阅读说明：本技术 能调节大轴车加工千斤顶装置 (Adjustable large-shaft machining jack device ) 是由 李宗祥 张靖 唐静 于 2020-05-16 设计创作，主要内容包括：本发明公开了能调节大轴车加工千斤顶装置,包括：弧形托架、球形调节螺栓、调节螺栓、长方形支撑架、千斤顶、快速压力杆手柄、磁座、V型槽、磁性开关、加强筋、微调压力杆手柄、油缸、旋转挡板、放油阀、大缸、大活塞、支撑柱、单向阀、中活塞、中缸、小活塞、小缸。该装置主要用于大轴类的辅助设备,采用机械与千斤顶的技术原理,解决了大轴类车加工装夹的一道技术难题,装置中的千斤顶采用双压杆操作,快速压力杆和微调压力杆采用二选一操作模式,装置的上方有弧形托架,用于支撑大轴,弧形托架上的调节螺栓可根据大轴直径调节。该装置可根据要求快速而准确的调整高度,移动不同直径大小的轴类,方便快捷,安全可靠。(The invention discloses a device capable of adjusting a large-shaft turning jack, which comprises: the device comprises an arc-shaped bracket, a spherical adjusting bolt, an adjusting bolt, a rectangular supporting frame, a jack, a quick pressure rod handle, a magnetic seat, a V-shaped groove, a magnetic switch, a reinforcing rib, a fine adjustment pressure rod handle, an oil cylinder, a rotary baffle, an oil drain valve, a large cylinder, a large piston, a supporting column, a one-way valve, a middle piston, a middle cylinder, a small piston and a small cylinder. The device mainly used main use major axis class's auxiliary assembly adopts the technical principle of machinery and jack, has solved major axis class car processing clamping one technological problem, and jack in the device adopts two pressure bars to operate, and quick pressure bar and fine setting pressure bar adopt two alternative operation mode, and there is the arc bracket top of device for support major axis, adjusting bolt on the arc bracket can be adjusted according to major axis diameter. The device can be according to the requirement quick and accurate adjustment height, removes the axle class of different diameters size, convenient and fast, safe and reliable.)

1. Can adjust main shaft car processing jack device, its characterized in that: the lathe track adjusting device comprises an arc-shaped bracket, a spherical adjusting bolt, an adjusting bolt, a rectangular supporting frame, a jack, a quick pressure rod handle, a magnetic seat, a V-shaped groove, a magnetic switch, a reinforcing rib, a fine adjustment pressure rod handle, an oil cylinder, a rotary baffle, an oil drain valve, a large cylinder, a large piston, a supporting column, a one-way valve, a middle piston, a middle cylinder, a small piston and a small cylinder, wherein the magnetic seat is rectangular, the knob type magnetic switch is arranged on the front side of the magnetic seat, the V-shaped groove is formed in the two sides of the magnetic seat, and the V-shaped groove is matched with a lathe track.

2. An adjustable large-axle turning jack device according to claim 1, characterised in that: the jack is arranged on the upper end of the magnetic seat, reinforcing ribs are arranged on two sides of the jack and connected with the magnetic seat, a quick pressure rod handle is arranged on the front side of the jack, a fine adjustment pressure rod handle is arranged on the back side of the jack, a hydraulic mechanism is arranged in the jack, the upper end of the jack is connected with a rectangular support frame, an arc-shaped groove is formed in the top of the rectangular support frame, the upper portion of the rectangular support frame is identical with an arc-shaped bracket, the rectangular support frame is connected with the two sides of the arc-shaped bracket through the reinforcing ribs, a large shaft is arranged on the arc-shaped bracket, a spherical adjusting bolt is arranged at the center of the bottom of the arc-shaped bracket, and micro adjusting bolts are arranged on two sides of the upper end.

3. An adjustable large-axle turning jack device according to claim 1, characterised in that: the hydraulic mechanism in the jack is provided with a large cylinder at the center, a large piston and a support column are arranged in the large cylinder, a pipeline right below the large cylinder is connected with an oil cylinder, an oil drain valve is arranged in the middle of the pipeline, two sides of the bottom of the large cylinder are respectively provided with a pipeline, one pipeline is connected with a quick hydraulic device, and the other pipeline is a fine adjustment hydraulic device.

4. An adjustable large-axle turning jack device according to claim 3, wherein: the quick hydraulic device is characterized in that a check valve (19-1) is arranged in a pipeline at the bottom of a middle cylinder, a small-caliber pipeline is arranged above the check valve (19-1), a large-caliber pipeline is arranged below the check valve, one end of the large-caliber pipeline is connected with the bottom of the middle cylinder, a middle piston is arranged in the middle cylinder, a quick pressure rod handle is connected above the middle piston, a check valve (19-3) is connected below the other end of the middle cylinder, a pipeline below the check valve (19-3) is communicated with an oil cylinder, and a rotary baffle plate 15-1 is arranged in the pipeline.

5. An adjustable large-axle turning jack device according to claim 3, wherein: the fine adjustment hydraulic device is connected with a check valve (19-2) in a pipeline at the other end of the bottom of the large cylinder, small-diameter pipelines are arranged at two ends of the check valve (19-2), one end of the pipeline below the check valve (19-2) is connected with the bottom of the small cylinder, a small piston is arranged in the small cylinder, a fine adjustment pressure rod handle is connected above the small piston, a check valve (19-4) is connected with the pipeline below the other end of the small cylinder, the pipeline below the check valve (19-4) is communicated with the oil cylinder, a rotary baffle (15-2) is arranged in the pipeline, and the pipeline of the oil drain valve, the bottom of the quick hydraulic pipeline and the bottom of the fine adjustment hydraulic pipeline are converged together to be communicated with the oil cylinder.

Technical Field

The invention relates to a clamping technology of a large-shaft turning auxiliary device, in particular to a device capable of adjusting a large-shaft turning jack.

Background

At present, for some production workshops, articles of large heavy shafts need to be moved, a travelling crane hoisting operation flow is generally adopted, the working strength is increased by times for operators, excessive fatigue accidents are easily caused, and safety guarantee is not facilitated. For example, in the workshop processing, the length of a large shaft is generally 3m-5m, the diameter phi is 250 mm-phi 300mm, the weight of the large shaft generally reaches 1-3 tons, the large shaft is hoisted and clamped on a special large shaft lathe by a crane, the position of the center hole of the large shaft aligned by a thimble is very difficult to adjust, and the occurrence of accidents of labor waste, time waste and labor waste and even injury caused by smashing by people is caused.

Current jacks are stationary and difficult to move during use. The jack has two types of mechanical type and hydraulic type. The hydraulic jack has a wider application range than a mechanical jack, has a compact structure, works stably, has a self-locking effect, and is large in load capacity, so that the hydraulic jack is widely used. The lifting height precision is low, the lifting speed is slow, and only one pressure rod is adopted for pressure regulation. Therefore, the lifting jack device which is suitable and safe and has high lifting precision and can be adjusted quickly and slowly needs to be reformed and innovated for clamping auxiliary equipment of a lathe large shaft is urgently needed. Therefore, in order to solve these problems, scientific research units and scientific personnel of enterprises are continuously exploring and researching, and by using modern scientific technology, it is desired to manufacture a jack device capable of rapidly adjusting large-axis vehicle processing.

Disclosure of Invention

The invention aims to overcome the defects and provide a device capable of adjusting a large-shaft turning jack. The device is mainly used for auxiliary equipment of large shafts, adopts the technical principle of a jack, and solves the technical problem of turning and clamping the large shafts. The device is characterized in that a magnetic base is arranged below the device, V-shaped grooves are formed in two sides below the magnetic base and are matched with a lathe track, magnetic force generated after a magnetic switch is turned on attracts the lathe track to enable a jack device to be fixed, when the magnetic switch is turned off, the magnetic force disappears automatically, the device can move left and right on the lathe track, a jack in the device is operated by two pressure rods, a quick pressure rod and a fine adjustment pressure rod are in an alternative operation mode, an arc-shaped bracket is arranged above the device and used for supporting a large shaft, and an adjusting bolt on the arc-shaped bracket can be adjusted according to the diameter of the large shaft. The device can be according to the requirement quick and accurate adjustment height, removes the axle class of different diameters size, convenient and fast, safe and reliable.

The technical scheme adopted by the invention for solving the technical problems is as follows: the adjustable large-shaft turning jack device comprises an arc-shaped bracket, a spherical adjusting bolt, an adjusting bolt, a rectangular support frame, a jack, a quick pressure rod handle, a magnetic seat, a V-shaped groove, a magnetic switch, a reinforcing rib, a fine adjustment pressure rod handle, an oil cylinder, a rotary baffle, an oil drain valve, a large cylinder, a large piston, a supporting column, a one-way valve, a middle piston, a middle cylinder, a small piston and a small cylinder, wherein the magnetic seat is rectangular, the front side of the magnetic seat is provided with a knob type magnetic switch, the two sides of the magnetic seat are provided with the V-shaped groove, and the V-shaped groove is matched with a lathe track; the magnetic support is characterized in that a jack is arranged at the upper end of the magnetic base, reinforcing ribs are arranged on two sides of the jack and connected with the magnetic base, a rapid pressure rod handle is arranged on the front side of the jack, a fine adjustment pressure rod handle is arranged on the back side of the jack, a hydraulic mechanism is arranged in the jack, the upper end of the jack is connected with a rectangular support frame, an arc-shaped groove is formed in the top of the rectangular support frame, the upper part of the rectangular support frame is matched with an arc-shaped bracket, the rectangular support frame is connected with two sides of the arc-shaped bracket through the reinforcing ribs, a large shaft is arranged on the upper part of the arc-shaped bracket, a spherical adjusting bolt is arranged in the center of the bottom of the arc-shaped bracket, and micro adjusting bolts are arranged on two sides of the upper end; the hydraulic mechanism in the jack is provided with a large cylinder at the center, a large piston and a support column are arranged in the large cylinder, a pipeline right below the large cylinder is connected with an oil cylinder, an oil drain valve is arranged in the middle of the pipeline, two sides of the bottom of the large cylinder are respectively provided with a pipeline, one pipeline is connected with a quick hydraulic device, and the other pipeline is a fine adjustment hydraulic device; the quick hydraulic device is characterized in that a one-way valve 19-1 is arranged in a pipeline at the bottom of a middle cylinder, a small-caliber pipeline is arranged above the one-way valve 19-1, a large-caliber pipeline is arranged below the one-way valve 19-1, one end of the large-caliber pipeline is connected with the bottom of the middle cylinder, a middle piston is arranged in the middle cylinder, a quick pressure rod handle is connected above the middle piston, a one-way valve 19-3 is connected with a pipeline below the other end of the middle cylinder, a pipeline below the one-way valve 19-3 is communicated with an oil cylinder, and a rotary baffle 15-1 is arranged in the pipeline; the fine adjustment hydraulic device is connected with a check valve 19-2 in a pipeline at the other end of the bottom of the large cylinder, small-diameter pipelines are arranged at two ends of the check valve 19-2, one end of a pipeline below the check valve 19-2 is connected with the bottom of the small cylinder, a small piston is arranged in the small cylinder, a fine adjustment pressure rod handle is connected above the small piston, a check valve 19-4 is connected with a pipeline below the other end of the small cylinder, a pipeline below the check valve 19-4 is communicated with the oil cylinder, a rotary baffle 15-2 is arranged in the pipeline, and a gathering position of the pipeline of the oil drain valve, the bottom of the quick hydraulic pipeline and the bottom of the fine adjustment hydraulic pipeline is communicated with the oil cylinder.

The technical principle of the jack device is as follows: adopt machinery and hydraulic principle design to form, the jack adopts two pressure bars to operate, and the pressure bar transmission mode is the pascal principle, and quick hydraulic means and fine setting hydraulic means adopt the alternative mode of operation: when the quick pressure rod handle moves upwards and is in a state of sucking liquid oil in the oil cylinder, the baffle plate which is communicated with the fine adjustment pressure pipeline is in a closed state due to the action of an adsorption principle, when the quick pressure rod handle moves downwards, hydraulic oil is squeezed into the large cylinder, the pressure of the cylinder body is increased quickly, the supporting column is lifted quickly, the operation principle of the fine adjustment hydraulic device is the same as that of the quick hydraulic device, but the capacity of the fine adjustment hydraulic device is smaller than that of the quick hydraulic device, so that the supporting column of the large cylinder is lifted slowly, and the purpose of accurate height can be achieved; a magnetic base is arranged below the jack, V-shaped grooves are arranged on two sides below the magnetic base and are matched with the lathe track, when the magnetic switch is turned on, the lathe track is attracted by magnetic force to be fixed, the magnetic switch is turned off, the magnetic force disappears automatically, and the device can move left and right on the lathe track; the top end of the jack is provided with an arc-shaped bracket for supporting the large shaft, the top end of the large shaft is provided with a thimble hole, one end of the large shaft is clamped on a four-jaw chuck of a lathe, the thimble hole at the other end of the large shaft is adjusted to a tailstock thimble of the lathe through fine adjustment action of the jack to be matched, the arc-shaped bracket is provided with an adjusting bolt for finely adjusting the left and right directions of the large shaft, the center of the arc-shaped bracket is provided with a spherical adjusting bolt for mainly adjusting the height and the size of the large shaft, and safe operation of the large shaft during processing is ensured.

The invention has the beneficial effects that:

1. the adjustable large-shaft turning jack device can adjust the large-shaft turning jack device, and the bottom of the device is provided with a lathe track V-shaped groove, so that the left and right movement of the jack device is realized, and the fixed mode of the jack is changed.

2. The invention can adjust the large-shaft vehicle processing jack device, adopts the operating mode of double pressing rods of the jack, can quickly adjust the height and the precision of the device, solves the problems of low precision of the lifting height of the traditional hydraulic jack device and slow lifting speed of the jack.

3. The adjustable large-shaft turning jack device has the advantages that the arc-shaped bracket is used for supporting a large shaft with the diameter of 250-300 mm and the length of 3-5 m, the left and right directions of the large shaft can be adjusted by the adjusting bolt on the arc-shaped bracket, the large shaft can move axially, the center hole of the large shaft is mainly adjusted by the jack device to be matched with a large thimble of a large lathe, convenience, rapidness and safety are realized, and accidents are avoided.

Drawings

The adjustable large-shaft turning jack device is further described by combining the attached drawings as follows:

FIG. 1 is a front view of an adjustable large axle turning jack apparatus;

FIG. 2 is a left side view of the adjustable large axle turning jack apparatus;

FIG. 3 is a cross-sectional left view of a large axle of the adjustable large axle lathe jack apparatus;

fig. 4 is a schematic diagram of a hydraulic principle structure of a device capable of adjusting a large-shaft turning jack.

In fig. 1, 2, 3, 4: 1. the hydraulic pressure regulating device comprises an arc-shaped bracket, 2 spherical regulating bolts, 3 regulating bolts, 4 rectangular supporting frames, 5 jacks, 6 quick pressure rod handles, 7 magnetic seats, 8V-shaped grooves, 9 magnetic switches, 10 reinforcing ribs, 11 fine-tuning pressure rod handles, 12 reinforcing ribs, 13 large shafts, 14 oil cylinders, 15-1 rotary baffles, 15-2 rotary baffles, 16 oil drain valves, 17 large pistons, 18 large cylinders, 19-1 one-way valves, 19-2 one-way valves, 19-3 one-way valves, 19-4 one-way valves, 20 supporting columns, 21 middle pistons, 22 middle cylinders, 23 small pistons and 24 small cylinders.

Detailed Description

In fig. 1, 2, 3 and 4, the large-shaft turning jack device can be adjusted, a magnetic seat 7 is rectangular, a knob type magnetic switch 9 is arranged on the front surface of the magnetic seat 7, V-shaped grooves 8 are arranged on two sides of the magnetic seat 7, and the V-shaped grooves 8 are matched with a lathe track; the upper end of the magnetic base 7 is provided with a jack 5, reinforcing ribs 10 are arranged on two sides of the jack 5 and connected with the magnetic base 7, the front side of the jack 5 is provided with a rapid pressure rod handle 6, the back side of the jack 5 is provided with a micro-pressure adjusting rod handle 11, a hydraulic mechanism is arranged in the jack 5, the upper end of the jack 5 is connected with a rectangular support frame 4, the top of the rectangular support frame 4 is provided with an arc groove, the upper part of the rectangular support frame 4 is matched with an arc-shaped bracket 1, the rectangular support frame 4 is connected with two sides of the arc-shaped bracket 1 through the reinforcing ribs 12, a large shaft 13 is arranged on the arc-shaped bracket 1, the center of the bottom of the arc-shaped bracket 1 is provided with a spherical adjusting bolt 2, and two sides of the upper end are provided with micro-adjusting bolts 3; a large cylinder 18 is arranged at the center of a hydraulic mechanism in the jack 5, a large piston 17 and a support column 20 are arranged in the large cylinder 18, a pipeline right below the large cylinder 18 is connected with an oil cylinder 14, an oil drain valve 16 is arranged in the middle of the pipeline, two sides of the bottom of the large cylinder 18 are respectively provided with a pipeline, one pipeline is connected with a quick hydraulic device, and the other pipeline is a fine adjustment hydraulic device; a one-way valve 19-1 is arranged in a pipeline at the bottom of a middle cylinder 22 of the rapid hydraulic device, a small-caliber pipeline is arranged above the one-way valve 19-1, a large-caliber pipeline is arranged below the one-way valve 19-1, one end of the large-caliber pipeline is connected with the bottom of the middle cylinder 22, a middle piston 21 is arranged in the middle cylinder 22, a rapid pressure rod handle 6 is connected above the middle piston 21, a pipeline below the other end of the middle cylinder 22 is connected with a one-way valve 19-3, a pipeline below the one-way valve 19-3 is communicated with an oil cylinder 14, and a rotary baffle 15-1 is arranged in the pipeline; the fine adjustment hydraulic device is connected with a one-way valve 19-2 in a pipeline at the other end of the bottom of the large cylinder 18, small-diameter pipelines are arranged at two ends of the one-way valve 19-2, one end of a pipeline below the one-way valve 19-2 is connected with the bottom of a small cylinder 24, a small piston 23 is arranged in the small cylinder 24, a fine pressure adjusting rod handle 11 is connected above the small piston 23, a pipeline below the other end of the small cylinder 24 is connected with the one-way valve 19-4, a pipeline below the one-way valve 19-4 is communicated with the oil cylinder 14, a rotary baffle 15-2 is arranged in the pipeline, and a pipeline of the oil drain valve 16, the bottom of the quick hydraulic pipeline and the bottom of the fine adjustment hydraulic pipeline are converged together and communicated with the oil cylinder 14.

The invention is designed by adopting mechanical and hydraulic principles, the jack 5 is operated by adopting double pressure rods, the transmission mode of the pressure rods is the Pascal principle, and the quick hydraulic device and the fine adjustment hydraulic device adopt an alternative operation mode: when the quick pressure rod handle 6 moves upwards and is in a state of sucking liquid oil in the oil cylinder, the baffle 15-2 leading to the fine adjustment pressure pipeline is in a closed state due to the action of an adsorption principle, when the quick pressure rod handle 6 moves downwards, hydraulic oil is squeezed into the large cylinder 18, the pressure of the cylinder body is increased rapidly, the supporting column 20 is lifted rapidly, the operation principle of the fine adjustment hydraulic device is the same as that of the quick hydraulic device, but the capacity of the fine adjustment hydraulic device is smaller than that of the quick hydraulic device, so that the supporting column 20 of the large cylinder 18 is lifted slowly, and the purpose of accurate height can be achieved; a magnetic base 7 is arranged below the jack 5, V-shaped grooves 8 are arranged on two sides below the magnetic base, the V-shaped grooves 8 are matched with the lathe track, when the magnetic switch 9 is opened, the lathe track is attracted by magnetic force for fixing, the magnetic switch 9 is closed, the magnetic force disappears automatically, and the device can move left and right on the lathe track; the top end of the jack 5 is provided with an arc-shaped bracket 1 for supporting a large shaft 13, the top end of the large shaft 13 is provided with a thimble hole, one end of the large shaft 13 is clamped on a four-jaw chuck of a lathe, the thimble hole at the other end of the large shaft 13 is adjusted to a tailstock thimble of the lathe through fine adjustment action of the jack to be matched, the arc-shaped bracket 1 is provided with an adjusting bolt 3 which can finely adjust the left and right directions of the large shaft 13, the center of the arc-shaped bracket 1 is provided with a spherical adjusting bolt 2 which is mainly used for adjusting the height size of the large shaft 13, and safe operation of the large shaft 13 during processing is ensured.

According to the combination and the structure, the large shafts with the diameter of 250 mm-300 mm and the length of 3m-5m in various types are fixed on the device through the adjusting bolts 3, the height requirement can be realized according to a double-rod operation mode, the adjusting precision is high, and the device is safe, reliable, flexible to adjust and convenient to operate.