Crawler-type lifting platform

Abstract

The utility model relates to the technical field of constructional engineering equipment, in particular to a crawler-type lifting platform which comprises two groups of portal frames symmetrically arranged on the upper surface of a base mechanism, and a first platform is horizontally arranged between the two groups of portal frames; the base mechanism comprises square telescopic rods arranged on the two side walls of a base frame body correspondingly, hydraulic limiting rods are arranged at the ends of the square telescopic rods correspondingly, two sets of crawler wheels are arranged on the two sides of the bottom of the base frame in the length direction of the base frame body correspondingly, and a motor, a battery and an electric hydraulic module are sequentially and fixedly arranged in the base frame body. The motor and the electric hydraulic module are electrically connected with the battery. The hydraulic limiting rods save time and labor and are easy to operate, the stability and safety of the lifting platform are improved, the overall stability and terrain adaptability are improved through the two sets of crawler wheels, and the problems that an existing four-wheel lifting platform is poor in stability and limited in use scene are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of construction engineering equipment, in particular to a crawler type lifting platform. Background Art

[0002] The vehicle-mounted lifting platform is designed to improve the mobility of the lifting platform. The lifting platform is fixed on a battery truck or truck. It receives the power of the car engine to realize the lifting function of the vehicle-mounted lifting platform.

[0003] The existing vehicle-mounted lifting platform uses four-wheel drive, the contact area between the wheels and the ground is small, it is easy to roll over and is unstable, and its usage scenarios are limited. It can only be used on flat ground or slightly uneven ground. Uneven ground will cause the vehicle-mounted lifting platform to roll over.

[0004] To this end, the present application provides a crawler lifting platform to solve the problems raised in the above background technology. Utility Model Content

[0005] The purpose of the utility model is to provide a crawler-type lifting platform to solve the problems of poor stability and limited usage scenarios of existing lifting platforms.

[0006] In order to solve the above technical problems, the utility model provides a crawler lifting platform, including two groups of gantries symmetrically arranged on the upper surface of a base mechanism, and a first platform horizontally arranged between the two groups of gantries; the base mechanism includes square telescopic rods respectively arranged on both side walls of the base frame, hydraulic limit rods respectively arranged on the ends of the square telescopic rods, a group of track wheels respectively arranged on both sides of the base frame along the length direction of its body, and a motor, a battery and an electric hydraulic module are sequentially arranged inside the base frame body, and the motor and the electric hydraulic module are electrically connected to the battery respectively.

[0007] Furthermore, the track wheel is in an isosceles trapezoid, the driving wheel and the inducer wheel are respectively tangently arranged at the two acute angles of the isosceles trapezoid, a track roller is arranged in the middle of the driving wheel and the inducer wheel, and a number of equidistant road wheels are horizontally arranged directly below the track roller, and the track is wound around the driving wheel, the track roller, the inducer wheel and the road wheels.

[0008] Furthermore, the driving wheel is connected to the output shaft of the motor through a shaft sleeve.

[0009] Furthermore, two groups of square telescopic rods are arranged on one side of the base frame, and the two groups are arranged to abut against each other up and down.

[0010] Furthermore, the square telescopic rod includes a first telescopic rod and a second telescopic rod, the first telescopic rod abuts against the side wall of the base frame, the first telescopic rod is sleeved with the second telescopic rod, and a hydraulic limit rod is fixedly arranged on the lower surface of the end of the second telescopic rod.

[0011] Furthermore, the hydraulic limit rod is communicated with the electric hydraulic module through the oil pipeline.

[0012] Furthermore, vertically upward door-shaped side rails are respectively arranged on the edges of the upper surface of the first platform, and lifting brackets are respectively fixedly arranged on one side of the horizontal bars of the two side rails close to the gantry, and the lifting brackets are arranged on the inner wall of the gantry body.

[0013] Furthermore, second platforms are horizontally extended outwards on both sides of the first platform, and the two second platforms are respectively located on the outsides of the two gantries.

[0014] Furthermore, a guardrail is installed on the same side of the upper surface of the first platform and the two second platforms, and a guardrail is installed on the side of the two second platforms away from the gantry.

[0015] Furthermore, a plurality of gantry rods are arranged in parallel on the inner side of the gantry frame, and the outer gantry rods are fixed to the base mechanism.

[0016] By adopting the above technical solution, the utility model has the following beneficial effects:

[0017] 1. The utility model provides a crawler lifting platform, which uses a crawler wheel structure. The crawler wheel has a large contact area with the ground, and the driving is smoother. It can adapt to various terrains and has good terrain passability, which solves the problems of poor stability and limited usage scenarios of existing four-wheel lifting platforms.

[0018] 2. The utility model uses a hydraulic limit rod instead of a manual limit rod. The hydraulic limit rod can be extended and retracted in a short time, saving time and effort, ensuring the stability of the four corners of the lifting platform during construction operations, and improving the stability and safety of the lifting platform.

[0019] 3. The utility model operates the wireless remote control through the user, and the wireless remote control is wirelessly connected to the control module. The control module is electrically connected to the battery, the motor, and the electric hydraulic module respectively. The movement and lifting functions of the crawler lifting platform can be controlled by the wireless remote control, which improves the user's working efficiency and control convenience. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 It is a front view of a crawler lifting platform;

[0022] Figure 2 for Figure 1 A structural schematic diagram of a crawler lifting platform;

[0023] Figure 3 for Figure 1 Schematic diagram of the structure of the hydraulic limit rod.

[0024] Figure markings: 1-first platform; 2-second platform; 3-gantry; 4-base mechanism; 41-base frame; 42-square telescopic rod; 421-first telescopic rod; 422-second telescopic rod; 43-hydraulic limit rod; 44-track wheel; 441-driving wheel; 442-inducing wheel; 443-supporting wheel; 444-road wheel; 445-track; 45-motor; 46-battery; 47-electric hydraulic module; 5-siderail; 6-lifting bracket; 7-guardrail. DETAILED DESCRIPTION

[0025] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] The present invention will be further explained below in conjunction with specific implementation methods.

[0029] like Figure 1-3As shown, a crawler lifting platform provided in this embodiment includes two groups of gantries 3 symmetrically arranged on the upper surface of a base mechanism 4, and a first platform 1 is horizontally arranged between the two groups of gantries 3; the base mechanism 4 includes a base frame 41, and square telescopic rods 42 are respectively arranged on the two side walls, and hydraulic limit rods 43 are respectively arranged at the ends of the square telescopic rods 42. The hydraulic limit rod saves time and effort and is easy to operate, thereby improving the stability of the lifting platform. A group of track wheels 44 are respectively arranged on both sides of the base frame 41 along the length direction of its body. The track wheels have a large contact area, are more stable in driving, and are suitable for a variety of terrains. The two groups of track wheels enhance the overall stability and terrain passability, and solve the problems of poor stability and limited use scenarios of existing four-wheel lifting platforms. A motor 45, a battery 46, an electric hydraulic module 47 and a control module are sequentially arranged inside the body of the base frame 41, and the motor 45 and the electric hydraulic module 47 are electrically connected to the battery 46 respectively. The motor provides power to the driving wheel in the track wheel, the electric hydraulic module can control the extension and contraction of the hydraulic limit rod, and the battery supplies power to the motor and the electric hydraulic module.

[0030] In this embodiment, the track wheel 44 is in an isosceles trapezoid, the driving wheel 441 and the induction wheel 442 are respectively tangently arranged at the two acute angles of the isosceles trapezoid, the support wheel 443 is arranged between the driving wheel 441 and the induction wheel 442, and a plurality of equally spaced road wheels 444 are horizontally arranged directly below the support wheel 443, and the track 445 is wound around the driving wheel 441, the support wheel 443, the induction wheel 442 and the road wheels 444. The driving wheel 441 is connected to the output shaft of the motor 45 through a shaft sleeve. The road wheels evenly distribute the weight of the whole vehicle to the track and the ground, and generally there are four to seven road wheels. Too many road wheels will affect the travel speed of the lifting platform. The power of the motor is transmitted from the driving wheel, which drives the crawler track to wind up. During the movement of the lifting platform, the crawler track rolled down from the induction wheel is laid on the ground and pressed under the forward rolling road wheel. The crawler track rolled over by the last road wheel is rolled up by the driving wheel, and the crawler track rolled up by the driving wheel is wound toward the induction wheel. When the lifting platform moves forward or backward, the two crawlers move forward or backward continuously. The wider crawler wheel has a larger contact area with the ground, which makes the lifting platform have better stability and terrain passability.

[0031] In this embodiment, square telescopic rods 42 are provided on both sides of the base frame 41, and two groups of square telescopic rods 42 are provided on one side, and the two groups are arranged to abut against each other up and down. The square telescopic rod 42 includes a first telescopic rod 421 and a second telescopic rod 422, the first telescopic rod 421 abuts against the side wall of the base frame 41, and the first telescopic rod 421 is fitted with the second telescopic rod 422. The square telescopic rod can manually control the length of extension and compression by pulling out and retracting the second telescopic rod to adapt to different work sites. A hydraulic limit rod 43 is fixedly provided on the lower surface of the extended end of the second telescopic rod 422, and the hydraulic limit rod 43 is connected to the electric hydraulic module 47 through an oil pipeline. The hydraulic limit rod is extended or retracted by hydraulic action. When the lifting platform is working, the hydraulic limit rod is extended to the bottom to touch the ground; when the lifting platform is moving, the hydraulic limit rod is retracted, and the bottom of the hydraulic limit rod is away from the ground.

[0032] In this embodiment, vertically upward gate-shaped side rails 5 are respectively provided on the edges of the upper surface of the first platform 1, and lifting brackets 6 are respectively fixedly provided on the side of the cross bars of the two side rails 5 close to the gantry 3, and the lifting brackets 6 are provided on the inner wall of the gantry 3 body. The lifting brackets are slidably connected to the inner cavity of the gantry body, and the up and down movement of the lifting brackets drives the lifting of the first platform 1. The second platforms 2 are respectively extended outward horizontally on both sides of the first platform 1, and the two second platforms 2 are respectively located on the outside of the two gantries 3. The first platform extends the second platform outward, which increases the use area of ​​the lifting platform and improves the construction efficiency. Guardrails 7 are installed on the same side of the upper surface of the first platform 1 and the two second platforms 2, and guardrails 7 are installed on the side of the two second platforms 2 away from the gantry 3. The five groups of guardrails in the lowering platform form a U-shape to protect the workers, and the place where the guardrails are not provided is convenient for the workers to work.

[0033] In this embodiment, a plurality of gantry rods are arranged in parallel on the inner side of the gantry 3, and the outer gantry rods are fixed to the base mechanism 4. The gantry is an existing product. A plurality of symmetrically arranged gantry rods are arranged in parallel on the inner side of the gantry body, and a hydraulic telescopic rod is arranged in the middle of the gantry. When the hydraulic telescopic rod is extended, it will push the two symmetrically arranged gantry rods to move upward synchronously, and the movement of the gantry rod will drive the first platform and the second platform to move upward together. The top and bottom ends of the innermost two symmetrically arranged gantry rods are respectively provided with sprockets, and the upper and lower sprockets are connected by a chain. The movement of the chain drives the first platform and the second platform to move together, and then drives the workers to rise to the construction position, realizing the lifting function of the platform.

[0034] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A crawler lifting platform, characterized in that: The invention comprises two groups of gantries (3) symmetrically arranged on the upper surface of a base mechanism (4), and a first platform (1) is horizontally arranged between the two groups of gantries (3); the base mechanism (4) comprises two groups of square telescopic rods (42) respectively arranged on the two side walls of a base frame (41), hydraulic limit rods (43) are respectively arranged at the ends of the square telescopic rods (42), a group of track wheels (44) are respectively arranged on both sides of the base frame (41) along the length direction of the base body, and a motor (45), a battery (46) and an electric hydraulic module (47) are sequentially arranged in the internal space of the base frame (41), and the motor (45) and the electric hydraulic module (47) are respectively electrically connected to the battery (46).

2. A crawler lifting platform according to claim 1, characterized in that: The track wheel (44) is in an isosceles trapezoidal shape, the driving wheel (441) and the inducer wheel (442) are respectively tangently arranged at two acute angles of the isosceles trapezoid, a support wheel (443) is arranged between the driving wheel (441) and the inducer wheel (442), a plurality of equally spaced road wheels (444) are horizontally arranged directly below the support wheel (443), and a track (445) is wound around the driving wheel (441), the support wheel (443), the inducer wheel (442) and the road wheels (444).

3. A crawler lifting platform according to claim 2, characterized in that: The driving wheel (441) is connected to the output shaft of the motor (45) via a shaft sleeve.

4. The crawler lifting platform according to claim 1, characterized in that: Two groups of the square telescopic rods (42) are arranged on one side of the base frame (41), and the two groups are arranged to abut against each other up and down.

5. The crawler lifting platform according to claim 4, characterized in that: The square telescopic rod (42) comprises a first telescopic rod (421) and a second telescopic rod (422); the first telescopic rod (421) abuts against a side wall of the base frame (41); the first telescopic rod (421) is sleeved on the second telescopic rod (422); and the hydraulic limit rod (43) is fixedly arranged on the lower surface of the end of the second telescopic rod (422).

6. The crawler lifting platform according to claim 4, characterized in that: The hydraulic limit rod (43) is connected to the electric hydraulic module (47) via an oil pipeline.

7. The crawler lifting platform according to claim 1, characterized in that: The edges of the upper surface of the first platform (1) are respectively provided with vertically upward door-shaped side rails (5), and lifting brackets (6) are respectively fixedly provided on the side of the cross bars of the two side rails (5) adjacent to the gantry (3), and the lifting brackets (6) are arranged on the inner wall of the gantry (3) body.

8. The crawler lifting platform according to claim 7, characterized in that: Second platforms (2) are horizontally extended from both sides of the first platform (1), and the two second platforms (2) are respectively located on the outsides of the two gantries (3).

9. The crawler lifting platform according to claim 8, characterized in that: A guardrail (7) is installed on the same side of the upper surface of the first platform (1) and the two second platforms (2), and a guardrail (7) is installed on the side of the two second platforms (2) away from the gantry (3).

10. The crawler lifting platform according to claim 9, characterized in that: A plurality of gantry rods are arranged in parallel on the inner side of the gantry frame (3), and the outer gantry rods are fixed to the base mechanism (4).

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