CN109986496B - Numerical control fixed-torque vertical bolt wrench - Google Patents
Numerical control fixed-torque vertical bolt wrench Download PDFInfo
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- CN109986496B CN109986496B CN201910264749.XA CN201910264749A CN109986496B CN 109986496 B CN109986496 B CN 109986496B CN 201910264749 A CN201910264749 A CN 201910264749A CN 109986496 B CN109986496 B CN 109986496B
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- wrench
- walking
- numerical control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
- B25B23/147—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for electrically operated wrenches or screwdrivers
Abstract
The invention discloses a numerical control fixed-torque vertical bolt wrench, which relates to the technical field of wrenches and comprises a rack assembly, and a support assembly, a walking assembly, a control assembly and a plurality of wrench assemblies which are arranged on the rack assembly; the support assembly is used for supporting the numerical control fixed-torque vertical bolt wrench on the steel rail; the walking assembly is used for enabling the numerical control fixed-torque vertical bolt wrench to move along the length direction of the steel rail; the wrench assembly comprises a torque multiplier switch, a torque measuring device, a power device, an upper torque clutch, a torque multiplier, a transmission device and a sleeve, wherein the power device, the upper torque clutch, the torque multiplier, the transmission device and the sleeve are sequentially connected; the control assembly is connected with the power device and the torque measuring device to control the output torque of the wrench assembly, and the numerical control fixed-torque vertical bolt wrench can accurately control the output torque by arranging the control assembly.
Description
Technical Field
The invention relates to the technical field of wrenches, in particular to a numerical control fixed-torque vertical bolt wrench.
Background
The bolt spanner is the tool commonly used in the operation of railway line sleeper bolt pine, and it is labour saving and time saving to use bolt spanner to unscrew or screw up the bolt, but at present most bolt spanner moment of torsion is difficult to control, appears the moment of torsion undersize easily, too big problem.
Therefore, it is an urgent need to provide a numerical control fixed torque vertical bolt wrench capable of precisely controlling output torque.
Disclosure of Invention
The invention aims to provide a numerical control fixed-torque vertical bolt wrench, which solves the problems in the prior art and enables the output torque of the bolt wrench to be accurately controlled.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a numerical control fixed-torque vertical bolt wrench which comprises a supporting component, a walking component, a rack component, a control component and a plurality of wrench components, wherein the supporting component, the walking component, the control component and the wrench components are all arranged on the rack component;
the support assembly is used for supporting the numerical control fixed-torque vertical bolt wrench on a steel rail;
the walking assembly is used for enabling the numerical control fixed-torque vertical bolt wrench to move along the length direction of the steel rail;
the wrench assembly comprises a torque multiplier switch, a torque measuring device, a power device, an upper torque clutch, a torque multiplier, a transmission device and a sleeve, wherein the power device, the upper torque clutch, the torque multiplier, the transmission device and the sleeve are sequentially connected;
the control assembly is connected with the power device and the torque measuring device to control the output torque of the wrench assembly.
Preferably, the supporting assembly comprises a supporting cross rod, an insulating sleeve and supporting wheel bodies, one end of the supporting cross rod can be detachably sleeved on the rack assembly, the other end of the supporting cross rod is detachably provided with one supporting wheel body, and the insulating sleeve is used for preventing the two supporting wheel bodies from being electrified.
Preferably, the walking subassembly includes first regulation lead screw, fixed block, rocking arm, walking wheel body, extension spring and dog, the one end of rocking arm with the walking wheel body coupling, the other end of rocking arm with the frame subassembly is articulated, the fixed block is fixed set up in on the frame subassembly, first regulation lead screw run through the fixed block and with fixed plate threaded connection, just the one end of first regulation lead screw is supported on the rocking arm, through rotatory first regulation lead screw is adjusted the position of first regulation lead screw can be adjusted the rocking arm is for the contained angle of horizontal plane, the walking wheel body pass through the extension spring with the frame subassembly is connected, the fixed block level sets up, the dog with angle between the fixed block is 120 degrees, just the fixed block with the dog set up in the both sides of frame subassembly.
Preferably, the rack assembly comprises a walking rack and a driving rack, the driving rack is slidably mounted on the walking rack, the supporting assembly, the walking assembly and the control assembly are mounted on the walking rack, and one wrench assembly is mounted on one driving rack.
Preferably, the walking frame includes horizontal support body, handle manipulation subassembly and a plurality of horizontal interval displacement adjusting part, the handle manipulation subassembly with the driving rack is connected, horizontal interval displacement adjusting part and the driving rack all install in on the horizontal support body, just horizontal interval displacement adjusting part with the driving rack is connected, one horizontal interval displacement adjusting part control one spanner component's removal.
Preferably, the transverse interval displacement adjusting assembly comprises a second adjusting screw rod and a rocking handle, the rocking handle is connected to one end of the second adjusting screw rod, the second adjusting screw rod is fixedly connected with the driving rack to drive the wrench assembly to move, and the second adjusting screw rod is horizontally arranged and is connected with the horizontal rack through a bearing seat.
Preferably, the number of the wrench assemblies is two, the power device is a planetary gear motor, the transmission device is a transmission shaft, and the torque measuring device is a torque sensor.
Preferably, the control assembly includes automatically controlled instrument box, group battery, digital display microcomputer control appearance and machine controller, the group battery the digital display microcomputer control appearance the machine controller all install in on the automatically controlled instrument box and with the automatically controlled instrument box is connected, the automatically controlled instrument box with power device with torque measurement device connects, still install the light on the automatically controlled instrument box, be used for the light screen of shading and be used for rainproof rain-proof cover.
Preferably, the wrench assembly further includes a lower torque clutch, the torque multiplier is connected to the transmission device through the lower torque clutch, and the torque that the upper torque clutch can bear is smaller than the torque that the lower torque clutch can bear.
Preferably, the torque multiplier include the shell and set up in the gear assembly of the inside of shell, be provided with the ring gear on the inner wall of shell, the ring gear with the gear assembly meshing, torque multiplier switch includes one-way involute face spring bolt, spring, fixing base and adjustment handle, the fixing base is fixed in on the torque measurement device, spring mounting in the inside of fixing base, one-way involute face spring bolt with the spring cup joints, adjustment handle is used for adjusting the elasticity and the one-way involute face spring bolt involute face direction of spring, the lateral wall circumference of shell is provided with the tooth's socket, one-way involute face spring bolt can the joint in the tooth's socket and the restriction the shell of torque multiplier can only rotate towards an orientation.
Compared with the prior art, the invention has the following technical effects:
the invention discloses a numerical control fixed-torque vertical bolt wrench, which comprises a rack assembly, and a support assembly, a walking assembly, a control assembly and a plurality of wrench assemblies which are arranged on the rack assembly; the support assembly is used for supporting the numerical control fixed-torque vertical bolt wrench on the steel rail; the walking assembly is used for enabling the numerical control fixed-torque vertical bolt wrench to move along the length direction of the steel rail; the wrench assembly comprises a torque multiplier switch, a torque measuring device, a power device, an upper torque clutch, a torque multiplier, a transmission device and a sleeve, wherein the power device, the upper torque clutch, the torque multiplier, the transmission device and the sleeve are sequentially connected; the control assembly is connected with the power device and the torque measuring device to control the wrench assembly to output torque, the numerical control fixed torque vertical bolt wrench can accurately control the output torque to realize accurate adjustment of seven gears of the torque of 80 N.m-350 N.m by arranging the control assembly, and the numerical control fixed torque vertical bolt wrench is simple in structure and light in weight, the center distance of the wrench assembly can be adjusted to 180 mm-382 mm under the condition of meeting the quality standard, and the maximum single-inner-side working span can be adjusted to 460 mm.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic structural view of a numerically controlled fixed-torque vertical bolt wrench according to the present invention;
FIG. 2 is a schematic view of a frame assembly;
FIG. 3 is a schematic structural view of a walking assembly;
FIG. 4 is a schematic structural view of the wrench assembly;
FIG. 5 is a schematic structural diagram of an upper torque clutch;
FIG. 6 is a schematic view of the structure of the resistance device;
FIG. 7 is a schematic diagram of a torque multiplier switch in cooperation with a torque multiplier;
fig. 8 is a schematic view of the structure of the handle operating assembly.
In fig. 1-8:
1-traveling component, 2-supporting component, 3-control component, 4-shading plate, 5-traveling rack, 6-driving rack, 7-handle control component, 8-wrench component, 9-planetary gear motor, 10-upper torque clutch, 11-torque multiplier, 12-lower torque clutch, 13-torque sensor, 14-transmission shaft, 15-quick release pin, 16-sleeve, 17-one-way gradually-opened surface lock tongue, 18-fixing seat, 19-adjusting handle, 20-tooth groove, 21-horizontal rack body, 22-elastic force adjusting screw plug, 23-nut, 24-second adjusting screw rod, 25-rocking handle, 26-traveling wheel body, 27-tension spring, 28-rocking arm, 29-steel rail surface, 30-a stop block, 31-a first adjusting screw rod, 32-a fixed block, 33-a torsion groove sliding sleeve, 34-a resistance device, 35-a groove, 36-a ball cap, 37-a support, 38-a ball, 39-a ball seat, 40-a pressure spring, 41-a Y-shaped transmission auxiliary joint, 42-a four-bar linkage mechanism, 43-a telescopic elastic chuck and 45-an operating handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a numerical control fixed-torque vertical bolt wrench, which solves the problems in the prior art and enables the output torque of the bolt wrench to be accurately controlled.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Example one
As shown in fig. 1, the embodiment provides a numerical control fixed torque vertical bolt wrench, which includes a supporting component 2, a walking component 1, a rack component, a control component 3, and a plurality of wrench components 8, where the supporting component 2, the walking component 1, the control component 3, and the plurality of wrench components 8 are all disposed on the rack component; the supporting component 2 is used for supporting the numerical control fixed-torque vertical bolt wrench on a steel rail; the walking component 1 is used for enabling the numerical control fixed-torque vertical bolt wrench to move along the length direction of the steel rail; the wrench assembly 8 comprises a torque multiplier 11 switch, a torque measuring device, a power device, an upper torque clutch 10, a torque multiplier 11, a transmission device and a sleeve 16 which are sequentially connected, wherein the torque multiplier 11 switch is used for controlling the torque multiplier 11 to work, the torque measuring device is connected with the torque multiplier 11 through the torque multiplier 11 switch, and the torque multiplier 11 switch transmits the output torque of the torque multiplier 11 to the torque measuring device; the control assembly 3 is connected with the power device and the torque measuring device to control the output torque of the wrench assembly 8, the numerical control fixed torque vertical bolt wrench can accurately control the output torque by arranging the control assembly 3, seven gears of the torque of 80 N.m-350 N.m can be accurately adjusted, and the numerical control fixed torque vertical bolt wrench is simple in structure and light in weight, under the condition of meeting the quality standard, the center distance of the wrench assembly can be adjusted to 180 mm-382 mm, and the maximum single inner side working span can be adjusted to 460 mm.
In another embodiment of the present invention, the supporting component 2 includes a supporting cross bar, an insulating sleeve and supporting wheel bodies, one end of the supporting cross bar is detachably sleeved on the rack component, the other end of the supporting cross bar is detachably mounted with one supporting wheel body, and the insulating sleeve is used for preventing the two supporting wheel bodies from being electrified.
In another embodiment of the present invention, the supporting wheel body includes a first nylon roller, a first central shaft and a first bearing, the first central shaft is connected with the supporting cross bar by a screw thread, and the first nylon roller is mounted on the first central shaft through the first bearing.
In another embodiment of the present invention, as shown in fig. 2 and 3, the number of the walking assemblies 1 is two, two walking assemblies 1 are symmetrically arranged at two ends of the frame assembly, the walking assembly 1 comprises a first adjusting screw 31, a fixed block 32, a rocker arm 28 and a walking wheel body 26, one end of the rocker arm 28 is connected with the walking wheel body 26, the other end of the rocker arm 28 is hinged with the rack assembly, the fixed block 32 is fixedly arranged on the rack assembly, the first adjusting screw 31 penetrates through the fixed block 32 and is in threaded connection with the fixed plate, one end of the first adjusting screw 31 is abutted against the rocker arm 28, the included angle of the rocker arm 28 relative to the horizontal plane can be adjusted by rotating the first adjusting screw 31 to adjust the position of the first adjusting screw 31, and the first adjusting screw 31 is fastened with the fixing plate through a locking nut, the height of the numerical control fixed-torque vertical bolt wrench can be adjusted by rotating the first adjusting screw rod 31 in a specific using process.
In another embodiment of the present invention, as shown in fig. 3, the walking assembly 1 further includes a tension spring 27 and a stopper 30, the walking wheel 26 is connected to the frame assembly through the tension spring 27, the fixing block 32 is horizontally disposed, an angle between the stopper 30 and the fixing block 32 is 120 degrees, the fixing block 32 and the stopper 30 are disposed on two sides of the frame assembly, the stopper 30 limits a rotation angle of the rocker arm 28, the walking assembly 1 is effectively prevented from being jammed due to contact with the frame assembly, and the walking stability of the walking assembly 1 is greatly improved.
In another embodiment of the present invention, the traveling wheel 26 includes a second nylon roller, a second central shaft and a second bearing, the second central shaft is fixedly connected to the rocker arm 28, and the second nylon roller is mounted on the second central shaft through the second bearing.
In another embodiment of the present invention, as shown in fig. 2, the frame assembly includes a traveling frame 5 and a driving frame 6, the driving frame 6 is slidably mounted on the traveling frame 5, the supporting assembly 2, the traveling assembly 1 and the control assembly 3 are mounted on the traveling frame 5, and a wrench assembly 8 is mounted on the driving frame 6.
In another embodiment of the present invention, as shown in fig. 1-2, the traveling frame 5 includes a horizontal frame 21, a handle manipulating assembly 7 and a plurality of lateral distance displacement adjusting assemblies, the handle manipulating assembly 7 is connected to the driving frame 6, the numerical control fixed torque vertical bolt wrench is convenient to move by arranging the handle manipulating assembly 7, the lateral distance displacement adjusting assemblies and the driving frame 6 are both installed on the horizontal frame 21, the lateral distance displacement adjusting assemblies are connected to the driving frame 6 by nuts, one lateral distance displacement adjusting assembly controls the movement of one wrench assembly 8, and the wrench assembly 8 is convenient to adjust the position by arranging the lateral distance displacement adjusting assembly.
In another embodiment of the present invention, as shown in fig. 8, the handle operating assembly includes a four-bar linkage 42 and an operating handle 45, the four-bar linkage 42 is connected to the operating handle 45 by a telescopic elastic chuck 43, so that the operating handle 45 is adjustable in length, one end of the four-bar linkage 42 is connected to the bottom plate of the driving rack 6 through a Y-shaped transmission pair joint 41, and the other end of the four-bar linkage 42 is connected to the fixing base 18 through a Y-shaped transmission pair joint 41, so that the operating handle 45 is adjustable in height, and the device is more convenient to use and has good applicability.
In addition, in fig. 8, a dotted line portion and a solid line portion show two different states of the handle operating unit, respectively.
In another embodiment of the present invention, as shown in fig. 2, the lateral distance displacement adjusting assembly includes a second adjusting screw and a rocking handle 25, the rocking handle 25 is connected to one end of the second adjusting screw 24, the position of the wrench assembly 8 is moved conveniently by arranging the rocking handle 25, the labor intensity of the operator is reduced, the second adjusting screw 24 pushes the driving rack 6 to drive the wrench assembly 8 to move, preferably, the second adjusting screw 24 is fixedly connected to the driving rack 6 through a nut 23, and the second adjusting screw 24 is horizontally arranged and connected to the horizontal rack 21 through a bearing seat.
In another embodiment of the present invention, the number of wrench assemblies 8 is two.
In another embodiment of the present invention, the power device is a planetary gear motor 9.
In another embodiment of the present invention, the torque measuring device is a torque sensor 13.
In another embodiment of the present invention, the control assembly 3 includes an electric control instrument box, a battery pack, a digital display microcomputer controller, and a motor controller, wherein the battery pack, the digital display microcomputer controller, and the motor controller are all mounted on the electric control instrument box and connected to the electric control instrument box, the electric control instrument box is connected to the power device and the torque measuring device, preferably, the electric control instrument box is connected to the power device through an aviation plug and a wire, and the battery pack is a lithium battery pack.
In another embodiment of the invention, the digital display microcomputer controller is provided with a USB output interface to increase the recording and transmission function, and not only can record the number of the screwed bolts and the corresponding torque in the operation process of a certain interval route of the wrench assembly 8, but also can transmit the recorded data to another instrument in a serial communication mode through the output of the printer, so that the data transmission and the data tracing are convenient, the data transfer efficiency is greatly improved, and the safety of the numerical control fixed torque vertical bolt wrench in the actual line application is ensured.
In another embodiment of the present invention, the electric control instrument box is further installed with an illuminating lamp, a light shielding plate 4 for shielding light, and a rain-proof cover for preventing rain, preferably, the illuminating lamp is an LED waterproof energy-saving illuminating lamp, the rain-proof cover is a transparent rain-proof cover, and the rain-proof cover and the light shielding plate 4 are installed on a top cover of the electric control instrument box, so that an operator can clearly see the display condition on the control instrument in direct sunlight and rainy days, and the number of the LED waterproof energy-saving illuminating lamps is two and is respectively installed on one side of the electric control instrument box, so as to facilitate night work.
In another embodiment of the present invention, as shown in fig. 4-6, the wrench assembly 8 further includes a lower torque clutch 12, the torque multiplier is connected to the transmission device through the lower torque clutch 12, and the torque that can be borne by the upper torque clutch 10 is smaller than the torque that can be borne by the lower torque clutch 12, both the upper torque clutch 10 and the lower torque clutch 12 are torque clutches, the torque clutch includes a torque groove sliding sleeve 33 and a plurality of resistance devices 34, the power device is connected to the torque multiplier through the torque groove sliding sleeve 33 of the upper torque clutch 10, the transmission shaft 14 is connected to the torque multiplier through the torque groove sliding sleeve 33 of the lower torque clutch 12, and the plurality of grooves 35 are uniformly arranged in the circumferential direction of the sliding grooves 35 of the torque grooves 35, the plurality of resistance devices 34 are fixed to the torque multiplier and are uniformly arranged along the circumferential direction of the torque sliding sleeve 33, the resistance device 34 comprises a ball cap 36, a support 37, and a ball 38, a ball seat 39, a pressure spring 40 and an elastic force adjusting screw plug 22 which are connected in sequence, the ball seat 39 and the pressure spring 40 are installed inside the support 37, the support 37 is fixed on the torque multiplier 11, the ball cap 36 is screwed on one end of the support 37, the ball 38 is installed on the ball cap 36, one third of the ball 38 is exposed out of the ball cap 36, the ball 38 can be clamped in the groove 35, the elastic force adjusting screw plug 22 is arranged on the support 37, the elastic force adjusting screw plug 22 is used for adjusting the elastic force of the pressure spring 40, the torque that can be borne by the torque clutch can be increased by increasing the number of the resistance devices 34, in this embodiment, the upper torque clutch 10 includes 3 resistance devices 34, and the lower torque clutch 12 includes 4 resistance devices 34 to ensure that the torque that can be borne by the upper torque clutch 10 is smaller than the torque that can be borne by the lower torque clutch 12.
In addition, the reason why the torque that can be borne by the upper torque clutch 10 is less than the torque that can be borne by the lower torque clutch 12 is that the resistance between the balls 38 and the torque groove sliding sleeve 33 of the upper torque clutch 10 directly affects the start of the planetary reduction motor 9 and also affects the range of the initial torque value input to the torque multiplier 11 by the planetary reduction motor 9, so the circumferential elastic resistance generated by the upper torque clutch 10 cannot be too large, the power loss of the planetary reduction motor 9 is avoided, the circumferential elastic resistance is supplemented by the lower torque clutch 12 to ensure the smooth conversion and stability of the fast and slow speeds, the torque that can be borne by the upper torque clutch 10 is less than the torque that can be borne by the lower torque clutch 12, and the numerical control torque setting stud wrench can reduce the rated power of the planetary reduction motor 9 on the premise of ensuring the torque accuracy and the working efficiency, the purpose of small power and large torque and small horse cart is achieved.
In another embodiment of the present invention, as shown in fig. 4, the transmission device is a transmission shaft 14, one end of the transmission shaft 14 is connected to a sleeve 16 through a quick release pin 15, the sleeve 16 is easy to assemble and disassemble, and the other end of the transmission shaft 14 passes through the torque sensor 13 and is connected to the lower torque clutch 12.
In another embodiment of the present invention, as shown in fig. 7, the torque multiplier 11 includes a housing and a gear assembly disposed inside the housing, and in this embodiment, the gear assembly is a planetary reduction gear assembly, a gear ring is disposed on an inner wall of the housing, the gear ring is engaged with the gear assembly, the switch of the torque multiplier 11 includes a one-way involute surface latch 17, a spring, a fixing seat 18 and an adjusting handle 19, the fixing seat 18 is fixed on the torque measuring device, the spring is mounted inside the fixing seat 18, the one-way involute surface latch 17 is sleeved with the spring, the adjusting handle 19 is used for adjusting the elastic force of the spring and the direction of the involute surface latch, a tooth socket 20 is circumferentially disposed on an outer side wall of the housing, and the one-way involute surface latch 17 can be engaged with the tooth socket 20 and limit the housing of the torque multiplier 11 to.
The working principle of the invention is as follows: the method is characterized in that a lithium battery pack is used as a power source, required torque is set, a planetary reduction motor 9 drives a torque multiplier 11 to work under the instruction of a digital microscope controller and a motor controller, the torque multiplier 11 performs hierarchical speed reduction and multiplication torque are transmitted to a sleeve 16, the planetary reduction motor 9 and a torque sensor 13 are matched with each other to feed back information to the digital display microcomputer controller and the motor controller so as to achieve the purpose of outputting torque hierarchical control, the torque information is captured by the digital display microcomputer controller and the motor controller, the torque information is displayed in real time, and the torque peak value of each bolt tightening is recorded and stored in sequence.
The action relationship of the invention is as follows: the planet reducing motor 9 runs according to the appointed requirement of a digital display microcomputer controller and a motor controller, when the torque which can be born by the lower torque clutch 12 is set to be 20 N.m, the torque is below 20 N.m, the balls 38 of the upper torque clutch 10 and the lower torque clutch 12 are clamped in the groove 35 of the torque groove sliding sleeve 33, the planet reducing motor 9 drives the torque multiplier 11, the transmission shaft 14 and the sleeve 16 to run synchronously, the one-way involute face lock tongue 17 of the torque multiplying switch is knocked out, the numerical control fixed torque vertical bolt wrench is screwed in the bolt rapidly, when the torque exceeds 20 N.m, the balls 38 of the upper torque clutch 10 and the lower torque clutch 12 and the groove 35 of the torque groove sliding sleeve 33 are disengaged due to slipping, the main shaft of the planet reducing motor 9 drives the gear component in the torque multiplier 11 to run, the shell of the torque multiplier 11 rotates reversely, when the one-way involute face lock tongue 17 of the torque multiplying switch is aligned with the tooth groove 20 of the torque multiplier 11, the one-way involute surface lock tongue 17 is automatically inserted into the tooth socket 20 under the action of spring force to limit the rotation of the shell, torque is transmitted to the transmission shaft 14 through a gear assembly in the torque multiplier 11 and is output through the transmission shaft 14, the shell of the torque multiplier 11 generates reaction force at the moment, the one-way involute surface lock tongue 17 switched on and off through the torque multiplier 11 is transmitted to the torque sensor 13, the torque sensor 13 is matched with the planetary gear motor 9, information is fed back to the digital display microcomputer controller and the motor controller, when a set torque value is reached, the machine is automatically stopped and unloaded, a torque peak value is reserved and stored, and then the next bolt is screwed.
When the numerical control fixed-torque vertical bolt wrench works, the numerical control fixed-torque vertical bolt wrench can work by being directly placed on a steel rail, and when the position of the sleeve 16 needs to be adjusted, the wrench assembly 8 can be moved only by rotating the rocking handle 25 of the transverse spacing displacement adjusting assembly and rotating the second adjusting screw rod, so that the accurate working position required by the sleeve 16 is achieved; the height position of the sleeve 16 can be adjusted by the walking assembly 1 according to different specifications and different distances between bolts or nuts 23 at different positions and the upper surface of the steel rail.
In addition, the numerical control fixed-torque vertical bolt wrench provided by the invention can work in a double-sleeve mode or a single-sleeve mode as required, is suitable for tightening and loosening operations of various vertical bolts of railway fasteners and turnouts, has the functions of calibrating, checking, recording, transmitting and the like of the torque of the bolts of the fasteners, and is an innovative small-sized road maintenance machine which has the advantages of high technical innovation content, wide application range and capability of meeting the development of high-speed railways.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (9)
1. The utility model provides a numerical control is decided moment of torsion and is found bolt spanner which characterized in that: the device comprises a supporting component, a walking component, a rack component, a control component and a plurality of wrench components, wherein the supporting component, the walking component, the control component and the wrench components are all arranged on the rack component;
the support assembly is used for supporting the numerical control fixed-torque vertical bolt wrench on a steel rail;
the walking assembly is used for enabling the numerical control fixed-torque vertical bolt wrench to move along the length direction of the steel rail;
the wrench assembly comprises a torque multiplier switch, a torque measuring device, a power device, an upper torque clutch, a torque multiplier, a transmission device and a sleeve, wherein the power device, the upper torque clutch, the torque multiplier, the transmission device and the sleeve are sequentially connected;
the control assembly is connected with the power device and the torque measuring device to control the output torque of the wrench assembly;
torque multiplier includes the shell and set up in the gear assembly of the inside of shell, be provided with the ring gear on the inner wall of shell, the ring gear with the gear assembly meshing, torque multiplier switch includes one-way involute face spring bolt, spring, fixing base and adjustment handle, the fixing base is fixed in on the torque measuring device, spring mounting in the inside of fixing base, one-way involute face spring bolt with the spring cup joints, adjustment handle is used for adjusting the elasticity and the one-way involute face spring bolt involute face direction of spring, the lateral wall circumference of shell is provided with the tooth's socket, one-way involute face spring bolt can the joint in the tooth's socket and restriction the shell of torque multiplier can only rotate towards an orientation.
2. The numerical control fixed torque vertical bolt wrench of claim 1, wherein: the supporting assembly comprises a supporting cross rod, an insulating sleeve and supporting wheel bodies, one end of the supporting cross rod can be detachably sleeved on the rack assembly, the other end of the supporting cross rod is detachably provided with one supporting wheel body, and the insulating sleeve is used for preventing the two supporting wheel bodies from being electrified.
3. The numerical control fixed torque vertical bolt wrench of claim 1, wherein: the walking subassembly includes first regulation lead screw, fixed block, rocking arm, walking wheel body, extension spring and dog, the one end of rocking arm with the walking wheel body coupling, the other end of rocking arm with the frame subassembly is articulated, the fixed block is fixed set up in on the frame subassembly, first regulation lead screw run through the fixed block and with fixed plate threaded connection, just the one end of first regulation lead screw is supported on the rocking arm, through rotatory first regulation lead screw is adjusted the position of first regulation lead screw can be adjusted the rocking arm is for the contained angle of horizontal plane, the walking wheel body pass through the extension spring with the frame subassembly is connected, the fixed block level sets up, the dog with angle between the fixed block is 120 degrees, just the fixed block with the dog set up in the both sides of frame subassembly.
4. The numerical control fixed torque vertical bolt wrench of claim 1, wherein: the rack assembly comprises a walking rack and a driving rack, the driving rack is slidably mounted on the walking rack, the supporting assembly, the walking assembly and the control assembly are mounted on the walking rack, and one wrench assembly is mounted on one driving rack.
5. The numerically controlled fixed torque vertical bolt wrench of claim 4, wherein: the walking frame includes horizontal support body, handle manipulation subassembly and a plurality of horizontal interval displacement adjusting part, the handle manipulation subassembly with the driving rack is connected, horizontal interval displacement adjusting part and the driving rack all install in on the horizontal support body, just horizontal interval displacement adjusting part with the driving rack is connected, one horizontal interval displacement adjusting part control one spanner component's removal.
6. The numerical control fixed torque vertical bolt wrench of claim 5, wherein: the transverse spacing displacement adjusting assembly comprises a second adjusting screw rod and a rocking handle, the rocking handle is connected to one end of the second adjusting screw rod, the second adjusting screw rod is fixedly connected with the driving rack to drive the wrench assembly to move, and the second adjusting screw rod is horizontally arranged and is connected with the horizontal rack through a bearing seat.
7. The numerical control fixed torque vertical bolt wrench of claim 1, wherein: the number of the wrench assemblies is two, the power device is a planetary gear motor, the transmission device is a transmission shaft, and the torque measuring device is a torque sensor.
8. The numerical control fixed torque vertical bolt wrench of claim 1, wherein: the control assembly includes automatically controlled instrument box, group battery, digital display microcomputer control appearance and machine controller, the group battery digital display microcomputer control appearance the machine controller all install in on the automatically controlled instrument box and with automatically controlled instrument box connects, automatically controlled instrument box with power device with torque measurement device connects, still install the light on the automatically controlled instrument box, be used for the light screen of shading and be used for rain-proof cover.
9. The numerical control fixed torque vertical bolt wrench of claim 1, wherein: the wrench assembly further comprises a lower torque clutch, the torque multiplier is connected with the transmission device through the lower torque clutch, and the torque borne by the upper torque clutch is smaller than the torque borne by the lower torque clutch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910264749.XA CN109986496B (en) | 2019-04-03 | 2019-04-03 | Numerical control fixed-torque vertical bolt wrench |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910264749.XA CN109986496B (en) | 2019-04-03 | 2019-04-03 | Numerical control fixed-torque vertical bolt wrench |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR89902E (en) * | 1965-11-25 | 1967-09-08 | Improved manual device for tightening lag bolts and the like | |
| DE2637954C3 (en) * | 1976-08-24 | 1979-07-26 | Georg Robel Gmbh & Co, 8000 Muenchen | Screwing machine for rail fastening screws |
| JPH0762603A (en) * | 1993-08-26 | 1995-03-07 | Ishikawajima Harima Heavy Ind Co Ltd | Railroad maintenance robot |
| CN2728702Y (en) * | 2004-10-07 | 2005-09-28 | 周大凱 | Twin-head sleeper nut setting and loosening machine |
| CN202380371U (en) * | 2011-12-28 | 2012-08-15 | 重庆铸达机电设备有限公司 | High-precision internal combustion bolt wrench |
| CN202786990U (en) * | 2012-04-26 | 2013-03-13 | 山东同力达智能机械有限公司 | Railway track bolt screwing device |
| FR3047493B1 (en) * | 2016-02-04 | 2018-02-09 | Societe Turripinoise De Mecanique | METHOD FOR CALIBRATING A TIGHTENING MACHINE OF RAILWAY RAIL RAIL ATTACHES, IN PARTICULAR WITH TIREFONDS OR NUTS, SYSTEM FOR IMPLEMENTING THE METHOD AND MACHINE EQUIPPED WITH SUCH A SYSTEM |
| CN206428535U (en) * | 2017-01-23 | 2017-08-22 | 宁波永航铁路机电科技有限公司 | Numerical control determines moment of torsion and founds track wrench |
| CN106801367A (en) * | 2017-01-23 | 2017-06-06 | 宁波永航铁路机电科技有限公司 | The vertical track wrench of moment of torsion is determined in numerical control |
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