CN216304312U

CN216304312U - Double-grinding-head steel rail weld beading grinding machine

Info

Publication number: CN216304312U
Application number: CN202122502428.4U
Authority: CN
Inventors: 文印智
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-04-15
Anticipated expiration: 2031-10-18

Abstract

The utility model relates to the technical field of grinding, in particular to a double-grinding-head steel rail weld beading grinding machine which comprises a rail clamping device, wherein the rail clamping device consists of a horizontal rotating support, a rail clamping device support, a rail clamping arm, a rotation stopping support, a machine body lifting mechanism and a lifting wheel set, wherein a positive screw and a negative screw are arranged on the horizontal rotating support; the grinding head reciprocating mechanism is characterized in that a reciprocating motor drives a worm and gear speed reducer to operate, the worm and gear speed reducer drives a crank, the crank is connected with a ball head pull rod through a connecting rod, and the grinding head can be controlled to do reciprocating motion. Compared with the prior art, the utility model has the advantages of compact structure, light weight, miniaturization and capability of realizing movement in four directions; the rail clamping device has good clamping effect; the mechanism is convenient to move.

Description

Double-grinding-head steel rail weld beading grinding machine

Technical Field

The utility model relates to the technical field of grinding, in particular to a double-grinding-head steel rail weld beading grinding machine.

Background

A steel rail grinding machine is equipment frequently used in the urban rail transit construction process, and is mainly applied to grinding the surfaces of steel rail cracks and welding seams, so that the same size precision and section shape as the surface of a normal steel rail are obtained, the current high-speed rail, subway and wired transformation construction task amount is large, consumed manpower and material resources are huge, grinding of steel rail welding beading is mostly carried out through manual grinding or grinding by a profiling machine, the process is high in labor intensity and low in efficiency, the task quality is difficult to control, and meanwhile, whether the grinding uniformity depends on the reciprocating push-pull speed of an operator or not is constant, so that certain errors exist.

Chinese utility model patent, patent number: CN201620244231.1 discloses a multi-functional rail polisher. The multifunctional steel rail grinding machine comprises a main frame, an auxiliary frame, a grinding mechanism and an adjusting device, wherein the auxiliary frame runs on the main frame, the grinding mechanism is assembled on the auxiliary frame, and the adjusting device is used for adjusting the rotation and the lifting of the grinding mechanism. The method provided by the patent seems to be more diversified in function, but actually the efficiency completion rate is not high, each task is relatively rough to complete, and the number of parts requiring manual operation is large, so that the time and the labor are wasted.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects of the prior art and provides a novel small-sized double-grinding-head steel rail flash polisher with a compact structure and light weight.

In order to achieve the above object, a double-head rail flash grinding machine is designed, comprising:

the rail clamping device comprises a horizontal rotating support, a rail clamping device support, a rail clamping arm, a rotation stopping support, a machine body lifting mechanism and a lifting wheel set, wherein a positive screw and a negative screw are arranged on the horizontal rotating support;

the grinding head reciprocating mechanism is characterized in that a reciprocating motor drives a worm and gear speed reducer to operate, the worm and gear speed reducer drives a crank, the crank is connected with a ball head pull rod through a connecting rod, and the grinding head can be controlled to do reciprocating motion.

Preferably: and the center pin is embedded and installed between the vertical sliding block base and the reciprocating mechanism installation base.

Preferably: the horizontal transverse moving mechanism consists of a horizontal transverse moving assembly, a horizontal transverse moving driving device, a horizontal transverse moving sliding block, a longitudinal supporting beam and an angle horse connecting piece, wherein the horizontal transverse moving driving device is fixed at two ends of the horizontal guide rail assembly through the angle horse connecting piece, and the horizontal transverse moving sliding block is fixed on the horizontal guide rail assembly.

Preferably: the vertical lifting mechanism consists of a vertical guide rail assembly, a vertical lifting driving device, a lifting slide block and a corner horse connecting piece, wherein the vertical lifting driving device is fixed at two ends of the vertical guide rail assembly through the corner horse connecting piece, and the vertical lifting slide block is fixed on the vertical guide rail assembly.

Preferably: the horizontal guide rail connecting plate and the vertical guide rail connecting plate are provided with bevel gears to drive screw rods, and the horizontal transverse moving mechanism is fixed on the vertical guide rail assembly through a screw seat of the horizontal transverse moving mechanism to realize synchronous movement in the horizontal and vertical directions.

Preferably, the two horizontal guide rail connecting plates, the two vertical guide rails and the support beam connecting plate form a square frame structure.

Preferably, the grinding head comprises two grinding heads, wherein each grinding head is formed by connecting a grinding head crank connecting rod mechanism O-shaped linear guide rail, a supporting partition plate, a punching seal plate and square bases at two ends through a center pin, and two ends of a grinding head assembly are arranged on the bases of a vertical guide rail and a horizontal guide rail so as to realize vertical feeding and horizontal feeding of the grinding head.

Preferably: the handrail is fixed on the horizontal guide rail through the handrail base, the balancing device is fixed on the outer side of the handrail, and the electric system is fixed between the horizontal guide rail and the handrail.

Preferably: the reciprocating mechanism also comprises a hand wheel, wherein the hand wheel can be replaced by a stepping motor, and the reciprocating motor can be replaced by a servo electric push cylinder.

Compared with the prior art, the utility model has the advantages that:

1. the design has compact structure and stable connection among all the components;

2. the weight is light, and the whole machine is miniaturized;

3. the grinding head moves in four axes, so that the four-direction movement can be realized;

4. the rail clamping device has good clamping effect, so that the polishing precision is higher;

5. the mechanism is convenient to move, and can be manually transposed and transferred after being lifted;

6. after the manual device is replaced, digital control is finally realized.

Drawings

FIG. 1 is an assembly view front elevation of the present invention;

FIG. 2 is a top view of an assembly drawing of the present invention;

FIG. 3 is a side view of an assembly drawing of the present invention;

FIG. 4 is a front view of an assembly drawing of the reciprocating mechanism of the present invention;

FIG. 5 is a top plan view of an assembly view of the reciprocator of the present invention;

FIG. 6 is a front view of an assembly view of the vertical lift mechanism of the present invention;

FIG. 7 is a front view of an assembly view of the horizontal traverse mechanism of the present invention;

FIG. 8 is a front elevational view of the rail clamp assembly of the present invention in a locked condition;

FIG. 9 is a front elevational view of the rail clamp assembly of the present invention in an open condition;

FIG. 10 is an assembly view of the rail clamp of the present invention;

FIG. 11 is an assembly view of the rail clamp of the present invention;

fig. 12 is a front view of an assembly drawing of the grinding head of the present invention;

fig. 13 is a side view of an assembly drawing of the grinding head of the present invention;

fig. 14 is a left side grinding head sectional view of the grinding head assembly drawing of the present invention;

fig. 15 is a right side grinding head sectional view of the grinding head assembly drawing of the utility model;

fig. 16 is a cross-sectional view of an assembly drawing of the grinding head of the present invention;

in the figure: 1. the grinding head 2, the grinding head reciprocating structure 3, the vertical lifting mechanism 4, the horizontal transverse moving mechanism 5, the rail clamping device 6, the supporting leg 7, the electrical system 8, the handrail base 9, the handrail 10, the balancing device 11, the reciprocating motor 12, the ball head pull rod 13, the O-shaped linear guide rail 14, the central pin 15, the vertical slider mounting base 16, the reciprocating mechanism mounting base 17, the connecting rod 18, the worm gear reducer 19, the crank 20, the horizontal transverse moving assembly 21, the horizontal transverse moving driving device 22, the horizontal transverse moving slider 23, the longitudinal supporting beam 24, the angle horse connecting piece 25, the vertical guide rail assembly 26, the vertical lifting driving device 27, the lifting slider 28, the angle horse connecting piece 29, the horizontal transverse moving mechanism screw base 30, the horizontal transverse moving mechanism square slider 31, the positive and negative lead screws 32, the positive and negative nuts 33, the rail clamping arm 34, the rotation stopping support 35, the vertical shaft 36, the rail clamping device support 37, the horizontal rotating support 38, the supporting plate 39, the punching connecting plate 40, the cup-shaped grinding wheel 41 and the grinding wheel shaft top sleeve 42 43. Horizontal shaft cover 44, gear box 45, bottom end cover 46, gland 47, vertical shaft spiral bevel gear 48, horizontal shaft spiral bevel gear 49, bearing seat 50, vertical transmission shaft 51, self-lubricating graphite copper bush 52, gear box cover 53, synchronous pulley 54, synchronous belt 55, synchronous pulley 56, grinding motor 57 and bearing spacer.

Detailed Description

Referring to fig. 1, fig. 2 and fig. 3, the double-grinding-head steel rail flash grinding machine is composed of seven parts, namely a rail clamping device 5, a grinding head 1, a horizontal guide rail 4, a vertical guide rail 3, a supporting leg 6, an armrest 9, a balancing rod 10 and an electric appliance control 7.

The welding beading polisher body is located between horizontal guide rail connecting plate and rail clamping device 5, and the organism comprises horizontal sideslip guide rail 4, vertical lift guide rail 3, bistrique assembly, and horizontal guide rail connecting plate and vertical guide rail connecting plate connect through longitudinal support beam 23 and constitute square frame structure, length 1304mm, width 801mm, height 693 mm.

Referring to fig. 4, 5, 10 and 11, a grinding head 1 is connected to the square frame structure, and the grinding head 1 penetrates two O-shaped linear guide rails 13 through a grinding head gear box body, so that the grinding head longitudinally reciprocates along the O-shaped linear guide rails to realize grinding processing. The grinding head drive motor 56 is a high-power brushless motor, and the working parameters are as follows:

the power is 1500w, and the power is 1500w,

the grinding head drives the motor rotating speed: n electric =2100 to 4300rpm,

the grinding head is in total transmission: itotal =2/3

The rotating speed of the grinding wheel is as follows: n = 3150-6450 rpm

Grinding wheel linear velocity: v =16.5~33.8m/s

The grinding wheel is a cup-shaped resin special grinding wheel of 100 multiplied by 50

Rotation speed of reciprocating drive motor: n electricity =2300rpm

Worm gear speed reducer drive ratio: i minus =30

The output rotating speed of the worm gear speed reducer is as follows: n output =76.7rpm

Average linear velocity of the grinding head: v Mill =102mm/s

In the processing process, the grinding head synchronous belt pulley 54 drives the spiral bevel gear 47 and the vertical shaft 35 to vertically move the vertical shaft 35, the cup-shaped grinding wheel 40 is enabled to horizontally move through the spiral bevel gear 48, the end face and the warp face of the cup-shaped resin grinding wheel 40 (grinding material) can participate in grinding as required, the grinding head 1 is connected with the gear box 44 through the cam shaft at the output end of the NMRV050 type worm gear reducer 18 to reciprocate through the connecting rod 17, two ends of the grinding head assembly are arranged on the bases of the vertical guide rail and the horizontal guide rail, the grinding head 1 can perform vertical feeding and horizontal feeding, the horizontal guide rail and the vertical guide rail are provided with hand wheels, the hand wheels can drive lead screws, two persons can simultaneously operate to achieve horizontal grinding and vertical grinding feeding, and the grinding machine assembly and the positioning pins at the two ends can be adjusted and locked through screws. The angles required in the grinding process are respectively as follows: 2.86 degrees, 18.34 degrees, 13.1 degrees, 1.43 degrees, and 90 degrees. A pair of

bevel gears

47 and 48 are respectively arranged at two ends of a transverse shaft on the horizontal connecting plate and the vertical connecting plate, and the handwheel drives the driven lead screw at the other end to rotate when rotating, so that the synchronization of horizontal transverse movement and up-and-down lifting is realized. The above techniques are well known to those skilled in the art and are readily implemented.

Referring to fig. 8 and 9, another important part is the rail clamp 5, which is not removed for flash grinding operations on the rail. The rail clamping device is composed of a horizontal rotating support 37, a rail clamping device support 36, a support arm 33, a rotation stopping support 34, a machine body lifting mechanism and a lifting wheel set, wherein a positive screw 31 and a negative screw 31 are arranged on the horizontal rotating support 37, the support arm 33 is arranged on the positive screw 31 and the negative screw 31 through a positive nut 32, the lower end of the support arm 33 is connected with the rotation stopping support 34, the rail clamping device 5 is enabled to be clamped and opened and closed through the movement of the positive nut 32 and the negative screw 31, a rail clamping arm is arranged, and the machine body lifting mechanism and the lifting wheel set are arranged on the rail clamping device support. The rail clamping device support is connected with the horizontal guide rail connecting plate by adopting a vertical shaft 35, and the purpose of connection in the way is as follows: the longitudinal irregular deviation generated by the bending degree of the steel rail or the difference of field conditions in the construction of curve radius is automatically adjusted and overcome, the machine body is ensured to be always vertical to the tangent line of the center of the steel rail, and the smooth forward and backward movement in the horizontal direction and the forward and backward movement in the vertical direction are ensured.

Referring to fig. 1 and 2, the supporting legs 6 are arranged between horizontal guide rails 20 and located at the lower end of the whole machine body, handrails 9 are arranged at the left end and the right end of the square frame, the handrails 9 are fixed on the horizontal guide rails 20 through handrail bases 8, the balancing device 10 is fixed on the outer sides of the handrails 9, the arrangement can effectively prevent the whole machine from inclining in the horizontal direction during transfer, the electrical system 7 is fixed between the horizontal guide rails 20 and the handrails 9, two electrical control cabinets are arranged on two sides of one end of each horizontal guide rail 20 and respectively control two grinding head motors and a crank link mechanism motor, and the control functions of power switching, emergency stop, speed regulation and forward and reverse rotation are achieved. The motor driver is installed on the vertical lifting connecting plate, and the rectifying device is installed in the control cabinet, so that the voltage regulating function is realized, the input voltage is 220V, and the output voltage is 24V. The electric appliance control is provided with overload protection, an emergency stop button and leakage protection.

The design of the utility model is small, light and convenient, is convenient to operate, and can be quickly separated from the track in a window period particularly in a wired transformation construction process, except that a small amount of parts adopt No. 45 alloy steel, the other parts all adopt aluminum alloy castings, and the weight of the whole machine is only 153.6kg and is far less than that of the existing machine. For safety control in the grinding process, the device is additionally provided with a protection system, and the whole grinding process is carried out in a protection cover

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be within the technical scope of the present invention, and the technical solutions and novel concepts according to the present invention with the equivalent replacement or change should be covered within the scope of the present invention.

Claims

1. The utility model provides a two bistrique rail weld beading polisher which characterized in that includes:

2. A dual head rail flash sander as set forth in claim 1, further comprising a center pin, said center pin being mounted in-line between said vertical slider base and said reciprocator mounting base.

3. A dual head rail flash sander as set forth in claim 1, further comprising a horizontal traverse mechanism comprising horizontal traverse assemblies, horizontal traverse actuators, horizontal traverse sliders, longitudinal support beams and turret connectors, wherein the horizontal traverse actuators are fixed to both ends of the horizontal guide rail assemblies through the turret connectors, the horizontal traverse sliders are fixed to the horizontal guide rail assemblies, and the longitudinal support beams are disposed in parallel between the horizontal traverse assemblies.

4. The dual grinding head rail flash sander as set forth in claim 1, further comprising a vertical lift mechanism comprising a vertical guide assembly, a vertical lift drive, a lift slide and a clevis joint, wherein the vertical lift drive is fixed to both ends of the vertical guide assembly by the clevis joint, and the lift slide is fixed to the vertical guide assembly.

5. A dual-grinding-head rail flash sander as set forth in claim 1, further comprising bevel gear driving screws mounted on the horizontal rail connecting plate and the vertical rail connecting plate, the horizontal traversing mechanism being fixed to the vertical rail assembly by a nut seat of the horizontal traversing mechanism for realizing synchronous movement in the horizontal and vertical directions.

6. The dual head rail flash sander as set forth in claim 1, further comprising two horizontal rail attachment plates, two vertical rail and support beam attachment plates forming a square frame structure, the horizontal rail attachment plates being connected to the rail clamp bracket by a vertical shaft.

7. A dual grinding head rail flash sander as set forth in claim 1, further comprising two grinding heads, wherein the grinding heads comprise a grinding head crank link mechanism O-shaped linear guide, a support spacer, a punching link plate, a square base at both ends and a center pin, the support spacer is screwed between the punching link plate and the O-shaped linear guide, both ends of the punching link plate are connected to the reciprocating mechanism mounting base, the O-shaped linear guide passes through the grinding heads to reciprocate the grinding heads longitudinally along the O-shaped linear guide for grinding, the center pin is embedded between the vertical slider base and the reciprocating mechanism mounting base, and both ends of the grinding head assembly are mounted on the bases of the vertical guide and the horizontal guide, thereby achieving vertical feeding and horizontal feeding of the grinding heads.

8. A dual-grinding-head rail flash sander as set forth in claim 6, wherein said square frame has left and right ends, said armrest is fixed to said horizontal rail by means of said armrest base, said balancing device is fixed to the outside of said armrest, and said electrical system is fixed between said horizontal rail and said armrest.

9. A dual wheelhead rail flash sander as set forth in claim 1, further comprising a hand wheel, said hand wheel being replaced by a stepper motor, said reciprocating motor being replaced by a servo-electric push cylinder.