0029] Embodiment 3, different from the above embodiments and the present embodiment is: Figures 1 to 9 As shown, the extrusion cover 25 is provided with a positioning frame 26, the positioning frame 26 is movably penetrated by a synchronous rod 29, the extrusion cover 25 is provided with a shutter 30, a back plate 28 is installed on the side wall of the piston 27, the synchronous rod 29 is provided with a reset spring 31 in a sleeved manner, one end of the reset spring 31 is clamped on the back plate 28, and the other end of the reset spring 31 is clamped on the shutter 30. The positioning frame 26 plays a guiding role in the movement of the synchronous rod 29, ensuring the linear motion accuracy thereof; the reset spring 31 can drive the piston 27 and the synchronous rod 29 to quickly reset after being stuck and adjusted through the cooperation of the back plate 28 and the shutter 30, thereby ensuring the smooth performance of the self-adaptive adjustment cycle.

[0030] As shown, Figures 1 to 9 In a specific embodiment, a positioning seat 36 is installed inside the connecting cover 6, a synchronous shaft 35 is rotatably installed inside the positioning seat 36, one end of the synchronous shaft 35 is connected with the rotation center of the swing arm 33, a strip-shaped groove 34 is formed in the swing arm 33, a sliding rod 39 is arranged in the strip-shaped groove 34 in a sliding manner, a fixed block 32 is installed on the sliding rod 39, and the end of the fixed block 32 is installed on the end of the synchronous rod 29. The positioning seat 36 provides stable rotary support for the synchronous shaft 35, the synchronous shaft 35 realizes the transmission of the rotary power of the swing arm 33, the sliding cooperation of the strip-shaped groove 34 and the sliding rod 39 converts the linear motion of the synchronous rod 29 into the rotary motion of the swing arm 33, and the fixed block 32 ensures the firmness of the connection between the synchronous rod 29 and the sliding rod 39, thereby improving the stability of power transmission.

[0031] As shown, Figures 1 to 9As shown, further, the other end of the synchronization shaft 35 is connected with the rotation center of the transmission gear 37, and the radius of the transmission gear 37 is greater than that of the reversing gear 38, the transmission gear 37 and the reversing gear 38 are matched with each other, and used for increasing the rotation number of the reversing gear 38 and the positioning sleeve 9. The synchronization shaft 35 realizes the power synchronization of the swing arm 33 and the transmission gear 37, and the radius difference design of the transmission gear 37 and the reversing gear 38 can amplify the rotation number, so that the positioning sleeve 9 drives the assembly shaft to produce more obvious angle adjustment, and it is easier to avoid the stuck position, and the efficiency of solving the stuck fault is improved.

[0032] The implementation principle of the portable hydraulic shaft penetrating device is as follows: first, the installation positioning of the device and the clamping and fixing of the assembly shaft are carried out, the operator connects the whole device and the external structure by using the connecting shaft 4 through the mounting plate 2 and the welded triangular mounting ear 3 on the outer shell of the hydraulic push rod body 1, and ensures that the working position of the hydraulic push rod body 1 is accurately positioned, thereby providing a stable basis for the subsequent pushing action. Then, the assembly shaft is clamped and placed in the positioning sleeve 9, the three pairs of inclined slopes 19 in the guide sleeve 18 are caused to slide relative to the ball 17 at the top of the top rod 13 by rotating the outer wall of the positioning sleeve 9, the inclined structure of the inclined slope 19 drives the three pairs of uniformly circumferential top rods 13 to move synchronously to the center, until the top plate 14 at the end of the top rod 13 is tightly attached to the outer wall of the assembly shaft, and the center clamping of the assembly shaft is realized. In this process, the compression spring 16 between the baffle 15 on the outer wall of the top rod 13 and the side wall of the positioning sleeve 9 is in a compressed state, providing elastic force for the subsequent reset of the top rod 13, and after clamping is completed, the locking bolt on the sliding plate 20 is tightened to limit the rotation of the guide sleeve 18 and ensure the stability of the clamping state.

[0033] After the positioning and clamping are completed, the shaft penetrating and pushing process is started, the operator controls the hydraulic pump 5 to work, the hydraulic pump 5 draws hydraulic oil from the hydraulic oil tank and delivers it to the hydraulic cavity of the hydraulic push rod body 1, the pressure in the hydraulic cavity is increased to push the output end to extend, the positioning sleeve 9 and the clamped assembly shaft are moved to the specified station by the connecting cover 6, and the insertion and pushing of the assembly shaft are realized. In the normal pushing process, the pressure in the hydraulic cavity is maintained within a stable range, and the overflow valve 23 is in a closed state to ensure stable output of the pushing force of the hydraulic push rod body 1. If the assembly shaft is stuck during insertion, the pressure in the hydraulic cavity of the hydraulic push rod body 1 will rise rapidly, and when the pressure exceeds the set threshold value of the overflow valve 23, the overflow valve 23 is automatically opened, the excess hydraulic oil in the hydraulic cavity is delivered to the inside of the extrusion cover 25 installed on the side wall of the connecting cover 6 through the delivery pipe 24, the pressure is shunted and released, and component damage caused by excessive pressure is avoided.

[0034] The adaptive adjustment phase of the stuck state is entered, the hydraulic oil pressure in the extrusion cover 25 is raised, the piston 27 slidingly arranged inside is pushed to slide outward, the synchronous rod 29 at the end of the piston 27 is synchronously moved, the fixed block 32 at the end of the synchronous rod 29 drives the sliding rod 39 to slide in the strip-shaped slot 34 of the swing arm 33, and the swing arm 33 is driven to rotate around the rotation center thereof. The rotation center of the swing arm 33 is connected with the transmission gear 37 in the positioning seat 36 through the synchronous shaft 35, the swing arm 33 drives the transmission gear 37 to synchronously rotate when rotating, the transmission gear 37 drives the reversing gear 38 meshing with the side wall to rotate, since the rotation center of the reversing gear 38 is connected with the rotation center of the positioning sleeve 9, and the radius of the transmission gear 37 is greater than the radius of the reversing gear 38, the rotation number of the reversing gear 38 and the positioning sleeve 9 can be increased through the design of the gear transmission ratio, the positioning sleeve 9 drives the clamped assembly shaft to rotate at an angle, the insertion direction of the assembly shaft is changed, the stuck position is avoided, and adaptive adjustment in the stuck state is realized. In this process, the positioning frame 26 on the extrusion cover 25 plays a guiding role on the synchronous rod 29, ensures the linear movement precision of the synchronous rod 29, and the reset spring 31 sleeved on the synchronous rod 29 is compressed by the back plate 28 and the shutter 30, so as to store elastic force for subsequent structure reset.

[0035] When the stuck fault of the assembly shaft after rotation adjustment is removed, the hydraulic pressure in the hydraulic cavity of the hydraulic push rod body 1 is reduced, the overflow valve 23 is closed to stop oil supply to the extrusion cover 25, and the hydraulic pressure on the conveying pipe 24 is discharged through the discharge pipe. At this time, the reset spring 31 releases the elastic force to push the piston 27 to slide reversely, the hydraulic oil in the extrusion cover 25 is returned through the conveying pipe 24, the synchronous rod 29 drives the swing arm 33 to rotate reversely, the positioning sleeve 9 is restored to the initial angle through gear transmission, and one adaptive adjustment cycle is completed. After the shaft is penetrated, the locking bolt on the sliding plate 20 is loosened, the compression spring 16 pushes the ejector rod 13 to reset, and the top plate 14 is separated from the assembly shaft, so that the whole shaft penetration operation is completed. The whole implementation process is cooperated through the mechanical structure and the hydraulic system, the efficient and stable insertion of the assembly shaft is realized, and the operation reliability under complex working conditions is improved through the adaptive adjustment mechanism.

Claims

1. A portable hydraulic shaft inserter, comprising a hydraulic push rod body (1), characterized in that: The hydraulic push rod body (1) has a connecting cover (6) installed at its output end. A positioning sleeve (9) is rotatably installed at the end of the connecting cover (6). A clamping component is installed on the positioning sleeve (9), and the clamping component is used to clamp the assembly shaft. The hydraulic push rod body (1) is used to push the assembly shaft to be inserted into the designated work position. The hydraulic chamber sidewall of the hydraulic push rod body (1) is connected to an overflow valve (23). The overflow valve (23) is connected to the extrusion cover (25) installed on the sidewall of the connecting cover (6). When jamming occurs during the assembly shaft insertion process, the internal pressure of the hydraulic push rod body (1) increases, and the excess hydraulic oil is transported to the inside of the extrusion cover (25) through the overflow valve (23). A piston (27) is slidably disposed inside the extrusion cover (25). A synchronizing rod (29) is installed at the end of the piston (27). The synchronizing rod (29) is slidably connected to the swing arm (33) that rotates on the side wall of the connecting cover (6). A transmission gear (37) is installed at the rotation center of the swing arm (33). A reversing gear (38) is meshed on the side wall of the transmission gear (37). The rotation center of the reversing gear (38) is connected to the rotation center of the positioning sleeve (9). When excess hydraulic oil squeezes the piston (27) to slide, it drives the positioning sleeve (9) and the connected assembly shaft to rotate, causing the assembly shaft to change direction during the assembly process.

2. The portable hydraulic shaft threader according to claim 1, characterized in that, A hydraulic pump (5) is installed on the outer shell of the hydraulic push rod body (1). The output end of the hydraulic pump (5) is connected to the hydraulic chamber of the hydraulic push rod body (1). The input end of the hydraulic pump (5) is connected to the hydraulic oil tank. A delivery pipe (24) is installed on the overflow valve (23). The delivery pipe (24) is a flexible hose. The end of the delivery pipe is connected to the extrusion cover (25). A discharge pipe is installed at one end of the delivery pipe (24), and a valve is installed on the discharge pipe.

3. A portable hydraulic shaft threader according to claim 1, characterized in that, A mounting plate (2) is installed on the outer end of the hydraulic push rod body (1). A pair of mounting ears (3) are welded on the mounting plate (2). The mounting ears (3) are triangular in shape. A connecting shaft (4) is installed through the mounting ears (3). The connecting shaft (4) facilitates the connection between the mounting ears (3) and the external structure and is used to position the working position of the hydraulic push rod body (1).

4. A portable hydraulic shaft threader according to claim 1, characterized in that, A sleeve rod (7) is installed on the back of the connecting cover (6). A sleeve hole (8) is opened inside the sleeve rod (7). The sleeve hole (8) is inserted into the output end of the hydraulic push rod body (1). Multiple pairs of locking bolts are screwed through the sleeve rod (7). The bottom of the locking bolts is pressed against the side wall of the output end of the hydraulic push rod body (1).

5. A portable hydraulic shaft threader according to claim 1, characterized in that, The positioning sleeve (9) is equipped with a guide ring (10) on its back. The guide ring (10) is movably inserted into the inside of the connecting cover (6). A slide rail (11) is installed on the guide ring (10). A slide groove (12) is opened on the inner side wall of the connecting cover (6). The slide groove (12) is slidably connected to the slide rail (11).

6. A portable hydraulic shaft threader according to claim 1, characterized in that, The clamping assembly includes three pairs of push rods (13), which are evenly inserted around the positioning sleeve (9). Each push rod (13) has a top plate (14) installed at its end. A ball bearing (17) is installed on the top of the push rod (13). A guide sleeve (18) is rotatably installed on the outer wall of the positioning sleeve (9). Three pairs of ramps (19) are installed inside the guide sleeve (18). The ramps (19) are slidably connected to the corresponding ball bearings (17). After the guide sleeve (18) drives the ramps (19) to rotate, it drives the push rods (13) to move towards the center and positions the assembly shaft.

7. A portable hydraulic shaft threader according to claim 6, characterized in that, A baffle (15) is installed on the outer wall of the top rod (13). A compression spring (16) is sleeved on the top rod (13). One end of the compression spring (16) is clamped on the baffle (15), and the other end of the compression spring (16) is clamped on the side wall of the positioning sleeve (9). A sliding plate (20) is installed on the back of the guide sleeve (18). A guide block (21) is installed on the sliding plate (20). A guide groove (22) is opened on the positioning sleeve (9). The guide block (21) is slidably disposed in the guide groove (22). A locking bolt is screwed on the sliding plate (20), and the end of the locking bolt is in contact with the surface of the positioning sleeve (9).

8. A portable hydraulic shaft threader according to claim 1, characterized in that, A positioning frame (26) is installed on the extrusion cover (25). The positioning frame (26) and the synchronizing rod (29) are movably connected. A cover plate (30) is installed on the extrusion cover (25). A back plate (28) is installed on the side wall of the piston (27). A reset spring (31) is sleeved on the synchronizing rod (29). One end of the reset spring (31) is snapped onto the back plate (28), and the other end of the reset spring (31) is snapped onto the cover plate (30).

9. A portable hydraulic shaft threader according to claim 1, characterized in that, The connecting cover (6) is equipped with a positioning seat (36), and a synchronous shaft (35) is rotatably installed inside the positioning seat (36). One end of the synchronous shaft (35) is connected to the rotation center of the swing arm (33). A strip groove (34) is provided on the swing arm (33), and a slide rod (39) is slidably provided on the strip groove (34). A fixing block (32) is installed on the slide rod (39), and the end of the fixing block (32) is installed at the end of the synchronous rod (29).

10. A portable hydraulic shaft threader according to claim 9, characterized in that, The other end of the synchronous shaft (35) is connected to the rotation center of the transmission gear (37), and the radius of the transmission gear (37) is greater than the radius of the reversing gear (38). The transmission gear (37) and the reversing gear (38) cooperate with each other to increase the number of rotations of the reversing gear (38) and the positioning sleeve (9).

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