Telescopic device for rubber-tired crane

Abstract

The utility model relates to the field of cranes, and discloses a telescopic device for a rubber-tired crane, which comprises a support, a beam cylinder, a power device, a lubricating device, a telescopic beam and a walking steering mechanism, the supports are welded and fixed to the beam barrel and the telescopic beam, the power device is fixedly connected to the supports through pin shafts, the walking steering mechanism is fixedly installed at the bottom of the beam barrel and the bottom of the telescopic beam, the lubricating device is fixedly installed on the beam barrel through bolts, the number of the supports is two, one support is welded and fixed to the beam barrel, and the other support is welded and fixed to the telescopic beam. And the other support is welded and fixed with the telescopic beam. The rubber-tired crane has the following advantages and effects that the change of the span of the crane is controlled through the extension and retraction of the power device, the rubber-tired crane of which the span can be changed on a conventional ground or a severe road surface is provided, the trouble of replacing different cranes due to different widths of hoisted objects is saved, the comprehensive cost is low, and the utilization rate of the crane is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to a crane technical field, especially a telescopic device for a rubber-tired crane. BACKGROUND

[0002] In life, yacht club, dock, port and other places, need to use the crane to help the boat and other objects safely in and out of the water, which needs to transfer flexible, easy to operate the rubber-tired crane.

[0003] The span of the traditional rubber-tired crane is fixed. At this time, if different width boats and other objects need to be transported, different span cranes need to be used, so the use cost is high, and the crane utilization rate is low, therefore, a telescopic device for a rubber-tired crane is needed to solve the above problems.

[0004] The information disclosed in this background section is intended only to increase an understanding of the general background of the application, and is not admitted to be prior art against the application. SUMMARY

[0005] The utility model aims at providing a telescopic device for a rubber-tired crane to solve the above problems.

[0006] The above technical purpose of the utility model is realized by the following technical scheme: a telescopic device for a rubber-tired crane, comprising:

[0007] Support, beam cylinder, power device, lubricating device, telescopic beam and walking steering mechanism;

[0008] The support is welded and fixed on the beam cylinder and the telescopic beam, the power device is fixedly connected on the support through the pin shaft, the walking steering mechanism is fixedly installed at the bottom of the beam cylinder and the telescopic beam, and the lubricating device is fixedly installed on the beam cylinder through the bolt.

[0009] The utility model further provides that the number of the support is two, one support is welded and fixed with the beam cylinder, and the other support is welded and fixed with the telescopic beam.

[0010] The utility model further provides that the lubricating device comprises upper and lower wear blocks and left and right wear blocks, and the upper and lower wear blocks and the left and right wear blocks are fixedly installed on the beam cylinder through the bolt.

[0011] By adopting the above technical scheme, the use requirements of salt spray and other special environments are met, the convenience of replacing the wear block without disassembling the whole telescopic beam is met, and the customer experience is greatly improved.

[0012] The power device is an oil cylinder or an electric push rod.

[0013] The telescopic beam is slidably installed in the beam cylinder.

[0014] By adopting the above technical scheme, the telescopic beam is conveniently moved.

[0015] The telescopic beam is slidably installed in the beam cylinder.

[0016] The telescopic beam is slidably installed in the beam cylinder. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative effort on the basis of these drawings.

[0018] Figure 1 is a normal working state schematic diagram of the telescopic device for the tyre crane proposed by the present application.

[0019] Figure 2 is a span adjusted state schematic diagram of the telescopic device for the tyre crane proposed by the present application.

[0020] Figure 3 is a structure schematic diagram of the beam cylinder and lubricating device connecting part in the telescopic device for the tyre crane proposed by the present application.

[0021] In the figure, 1 is a support, 2 is a beam cylinder, 3 is a power device, 4 is a lubricating device, 5 is a telescopic beam, 6 is a walking and steering mechanism, 7 is an up and down wear-resistant block, and 8 is a left and right wear-resistant block. DETAILED DESCRIPTION

[0022] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements, and those skilled in the art can understand the specific meaning of the above terms in the present application according to the specific circumstances.

[0023] The following will clearly and completely describe the technical solutions of the present invention in conjunction with specific embodiments. Obviously, the embodiments described are only a portion of the embodiments of the present invention, and not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are also within the scope of protection of the present invention.

[0024] See also Figure 1 、 Figure 2 and Figure 3 The utility model provides a telescopic device for a tire crane, comprising:

[0025] Support 1, beam tube 2, power device 3, lubrication device 4, telescopic beam 5 and travel steering mechanism 6;

[0026] The support 1 is welded and fixed on the beam tube 2 and the telescopic beam 5, the power unit 3 is fixedly connected to the support 1 through a pin shaft, the travel steering mechanism 6 is fixedly installed on the bottom of the beam tube 2 and the telescopic beam 5, and the lubrication device 4 is fixedly installed on the beam tube 2 by bolts.

[0027] Specifically, there are two supports 1 , one support 1 is welded and fixed to the beam tube 2 , and the other support 1 is welded and fixed to the telescopic beam 5 .

[0028] Specifically, the lubrication device 4 includes upper and lower anti-wear blocks 7 and left and right anti-wear blocks 8, which are fixed to the beam tube 2 by bolts. It should be noted that the upper and lower anti-wear blocks 7 and left and right anti-wear blocks 8 fixed to the beam tube 2 by bolts play a role in lubrication and reducing friction, thereby preventing the product from rusting and getting stuck in salt spray environments such as ports.

[0029] Specifically, the power unit 3 is a cylinder or an electric push rod. It should be noted that a magnetic scale can be added to the cylinder or an encoder can be added to the electric push rod to achieve precise positioning of the span change. The cylinder uses a hydraulic system to achieve self-locking or the electric push rod uses T-shaped teeth to achieve self-locking, ensuring that the crane span can be locked after reaching the position, thereby ensuring construction safety.

[0030] Specifically, the telescopic beam 5 is slidably installed in the beam tube 2. It should be noted that this facilitates the movement of the telescopic beam 5 in the beam tube 2.

[0031] Working principle:

[0032] S1: If Figure 1 As shown, the tire direction of the travel steering mechanism 6 is perpendicular to the movement direction of the power device 3, and the power device 3 is extended and retracted to drive the relative position of the beam tube 2 and the telescopic beam 5 to change;

[0033] S2: If Figure 2As shown, the tire direction of the walking steering mechanism 6 is adjusted to be parallel to the running direction of the power device 3, and at this time, the walking wheels of the walking steering mechanism 6 are in the loose brake state, and the span of the rubber-tired crane can be elongated or shortened;

[0034] S3: as Figure 3 As shown, during the span change process, the upper and lower wear-resistant blocks 7 and the left and right wear-resistant blocks 8 fixed on the beam cylinder 2 play the role of lubrication and reducing friction, preventing the product from rusting and being stuck in the salt spray environment such as a port;

[0035] S4: the power device 3 is an oil cylinder or an electric push rod, and a magnetic scale can be added on the oil cylinder or an encoder can be added on the electric push rod, so that the span change can be accurately positioned. The oil cylinder uses a hydraulic system to realize self-locking or the electric push rod uses a T-shaped tooth to realize self-locking, so as to ensure that the crane span can be locked after reaching the position, and the safety of construction is ensured.

[0036] S5: the wear-resistant blocks are installed on the beam cylinder 2 through bolts, which not only meet the use requirements in the salt spray and other special environments, but also meet the convenience of replacing the wear-resistant blocks without disassembling the whole telescopic beam 5, thereby greatly improving the customer experience.

[0037] The above describes in detail the telescopic device for the rubber-tired crane provided by the utility model. The principles and implementation manners of the utility model are described by applying specific embodiments, and the above embodiment is only used to help understand the method and core idea of the utility model. It should be pointed out that for ordinary skilled persons in the technical field, the utility model can be improved and modified in many ways without departing from the principles of the utility model, and these improvements and modifications also fall within the protection scope of the utility model claims.

Claims

1. A telescopic device for a tire crane, characterized in that: include: Support (1), beam tube (2), power device (3), lubrication device (4), telescopic beam (5) and travel steering mechanism (6); The support (1) is welded and fixed on the beam tube (2) and the telescopic beam (5); the power device (3) is fixedly connected to the support (1) via a pin shaft; the travel steering mechanism (6) is fixedly installed on the bottom of the beam tube (2) and the telescopic beam (5); and the lubricating device (4) is fixedly installed on the beam tube (2) via bolts.

2. The telescopic device for a tire crane according to claim 1, characterized in that: There are two supports (1), one support (1) is welded and fixed to the beam tube (2), and the other support (1) is welded and fixed to the telescopic beam (5).

3. The telescopic device for a tire crane according to claim 1, characterized in that: The lubricating device (4) comprises upper and lower anti-wear blocks (7) and left and right anti-wear blocks (8), and the upper and lower anti-wear blocks (7) and left and right anti-wear blocks (8) are fixedly mounted on the beam tube (2) by means of bolts.

4. The telescopic device for a tire crane according to claim 1, characterized in that: The power device (3) is an oil cylinder or an electric push rod.

5. The telescopic device for a tire crane according to claim 1, characterized in that: The telescopic beam (5) is slidably mounted in the beam tube (2).

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