CN101786585B - Crane supporting device for field installation of boiler - Google Patents

Abstract

The invention discloses a crane support device installed on site for a boiler. The invention uses two upper beams on the boiler support so that a set of support devices can be installed with different types of boilers; The high-rear low structure makes the transportation easier and can be completed by one person; the design of the side baffle of the tripod makes installation simple, and the design of the vertical extension rod, horizontal extension rod and adjustable feet enables the tripod to withstand greater force. At the same time, the main material used in the present invention is a common cold-drawn steel pipe on the market, and the processing is simple. The use of this device improves the efficiency of boiler installation, reduces the difficulty of boiler installation, reduces the labor required for installation, and avoids the use of labor or Unexpected risks brought by handling heat exchangers with non-specialized spreaders.

Description

Crane support device installed on the boiler site

technical field

The present invention mainly relates to a support member, in particular to a support device used in boiler installation.

Background technique

The installation of traditional boilers is mainly done manually, or some non-special spreaders are made on site to carry the heavy heat exchanger or boiler, which is time-consuming and laborious; the heat exchanger is a key component of the boiler, and once it falls or collides with the boiler support, it may affect the The life of the boiler may even cause injuries to the moving personnel. If you install a larger boiler, you can also use some large mechanical equipment, such as tower cranes, truck cranes, but if you install small boilers and heat exchangers, there will be installation blind spots for large equipment, and the removal of the equipment itself It is also very troublesome. Though some special light-duty hangers are also arranged in the prior art, can be used for finishing installation constructions such as cantilevered steel beams. However, in the prior art, there are still relatively few installation auxiliary equipment for small and medium-sized boilers, so how to use simple special equipment to assist the installation of small and medium-sized boilers has become a problem worth studying and solving in the prior art.

Contents of the invention

The technical problem to be solved by the present invention is to provide a crane support device with ingenious structure and convenient installation for on-site installation of the boiler. The boiler can be installed efficiently, economically and safely with only a special boiler bracket part and a small number of external devices.

In order to solve the above technical problems, the present invention provides the following technical solutions: a crane support device installed on the boiler site, including a pulley and a chain block, wherein the crane support device also includes at least two pairs of front and rear support frames and a crane slide bar, Wherein the front and rear two pairs of support frames are installed on the boiler support at a certain distance, the support frames are connected with cross bars, the crane slide bars are connected with the cross bars on the front and rear support frames, the pulleys are installed on the crane slide bars, and Can slide along the axial direction of the crane slider.

As a preferred solution of the crane supporting device of the present invention, the cross bar on the support frame is a cross beam of a boiler support, and the cross beam is detachably connected to the boiler support.

As a preferred solution of the crane support device of the present invention, the assembly holes for installing the crane slide bars are prefabricated on the beams, and the hole positions of the assembly holes coincide with the center line of the required installation position of the heat exchanger , the heat exchanger can slide to the installation position along the center line on the crane slide bar.

As a preferred solution of the crane supporting device of the present invention, a positioning baffle is installed on the boiler bracket, and the positioning baffle is arranged on the rear side of the correct installation position of the heat exchanger.

As a preferred solution of the crane support device of the present invention, one of the front and rear support frames is high and the other is low. When installing the heat exchanger, the high support frame is in front and the low support frame is behind. When disassembling the heat exchanger, The low support frame is in front and the high support frame is in the back.

As a preferred solution of the crane support device of the present invention, a tripod assembly is installed on the side of the boiler support close to the installation of the heat exchanger, one end of the tripod assembly is against the boiler support, and the other end is supported on the foundation.

As a preferred solution of the crane supporting device of the present invention, the vertical extension rod of the tripod assembly can be stretched in the vertical direction, and the horizontal extension rod can be stretched in the horizontal direction, and the vertical extension rod is provided with a finely adjustable bottom foot.

As a preferred solution of the crane support device of the present invention, the vertical extension rod can be rotated to the horizontal direction along its joint point, and retracted into the horizontal extension rod, and the horizontal extension rod can be retracted into the tripod main body .

As a preferred solution of the crane supporting device of the present invention, a clamping claw fastening device is provided at the end of the tripod assembly and the boiler support.

As a preferred solution of the crane supporting device of the present invention, a circular side baffle is provided at the end of the tripod and the boiler bracket, and an eccentric through hole is opened on the circular side baffle, which is screwed to Installed on the tripod, a part of the circular side baffle sticks out of the main body of the tripod and abuts against one side of the boiler bracket.

Adopting the crane supporting device described in the present invention, due to its ingenious structure, the design of the present invention borrows two upper beams on the boiler bracket, so that a set of supporting device can be installed with different types of boilers; The front and rear support frames have a high front and low rear structure, which makes the transportation easier and can be completed by one person; the design of the side baffle of the tripod makes installation simple, and the design of the vertical extension rod, horizontal extension rod and adjustable feet enables the tripod to bear more big force. At the same time, the main material used in the present invention is a common cold-drawn steel pipe on the market, and the processing is simple. The use of this device improves the efficiency of boiler installation, reduces the difficulty of boiler installation, reduces the labor required for installation, and avoids the use of labor or Unexpected risks brought by handling heat exchangers with non-specialized spreaders.

Description of drawings

Fig. 1 is a schematic diagram of the working state of the crane supporting device of the present invention.

Fig. 2 is a schematic diagram of the detachable crossbeam of the crane support device used as a crossbar.

Fig. 3 is a schematic diagram of the normal use state of the detachable beam of the crane support device.

Fig. 4 is a schematic diagram of the trolley of the crane supporting device.

Fig. 5 is a partially enlarged schematic view of the detachable cross beam used as a cross bar.

Fig. 6 is a schematic diagram of installing other types of boilers on the crane support device.

Fig. 7 is a structural schematic diagram of the tripod assembly of the crane support device.

Fig. 8 is a schematic diagram before installation of the tripod assembly of the crane support device.

Fig. 9 is a schematic diagram of the tripod assembly of the crane supporting device after installation.

Detailed ways

The present invention will be described in further detail below in conjunction with the accompanying drawings.

As shown in the figure, the crane support device is composed of two pairs of support frames 2 before and after hoisting, a crane slide bar 3, a pulley 10, a chain block 4 and a tripod assembly 6.

When installing the boiler bracket 1, install the upper beam 7 at the back of the boiler bracket first to ensure the stability of the boiler bracket. At this time, the upper beam 8 in the boiler bracket and the upper beam 9 in front of the boiler bracket are not installed temporarily, but they are combined with the front and rear Two pairs of support frames 2 and crane slide bars 3 are assembled together and assembled on the boiler support 1 . A block 10 is installed inside the crane slide bar 3 , and the block 10 is connected with the chain block 4 for lifting the heat exchanger 5 . Through the movement of the trolley 10, the heat exchanger 5 can be transported to the designated installation position on the boiler support 1.

After the heat exchanger 5 is installed in place, remove the crane supporting device, install the middle and upper beam 8 of the boiler bracket and the front upper beam 9 of the boiler bracket on the boiler bracket 1, and the middle and upper beam 8 and the front upper beam 9 of the boiler bracket are detachable of. As shown in Figure 5, the upper beam 8 in the boiler bracket and the upper beam 9 in front of the boiler bracket have prefabricated assembly holes, and the hole positions coincide with the center line of the required installation position of the heat exchanger 5 to ensure that the heat exchanger moves along the crane slide bar 3 Do not touch other poles on the boiler bracket 1 at the time to avoid potential safety hazards and damage to the heat exchanger. A positioning baffle 18 is installed on the boiler bracket 1, and when the heat exchanger 5 touches the positioning baffle 18, it is put down, which is its correct installation position.

The two pairs of support frames (2) before and after hoisting are designed as a structure with one high and one low. When installing the heat exchanger 5, the front support frame is high and the rear support frame is low. At this time, when the heat exchanger 5 is hoisted to the required height At this time, it is only necessary to push the heat exchanger 5 slightly to overcome the static friction of the trolley 10, so that the trolley 10 moves backward along the crane slide bar 3 with the heat exchanger 5, and the heat exchanger 5 can be easily transported in place with the help of its own weight. . During disassembly, the low support frame is at the front and the high support frame is at the back, so that the heat exchanger 5 can easily slide along the axial direction of the crane slide bar 3 to the outside of the boiler support for disassembly by virtue of its own weight.

When hoisting other types of boilers, as shown in Figure 6, borrow the front upper beam 11 of this type of boiler, and the upper middle beam of this type, and prefabricate assembly holes on these beams, and the support frame 2 and sliding rod 3 remain unchanged, that is Can be hoisted. It realizes the requirement of installing different products with the same set of spreaders.

Boiler bracket 1 bottom installs tripod assembly 6, and described tripod assembly 6 comprises tripod 15, vertical extension bar 13 and lateral extension bar 14 and fastening device, plays the effect of fixing boiler bracket when hoisting heat exchanger. The tripod assembly has a vertically extending rod 13 and a laterally extending rod 14 . By replacing or adjusting the vertical extension rod 13 and the lateral extension rod 14, the support force of the tripod assembly can be increased, and the adjustment foot 12 plays a role of fine-tuning, so that the whole boiler support 1 can maintain balance when stressed. After use, the lateral extension rod can be retracted into the tripod 15, which is convenient for carrying. At the same time, the vertical extension rod 13 can be designed to be rotatable along the joint point, and retracted into the lateral extension rod 14 .

The fastening device includes a circular side baffle 16 and claws 17, and an eccentric through hole is processed on the circular side baffle 16, which is mounted on the tripod by screws. As shown in Figure 8, the circular side baffle 16 is rotated out of the way, the tripod assembly 6 is installed on the boiler support 1, and then the circular side baffle 16 returns to its original position by its own weight, as shown in Figure 9, it is connected with the tripod 15 and claw 17 play the effect of position-limiting together.

It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention without limitation, although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be carried out Modifications or equivalent replacements without departing from the spirit and scope of the technical solution of the present invention shall be covered by the claims of the present invention.

Claims (9)

1. A crane support device installed on the boiler site, including a pulley (10) and a chain block (4), characterized in that: the crane support device also includes at least two pairs of front and rear support frames (2) and a crane slide bar ( 3), wherein two pairs of support frames (2) at the front and rear are installed on the boiler support (1) at a certain distance, the support frames (2) are connected by cross bars, and the crane slide bar (3) is connected with the front and rear support frames (2) ), the pulley (10) is installed on the crane slide bar (3), and slides along the axial direction of the crane slide bar; the cross bar on the support frame is the beam of the boiler bracket (8, 9 ), the beam is detachably connected to the boiler bracket (1). 2. The crane support device according to claim 1, characterized in that: assembly holes for installing the crane slide rod (3) are prefabricated on the beam, and the hole positions of the assembly holes are the same as those of the heat exchanger (5). The centerlines of the positions to be installed coincide, and the heat exchanger (5) slides to the installation position along the centerlines on the slide bar of the crane. 3. The crane support device according to claim 1, characterized in that: a positioning baffle (18) is installed on the boiler support, and the positioning baffle (18) is set on the rear side of the correct installation position of the heat exchanger . 4. The crane supporting device according to any one of claims 1 to 3, characterized in that: the front and rear support frames (2) are one high and one low, and when the heat exchanger (5) is installed, the high support frame is The front and the low support frame are at the rear. When disassembling the heat exchanger, the low support frame is at the front and the high support frame is at the rear. 5. The crane supporting device according to claim 1, characterized in that a tripod assembly (6) is installed on the side of the boiler bracket (1) close to the installation of the heat exchanger, and one end of the tripod assembly (6) is connected to the boiler bracket (1) Connection, the other end is supported on the foundation. 6. The crane supporting device according to claim 5, characterized in that: the vertical extension rod (13) of the tripod assembly (6) is telescopic in the vertical direction, and the lateral extension rod (14) is telescopic in the lateral direction, the The vertical extension rod (13) is provided with finely adjustable feet (12). 7. The crane support device according to claim 6, characterized in that: the vertical extension rod (13) can rotate to the horizontal direction along its joint point, and shrink into the horizontal extension rod (14), the lateral extension Rod (14) can shrink in the tripod (15) main body. 8. The crane support device according to claim 5, characterized in that: a claw (17) fastening device is provided at the connection end of the tripod assembly (6) and the boiler bracket (1). 9. The crane support device according to claim 8, characterized in that: the tripod (15) is provided with a circular side baffle (16) at the end abutting against the boiler bracket (1), and the circular side baffle ( 16) There is an eccentric through hole on the top, which is installed on the tripod by screws, and a part of the circular side baffle extends out of the main body of the tripod to offset against one side of the boiler bracket.

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