CN106984024B - Spliced golf exerciser made of aluminum alloy sections - Google Patents

Abstract

A spliced golf exerciser made of aluminium alloy sections is composed of the first, the second and the third aluminium alloy sections, the first and the second sections, the fifth and the second sections, and the inner cavity of the golf course for forming the second and the stepped or right-angle rotary golf course, and features easy splicing, adjustable width and length, no need of golf balls, is beneficial to the golf practice.

Description

Spliced golf exerciser made of aluminum alloy sections

Technical Field

The invention belongs to the technical field of sports equipment, and particularly relates to a spliced aluminum alloy section golf exerciser.

Background

The golf is a sports which integrates leisure, entertainment and body building, can cultivate the flexibility and coordination of the body and has small exercise intensity, thereby greatly reducing the possibility of sports injury and being deeply loved by the masses of people. However, the golf practice range occupies a large area and is expensive, so that the golf practice range is mostly arranged in the suburbs, and inconvenience is brought to the practicers. In order to bring convenience to a practicer, the prior art discloses some golf practicing devices, for example, the utility model with the application number of CN201220389128.8 discloses an indoor golf push rod practicing device, which comprises a base, a simulated turf track and a return track, wherein the base comprises a bottom plate, a side plate, a top plate and a panel with a ball hole, the panel is arranged above the bottom plate and forms a certain included angle with the bottom plate, and the panel, the bottom plate, the side plate and the top plate enclose a ball storage chamber; the artificial turf track is laid on a panel of the base; the ball returning track is a linear track tightly attached to the side plate, a ball inlet of the ball returning track is communicated with the ball storage chamber, and a ball outlet of the ball returning track extends to the tail end of the artificial turf track. The utility model discloses a problem that indoor golf push rod exerciser exists is that base and return ball track adopt wooden material to make, heavy and width and length are fixed can not be adjusted, length also receives the restriction of the long 3-5 meters of track, also only lay emulation turf track on the panel of base in the form and locate the bottom plate top and be the panel of certain contained angle with the bottom plate, only enclose into one at panel and bottom plate, curb plate, roof and deposit the ball room, return the ball track also very short, the emulation turf track of laying on the panel of longer base does not have the curb plate, lose the ball very easily. The utility model with the application number of CN201120208306.8 discloses a golf push rod exerciser, which comprises a push rod exerciser body, wherein the push rod exerciser body is provided with a bottom surface, one end of the bottom surface is provided with an inclined surface, the inclined surface is provided with a ball groove, the bottom surface is provided with a U-shaped stop dog, the surface of the U-shaped stop dog is designed into a curved surface, and the U-shaped stop dog can be placed at any position of the bottom surface; the utility model discloses a problem that exists is, and the bottom surface is a whole bottom surface, adopts the plastic material to make, and is equally heavy, and width and length are fixed more can not adjust, though U type dog is very short, can put arbitrary position of bottom surface, but be unfavorable for the trafficability characteristic of ball, hardly prevent again that the ball from running out to the bottom surface both sides. Application number CN201120042869.4 discloses a golf practice device, which comprises a lawn board, a push rod, a golf component, a first side board, a second side board, a bottom board and a scale rod, wherein the lawn board comprises a flat board provided with a hole, a slope board and a lawn; the bottom surface of the slope plate is provided with a bottom plate, the two sides of the bottom plate are connected with a first side plate and a second side plate, and the slope plate is connected with the bottom plate through a hinge; the lawn bonding slope plate and the flat plate adjust the lifting angle of the slope plate of the lawn plate through adjusting the scale rod at different fixed positions of the first side plate and the second side plate, so that a ball pusher can exercise ball pushing force in different slope environments. The utility model discloses a problem that exists is, also only be provided with first curb plate and second curb plate respectively at the relative side of ramp, the effect that the fender was asked is also incomplete, and the bottom plate still below the ramp, weight and cost have been increased, the utility model discloses a ramp passes through the hinge connection bottom plate, when the ramp lifts up, form a contained angle with the bottom plate, this contained angle is placed by the scale rod both ends and is changed the angle of lifting up that changes the ramp through the scale rod of changing different height in the different positions of mounting groove A, B, C, as shown in the figure, the change of its true angle is very limited, but nevertheless make the structure become very complicated.

Disclosure of Invention

The invention aims to solve the problems of overcoming the defects and shortcomings of the prior art and providing the spliced aluminum alloy section golf exerciser which takes the aluminum alloy section as the main body material, has simple structure and adjustable length and width and has complete enclosure.

The technical scheme adopted by the invention comprises a first aluminum alloy section, a second aluminum alloy section and a third aluminum alloy section, wherein the first aluminum alloy section is a lane enclosure section, the second aluminum alloy section is a lane plane section, the third aluminum alloy section is an end connection section, every 2 second aluminum alloy sections are spliced through a lane bulge splicing notch and a lane groove splicing notch to form a plane lane, the first aluminum alloy section is spliced through the lane bulge splicing notch and the lane groove splicing notch of the second aluminum alloy section on one side of the plane lane, the bulge formed by the lane enclosure splicing notch of the first aluminum alloy section and the lane groove splicing notch of the second aluminum alloy section is spliced with the connection grooves at two ends of the third aluminum alloy section on the other side of the plane lane, and the first-stage lane section, the second aluminum alloy section and the third aluminum alloy section are spliced to form a first-stage lane section with enclosures at two sides, The golf practice plane lane of second stage lane and third stage lane, it is fixed with the connection couple pin connection of connecting usefulness through the couple when first stage lane makes up with the second stage lane, it is articulated through the hinge of installing on the fender plane of enclosing of first aluminum alloy ex-trusions between second stage lane and the third stage lane, be equipped with positive hole on the plane lane of third stage lane, there is positive circular arc ball fender at the left end of positive hole with screw connection.

Splicing the right end of the fairway at the first stage with the fairway inner cavity of the second aluminum alloy section at intervals through a first lock tongue of the fourth aluminum alloy section to form a first slope fairway for golf practice, wherein the included angle between the first slope fairway and the horizontal plane is 15-35 degrees; and the left end of the fairway at the third stage is spliced with the fairway inner cavity of the second aluminum alloy section at intervals through a second bolt of the fifth aluminum alloy section to form a golf practice second slope fairway with an included angle of 15-35 degrees with the horizontal plane.

The fourth aluminum alloy section is a first ramp section and comprises a first ramp inclined plane, a first U-shaped elastic bulge is arranged at the top end of the first ramp inclined plane, first lock tongues are machined at intervals along the first U-shaped elastic bulge, a first screw hole is machined in each first lock tongue, first tool withdrawal grooves are machined in two sides of each first lock tongue, a first ramp reinforcing rib is further arranged on the back of the first ramp inclined plane, and the included angle between the first ramp inclined plane and the horizontal plane is 15-35 degrees.

The fifth aluminum alloy section is a second ramp section and comprises a second ramp inclined plane, a second U-shaped elastic bulge is arranged at the top end of the second ramp inclined plane, second lock tongues are machined at intervals along the second U-shaped elastic bulge, a second screw hole is machined on each second lock tongue, second tool withdrawal grooves are machined on two sides of each second lock tongue, second ramp reinforcing ribs are further arranged on the back of the second ramp inclined plane, and the included angle between the second ramp inclined plane and the horizontal plane is 15-35 degrees.

The third-stage fairway is characterized in that a back fairway is arranged on the plane fairway of the third-stage fairway, the left end of the back fairway is connected with a back arc ball baffle by a screw, a rubber pad is arranged on the baffle plane of the second aluminum alloy section of the second-stage fairway, the rubber pad and the hinge are arranged on the same plane, and the third-stage fairway is overturned and superposed on the second-stage fairway by the hinge to form a stepped golf practice fairway.

Will the one end processing of plane lane is 45 contained angles and forms fourth stage lane the outside of fourth stage lane is spliced 2 first aluminum alloy ex-trusions through first right angle connecting piece, splices the golf practice lane that forms right angle corner formula through second right angle connecting piece between every 2 first aluminum alloy ex-trusions in the middle of the fourth stage lane, keeps off with the screw connection right angle ball on the right angle edge of 2 fourth stage lanes.

Compared with the prior art, the invention has the beneficial effects that:

(1) the invention adopts aluminum alloy section bar to make the fairway enclosure section bar, fairway plane section bar, end connection section bar, first ramp section bar and second ramp section bar, the splicing is convenient, the width direction of fairway can be adjusted arbitrarily, and both sides are provided with enclosure bars, when in use, lawn boards are correspondingly laid on the plane fairway, the first slope fairway and the second slope fairway, the ball hole on the lawn board corresponds to the front ball hole, the service point on the lawn board corresponds to the service point mark, the lawn board is processed into a circular arc through hole corresponding to the front circular arc ball baffle, the front circular arc ball baffle passes through the circular arc through hole on the lawn board to play a role of positioning the lawn board, when in practice, if the golf ball enters the front ball hole, the golf ball stops running, if the golf ball does not enter the front ball hole, the golf ball touches the front circular arc ball baffle and then rebounds to any position of the plane fairway, because the enclosure bars outside the first aluminum alloy section bar, the whole plane fairway is a ball returning orbit, thereby completely avoiding the golf from running out to the two sides of the plane fairway and being beneficial to the practice of golf.

(2) The invention is characterized in that a back ball hole is arranged on a plane ball path of a third stage ball path, the left end of the back ball hole is connected with a back arc ball baffle by a screw, a rubber pad is arranged on a baffle plane of a second aluminum alloy section of the second stage ball path, the rubber pad and the hinge are arranged on the same plane, and the third stage ball path is overturned and superposed on the second stage ball path by the hinge to form a stepped golf practice ball path.

(3) One end of the plane lane is processed to form a 45-degree included angle to form a fourth-stage lane, 2 first aluminum alloy sections are spliced at the outer sides of the 2 fourth-stage lanes through first right-angle connecting pieces, and every 2 first aluminum alloy sections in the middle of the fourth-stage lane are spliced through second right-angle connecting pieces, so that the right-angle corner type golf practice lane can be formed.

Drawings

Figure 1 is a front view of the present invention,

figure 2 is a top view of figure 1,

figure 3 is a cross-sectional view a-a of figure 2,

figure 4 is an enlarged view of section C of figure 3,

figure 5 is a cross-sectional view F-F of figure 2,

figure 6 is an enlarged view of portion B of figure 1,

figure 7 is an enlarged view of section D of figure 1,

figure 8 is a cross-sectional view of a first aluminum alloy profile of the present invention,

figure 9 is a cross-sectional view of a second aluminum alloy profile of the invention,

figure 10 is a cross-sectional view of a third aluminum alloy profile of the invention,

figure 11 is a front view of a fourth aluminium alloy section according to the invention,

figure 12 is a cross-sectional view E-E of figure 11,

figure 13 is a front view of a fifth aluminium alloy profile according to the invention,

figure 14 is a sectional view taken along line G-G of figure 13,

figure 15 is a front view of the collapsible lane of the present invention,

figure 16 is a top plan view of figure 15,

fig. 17 is a top view of the square lane of the present invention.

In the figure:

1. a first aluminum alloy section bar, a second aluminum alloy section bar,

1-1, the outer vertical surface of the enclosure, 1-2, the plane of the enclosure,

1-3 of inner vertical surface of the enclosure, 1-4 of bulge of the enclosure,

1-5 enclosing and blocking splicing notches, 1-6 enclosing and blocking inner cavities,

2. a second aluminum alloy section bar is arranged on the first aluminum alloy section bar,

2-1. the raised splicing notch of the fairway, 2-2. the plane of the fairway,

2-3 planar lane reinforcing ribs, 2-4 lane groove splicing notches,

2-5, the inner cavity of the ball path,

3. a third aluminum alloy section bar,

3-1, connecting the groove,

4. a fourth aluminum alloy section bar,

4-1, a first ramp inclined surface, 4-2, a first tool withdrawal groove,

4-3, a first U-shaped elastic bulge, 4-4, a first screw hole,

4-5, a first lock tongue, 4-6, a first ramp reinforcing rib,

5. a fifth aluminum alloy section bar,

5-1, a second slope, 5-2, a second tool withdrawal groove,

5-3. a second U-shaped elastic bulge, 5-4. a second screw hole,

5-5 parts of a second lock tongue, 5-6 parts of a second ramp reinforcing rib,

6. a hook is arranged on the upper portion of the hanging rack,

7-1. returning to hang the hook pin, 7-2. connecting the hook pin,

8. a hinge, a connecting rod and a connecting rod,

9-1, front arc ball block, 9-2, back arc ball block, 9-3, right angle ball block,

10. a rubber pad is arranged on the outer side of the frame,

11-1, a first right-angle connecting piece, 11-2, a second right-angle connecting piece,

12. the mark of the serve point is marked,

13-1, a front hole and 13-2, a back hole.

Detailed Description

Detailed description of the preferred embodiment 1

As shown in fig. 1 to 3, the present invention includes a first aluminum alloy section 1, a second aluminum alloy section 2, a third aluminum alloy section 3, a fourth aluminum alloy section 4, and a fifth aluminum alloy section 5;

as shown in FIG. 8, a first aluminum alloy section bar 1 is a fairway enclosure section bar and comprises an enclosure outer vertical surface 1-1, an enclosure plane 1-2, an enclosure inner vertical surface 1-3 and an enclosure protrusion 1-4, an enclosure splicing notch 1-5 is arranged on the side surface of the enclosure protrusion 1-4, and an enclosure inner cavity 1-6 is formed among the enclosure outer vertical surface 1-1, the enclosure plane 1-2, the enclosure inner vertical surface 1-3 and the enclosure protrusion 1-4;

as shown in fig. 9, the second aluminum alloy profile 2 of the invention is a lane plane profile, which comprises a lane plane 2-2, wherein a lane bulge splicing notch 2-1 is arranged on one side of the lane plane 2-2, a lane groove splicing notch 2-4 is arranged on the other side of the lane plane 2-2, a lane inner cavity 2-5 is formed among the lane bulge splicing notch 2-1, the lane plane 2-2 and the lane groove splicing notch 2-4, and a plane lane reinforcing rib 2-3 is arranged in the lane inner cavity 2-5;

as shown in fig. 10, the third aluminum alloy section 3 of the present invention is an end connection section, and connection grooves 3-1 are symmetrically provided at both ends of the end connection section;

as shown in fig. 11 and 12, the fourth aluminum alloy profile 4 is a first ramp profile, and includes a first ramp inclined surface 4-1, a first U-shaped elastic protrusion 4-3 is disposed on one side of the first ramp inclined surface 4-1, first locking tongues 4-5 are processed along the first U-shaped elastic protrusion 4-3 at intervals, a first screw hole 4-4 is processed on each first locking tongue 4-5, first process grooves 4-2 are processed on both sides of each first locking tongue 4-5, a first ramp reinforcing rib 4-6 is further disposed on the back surface of the first ramp inclined surface 4-1, and an included angle α between the first ramp inclined surface 4-1 and a horizontal plane is 15-35 °;

as shown in fig. 13 and 14, the fifth aluminum alloy profile 5 is a second ramp profile, has a structure consistent with that of the fourth aluminum alloy profile 4, and includes a second ramp inclined surface 5-1, wherein one side of the second ramp inclined surface 5-1 is provided with a second U-shaped elastic protrusion 5-3, second locking tongues 5-5 are processed along the second U-shaped elastic protrusion 5-3 at intervals, each second locking tongue 5-5 is processed with a second screw hole 5-4, two sides of each second locking tongue 5-5 are processed with second process grooves 5-2, the back of the second ramp inclined surface 5-1 is further provided with a second ramp reinforcing rib 5-6, the second inclined surface 5-1 is longer than the first ramp inclined surface 4-1, and an included angle β between the second ramp inclined surface and a horizontal plane is also 15 ° to 35 °;

as shown in fig. 1-4, every 2 second aluminum alloy sections 2 are spliced with the lane groove splicing notches 2-4 through lane convex splicing notches 2-1 to form a plane lane, the number of the second aluminum alloy sections 2 can be selected according to the width of the plane lane, on one side of the plane lane, the first aluminum alloy section 1 is spliced with the lane convex splicing notches 2-1 of the second aluminum alloy sections 2 through the fence splicing notches 1-5, on the other side of the plane lane, the bumps formed by the fence splicing notches 1-5 of the first aluminum alloy section 1 and the lane groove splicing notches 2-4 of the second aluminum alloy section 2 are spliced with the connecting grooves 3-1 at two ends of the third aluminum alloy section 3, and the first-stage lane i, the second-stage lane i, the lane groove 2 and the third aluminum alloy section 3 are spliced to form a first-stage lane i, the lane groove 2-4 with fences at two sides, A golf practice plane lane of a second-stage lane II and a third-stage lane III;

as shown in fig. 1, 2 and 5-7, the right end of the lane i at the first stage is spliced with a lane inner cavity 2-5 of a second aluminum alloy section 2 at intervals through a bolt 4-5 of a fourth aluminum alloy section 4, and a screw is mounted in the screw hole 4-4 for fixation, so as to form a first slope lane for golf practice, wherein an included angle alpha between the first slope lane and the horizontal plane is 15-35 degrees; splicing the left end of the fairway III of the third stage with a fairway inner cavity 2-5 of a second aluminum alloy section bar 2 at intervals through a bolt 5-5 of a fifth aluminum alloy section bar 5, and installing a screw in a screw hole 5-4 to fix the fairway to form a golf practice second slope fairway with an included angle beta of 15-35 degrees with the horizontal plane; the hook 6 and the back-hanging hook pin 7-1 for back-hanging are arranged on the outer vertical surface 1-1 of the enclosure of the first aluminum alloy section bar 1 of the first-stage lane I, the connecting hook pin 7-2 for connecting is arranged on the outer vertical surface 1-1 of the enclosure of the second-stage lane II, the first-stage lane I and the second-stage lane II are fixedly connected with the connecting hook pin 7-2 through the hook 6 when combined, and the hook 6 and the back-hanging hook pin 7-1 are connected when not used, so that the first-stage lane I and the second-stage lane II are conveniently combined, connected and disassembled; the second-stage lane II and the third-stage lane III are hinged through a hinge 8 arranged on a surrounding block plane 1-2, a serving point mark 12 is arranged on a plane lane of the first-stage lane I, a front-face ball hole 13-1 is arranged on a plane lane of the third-stage lane III, a front-face arc ball block 9-1 is connected to the left end of the front-face ball hole 13-1 through a screw, when the golf tee is used, lawn boards are correspondingly laid on the plane lane, the first slope lane and the second slope lane, the ball hole on the lawn board corresponds to the front-face ball hole 13-1, the serving point on the lawn board corresponds to the serving point mark 12, the lawn board is processed into an arc through hole corresponding to the front-face arc ball block 9-1, the front-face arc ball block 9-1 penetrates through the arc through hole on the lawn board to play a positioning role on the lawn board, when a golf ball enters the front-face ball hole 13-1 during practice, the golf ball stops running, if the golf ball does not enter the front hole 13-1, the golf ball rebounds to any position of the plane fairway after contacting the front arc ball baffle 9-1, and the whole plane fairway is a ball return track because of the baffle outer vertical surface 1-1 of the first aluminum alloy section bar 1, so that the golf ball is completely prevented from running out to the two sides of the plane fairway.

Detailed description of the preferred embodiment 2

As shown in fig. 1, 2, 15 and 16, the same as the embodiment 1, except that a back hole 13-2 is provided on the plane lane of the third stage lane iii, a back arc ball stop 9-2 is connected to the left end of the back hole 13-2 by a screw, a rubber pad 10 is mounted on the enclosure plane 1-2 of the second aluminum alloy section 2 of the second stage lane ii, the rubber pad 10 is on the same plane with the hinge 8, and the third stage lane iii is turned over and overlapped on the second stage lane ii by the hinge 8, so as to form the stepped golf practice lane.

Detailed description of preferred embodiments 3

As shown in fig. 1, 2 and 17, the same as the embodiment 1, except that one end of the planar lane is processed to form a fourth-stage lane iv with an included angle of 45 °,2 first aluminum alloy profiles 1 are spliced outside the 2 fourth-stage lanes iv through first right-angle connectors 11-1, every 2 first aluminum alloy profiles 2 in the middle of the fourth-stage lane iv are spliced through second right-angle connectors 11-2, so that a right-angle corner type golf practice lane can be formed, and right-angle baffles 9-3 are connected to right-angle edges of the 2 fourth-stage lanes iv by screws.

Claims (6)

1. Spliced aluminum alloy profile golf trainer comprises a first aluminum alloy profile (1), a second aluminum alloy profile (2) and a third aluminum alloy profile (3), and is characterized in that the first aluminum alloy profile (1) comprises a surrounding baffle outer vertical surface (1-1), a surrounding baffle plane (1-2), a surrounding baffle inner vertical surface (1-3) and a surrounding baffle protrusion (1-4), a surrounding baffle splicing notch (1-5) is arranged on the side surface of the surrounding baffle protrusion (1-4), a surrounding baffle inner cavity (1-6) is formed between the surrounding baffle outer vertical surface (1-1), the surrounding baffle plane (1-2), the surrounding baffle inner vertical surface (1-3) and the surrounding baffle protrusion (1-4), the second aluminum alloy profile (2) comprises a fairway plane (2-2), and a fairway protrusion splicing notch (2-1) is arranged on one side of the fairway plane (2-2), be equipped with lane recess concatenation notch (2-4) at lane plane (2-2) opposite side form lane inner chamber (2-5) between lane protruding concatenation notch (2-1), lane plane (2-2) and lane recess concatenation notch (2-4), be equipped with plane lane strengthening rib (2-3) in lane inner chamber (2-5), first aluminum alloy ex-trusions (1) encloses fender section bar for the lane, second aluminum alloy ex-trusions (2) are lane plane section bar, third aluminum alloy ex-trusions (3) are end connection section bar, splice through its lane protruding concatenation notch (2-1) and lane recess concatenation notch (2-4) between per 2 second aluminum alloy ex-trusions (2) and form the plane lane, in one side of plane lane, first aluminum alloy ex-trusions (1) encloses fender concatenation notch (1-5) and second aluminum alloy ex-trusions (1-5) through it: (2-2) 2) The golf course convex splicing notch (2-1) is spliced, a bulge formed by a baffle splicing notch (1-5) of a first aluminum alloy section bar (1) and a golf course groove splicing notch (2-4) of a second aluminum alloy section bar (2) is spliced with a connecting groove (3-1) at two ends of a third aluminum alloy section bar (3) at the other side of a plane golf course, the first aluminum alloy section bar (1), the second aluminum alloy section bar (2) and the third aluminum alloy section bar (3) are spliced to form a golf practice plane golf course with a first stage golf course (I), a second stage golf course (II) and a third stage golf course (III) which are provided with baffles at two sides, the first stage golf course (I) and the second stage golf course (II) are connected and fixed with a connecting hook pin (7-2) for connection through a hook (6) when combined, the second-stage ball way (II) is hinged with the third-stage ball way (III) through a hinge (8) arranged on a surrounding baffle plane (1-2) of the first aluminum alloy section bar (1), a front-face ball hole (13-1) is formed in the plane ball way of the third-stage ball way (III), and the left end of the front-face ball hole (13-1) is connected with a front-face arc ball baffle (9-1) through a screw.

2. The spliced aluminum alloy profile golf practice device as claimed in claim 1, wherein the right end of the first-stage fairway (I) is spliced with the fairway inner cavity (2-5) of the second aluminum alloy profile (2) at intervals through a first bolt (4-5) of a fourth aluminum alloy profile (4) to form a first slope fairway for golf practice, wherein the included angle (alpha) between the first slope fairway and the horizontal plane is 15-35 degrees; and the left end of the third-stage fairway (III) is spliced with the fairway inner cavity (2-5) of the second aluminum alloy section (2) at intervals through a second bolt (5-5) of the fifth aluminum alloy section (5) to form a golf practice second slope fairway with an included angle (beta) of 15-35 degrees with the horizontal plane.

3. The spliced aluminum alloy profile golf practice device according to claim 2, the fourth aluminum alloy section bar (4) is a first ramp section bar and comprises a first ramp inclined surface (4-1), a first U-shaped elastic bulge (4-3) is arranged at the top end of the first ramp inclined plane (4-1), first lock tongues (4-5) are processed at intervals along the first U-shaped elastic bulge (4-3), a first screw hole (4-4) is processed on each first bolt (4-5), a first tool withdrawal groove (4-2) is processed on both sides of each first bolt (4-5), a first ramp reinforcing rib (4-6) is arranged on the back of the first ramp inclined surface (4-1), the included angle (alpha) between the inclined surface (4-1) of the first ramp and the horizontal plane is 15-35 degrees.

4. The spliced aluminum alloy profile golf practice device according to claim 2, the fifth aluminum alloy section bar (5) is a second ramp section bar and comprises a second ramp inclined surface (5-1), a second U-shaped elastic bulge (5-3) is arranged at the top end of the second ramp inclined plane (5-1), second lock tongues (4-5) are processed at intervals along the second U-shaped elastic bulge (5-3), a second screw hole (5-4) is processed on each second bolt (4-5), second tool withdrawal grooves (5-2) are processed on two sides of each second bolt (5-5), a second ramp reinforcing rib (5-6) is arranged on the back of the second ramp inclined surface (5-1), and the included angle (beta) between the second ramp inclined surface (5-1) and the horizontal plane is 15-35 degrees.

5. The spliced aluminum alloy profile golf practice device as claimed in claim 1 or 2, wherein a back hole (13-2) is arranged on the plane lane of the third-stage lane (III), a back arc ball baffle (9-2) is connected to the left end of the back hole (13-2) through a screw, a rubber pad (10) is arranged on the baffle plane (1-2) of the second aluminum alloy profile (2) of the second-stage lane (II), the rubber pad (10) and the hinge (8) are arranged on the same plane, and the third-stage lane (III) is overturned and superposed on the second-stage lane (II) through the hinge (8) to form a stepped golf practice lane.

6. The spliced aluminum alloy profile golf practice device according to claim 1 or 2, wherein one end of the plane lane is processed to form a fourth-stage lane (IV) with an included angle of 45 degrees, 2 first aluminum alloy profiles (1) are spliced at the outer side of the fourth-stage lane (IV) through first right-angle connectors (11-1), every 2 first aluminum alloy profiles (2) in the middle of the fourth-stage lane (IV) are spliced through second right-angle connectors (11-2) to form a right-angle corner type golf practice lane, and right-angle ball stoppers (9-3) are connected to right-angle edges of the 2 fourth-stage lanes (IV) through screws.

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