CN204917745U - Portable portal crane - Google Patents

Abstract

The utility model relates to a portable gantry crane, which comprises a main girder, end girders are arranged at the left and right ends of the main girder, the end girder includes a steel pipe pillar and a diagonal brace, the steel pipe pillar and the diagonal brace are fixedly connected by angle steel, the steel pipe pillar It includes a steel pipe pillar A and a steel pipe pillar B, the lower end of the steel pipe pillar B is connected to a concrete foundation, the steel pipe pillar B is connected to the concrete foundation with bolts, the lower end of the steel pipe pillar A is connected to a cap, and the cap is set on There is also a construction platform between the steel pipe pillar A and the steel pipe pillar B, and between the steel pipe pillar A and the steel pipe pillar B. The construction platform and the cap are fixedly connected by piers, and the left and right ends of the main beam are provided with limit blocks. A hoist is also arranged on the main beam, and a T-beam is hung on the lower part of the hoist; in a word, the utility model has the advantages of simple structure, stable operation, less material used, low cost, intelligent monitoring, and high-efficiency anti-collision.

Description

A portable gantry crane

technical field

The utility model belongs to the field of lifting equipment, in particular to a gantry crane, in particular to a portable gantry crane.

Background technique

In engineering construction, especially in the construction of expressways and high-speed railways, T-beams need to be hoisted and transported. There are many types of T-beams, which brings great difficulties to the prefabrication of T-beams. Therefore, the addition of T-beams is the key to ensuring the construction period; In addition, during the implementation of engineering projects, the project department often has a large amount of materials such as steel pipe piles, bailey sheets, and section steel. A stable portable gantry crane is the key to the problem; at the same time, we also need to ensure the performance of the gantry crane, such as anti-collision, such as safety inspection of the quality of heavy objects, etc.; therefore, provide a simple structure, stable operation, less materials used, and low cost , Intelligent monitoring, efficient anti-collision portable gantry crane is very necessary.

Contents of the invention

The purpose of the utility model is to overcome the deficiencies of the prior art, and provide a portable gantry crane with simple structure, stable operation, less material used, low cost, intelligent monitoring, and high-efficiency anti-collision.

The purpose of this utility model is achieved in this way: a portable gantry crane, which includes a main beam, the left and right ends of the main beam are provided with end beams, and the end beams include steel pipe pillars and diagonal braces. The steel pipe support and the diagonal brace are fixedly connected with angle steel. The steel pipe support includes a steel pipe support A and a steel pipe support B. The lower end surface of the steel pipe support B is connected to a concrete base. The steel pipe support B and the The concrete bases are connected by bolts, and the lower end surface of the steel pipe pillar A is connected with a cap, and the cap is arranged between the steel pipe pillar A and the steel pipe pillar B, and the steel pipe pillar A and the steel pipe pillar B There is also a construction platform between them, and the construction platform and the cap are fixedly connected by pier columns, the left and right ends of the main beam are provided with limiting blocks, and the main beam is also provided with a hoist. The lower part of the winch is suspended with a T-beam.

The platform is set on the lower part of the horizontal ground.

The hoist is also provided with an alarm and a gravity sensor.

A beam transport flat car is arranged between the cap and the concrete base.

The main girder adopts 14 pieces of Baileys of the 321 model.

Described winch weighs 5t.

The steel pipe pillar adopts Q235 steel material of 630mm*10mm.

The limiting block is composed of Bailey sheets.

Beneficial effects of the utility model: the limiting block of the utility model is composed of Bailey sheets, the span of the main girder is 35.4m, each cantilever is 3.3m on both sides, and 14 pieces of 321 type Baileys are used, and the Bailey sheets are 3m long and 1.5m high The Baileys are assembled in the form of 8 rows in a single layer with upper and lower reinforcements. The track sleeper adopts the type of steel rail P43, the weight of the Bailey sheet is 275kg/piece, and the steel pipe pillars are made of 630mm×10mm Q235 steel. The materials selected are all existing in the engineering design. Some materials have the characteristics of less materials and simple structure; through the calculation of the force strength of the steel pipe pillar, the force strength of the steel pipe pillar is greater than the maximum support force of the hoist on the main beam, which further ensures the stability of the operation; The bit blocks ensure the high efficiency and anti-collision of the hoist; the hoist is equipped with an alarm and a gravity sensor, and when it detects that the weight of the T beam is too large, it will intelligently alarm, further ensuring the safety and stability of the operation; at the same time, the utility model is based on the existing The steel pipe pillar B is fixedly connected with the concrete base on the ground, and the steel pipe pillar A is fixedly connected with the cap platform in the engineering project, which is convenient and flexible according to local conditions; in a word, the utility model has the advantages of simple structure, stable operation, and The advantages of less material, low cost, intelligent monitoring, and efficient collision avoidance.

Description of drawings

Fig. 1 is a structural schematic diagram of a portable gantry crane of the present invention.

In the figure: 1, main beam 2, hoist 3, construction platform 4, steel pipe column A5, diagonal brace 6, pier column 7, platform cap 8, beam transport flat car 9, concrete base 10, horizontal ground 11, alarm 12, Gravity sensor 13, T beam 14, limit block 15, steel pipe pillar B.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described further.

Example 1

As shown in Figure 1, a kind of portable gantry crane, it comprises main girder 1, and described main girder 1 left and right ends are all provided with end girder, and described end girder comprises steel pipe pillar, diagonal brace 5, and described The steel pipe pillar and the diagonal brace 5 are fixedly connected with angle steel. The steel pipe pillar includes a steel pipe pillar A4 and a steel pipe pillar B15. The lower end surface of the steel pipe pillar B15 is connected with a concrete base 9. The steel pipe pillar B15 It is connected with the concrete base 9 by bolts, and the lower end surface of the steel pipe pillar A4 is connected with a platform 7, and the described platform 7 is arranged between the steel pipe pillar A4 and the steel pipe pillar B15, and the steel pipe pillar A4 There is also a construction platform 3 between the steel pipe pillar B15, and the construction platform 3 and the bearing platform 7 are fixedly connected by the pier column 6, and the left and right ends of the main beam 1 are provided with limit blocks 14, so that The main beam 1 is also provided with a hoist 2, and a T-beam 13 is suspended from the bottom of the hoist 2.

During the concrete implementation of the present utility model: the spacer block 14 of the present utility model is made up of Bailey sheet, main girder 1 span 35.4m, each cantilever 3.3m of both sides, adopts 14 Baileys of 321 models, Bailey sheet length 3m, high 1.5m, with 8 rows in a single layer, the Baileys are assembled in the form of upper and lower reinforcements. The track sleeper adopts the type of steel rail P43, the weight of the Bailey sheet is 275kg/piece, and the steel pipe pillars are made of 630mm×10mm Q235 steel. The materials selected are all engineering designs. The existing materials in the system have the characteristics of less materials and simple structure; through the checking and calculation of the stress strength of the steel pipe pillar, the stress strength of the steel pipe pillar is greater than the maximum support force of the winch on the main beam, which further ensures the stability of the operation The limit block 14 has guaranteed the high-efficiency anti-collision of the hoist 2; the hoist 2 is provided with an alarm 11 and a gravity sensor 12, and when it is detected that the weight of the T beam 13 is too large, it will intelligently alarm, further ensuring the safety and stability of the operation; in a word The utility model has the advantages of simple structure, stable operation, less material used, low cost, intelligent monitoring, and high-efficiency anti-collision.

Example 2

As shown in Figure 1, a kind of portable gantry crane, it comprises main girder 1, and described main girder 1 left and right ends are all provided with end girder, and described end girder comprises steel pipe pillar, diagonal brace 5, and described The steel pipe pillar and the diagonal brace 5 are fixedly connected with angle steel. The steel pipe pillar includes a steel pipe pillar A4 and a steel pipe pillar B15. The lower end surface of the steel pipe pillar B15 is connected with a concrete base 9. The steel pipe pillar B15 It is connected with the concrete base 9 by bolts, and the lower end surface of the steel pipe pillar A4 is connected with a platform 7, and the described platform 7 is arranged between the steel pipe pillar A4 and the steel pipe pillar B15, and the steel pipe pillar A4 There is also a construction platform 3 between the steel pipe pillar B15, and the construction platform 3 and the bearing platform 7 are fixedly connected by the pier column 6, and the left and right ends of the main beam 1 are provided with limit blocks 14, so that The main beam 1 is also provided with a winch 2, the bottom of the winch 2 is suspended with a T-beam 13, the platform 7 is arranged at the bottom of the horizontal ground 10, and the winch 2 is also provided with an alarm 11. Gravity sensor 12, between the cap 7 and the concrete base 9 is provided with a beam transport flat car 8, the main beam 1 adopts 14 pieces of 321 type Bailey, and the hoist 2 weighs 5t. The above-mentioned steel pipe pillar adopts Q235 steel material of 630mm*10mm, and the above-mentioned limiting block 14 is made up of Bailey sheet.

During the concrete implementation of the present utility model: the spacer block 14 of the present utility model is made up of Bailey sheet, main girder 1 span 35.4m, each cantilever 3.3m of both sides, adopts 14 Baileys of 321 models, Bailey sheet length 3m, high 1.5m, with 8 rows in a single layer, the Baileys are assembled in the form of upper and lower reinforcements. The track sleeper adopts the type of steel rail P43, the weight of the Bailey sheet is 275kg/piece, and the steel pipe pillars are made of 630mm×10mm Q235 steel. The materials selected are all engineering designs. The existing materials in the system have the characteristics of less materials and simple structure; through the checking and calculation of the stress strength of the steel pipe pillar, the stress strength of the steel pipe pillar is greater than the maximum support force of the winch on the main beam, which further ensures the stability of the operation The limit block 14 has ensured the high-efficiency anti-collision of the hoist 2; the hoist 2 is provided with an alarm 11 and a gravity sensor 12, and when it is detected that the weight of the T beam 13 is too large, it will intelligently alarm, further ensuring the safety and stability of the operation; , the utility model is built in the existing engineering construction project, the steel pipe pillar B15 is fixedly connected with the concrete base 9 on the ground, and the steel pipe pillar A4 is fixedly connected with the bearing platform 7 in the engineering project, which is convenient and flexible according to local conditions; in a word, this The utility model has the advantages of simple structure, stable operation, less material used, low cost, intelligent monitoring, and high-efficiency collision avoidance.

The above descriptions are only preferred implementations of the present utility model. For those skilled in the art, without departing from the inventive concept of the present utility model, some modifications and improvements can be made, all of which belong to the protection scope of the present utility model.

Claims (8)

1. a portable type gantry crane, it comprises main girder, it is characterized in that: described main girder left and right ends are all provided with end girder, described end girder comprises steel pipe pillar, diagonal brace, described steel pipe pillar and The diagonal braces are fixedly connected with angle steel. The steel pipe pillars include steel pipe pillars A and steel pipe pillars B. The lower end surface of the steel pipe pillars B is connected with a concrete base. connected by bolts, the lower end surface of the steel pipe pillar A is connected with a cap, the cap is set between the steel pipe pillar A and the steel pipe pillar B, and between the steel pipe pillar A and the steel pipe pillar B is also set There is a construction platform, and the construction platform and the bearing platform are fixedly connected by piers, the left and right ends of the main beam are provided with limit blocks, and the main beam is also provided with a hoist, and the hoist The lower part of the suspension is T-beam. 2. A portable gantry crane according to claim 1, characterized in that: the bearing platform is arranged at the lower part of the horizontal ground. 3. A portable gantry crane according to claim 1, characterized in that: the hoist is also provided with an alarm and a gravity sensor. 4. A portable gantry crane according to claim 1, characterized in that: a beam-carrying flat car is arranged between the cap and the concrete base. 5. A portable gantry crane according to claim 1, characterized in that: said main girder adopts 14 pieces of 321 type Bailey. 6. A portable gantry crane according to claim 1, characterized in that the hoist weighs 5t. 7. A portable gantry crane according to claim 1, characterized in that: the steel pipe pillar is made of Q235 steel material of 630mm*10mm. 8. A portable gantry crane according to claim 1, characterized in that: said limit block is composed of Bailey sheets.