CN210333065U - Fastener bolt tightening and loosening device with oil injection maintenance function - Google Patents

Abstract

The utility model provides a combine fastener bolt take-up unit of oil spout maintenance function, its includes servo motor, rotation axis, motor cabinet, main shaft box, valve block, gas-liquid mixing chamber, baffle, shaft coupling, intake pipe, advances oil pipe, jet-propelled pipe and spouts the oil pipe, and servo motor connects on the motor cabinet, is equipped with the rotation axis in this motor cabinet, there is the through-hole rotation axis center unilateral, this rotation axis connect in between servo motor's output shaft and last shaft coupling, the motor cabinet below is connected with the main shaft box, and this main shaft box outside side is equipped with the valve block, includes the gas-liquid mixing chamber in this main shaft box for the mixture of high-pressure gas and fluid, the gas-liquid mixing chamber includes air inlet and oil inlet. The utility model is characterized in that the servo motor directly drives the sleeve component to operate, thereby reducing the structure of the gear reduction box and saving the installation space; secondly, a gas-liquid mixing chamber is arranged, so that the fastener bolt can be coated with oil more uniformly and more economically.

Description

Fastener bolt tightening and loosening device with oil injection maintenance function

Technical Field

The utility model relates to a fastener bolt take-up unit who combines oil spout maintenance function belongs to railway machinery design and manufacturing technical field.

Background

With the long-term use of railway lines, the fasteners are likely to loosen due to the compression deformation of the pad plates under the rails, and the hidden safety hazard of insufficient fastening pressure of the fasteners on the steel rails is generated. Therefore, the tightness degree of the steel rail fastener needs to be checked in time, fastening and maintenance are carried out efficiently and quickly, and in addition, the steel rail fastener is easy to rust, so that the service life of the steel rail fastener is greatly shortened. However, at present, the maintenance work of the steel rail fastener cannot be simultaneously performed by the operations of tightness, oiling and rust prevention. At present, the tightness of the steel rail fastener mainly depends on manual operation, the oiling operation also mainly depends on manual operation, the manual working efficiency is low, and the rapid and efficient spike maintenance operation is not facilitated.

Chinese utility model patent No. ZL98202431.2 discloses an automatic track bolt maintainer, comprises control circuit, demonstration and operating switch, battery, handle, upper and lower support, electromagnetism valves, engine, hydraulic means, impacter, bolt sleeve, rust inhibitor filler. The hydraulic device is driven by the engine; the impactor is driven by a hydraulic motor; the bolt sleeve is integrated with the output part of the impactor; the antirust agent filler consists of a liquid storage chamber, an injection valve and a nozzle which are positioned in the bolt sleeve body. The power of the engine is sent into the impactor after the rotating speed is reduced and the torque is increased through the hydraulic device, the impactor outputs pulse torque to the bolt sleeve, the rusted bolt is loosened quickly, the antirust agent injector injects the antirust agent into the bolt under the action of the control circuit, and then the bolt sleeve is screwed on the bolt. The utility model discloses a rust inhibitor filler is on bolt sleeve's upper portion, and the bolt sleeve is internal to be hollow, and its built-in rust-resistant liquid, rust inhibitor extreme low level sensor SOI, engine work sensor SE, rust inhibitor filling solenoid valve DTO, the overhead bottom of bolt sleeve are equipped with rust inhibitor liquid way mouth, spray check valve, nozzle, and the terminal surface of bolt sleeve head is interior hexagon, and its direct action is on track bolt's nut. In the working process, when the nut is loosened and moves upwards, the control circuit controls the antirust agent filling electromagnetic valve DTO to work at fixed time, and a fixed amount of antirust agent is sprayed to the internal thread of the nut rapidly. Therefore, the technical scheme only sprays the antirust agent to the internal thread of the nut through the upper part of the bolt sleeve, and does not effectively spray the antirust agent to the side surface of the screw rod of the track bolt, so that the oiling and antirust maintenance operation effect on the track bolt is poor, and further improvement is still needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a combine fastener bolt take-up unit of oil spout maintenance function.

The utility model discloses a following technical scheme realizes: the fastener bolt tightening and loosening device with the oil spraying maintenance function comprises a driving device, a rotating shaft, a sleeve assembly, a gas-liquid mixing chamber and an oil-gas pipeline, wherein a through hole is formed in one side of the center of the rotating shaft, a through hole is formed in the center of the sleeve assembly, the gas-liquid mixing chamber comprises a gas inlet and a oil inlet, the gas inlet and the oil inlet are connected with the oil-gas pipeline, and the gas inlet, the oil inlet and the through hole in the center of the rotating shaft are communicated.

Preferably, a main shaft box body is connected below the support, a valve block is arranged on the outer side of the main shaft box body, a gas-liquid mixing chamber is arranged in the main shaft box body and used for mixing high-pressure gas and oil liquid,

preferably, the oil gas pipeline includes the intake pipe, advances oil pipe, jet-propelled pipe and spouts the oil pipe, oil pipe is advanced in the oil connection.

Preferably, the fastener bolt tightening and loosening device with the oil injection maintenance function further comprises a spindle box body, a valve block, a coupler and a torque sensor, wherein the valve block is installed on the outer side of the spindle box body and comprises an oil outlet, the oil outlet is connected with an oil injection pipe, and a through hole is formed in the center of the torque sensor. Preferably, the rotating shaft is connected to the driving device, and the rotating shaft is connected between an output shaft of the driving device and an upper coupling.

Preferably, a sleeve assembly is further connected to the spindle case.

Preferably, the drive means is connected to a support in which said rotatable shaft is mounted.

Preferably, the spindle box body comprises an interface used for fixing an air nozzle, and air blown by the air nozzle can purge dirt of the fastener bolt.

Preferably, the main spindle housing is fixed to the road maintenance construction equipment.

Preferably, the output shaft of the servo motor is connected to the upper coupling through a rotary shaft.

More preferably, the upper coupling is further connected with a torque sensor, the torque sensor is used for measuring the torque, and the lower coupling is connected below the torque sensor.

Preferably, the torque sensor has a through hole in the center.

Preferably, the lower coupling has a through hole in the center.

Preferably, the shield is mounted on the main shaft housing and functions to protect the upper coupling.

Preferably, the ends of the oil jets are circumferentially distributed.

Preferably, the end of the oil nozzle is bent toward the inner side of the circumference where the oil nozzle is located, so that the efficiency of oil injection operation is improved.

Preferably, the tail end of the gas injection pipe is 1-2cm higher than the tail end of the oil injection pipe, so that the gas flow has certain strength, the purging is more comprehensive, the oil injection pipe is lower, the waste rate of lubricating oil can be reduced, and the lubricating oil can be more fully injected to the loosened bolt.

Combine fastener bolt take-up unit of oil spout maintenance function's working process to be: operating the operating equipment to a section to be operated, placing a fastener bolt to be maintained in a sleeve assembly, enabling the sleeve assembly to be tightly matched with a fastener nut to be maintained, starting a servo motor, rotating the servo motor in the direction of loosening the fastener bolt to be maintained, sequentially driving a rotating shaft, an upper coupler, a torque sensor, a lower coupler and the sleeve assembly to rotate by the servo motor, further driving the fastener nut to be maintained to rotate, blowing the fastener bolt by a gas injection pipe when the fastener nut is loosened, spraying a part of oil mixed from a gas-liquid mixing chamber from the top of the fastener bolt through a single-side through hole in the center of the rotating shaft after the fastener nut is loosened, further performing oil injection rust-proof operation, simultaneously opening a valve, spraying the other part of oil from three oil injection pipes at the bottom, starting the servo motor reversely after the operation is finished, screwing the fastener nut by the sleeve assembly along with the reverse rotation of the servo motor, the torque of the servo motor is automatically adjusted according to the feedback of the torque sensor, so that the fastening nut is reliably and effectively tightened.

Compared with the prior art, the utility model have following advantage and effect: the utility model is characterized in that the servo motor directly drives the sleeve component to operate, thereby reducing the structure of the gear reduction box and saving the installation space; secondly, a gas-liquid mixing chamber is arranged, so that the fastener bolt is coated with oil more uniformly and more economically; a torque sensor is additionally arranged, so that the tightness of the nut is better when the bolt is subjected to oil coating operation; a plurality of fuel injectors are added, and the operation efficiency is higher. The utility model discloses can reduce people's intensity of labour and work load by a wide margin, further reduce labour cost, effectively avoid fluid extravagant simultaneously, practice thrift material cost. The utility model is suitable for a large-scale road maintaining construction, more integrated application have been solved prior art and have carried out the not good technical problem of the rust-resistant maintenance operation effect of fat liquoring to the fastener bolt on large-scale road maintaining machinery and small-size road maintaining machinery to the design has been optimized.

Drawings

Fig. 1 is a schematic front view of a fastener bolt tightening/loosening device with oil spraying and maintenance functions according to a preferred embodiment of the present invention;

FIG. 2 is a side view of the fastener bolt tightening mechanism of the embodiment of FIG. 1;

FIG. 3 is a block diagram of a sleeve assembly of the type shown in FIG. 1;

FIG. 4 is a partial half cross-sectional view of the fastener bolt tensioner of the embodiment of FIG. 1;

the numerical designations in fig. 1-4 mean:

gas-liquid mixing chamber 1 servo motor 2, rotating shaft 3, motor base 4, main shaft box body 5

6 baffle 7 upper shaft coupling 8 torque sensor 9 sleeve subassembly 10 intake pipe

11 oil inlet pipe 12 gas ejector pipe 13 oil spray pipe 14 lower coupling 15 valve block

16 quick-change coupling 17 sleeve.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

Example 1.1: a fastener bolt tightening and loosening device combining an oil spraying maintenance function comprises a servo motor 1, as shown in figures 1 and 2; a rotating shaft 2; a motor base 3; a main shaft box body 4; a gas-liquid mixing chamber 5; a baffle 6; an upper coupling 7; a torque sensor 8; a sleeve assembly 9; an intake pipe 10; an oil inlet pipe 11; a gas lance 12; an oil spout pipe 13; a lower coupling 14; a valve block 15; a quick-change coupler 16; a sleeve 17. The servo motor 1 is connected on a motor base 3, a rotating shaft 2 is arranged in the motor base 3, a through hole is formed in one side of the center of the rotating shaft 2, a main shaft box body 4 is connected to the lower end of the motor base 3, a baffle plate 6 is fixed on the main shaft box body 4, a gas-liquid mixing chamber 5 is designed in the main shaft box body 4 and used for mixing high-pressure gas and oil, two ports are formed in the gas-liquid mixing chamber 5, namely, an air inlet connected with an air inlet pipe 10 and an oil inlet connected with an oil inlet pipe 11, an oil injection pipe 13 is communicated with a valve block 15, each valve block 15 is provided with an oil outlet, the three oil outlets are respectively connected with three oil injection pipes 13, the main shaft box body 4 comprises a port used for fixing an air injection pipe 12, dirty dirt of a fastener bolt can be swept by an air flow main shaft box blown by the air injection pipe 12, the servo motor body 4 is fixed on a road maintenance construction vehicle, the lower end of the upper coupler 7 is also connected with a torque sensor 8, the torque sensor 8 is used for measuring the torque, the lower end of the torque sensor 8 is connected to one end of a lower coupler 14, the other end of the lower coupler 14 is connected with a sleeve assembly 9, and the sleeve assembly comprises a quick-change connector 16 and a sleeve 17 connected with the quick-change connector 16.

The end of the oil spout pipe 13 is bent toward the bolt to facilitate oil spout.

In this embodiment, through servo motor 1's rotation, drive rotation axis 2 in proper order, go up shaft coupling 7, torque sensor 8, lower shaft coupling 14 and sleeve subassembly 9 rotate, and then drive the rotation of fastener nut, when the fastener nut changes loose, the jet-propelled fastener bolt that sweeps of jet-propelled pipe 12, after the fastener nut is unscrewed, some fluid after mixing from the gas-liquid mixing chamber is spout and then carry out the rust-resistant operation of oil spout from the fastener bolt top through the unilateral through-hole at rotation axis center, and simultaneously, the valve is opened, another part fluid is spout from the three oil spout pipe of bottom, after the operation finishes, sleeve subassembly 9 screws up the fastener nut along with servo motor 1 reversal, according to servo motor 8's feedback automatic adjustment servo motor 1's moment of torsion, thereby guarantee reliably, tighten the fastener nut effectively.

Claims (13)

1. The utility model provides a fastener bolt take-up unit that combines oil spout maintenance function, its includes drive arrangement, rotation axis, sleeve subassembly, gas-liquid mixing room, oil gas pipeline, its characterized in that: the gas-liquid mixing chamber comprises a gas inlet and an oil inlet, the gas inlet and the oil inlet are connected with an oil-gas pipeline, and the gas inlet, the oil inlet and the through hole in the center of the rotating shaft are communicated.

2. A fastener bolt tightening device with oil spray maintenance function according to claim 1, wherein: the oil and gas pipeline comprises: air inlet pipe, oil spout pipe, jet-propelled pipe.

3. A fastener bolt tightening device with oil spray maintenance function according to claim 1, wherein: the sleeve assembly comprises a quick-change coupling (16) and a sleeve (17) connected to the quick-change coupling (16).

4. A fastener bolt tightening device with oil spray maintenance function according to claim 1, wherein: further comprising: the main shaft box body, the valve block, the coupler and the torque sensor are arranged on the outer side of the main shaft box body, the valve block comprises an oil outlet, the oil outlet is connected with an oil injection pipe, and a through hole is formed in the center of the torque sensor.

5. A fastener bolt tightening device with oil spraying and maintaining functions as claimed in claim 4, wherein: the shaft coupling includes an upper shaft coupling and a lower shaft coupling.

6. A fastener bolt tightening device with oil spraying and maintaining functions as claimed in claim 5, wherein: and an output shaft of the driving device is connected with the upper coupling through a rotating shaft.

7. A fastener bolt tightening device with oil spray maintenance function according to claim 5 or 6, wherein: the upper coupler is further connected with a torque sensor, and the lower coupler is connected below the torque sensor.

8. A fastener bolt tightening device with oil spray maintenance function according to claim 5 or 6, wherein: the center of the lower coupling is provided with a through hole.

9. A fastener bolt tightening device with oil spraying maintenance function according to claim 7, characterized in that: and a torque sensor is connected below the upper coupler, and the other end of the lower coupler is connected with a sleeve assembly.

10. A fastener bolt tensioner according to claim 4 or 5 or 6 or 9 in combination with a fuel injection maintenance function, wherein: the main shaft box body comprises an interface used for fixing the gas ejector pipe.

11. A fastener bolt tensioner according to claim 4 or 5 or 6 or 9 in combination with a fuel injection maintenance function, wherein: the main shaft box body is fixedly arranged on the road maintenance construction equipment.

12. A fastener bolt tensioner combined with oil spray maintenance function as claimed in claim 1 or claim 6, wherein: the ends of the oil spray nozzles are distributed along the circumference.

13. A fastener bolt tensioner according to claim 12, in combination with an oil spray maintenance function, wherein: the end of the oil nozzle is bent toward the inner side of the circumference where the oil nozzle is located.

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