CN102160927B - Device for tug of war - Google Patents

Abstract

A device for tug-of-war competitions, the bottom plate is provided with a convex shell, the shell is provided with a convex bracket, the top is provided with an upper fixed pulley, and the lower part is provided with two lower fixed pulleys, and the wire rope goes around the upper fixed pulley and the two lower fixed pulleys , and then pass through the brake mechanism and the safety brake mechanism respectively, and they extend to the ends of the shell to form loops. On the two sections of wire rope between the two lower fixed pulleys, there is a connecting piece fixed on it, and the pointer connected to the connecting piece passes through the corresponding vertical hole of the shell, and the part outside the shell is connected to the shell. Corresponds to dimension line marks centered on 0. The invention can control the position of the tug-of-war rope at the beginning and end of the tug-of-war competition, fairly display the competition results and prevent the group from falling backwards, so that the competition is safer.

Description

The device that a kind of tug-of-war is used

Technical field

The present invention relates to the equipment that a kind of athletic sports appliance, particularly tug-of-war are used.

Background technology

At present, the equipment that tug-of-war is used is the rope that there is marker a centre, and during use, the personnel of two teams pull at the both sides of holding this tug-of-war rope.There is following problem in this tug-of-war: the marker at wayward rope middle part is positioned zero point before one, taking the field, and can't control the fixed demonstration achievement of system marker after moving during end of match; Two, felt that the unexpected hand of the losing side decontrols the tug-of-war rope, collective or many people can be taken place and fallen down backward to cause and hurt sb.'s feelings in the winner.When three, match was carried out, spectators player of two teams were not easy to see match progress degree and achievement.

Summary of the invention

The object of the present invention is to provide and a kind ofly can control tug-of-war and begin to finish tug-of-war rope present position, the device that the fair tug-of-war that shows games results and match safety is used.The present invention mainly includes: base plate, convex shape shell, convex shape support, fixed pulley, steel wire rope, tug-of-war rope, arrestment mechanism and safety arrestment mechanism up and down.Wherein, the base plate that can fix on the ground is provided with the fixing and convex shape shell on it in lower end above; In this convex shape shell, be provided with the convex shape support; Be provided with one in the open slot at its top and go up fixed pulley, respectively establish a following fixed pulley in the open slot at two angles, its underpart, the roll surface of last fixed pulley and two following fixed pulleys is parallel to each other; And the end face of the end face of last fixed pulley and two following fixed pulleys in one plane; Two following fixed pulley present positions are symmetrical in both sides, fixed pulley below, and the steel wire rope middle part places in the fixed pulley groove, and fixed pulley is walked around at these steel wire rope two ends downwards respectively twice; Pass arrestment mechanism and safety arrestment mechanism more respectively; They reach the outer termination of round buss and unroll and be fixed into the collar by securing member, this two collar each with one eradicate river end head the collar link to each other through the opening hook, steel wire rope and tug-of-war are restricted is linked to be a rope.On two sections steel wire ropes between above-mentioned fixed pulley and twice fixed pulleys; Respectively establish a fixing connector on it; The pointer that links to each other with this connector passes the corresponding with it vertical cylindrical void of shell, and it is positioned on shell part outward and the shell with 0 is that the dimension line mark at center is corresponding.Preferably this pointer is a font, and it can not only make the both sides of match can see playing conditions around to perpendicular one side, and can make judge and spectators see playing conditions.Above-mentioned arrestment mechanism can be located at any side of fixed pulley twice; It has a lower end to be fixed on the vertical lock frame on the base plate; Be hinged with the stiff end of brake lever in the slit opening of this lock frame upper end, this brake lever passes the shell vertical cylindrical void corresponding with it, and free end is positioned at outside the housing.Brake lever in the enclosure has the coupled last brake shoe in top, and its downward concave surface is corresponding with steel wire rope, with last brake shoe relatively and the lower end of the corresponding following brake shoe of the concave surface that makes progress and steel wire rope then be fixed on the base plate.The vertical cylindrical void outside passing brake lever is provided with coupled axle bed, and bar shaped confinement plate one end of level is hinged with it, and the other end of this bar shaped confinement plate can place on the brake lever through removing the commentaries on classics control stick.Brake lever after pressing down is positioned at the outer part location of shell.Respectively establish a safety arrestment mechanism twice fixed pulley both sides in addition, this safety arrestment mechanism has a lower end to be fixed on the vertical rack on the base plate, threaded through hole in establish on this vertical rack top; It is connected with the round buss external screw-thread; This round buss one end is established opening, and the semiclosed end of opposite side is provided with the through hole of steel wire penetrating, is enclosed within the steel wire rope outside and places the spring in the round buss; The semiclosed end of one end and round buss is adjacent, and the other end is adjacent with the securing member that is located on the steel wire rope.

When using this device, can take two pointer upper edges of following two kinds of methods adjustment to aim at 0 point of dimension line: one, to screw two round busses and can adjust 0 point that dimension line is aimed in two pointer upper edges.Two, move up and down after two pointer upper edges aim at 0 of dimension lines along the groove of housing, two pointers are retightened with securing member be connected again.Before the tug-of-war, push brake lever downwards and make the recessed brake shoe of fovea superior brake shoe realize braking to steel wire rope, this has guaranteed that two pointer upper edges return 0, and two teams are in same starting point.When declaring the competition open, upwards carrying brake lever makes the recessed brake shoe of fovea superior brake shoe break away from the braking to steel wire rope; The pointer segment of winner's one side moves down; The pointer of the vanquished one side moves up, and player of two teams and spectators move the progress situation that can intuitively recognize match through the pointer of watching the housing four sides.When fixture is competed to declaring the closing of, push the brake lever steel wire rope downwards and be braked, pointer then shows the victory or defeat quantized data that writes down out two teams.Fixture does not arrive; The winner has obtained full marks; If the vanquished hand is suddenly decontroled the tug-of-war rope, tug-of-war is restricted when winner's displacement certain distance, and the securing member inner face of steel wire rope termination is spacing by the outer face of round buss; Realized the braking of steel wire rope and tug-of-war rope, prevented that the winner from collective or many people being taken place fall down backward and cause the situation of hurting sb.'s feelings to take place.Match intermittently the time stepping brake the method for brake wire: press down brake lever, remove the commentaries on classics confinement plate to the right, make to be pressed in above the brake lever below the confinement plate and can realize the long period brake wire.When on carry brake lever and free braking steel wire rope, the outside bullet of spring that is compressed a side holds out against firmware tractive steel wire rope makes the pointer upper edge return 0 point.

The present invention compared with prior art has following advantage: one, push brake lever under the forward direction in match and make the recessed brake shoe of fovea superior brake shoe realize braking to steel wire rope, this has guaranteed that two pointer upper edges return 0, and two teams are in same starting point; Two, when declaring the competition open, upwards carrying brake lever makes the recessed brake shoe of fovea superior brake shoe break away from the braking to steel wire rope; The groove shape pointer segment of winner's one side moves down; The groove shape pointer segment of the vanquished one side moves up, and player of two teams and spectators move the progress situation that can intuitively recognize match through the groove shape pointer segment of watching the housing four sides.Three, arrive when fixture, push the brake lever steel wire rope downwards when declaring the closing of match and be braked, pointer then shows the victory or defeat quantized data that writes down out two teams.When on carry brake lever and free braking steel wire rope, the outside bullet of spring that is compressed a side holds out against firmware tractive steel wire rope makes the pointer upper edge return 0 point, can compete for following innings.Four, fixture does not arrive, and the winner has obtained full marks, and the unexpected hand of the vanquished is decontroled the tug-of-war rope, and the tug-of-war rope starts safety arrestment mechanism when the moving certain distance of winner's displacement, prevents that the winner from collective or many people being taken place fall down backward and cause the situation of hurting sb.'s feelings to take place.Five, this device makes the function that games results quantize, and for formulating rational tug-of-war evaluation method, improves the tug-of-war mode condition assurance is provided.

Description of drawings

Fig. 1 is that master of the present invention looks sketch map.

Fig. 2 is that sketch map is looked on a left side of the present invention.

Fig. 3 is a schematic top plan view of the present invention.

Fig. 4 is the B-B cutaway view of Fig. 3.

Fig. 5 is the A-A cutaway view of Fig. 1.

The specific embodiment

The device of using in Fig. 1, Fig. 2, Fig. 3, Fig. 4 and a kind of tug-of-war shown in Figure 5; Its base plate that can fix on the ground 1; Above through securing member be provided with the lower end fixing with its on convex shape shell 2, in this convex shape shell, be provided with convex shape support 3, be provided with one in the open slot at its top and go up fixed pulley 4; Respectively establish a following fixed pulley 5 in the open slot at two angles, its underpart; The roll surface of last fixed pulley and two following fixed pulleys is parallel to each other, and the end face of the end face of last fixed pulley and two following fixed pulleys in one plane, and two following fixed pulley present positions are symmetrical in both sides, fixed pulley below.Steel wire rope 6 middle parts place in the fixed pulley groove; Fixed pulley is walked around at these steel wire rope two ends downwards respectively twice; Pass arrestment mechanism and safety arrestment mechanism more respectively; They reach the outer termination of round buss and unroll and be fixed into the collar by securing member 7, and each links to each other this two collar through opening hook 9 with the restrict collar of 8 terminations of river of eradicating, and steel wire rope and tug-of-war are restricted is linked to be a rope.On two sections steel wire ropes between above-mentioned fixed pulley and twice fixed pulleys; Respectively establish a fixing connector 10 on it; The pointer 11 that links to each other with this two connector passes the corresponding with it vertical cylindrical void of shell respectively, and it is positioned on shell part outward and the shell with 0 is that the dimension line mark 12 at center is corresponding.This pointer is a font, and it can be around arriving perpendicular one side.Above-mentioned arrestment mechanism can be located at any side of fixed pulley twice; It has a lower end to be fixed on the vertical lock frame 13 on the base plate; Be hinged with the stiff end of brake lever 14 in the slit opening of this lock frame upper end, this brake lever passes the shell vertical cylindrical void corresponding with it, and free end is positioned at outside the housing.Brake lever in the enclosure has the last brake shoe 15 that top is weldingly connected with it, and its downward concave surface is corresponding with steel wire rope, with last brake shoe relatively and the lower end of the corresponding following brake shoe 16 of the concave surface that makes progress and steel wire rope then be welded on the base plate.The vertical cylindrical void outside passing brake lever is welded with coupled axle bed 17, and horizontal bar shaped confinement plate 18 1 ends are hinged with it, and the other end of this bar shaped confinement plate can place on the brake lever through removing commentaries on classics control stick 19.Respectively establish a safety arrestment mechanism twice fixed pulley both sides in addition, this safety arrestment mechanism has a lower end to be fixed on the vertical rack 20 on the base plate, threaded through hole in establish on this vertical rack top; It is connected with round buss 21 external screw-threads; This round buss one end is established opening, and the semiclosed end of opposite side is provided with the through hole of steel wire penetrating, is enclosed within the steel wire rope outside and places the spring 22 in the round buss; The semiclosed end of one end and round buss is adjacent, and the other end is adjacent with the securing member 23 that is located on the steel wire rope.

Claims (2)

1. A device for tug-of-war competitions, characterized in that: the base plate is provided with a convex shell whose lower end is fixed on the base plate, a convex bracket is provided in the convex shell, and an opening groove on the top of the bracket is provided with a For the upper fixed pulley, a lower fixed pulley is provided in the opening grooves at the two corners of the lower part of the bracket. The roller surfaces of the upper fixed pulley and the two lower fixed pulleys are parallel to each other, and the end faces of the upper fixed pulley and the two lower fixed pulleys are on the same plane. On the top, the two lower fixed pulleys are symmetrically located on the left and right sides below the upper fixed pulley. The middle part of the wire rope is placed in the groove of the upper fixed pulley. Braking mechanism, the ends of which extend out of the circular sleeve are looped and fixed by fasteners to form loops. These two loops are connected to the loops at the ends of a tug-of-war rope through opening hooks. The upper fixed pulley and the two On the two sections of wire rope between the lower pulleys, there is a connecting piece fixed on it, and the pointer connected to the connecting piece passes through the corresponding vertical hole on the shell. The pointer is located on the part outside the shell and on the shell. Corresponding to the dimension line marked with 0 as the center, the above-mentioned braking mechanism is located on either side of the two lower fixed pulleys, and has a vertical brake frame whose lower end is fixed on the bottom plate. The fixed end of the handle, the handle passes through the corresponding vertical bar hole on the casing, the free end is located outside the casing, and an upper brake shoe connected to the upper part is provided under the brake handle in the casing, and the upper brake shoe is downward The concave surface corresponds to the steel wire rope, and the lower brake shoe corresponding to the upper concave surface and the steel wire rope is fixed on the bottom plate. In addition, a safety brake mechanism is installed on both sides of the two lower fixed pulleys. The safety brake mechanism has a The lower end of the vertical bracket is fixed on the bottom plate. The upper part of the vertical bracket is provided with a threaded through hole, which is connected with the external thread of the circular sleeve. One end of the circular sleeve is provided with an opening, and the other side of the semi-closed end is provided with a wire rope. Through the through hole, the spring is set outside the steel wire rope and placed in the circular sleeve. One end is adjacent to the semi-closed end of the circular sleeve and the other end is adjacent to the fastener provided on the steel wire rope. 2. The device for tug-of-war competition according to claim 1, characterized in that: a shaft seat connected to the vertical bar hole is provided outside the vertical bar hole, and one end of the horizontal strip-shaped limiting plate is hinged to the shaft seat, and the strip-shaped limiting plate The other end is placed on the brake handle by turning the joystick.

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