CN112807607A

CN112807607A - Body-building ladder

Info

Publication number: CN112807607A
Application number: CN202110197019.XA
Authority: CN
Inventors: 刘春来
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-22
Filing date: 2021-02-22
Publication date: 2021-05-18

Abstract

The invention provides a body-building crawling ladder, which relates to the technical field of body-building equipment and comprises a frame, two groups of transmission mechanisms, transmission shafts and climbing rods, wherein the two groups of transmission mechanisms are symmetrically arranged on two sides of the frame, the two groups of transmission mechanisms are in transmission connection through the transmission shafts, the two groups of transmission mechanisms are erected in the frame through the transmission shafts, each transmission mechanism comprises a transmission chain and three transmission gears, the three transmission gears are distributed in the same vertical plane and are arranged in a triangular mode, the rotation axes of the three transmission gears are parallel to each other, the three transmission gears are in closed-loop transmission connection through the transmission chains, and two ends of each climbing rod are respectively erected between the transmission chains of. The invention can realize the function of continuous climbing while miniaturizing the body-building climbing rod product through the transmission mechanism.

Description

Body-building ladder

Technical Field

The invention relates to the technical field of fitness equipment, in particular to a fitness crawling ladder.

Background

Fitness is a sport, and moderate fitness has many benefits on physical health. The heart and lung system of the human body can be exercised through proper exercise, and blood vessels around the heart can be effectively exercised no matter high-strength anaerobic exercise or relaxing aerobic exercise, so that the lung capacity of the human body can be increased; the body building can change the stature of people; meanwhile, the body building can also improve the mental state of a person. When people do exercise their bodies with sports every day, people can get not only willingness but also pursuit for good and good, and people's love for life can be ignited. With the continuous improvement of living standard of people and the increasing emphasis on the requirements of health, various body-building exercises are developed vigorously, and various body-building apparatuses are produced. The existing sports apparatus has a variety of types, and different types of sports apparatus can exercise different parts of people. To improve the efficiency of exercise, an exercise machine that allows the entire body to be exercised simultaneously is needed, and therefore climbing is preferred.

Most of the existing climbing equipment adopts a climbing wall, but the climbing wall is generally very high because the climbing requirement is required to be met, so that the climbing wall cannot be installed in a general site, and a building with higher height needs to be built for installing the climbing wall.

Disclosure of Invention

The invention aims to provide a body-building crawling ladder, wherein a climbing rod of the body-building crawling ladder circularly rotates along a transmission chain, and continuous climbing can be realized without a high height.

The embodiment of the invention is realized by the following steps:

the invention provides a body-building ladder stand which comprises a frame, two groups of transmission mechanisms, transmission shafts and a climbing rod, wherein the two groups of transmission mechanisms are symmetrically arranged on two sides of the frame, the two groups of transmission mechanisms are in transmission connection through the transmission shafts, the two groups of transmission mechanisms are erected in the frame through transmission shafts, each transmission mechanism comprises transmission chains and three transmission gears, the three transmission gears are distributed in the same vertical plane and are arranged in a triangular mode, the rotation axes of the three transmission gears are parallel to each other, the three transmission gears are in closed-loop transmission connection through the transmission chains, and two ends of the climbing rod are respectively erected between the transmission chains of the two groups of transmission mechanisms.

In some embodiments of the present invention, the transmission chain is a roller chain, the transmission chain has a first connecting portion matching with the climbing rod, the first connecting portion is provided with a notch matching with the climbing rod, a side wall of the climbing rod is disposed in the notch, and the side wall of the climbing rod is welded and fixed with the first connecting portion.

In some embodiments of the present invention, the transmission shaft further comprises a bearing and a bearing seat, and two ends of the transmission shaft are rotatably connected with the frame through the bearing and the bearing seat.

In some embodiments of the invention, the bearing block is slidably connected to the frame in a direction parallel to the ground and perpendicular to the slide bar.

In some embodiments of the present invention, the present invention further comprises an electric motor for driving the drive shaft to rotate.

In some embodiments of the invention, a governor device for regulating the rotational speed of the gear is further included.

In some embodiments of the invention, the speed regulating device comprises two brake pads, a brake shaft and a fastening piece, the two brake pads are sleeved on the brake shaft, the transmission gear is clamped between the two brake pads, the fastening piece is abutted against the brake pads, and the fastening piece is used for regulating the pressure between the brake pads and the side wall of the transmission gear.

In some embodiments of the invention, the climbing pole has a climbing platform for stepping.

In some embodiments of the invention, the climbing platform has slip-resistant corrugations.

In some embodiments of the invention, the frame further comprises a second connection for securing to the ground.

Compared with the prior art, the embodiment of the invention has at least the following advantages or beneficial effects:

the invention provides a body-building ladder stand which comprises a frame, two groups of transmission mechanisms, transmission shafts and a climbing rod, wherein the two groups of transmission mechanisms are symmetrically arranged at two sides of the frame, the two groups of transmission mechanisms are in transmission connection through the transmission shafts, the two groups of transmission mechanisms are erected in the frame through transmission shafts, each transmission mechanism comprises a transmission chain and three transmission gears, the three transmission gears are distributed in the same vertical plane and are arranged in a triangular mode, the rotation axes of the three transmission gears are parallel to each other, the three transmission gears are in closed-loop transmission connection through the transmission chains, and two ends of the climbing rod are respectively erected between the transmission chains of the two groups of transmission mechanisms. The frame is used for supporting the transmission mechanism, the transmission shaft and the climbing rod; in the process of climbing upwards, a user can apply a downward force to the climbing rod, so that the chain connected with the climbing rod moves downwards around the transmission gear, the climbing rod can circulate the user from the upper part of the user along the closed-loop chain, the height of the user is ensured not to be increased in the climbing process, and the effect of continuous climbing is achieved; the body-building ladder stand realizes the use requirement of continuous climbing through smaller volume, can be installed in parks, gymnasiums or homes of users, and increases the application range of the ladder stand; meanwhile, the body-building crawling ladder is simple in structure, low in production cost and easy for large-scale production; the invention can realize the function of continuous climbing while miniaturizing the body-building climbing rod product through the transmission mechanism.

When the climbing device is actually used, a user can use hands and feet together to climb the climbing rod; meanwhile, the climbing rod drives the transmission chain to move downwards along the transmission gear, so that the height of a sporter is kept unchanged.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of the overall structure of a body-building ladder according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of another embodiment of the body-building ladder stand according to the embodiment of the invention;

FIG. 3 is a schematic structural diagram of a transmission mechanism according to an embodiment of the present invention;

FIG. 4 is an exploded view of a connecting structure of the climbing rod and the transmission chain according to the embodiment of the present invention;

FIG. 5 is an exploded view of a sliding connection structure of a bearing seat and a frame according to an embodiment of the present invention;

FIG. 6 is a sectional view of a sliding connection structure of a bearing seat and a frame according to an embodiment of the present invention;

FIG. 7 is an exploded view of an alternative sliding connection between a bearing housing and a frame according to an embodiment of the present invention;

FIG. 8 is a schematic view of a transmission structure of a motor and a transmission shaft according to an embodiment of the present invention;

FIG. 9 is a schematic structural diagram of a speed adjusting device according to an embodiment of the present invention;

figure 10 is a top view of the overall structure of the body-building ladder stand according to the embodiment of the invention.

Icon: 1-a transmission gear; 2-a transmission chain; 3, driving a shaft; 4-a frame; 5-climbing a pole; 6-outer chain plate; 7-inner chain plate; 8-a first connection; 9-notch; 10-a bearing seat; 11-T shaped sliding blocks; 12-T-shaped sliding grooves; 13-a locating pin; 14-pin holes; 15-an electric motor; 16-mounting a platform; 17-brake pads; 18-a brake shaft; 19-a fastener; 20-climbing a platform; 21-a second connection; 22-a foot; 23-limiting chamber.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are usually placed in when used, the orientations or positional relationships are only used for convenience of describing the present invention and simplifying the description, but the terms do not indicate or imply that the devices or elements indicated must have specific orientations, be constructed in specific orientations, and operate, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, "a plurality" represents at least 2.

In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Example 1

Please refer to fig. 1, fig. 3, fig. 4, fig. 5, fig. 6 and fig. 7. FIG. 1 is a schematic view of the overall structure of a body-building ladder according to an embodiment of the present invention; FIG. 3 is a schematic structural diagram of a transmission mechanism according to an embodiment of the present invention; fig. 4 is an exploded view of a connecting structure of the climbing rod 5 and the transmission chain 2 according to the embodiment of the present invention; fig. 5 is an exploded view of the sliding connection structure of the bearing seat 10 and the frame 4 according to the embodiment of the present invention; fig. 6 is a sectional view of a sliding connection structure of the bearing seat 10 and the frame 4 according to the embodiment of the present invention; fig. 7 is an exploded view of another sliding connection structure of the bearing seat 10 and the frame 4 according to the embodiment of the present invention.

The embodiment provides a body-building cat ladder, including frame 4, drive mechanism, transmission shaft 3 and pole 5 of climbing, drive mechanism is two sets of, two sets of drive mechanism symmetries set up in frame 4 both sides, two sets of drive mechanism pass through 3 transmissions of transmission shaft and connect, two sets of drive mechanism erect in frame 4 through transmission shaft 3, drive mechanism includes driving chain 2 and three drive gear 1, three drive gear 1 distributes in same vertical plane and is triangle-shaped and arranges, three drive gear 1's rotation axis is parallel to each other, three drive gear 1 passes through 2 closed loop transmissions of driving chain and connects, the both ends of pole 5 of climbing are erect respectively between two sets of drive mechanism's driving chain 2.

In the embodiment, based on fig. 1 and 3, the transmission mechanism has three identical transmission gears 1, the three transmission gears 1 are arranged in a triangle in the same vertical plane, and the axes are parallel to each other, the upper part of the transmission mechanism has one transmission gear 1, the lower part of the transmission mechanism has two transmission gears 1, and the transmission chain 2 is arranged in a closed loop around the three transmission gears 1; the number of the transmission mechanisms is two, and the two groups of transmission mechanisms are symmetrically arranged at two sides of the frame 4; the number of the transmission shafts 3 is three, the three transmission shafts 3 are matched with the gears of the transmission mechanisms, the transmission gears 1 of the two groups of transmission mechanisms are respectively sleeved at two ends of the transmission shafts 3 and are in transmission connection with the transmission shafts 3 through common key connection, and the transmission mechanisms are erected on the frame 4 through the transmission shafts 3; the both ends of climbing rod 5 erect respectively between two sets of drive mechanism's drive chain 2, and climbing rod 5 evenly equidistantly arranges along drive chain 2's direction, and climbing rod 5 sets up the direction and is parallel with ground. In the process of climbing upwards, a user can apply a downward force to the climbing rod 5, so that the chain connected with the climbing rod moves downwards around the transmission gear 1, the climbing rod 5 can circularly use the user from the upper part of the user along the closed-loop chain, the height of the user is ensured not to be increased in the climbing process, and the effect of continuous climbing is achieved; the body-building ladder stand realizes the use requirement of continuous climbing through smaller volume, can be installed in parks, gymnasiums or homes of users, and increases the application range of the ladder stand; meanwhile, the body-building crawling ladder is simple in structure, low in production cost and easy for large-scale production; the body-building climbing rod 5 is miniaturized and can realize the function of continuous climbing through the transmission mechanism.

When in actual use, the user uses hands and feet together to climb the climbing rod 5; meanwhile, the climbing rod 5 drives the transmission chain 2 to move downwards along the transmission gear 1, so that the height of the sporter is kept unchanged.

Further, the transmission chain 2 is a roller chain, the transmission chain 2 is provided with a first connecting portion 8 matched with the climbing rod 5, the first connecting portion 8 is provided with a notch 9 matched with the climbing rod 5, the side wall of the climbing rod 5 is arranged in the notch 9, and the side wall of the climbing rod 5 is welded and fixed with the first connecting portion 8.

In this embodiment, based on fig. 4, the cross section of the end of the climbing rod 5 is circular, the transmission chains 2 include inner chain plates 7 and outer chain plates 6, one side of the outer chain plates 6 facing the climbing rod 5 has a first connecting portion 8, the first connecting portion 8 has an arc-shaped notch 9, two sides of the climbing rod 5 are respectively placed in the notches 9 of the two transmission chains 2, the climbing rod 5 is arranged parallel to the ground, and the side wall of the climbing rod 5 is welded and fixed with the first connecting portion 8; the climbing rod 5 can be fixed by directly arranging the connecting part on the transmission chain 2 without introducing other parts, so that the number of parts to be managed is reduced during regeneration; the cross-sectional shape of 5 tip of pole-climbing and the 9 shape phase-matchs of breach, and the atress of welding back face of weld is even, and joint strength is high, has reduced because of the pole-climbing 5 condition emergence that drops the personnel that cause are injured.

In other embodiments except the above embodiments, the cross-sectional shape of the end of the climbing rod 5 is rectangular, one side of the outer chain plate 6 facing the climbing rod 5 is provided with a first connecting part 8, the first connecting part 8 is provided with a rectangular notch 9 matched with the shape of the climbing rod 5, and two sides of the climbing rod 5 are respectively placed in the opposite notches 9 in the two transmission chains 2.

In other embodiments except the above embodiments, the cross section of the end of the climbing rod 5 is circular, the side of the inner chain plate 7 facing the climbing rod 5 is provided with a first connecting part 8, the first connecting part 8 is provided with a circular arc-shaped notch 9, and two sides of the climbing rod 5 are respectively placed in the opposite notches 9 of the two transmission chains 2.

Further, based on fig. 1, the transmission shaft further includes a bearing and bearing seat 10, and two ends of the transmission shaft 3 are rotatably connected with the frame 4 through the bearing and bearing seat 10.

In this embodiment, the two ends of the transmission shaft 3 are both sleeved with ball bearings, the frame 4 has a bearing seat 10 matched with the ball bearings, and the two ends of the transmission shaft 3 are rotatably connected with the frame 4 through the bearings arranged in the bearing seats 10.

Further, the bearing block 10 is slidably connected to the frame 4 in a direction parallel to the ground and perpendicular to the slide bars.

In this embodiment, based on fig. 5 and 6, T-shaped sliding blocks 11 are respectively disposed at the bottoms of bearing seats 10 at two ends of three transmission shafts 3, a T-shaped sliding groove 12 is formed in the frame 4, six pin holes 14 are formed at the bottom of the sliding groove, and the T-shaped sliding blocks 11 are disposed in the T-shaped sliding grooves 12T, so that the bearing seats 10 can slide along the frame 4 to adjust the relative positions of the three transmission shafts 3, thereby adjusting the relative positions of the three transmission gears 1 and further adjusting the inclination angle of the transmission chain 2; after the inclination angle of the transmission chain 2 is adjusted, two positioning pins 13 are inserted into two corresponding pin holes 14 at two sides of the bearing seat 10 to prevent the bearing seat 10 from sliding in the T-shaped sliding groove 12, so that the inclination angle of the transmission chain 2 is fixed; through the inclination of adjustment driving chain 2, can adjust the climbing degree of difficulty of body-building cat ladder to be applicable to different users. When the inclination angle is larger, the climbing difficulty of the body-building ladder stand is higher, and the body-building ladder stand is suitable for people who often build bodies; when inclination is less, the climbing degree of difficulty of body-building cat ladder is lower, is fit for beginner or the personnel that the health is weaker and uses.

In other embodiments except the above embodiments, based on fig. 7, the frame 4 is provided with a limiting cavity 23, and the bearing seat 10 is disposed in the limiting cavity 23 and slidably connected to the frame 4; the side wall of the frame 4 is provided with three positioning pin 13 nail holes, and the bearing seat 10 is provided with positioning pin 13 holes opposite to the positioning pin 13 holes on the frame 4; the bearing seat 10 slides in the limiting cavity 23 to adjust the relative positions of the three transmission shafts 3, so that the relative positions of the three transmission gears 1 are adjusted, and the inclination angle of the transmission chain 2 is adjusted; after the inclination angle of the transmission chain 2 is adjusted, the positioning pin 13 is inserted into the corresponding positioning pin 13 hole, and the position of the sliding block is fixed, so that the inclination angle of the transmission chain 2 is fixed.

Example 2

Please refer to fig. 1, 8 and 9. FIG. 1 is a schematic view of the overall structure of a body-building ladder according to an embodiment of the present invention; fig. 8 is a schematic view of the transmission structure between the motor 15 and the transmission shaft 3 according to the embodiment of the present invention; fig. 9 is a schematic structural diagram of a speed adjusting device according to an embodiment of the present invention.

The present embodiment proposes, based on the technical solution of embodiment 1: and the motor 15 is also included, and the motor 15 is used for driving the transmission shaft 3 to rotate.

In the present embodiment, based on fig. 1 and 8, the motor 15 is a double-sail model Y2 motor 15, the frame 4 has a mounting platform 16 for mounting the motor 15, and the motor 15 is fixed on the mounting platform 16 by bolts; the middle part of the transmission shaft 3 is provided with a gear, and an output shaft of the motor 15 is in transmission connection with the transmission shaft 3 through the gear; the motor 15 drives the transmission gear 1 to rotate by driving the transmission shaft 3 to rotate, so as to drive the transmission chain 2 and the climbing rod 5 on the transmission chain 2 to move along the transmission gear 1; drag for using the manpower and draw pole-climbing 5, can guarantee the stability of climbing velocity of motion through 5 motions of motor 15 control pole-climbing, the user can be absorbed in more in climbing itself, promotes body-building effect.

In the above embodiment, based on fig. 1 and 8, the frame 4 has the mounting platform 16 for mounting the motor 15 therein, and the motor 15 is fixed on the mounting platform 16 by bolts; the middle part of the transmission shaft 3 is provided with a gear, and the output shaft of the motor 15 is in transmission connection with the transmission shaft 3 through the gear.

In other embodiments than the above, based on fig. 2, the output shaft of the electric motor 15 is connected with the end of the top drive shaft 3 by a belt drive; the motor 15 drives the transmission shaft 3 to rotate through the belt, so as to drive the transmission gear 1 to rotate, and further drive the transmission chain 2 and the climbing rod 5 on the transmission chain 2 to move along the transmission gear 1.

The end of the output shaft of the motor 15 is provided with a gear, and the motor 15 is in transmission connection with the end of the top transmission shaft 3 through the gear.

Further, the gear speed regulating device is used for regulating the rotation speed of the gear.

In the present embodiment, the governor device is used to adjust the speed of movement of the drive chain 2. The climbing speed of people is adjusted by adjusting the movement speed; for the groups with larger exercise intensity requirements and skilled climbing exercises, the speed of the transmission chain 2 is properly increased to meet the exercise intensity requirements; for the novice or the crowd with poor constitution, the speed of the transmission chain 2 is properly reduced to ensure the safety of the movement.

Further, the speed regulating device comprises two brake pads 17, a brake shaft 18 and a fastening piece 19, the number of the brake pads 17 is two, the brake pads 17 are sleeved on the brake shaft 18, the transmission gear 1 is clamped between the two brake pads 17, the fastening piece 19 abuts against the brake pads 17, and the fastening piece 19 is used for regulating the pressure between the brake pads 17 and the side wall of the transmission gear 1.

In the present embodiment, based on fig. 9, the number of the brake pads 17 is two, and the two brake pads 17 are arranged in parallel; the two brake pads 17 are respectively provided with a shaft hole for installing the brake shaft 18, and the brake shaft 18 is installed in the shaft holes so as to connect the two brake pads 17; two ends of the brake shaft 18 are provided with external threads, the fastening pieces 19 are provided with internal threads, the number of the fastening pieces 19 is two, the two fastening pieces 19 are screwed from the two ends of the brake shaft 18 and are respectively abutted against the outer side walls of the two brake pads 17, the two ends of the brake shaft 18 are fixed on the frame 4 through bolts, and the transmission gear 1 is clamped between the two brake pads 17; the rotating tightness of the fastening piece 19 is adjusted, so that the pressure between the brake pad 17 and the transmission gear 1 is adjusted, the friction force between the brake pad 17 and the transmission gear 1 is further controlled, and the effect of controlling the rotating speed of the transmission gear 1 is achieved.

Example 3

Please refer to fig. 1. Fig. 1 is a schematic view of the overall structure of the body-building ladder stand according to the embodiment of the invention.

The present embodiment proposes, based on the technical solution of embodiment 1: the climbing rod 5 has a climbing platform 20 for stepping.

In the present embodiment, based on fig. 1, the middle of the climbing rod 5 has a rectangular climbing platform 20, and the upper surface of the climbing platform 20 is arranged parallel to the ground; through setting up climbing platform 20, can increase the area of contact of hand and foot with pole-climbing 5, reduce the oppression sense of pole-climbing 5 to human hand and foot to increase the comfort level of using.

Further, the upper surface of the platform 20 has anti-slip corrugations.

In the present embodiment, the top of the platform 20 has anti-slip corrugations; the anti-skidding ripple can reduce the condition that the user skidded in the climbing process and increase the safety of products.

Example 4

Please refer to fig. 1 and fig. 2. FIG. 1 is a schematic view of the overall structure of a body-building ladder according to an embodiment of the present invention; fig. 2 is a schematic structural view of another integral implementation mode of the body-building ladder stand in the embodiment of the invention.

The present embodiment proposes, based on the technical solution of embodiment 1: the frame 4 further comprises a second connection portion 21 for fixing to the ground.

In the present embodiment, based on fig. 1 and 10, the bottom of the frame 4 has four second connecting portions 21, and the second connecting portions 21 are opened with anchor bolt holes. After the body-building ladder stand is placed at the selected position, the body-building ladder stand is fixed on the ground through foundation bolts; because of the user is in the motion process, whole human body all is on the body-building cat ladder, and the heavy burden of body-building cat ladder is great, produces displacement even topples over easily. The body-building ladder stand is fixed on the ground through the second connecting portion 21, so that the stability of a product can be greatly improved, the product can be placed to topple over, and the safety of the product is improved.

In other embodiments than the above, based on fig. 2, the frame 4 has four quadrangular prism-shaped legs 22 at the bottom, and the legs 22 are buried in the ground to fix the frame 4 to the ground; the method is suitable for the situation that the body-building ladder stand is arranged outdoors.

In conclusion, the invention provides a body-building ladder stand which comprises a frame 4, two groups of transmission mechanisms, transmission shafts 3 and climbing rods 5, wherein the two groups of transmission mechanisms are symmetrically arranged at two sides of the frame 4, the two groups of transmission mechanisms are in transmission connection through the transmission shafts 3, the two groups of transmission mechanisms are erected in the frame 4 through the transmission shafts 3, each transmission mechanism comprises transmission chains 2 and three transmission gears 1, the three transmission gears 1 are distributed in the same vertical plane and are arranged in a triangular mode, the rotation axes of the three transmission gears 1 are parallel to each other, the three transmission gears 1 are in closed-loop transmission connection through the transmission chains 2, and two ends of each climbing rod 5 are respectively erected between the transmission chains 2 of the two groups of transmission mechanisms. In the process of climbing upwards, a user can apply a downward force to the climbing rod 5, so that the chain connected with the climbing rod moves downwards around the transmission gear 1, the climbing rod 5 can circularly use the user from the upper part of the user along the closed-loop chain, the height of the user is ensured not to be increased in the climbing process, and the effect of continuous climbing is achieved; the body-building ladder stand realizes the use requirement of continuous climbing through smaller volume, can be installed in parks, gymnasiums or homes of users, and increases the application range of the ladder stand; meanwhile, the body-building crawling ladder is simple in structure, low in production cost and easy to produce on a large scale.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a body-building cat ladder, its characterized in that includes frame, drive mechanism, transmission shaft and climbing rod, drive mechanism is two sets ofly, and is two sets of drive mechanism symmetry set up in the frame both sides, two sets of drive mechanism passes through the transmission shaft transmission is connected, and is two sets of drive mechanism passes through the transmission shaft erects in the frame, drive mechanism includes driving chain and three drive gear, and is three drive gear distributes in same vertical plane and is triangle-shaped and arranges, and is three drive gear's rotation axis is parallel to each other, and is three drive gear passes through the drive chain closed loop transmission is connected, the both ends of climbing rod are erect respectively two sets of drive mechanism between the driving chain.

2. The ladder stand as claimed in claim 1, wherein the transmission chain is a roller chain, the transmission chain has a first connecting portion matching with the climbing rod, the first connecting portion has a notch matching with the climbing rod, the side wall of the climbing rod is disposed in the notch, and the side wall of the climbing rod is welded and fixed to the first connecting portion.

3. The ladder of claim 1 further comprising a bearing and a bearing block, wherein the two ends of the drive shaft are rotatably connected to the frame via the bearing and the bearing block.

4. A ladder as claimed in claim 3, wherein the bearing blocks are slidably connected to the frame in a direction parallel to the ground and perpendicular to the climbing rod.

5. The ladder of claim 1 further comprising a motor for driving the drive shaft in rotation.

6. A ladder as claimed in claim 5, further comprising speed adjustment means for adjusting the speed of rotation of the gear.

7. The ladder stand as claimed in claim 6, wherein the speed regulating device comprises two brake pads, two brake shafts and a fastening piece, the two brake pads are sleeved on the brake shafts, the transmission gear is clamped between the two brake pads, the fastening piece is abutted against the brake pads, and the fastening piece is used for adjusting the pressure between the brake pads and the side wall of the transmission gear.

8. A ladder as claimed in claim 1, wherein the climbing rod has a platform on which to step.

9. A ladder as claimed in claim 8, wherein the platform is provided with anti-slip corrugations.

10. The ladder of claim 1 wherein the frame further comprises a second attachment portion for attachment to the ground.