CN2291438Y - High track gauge baffle for rail fastenings - Google Patents

Abstract

The utility model relates to a gauge apron with big adjustable gauge quantity for rail fasteners, which is forged or cast to form flat squared integration by using steel or cast iron. The utility model is divided into three parts which are a rear arc end, a front pressure plate and an intermediate hole. The length of the gauge apron is from 80MM to 100MM, the width is from 100MM to 120MM, and the thickness is from 6MM to 10MM. The internal diameter of the rear arc end is from 5MM to 10MM, and the outer diameter is from 12MM to 18MM. The upswept height of the front pressure plate is from 4MM to 12MM, and the gradient is from 1: 4 to 1: 20. To meet the need of different rail types, intermediate holes are square, rounded, round square or elliptical. The number of the gauge apron is determined in a way that the distance from the line of intersection of a vertical pressing rail bottom miter plane under the front pressure plate and a transverse top rail bottom miter plane to the centre of a circular arc subtracts 56.7MM.

Description

The railway fastener is with big roll adjustment amount gauge apron

The utility model relates to a kind of railway fastener with big roll adjustment amount gauge apron, is applicable to the gauge apron that is used with elastic bar fastener that the gauge adjustment amount is bigger, belongs to railroad track lock-in techniques field.

At present, the employed gauge apron of TB/T1495.1-92 spring I type fastener is 6,10,14,20 4 numbers, wherein is applicable to the 60kg/m rail No. 6 and No. 10, is applicable to the 50kg/m rail No. 14 and No. 20.The gauge adjusting range: the 60kg/m rail is+12～-8mm, the 50kg/m rail is+16～-8mm, the gauge adjustment amount is less.After rail uses a period of time, because rail wheeling action, a strand rail can produce side wear on the curve, therefore, the corresponding expansion of gauge, according to the railway line maintenance rule predetermining, it is 19mm that the 60kg/m rail allows maximum side grinding amount, it is 17mm that the 50kg/m rail allows maximum side grinding amount, the measurement of track side abrasion amount is 14mm place under rail level, the measurement of gauge is 16mm place under rail level, and when the track side abrasion amount reached the permission maximum value, the gauge of 60kg/m rail and 50kg/m rail enlarged 18mm and 16mm respectively.The gauge apron that is adopted can not satisfy the track side abrasion amount and reach the needs that gauge is adjusted when allowing maximum value.

The purpose of this utility model provides a kind of railway fastener with big roll adjustment amount gauge apron, it can make the gauge adjustment amount of fastener increase, maximum adjusting range: the 50kg/m rail is+18～-10mm, the 60kg/m rail is+18～-14mm, the 75kg/m rail is+16～-16mm, reach the needs that gauge is adjusted when allowing maximum value to satisfy track side abrasion.

The purpose of this utility model is achieved in that and adopts steel or cast iron to become a deltiod integral body through forging and pressing or casting, its length M is 80～110mm, width N is 100～120mm, thickness d is 6～10mm, that the centre has is one square or circular, square circular, the perforation of oval screw spike, and the position of screw spike perforation and size will guarantee that gauge apron is not inconsistent with screw spike when adjusting gauge.From the gauge apron longitudinal section, its backarc end is a concave upright circular arc, arc radius will be complementary with the apron block of withholding spring and supporting, its front end is a boss pressing plate that is upturned, upwarping highly is 4～12mm, and the pressing plate perk gradient and length of grade are decided on the position and the flange of rail gradient of withholding rail.Because the stock rail type of laying on the rail track is 50kg/m, 60kg/m and 75kg/m rail, so the utility model also is designed to 3,13,21 3 kind of model, their material is all identical with profile, only for adapt to different rail types with the perpendicular pressure flange of rail sloped contact surface of screw spike punch position and size and front pressuring plate and horizontal head track at the bottom of the intersection of sloped contact surface different to the design of the horizontal range L of center of arc of backarc end, the number of gauge apron equals the L value and deducts the 56.7mm gained.The L value of No. 3 gauge aprons is 59.7mm, the L value of No. 13 gauge aprons is 69.7mm, the L value of No. 21 gauge aprons is 77.7mm, wherein be applicable to 60kg/m and 75kg/m rail for No. 3 and No. 13, be applicable to the 50kg/m rail No. 13 and No. 21, the gauge apron of having listed above-mentioned three models with subordinate list is on the track of different rail types, according to the needs situation that outside configuration is used in rail of gauge adjustment amount.

Employing the utility model has the advantages that: can realize 50kg/m rail gauge adjustment amount reach+18～-10mm, 60kg/m rail gauge adjustment amount reaches+18～-14mm, 75kg/m rail gauge adjustment amount reaches+16～-16mm, can satisfy the needs that gauge is adjusted, simultaneously the gauge apron model reduces to three kinds by original four kinds, No. 13 big roll adjustment amount gauge aprons are common to 50,60, the 75kg/m rail, when circuit is 60 or during the 75kg/m rail by the 50kg/m rail replacement, there is a medium-sized roll adjustment amount gauge apron recycling, bigger economic benefit is arranged.

The utility model is further specified with embodiment below in conjunction with accompanying drawing.

Fig. 1 is the utility model schematic top plan view.

Fig. 2 is the A-A cross-section cutaway view of Fig. 1.

Fig. 3 is the D structure figure of square opening in the middle of the utility model.

Fig. 4 is the D structure figure of circular port in the middle of the utility model.

Fig. 5 is the D structure figure in square circular hole in the middle of the utility model.

Fig. 6 is the D structure figure of slotted eye in the middle of the utility model.

The sloped contact surface 5. perpendicular flange of rail sloped contact surface of pressing at the bottom of 1. backarc ends, 2. front pressuring plates, 3. interstitial holes, the 4. horizontal head tracks among the figure

Through the deltiod gauge apron that forging and pressing or casting form, be divided into backarc end 1, front pressuring plate 2 and interstitial hole 3 these three parts with steel or cast iron, baffle length M is 80～110mm, and width N is 100～120mm, and thickness d is 6～10mm.Its backarc end 1 is a concave upright circular arc, and circular arc external diameter R1 will be complementary with employed apron block, and its value is 12～18mm, and internal diameter R2 will be complementary with employed spring, and its value is 5～10mm, and the bottom surface contacts with apron block, contacts with spring above.Front pressuring plate 2 is a boss pressing plate that is upturned, and is used to suppress the flange of rail, and upwarping highly is 4～12mm, and horizontal length 1 is installed on rail joint with gauge apron or is installed on rail size waist position relevant, and its value is 4～18mm.Interstitial hole 3 is one square or circular, square circular, the perforation of oval screw spike, and the position and the size of screw spike perforation will guarantee that gauge apron is not conflicted with screw spike in the gauge adjustment process.Sloped contact surface 4 at the bottom of the horizontal head track of this baffle plate is directly withstood the flange of rail, and its gradient is 1: 4～1: 20.The perpendicular sloped contact surface 5 of the flange of rail of pressing of this baffle plate is directly pushed down the flange of rail, and its gradient is 1: 4～1: 20.At the bottom of the horizontal head track sloped contact surface 4 and perpendicular intersection of pressing flange of rail sloped contact surface 5 to the horizontal range L of backarc end 1 center of arc be significant dimensions of the present utility model, its value has determined the number and the gauge adjustment amount of gauge apron, the gauge apron number value equals the L value and deducts the 56.7mm gained, the utility model divides 3,13,21 3 models, the L value of No. 3 gauge aprons is 59.7mm, the L value of No. 13 gauge aprons is 69.7mm, the L value of No. 21 gauge aprons is 77.7mm, wherein is applicable to 60kg/m and 75kg/m rail for No. 3 and No. 13, is applicable to the 50kg/m rail No. 13 and No. 21.

The configuration mode of gauge adjusting range and gauge and gauge apron number as can be seen from subordinate list.When the track side abrasion amount reaches the permission maximum value, use the big roll adjustment amount of the utility model gauge apron to adjust gauge, can guarantee that gauge remains within the allowed band of regulation.

Subordinate list

Gauge mm	The heavy mm of gauge adjustment	50kg/m								60kg/m								75kg/m
																										A left side strand rail				Right strand rail				A left side strand rail				Right strand rail				A left side strand rail				Right strand rail
		The outside		Inboard		Inboard		The outside		The outside		Inboard		Inboard		The outside		The outside		Inboard		Inboard		The outside
																										The baffle plate seat number	Gauge apron number	Gauge apron number	The baffle plate seat number	The baffle plate seat number	Gauge apron number	Gauge apron number	The baffle plate seat number	The baffle plate seat number	Gauge apron number	Gauge apron number	The baffle plate seat number	The baffle plate seat number	Gauge apron number	Gauge apron number	The baffle plate seat number	The baffle plate seat number	Gauge apron number	Gauge apron number	The baffle plate seat number	The baffle plate seat number	Gauge apron number	Gauge apron number	The baffle plate seat number
		1435	-16																	6	13	3	0	0	3																									13	6
-14																																	6	13	3	0	0	3	13	6	6	13	3	0	2	3	13	4
			-12									6	13	3	0	2	3	13	4	4	13	3	2	2	3																								13	4
-10	6																									21	13	0	0	13	21	6	4	13	3	2	2	3	13	4	4	13	3	2	4	3	13	2
			-8	6	21	13	0	2	13	21	4	4	13	3	2	4	3	13	2	2	13	3	4	4	3																								13	2
-6	4																									21	13	2	2	13	21	4	2	13	3	4	4	3	13	2	6	3	13	0	0	3	13	6
			-4	4	21	13	2	4	13	21	2	6	13	3	0	0	3	13	6	6	3	13	0	2	3																								13	4
-2	2																									21	13	4	4	13	21	2	6	13	3	0	2	3	13	4	4	3	13	2	2	3	13	4
			0	6	13	21	0	2	13	21	4	4	3	13	2	2	3	13	4	4	3	13	2	4	3																								13	2
+2	4																									13	21	2	2	13	21	4	4	3	13	2	4	3	13	2	2	3	13	4	4	3	13	2
			+4	4	13	21	2	4	13	21	2	2	3	13	4	4	3	13	2	6	3	13	0	0	13																								3	6
+6	2																									13	21	4	4	21	13	2	6	3	13	0	0	13	3	6	4	3	13	2	0	13	3	6
			+8	4	13	21	2	0	21	13	6	4	3	13	2	0	13	3	6	4	3	13	2	2	13																								3	4
+10	4																									13	21	2	2	21	13	4	4	3	13	2	2	13	3	4	2	3	13	4	2	13	3	4
			+12	2	13	21	4	2	21	13	4	2	3	13	4	2	13	3	4	2	3	13	4	4	13																								3	2
+14	2																									13	21	4	4	21	13	2	2	3	13	4	4	13	3	2	0	3	13	6	4	13	3	2
			+16	0	13	21	6	4	21	13	2	0	3	13	6	4	13	3	2	0	3	13	6	6	13																								3	0
+18	0																									13	21	6	6	21	13	0	0	3	13	6	6	13	3	0

Claims (4)

1, the railway fastener is with big roll adjustment amount gauge apron, it is characterized in that: this gauge apron is to become a deltiod integral body with steel or cast iron through forging and pressing or casting, be divided into backarc end, front pressuring plate and three parts of interstitial hole, baffle length is 800～110mm, width is 100～120mm, thickness is 6～10mm, deduct the number that 56.7mm determines baffle plate with the intersection of sloped contact surface at the bottom of perpendicular pressure flange of rail sloped contact surface under the front pressuring plate and the horizontal head track to the center of arc of backarc end apart from the L value, to adapt to different rail type needs.

2, gauge apron according to claim 1 is characterized in that: the backarc end is a concave upright circular arc, and circular arc external diameter R1 is 12～18mm, and internal diameter R2 is 5～10mm.

3, gauge apron according to claim 1, it is characterized in that: front pressuring plate is a boss pressing plate that is upturned, upwarping highly is 4～12mm, horizontal range 1 value be at the bottom of perpendicular pressure flange of rail sloped contact surface under 4～18mm pressing plate and the horizontal head track gradient of sloped contact surface be 1: 4～1: 20.

4, gauge apron according to claim 1 is characterized in that: interstitial hole is square or circular or a square circular or an oval screw spike hole, and gauge apron was not inconsistent with screw spike when the position in hole and size dimension will guarantee to adjust gauge.

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