CN116986474A - Lifting placement device and method for installing filter press under condition of limited space - Google Patents

Abstract

The application discloses a lifting placement device and a method for installing a filter press under the condition of limited space, wherein the lifting placement device comprises a fixed frame and a first cross beam, the upper end of the fixed frame is connected with a first supporting part and a second supporting part, the first cross beam is erected on the first supporting part and the second supporting part, a plurality of chain blocks are arranged on the first cross beam at equal intervals, and the plurality of chain blocks are used for lifting filter press components; wherein, mount bottom four corners department all is provided with tank carrier to make this handling settle utensil have mobility strong, stable in structure, convenient operation, can bear the weight of effectively and possess safe and reliable's characteristics, still can high-efficiently accomplish the installation to full-automatic high pressure diaphragm type plate and frame filter press under the condition that can't use monorail crane, make the engineering can pay attention to on time, improved work efficiency.

Description

Lifting placement device and method for installing filter press under condition of limited space

Technical Field

The application relates to the technical field of filter press assembling devices, in particular to a lifting and placing device for large-scale weights and a method for installing a filter press under the condition of limited space.

Background

The filter press is a mechanical device which applies a certain pressure to an object by using a special filter medium to dialyze out liquid, and is a common solid-liquid separation device. The filter press consists of a frame, a filter plate, filter cloth, a pressing mechanism, a hydraulic system and an electric control system. When the filter press works, the pressing device pushes the push plate to press the filter plate and the filter cloth between the head plate and the tail plate, so that a filter chamber is formed between the pressed filter plate and the filter cloth, materials pressed in by the material pump enter each filter chamber from the tail plate feeding hole, solid particles are trapped in the filter chamber, a filter cake is formed, and liquid is discharged out of the machine from the liquid outlet hole through the filter cake and the filter cloth. The filter plate has the characteristics of stable performance, convenient operation, safety, labor saving and the like, so that the filter press is widely applied to coal mine enterprises, coal separation plants and sewage purification plants.

The project is that 5 full-automatic high-pressure diaphragm type plate-and-frame filter presses are installed in three-layer space of a building with a plane of 24m 64m, and hoisting ports are reserved on the side surface of the building so as to facilitate components of the filter presses to be transported into the building; firstly, each part of the filter press is hoisted into a building one by one, and then the installation work of each part of the filter press is completed one by one. However, in practical situations, the space of the construction site is relatively small, the floor height is low, and no fixed hanging point exists, so that the single-rail lifting filter press component cannot be used to enter the installation position.

Disclosure of Invention

In order to overcome the defects in the prior art, the application provides a hoisting and arranging device for large-scale weights, which aims to solve the problems in the technical background.

The technical scheme of the application is as follows: the lifting placement device for the large weight comprises a fixed frame and a first cross beam, wherein the upper end of the fixed frame is connected with a first supporting part and a second supporting part, and the first supporting part and the second supporting part are oppositely arranged; the first cross beam is erected on the first supporting part and the second supporting part, a plurality of chain blocks are arranged on the first cross beam, the chain blocks are distributed at equal intervals, and the chain blocks are used for hoisting filter press components; wherein tank carrier is all provided with in mount bottom four corners department.

Further, the fixing frame comprises a first frame body and a second frame body, the first frame body and the second frame body are oppositely arranged, the first frame body and the second frame body are connected through a second cross beam, and the second cross beam and the first cross beam are parallel to each other.

Further, a first supporting rod is arranged between the first frame body and the second cross beam, an included angle between the first supporting rod and the first frame body is an acute angle, a second supporting rod is arranged between the second frame body and the second cross beam, and an included angle between the second supporting rod and the second frame body is an acute angle.

Further, the first supporting part and the second supporting part comprise a vertical rod and an inclined rod, one end of the inclined rod is connected with the upper end of the vertical rod, the other end of the inclined rod is connected with the top surface of the fixing frame, and the connecting surface of the vertical rod and the fixing frame is located in the middle of the top surface of the fixing frame.

Further, the first frame body and the second frame body all include two long sides that are vertical setting and two short sides that are the level setting, and two long sides with the short side connects gradually in order to constitute a rectangle structure, wherein, the first frame body with all be provided with first support and second support in the second frame body, first support one end with long side is connected, the first support other end with the short side is connected, just first support is provided with two, two first support symmetry sets up, the both ends of second support respectively with two long side is connected.

Further, a locking jackscrew is inserted on the short side, reinforcing plates are arranged on the upper end face and the lower end face of the short side, and the locking jackscrew penetrates through the reinforcing plates and the locking jackscrew respectively and extends outwards to protrude, so that the locking jackscrew is inserted into the ground.

Further, the length of the fixing frame is 4-5 m, the width of the fixing frame is 2-3 m, and the height of the fixing frame is 4-6 m.

Further, the number of the chain blocks is 3, and the weight of the 3 chain blocks is 4 tons to 5 tons.

The application also provides a method for installing the filter press under the condition of limited space, which comprises the following steps:

step 1: sequentially transferring all parts of the filter press into a room by using an automobile crane;

step 2: connecting a lifting placement device with a winch, and pulling up the component through a chain block in the lifting placement device, wherein the winch pulls the lifting placement device to an installation position;

step 3: the components are aligned and then installed after being leveled;

step 4: and (3) repeating the steps 1 to 3 until all components of the filter press are installed.

Further, when the left main beam and the right main beam are installed, the horizontal error of the left main beam and the right main beam in the longitudinal direction is less than or equal to 1.5mm/1000mm, the horizontal error of the left main beam and the right main beam is less than or equal to 1.5mm/1000mm, the diagonal deviation is less than or equal to 1.5mm/1000mm, the parallelism deviation is less than or equal to 3mm, and the straightness deviation is less than or equal to 3.5mm.

The application according to the scheme has the beneficial effects that:

(1) The application provides a hoisting and arranging device for large-scale weights, which comprises a fixed frame and a first cross beam, wherein the upper end of the fixed frame is connected with a first supporting part and a second supporting part, and the first supporting part and the second supporting part are oppositely arranged; the first cross beam is erected on the first supporting part and the second supporting part, a plurality of chain blocks are arranged on the first cross beam, the chain blocks are distributed at equal intervals, and the chain blocks are used for hoisting filter press components; wherein, mount bottom four corners department all is provided with tank carrier, thereby make this handling settle utensil have mobility strong, stable in structure, convenient operation, can bear the weight of effectively and possess safe and reliable's characteristics, still can high-efficiently accomplish the installation to full-automatic high pressure diaphragm type plate and frame filter press under the condition that can't use monorail crane, make the engineering can pay attention to on time, work efficiency has been improved, moreover, this handling settle utensil can realize the handling installation to large-scale heavy object in comparatively narrow and small space, greatly reduced the work degree of difficulty of carrying out the equipment of large-scale heavy object in limited space, workman's intensity of labour has greatly been reduced.

(2) The application provides a lifting placement device for large-scale heavy objects, which is characterized in that a plurality of chain blocks hung on a first beam are distributed at equal intervals, the first beam can be uniformly stressed in the process of pulling up and moving equipment parts through the chain blocks, the shaking amplitude of the equipment parts in the moving process can be reduced, and the risk of toppling caused by overlarge shaking amplitude of the equipment parts in the moving process of the lifting placement device is avoided.

Drawings

FIG. 1 is a schematic perspective view of a large-scale weight lifting and positioning device according to an embodiment of the present application;

fig. 2 is a schematic view of a large-sized heavy object carrying a chain block with a hoist according to an embodiment of the present application;

FIG. 3 is a side view of a large weight lifting placement tool in an embodiment of the present application;

FIG. 4 is a schematic view of the installation of a locking jack in an embodiment of the present application;

fig. 5 is a schematic view showing installation of a hoisting and positioning tool for large weight and a hoist in an embodiment of the present application.

In the figure, 1, a fixing frame; 11. a first frame; 12. a second frame; 2a, a first supporting part; 2b, a second supporting part; 21. a vertical rod; 22. a diagonal rod; 3a, a first cross beam; 3b, a second cross beam; 4. chain block; 5. a tank carrier; 6. a first support bar; 7. a second support bar; 81. a first bracket; 82. a second bracket; 9. locking the jackscrew; 101. a wire rope; 102. a hoist; l1, the length of the fixing frame; w1, the width of the fixing frame; h1, the height of the fixing frame.

Detailed Description

Embodiments of the present application are described in further detail below with reference to the accompanying drawings and examples. The following detailed description of the embodiments and the accompanying drawings are provided to illustrate the principles of the application and are not intended to limit the scope of the application, i.e., the application is not limited to the embodiments described.

In the description of the present application, it is to be noted that, unless otherwise indicated, the meaning of "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," and the like are merely used for convenience in describing the present application and to simplify the description, and do not denote or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present application. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present application can be understood as appropriate by those of ordinary skill in the art.

For a better understanding of the present application, the present application is further described below with reference to the drawings and the embodiments:

the inventor performs project operation, namely, 5 full-automatic high-pressure diaphragm type plate-and-frame filter presses are assembled in a three-layer space of a building with a plane of 24 m-64 m, and a hoisting opening is reserved on the side surface of the building, so that each part of the filter press is conveniently conveyed into the building through the hoisting opening. Firstly, each part of the filter press is required to be lifted into a building one by one, and then the installation work of each part of the filter press is completed one by one.

The inventor finds that the difficulty of installing each part of the filter press in a limited space is increased and the working efficiency is seriously reduced because the space of a construction site is relatively narrow and the part of the filter press cannot be conveyed to an installation position by using a single rail crane.

Based on this, the inventor proposes a solution that the present embodiment provides a lifting placement device for large-scale weights, as shown in fig. 1 to 4, the lifting placement device includes a fixing frame 1 and a first cross beam 3a, a first supporting portion 2a and a second supporting portion 2b are connected to an upper end of the fixing frame 1, and the first supporting portion 2a and the second supporting portion 2b are disposed opposite to each other; the first cross beam 3a is erected on the first supporting part 2a and the second supporting part 2b, a plurality of chain blocks 4 are arranged on the first cross beam 3a, the chain blocks 4 are distributed at equal intervals, and the chain blocks 4 are used for hoisting filter press components; wherein, tank carrier 5 is all provided with in mount 1 bottom four corners department.

In some preferred embodiments of the present application, 3 chain blocks 4 are installed on the first beam 3a, and the 3 chain blocks 4 are arranged at equal intervals, where the chain block 4 located in the middle of the other two chain blocks 4 is hung at the middle position of the first beam 3a, so that the stress of the first beam 3a is uniform, and when the large-sized heavy object lifting and placing device is moved, a higher balance can be maintained, and the phenomenon of dumping of the large-sized heavy object lifting and placing device is avoided. In another embodiment, the first cross beam 3a is provided with 4 chain blocks 4, and the 4 chain blocks 4 are equally spaced, and it is worth mentioning that the specific number of the chain blocks 4 in the present application can be selected by those skilled in the art according to actual needs.

In the present embodiment, the fixing frame 1 includes a first frame 11 and a second frame 12, the first frame 11 and the second frame 12 are disposed opposite to each other, the first frame 11 and the second frame 12 are connected by a second beam 3b, and the second beam 3b and the first beam 3a are parallel to each other.

More specifically, the first frame 11 and the second frame 12 are identical in shape and size, the first frame 11 and the second frame 12 are spaced apart from each other by a certain distance, and a space between the first frame 11 and the second frame 12 forms a hanging space for hanging the filter press member.

In this embodiment, in order to enhance the stability of the structure of the lifting and placing device, a first supporting rod 6 is disposed between the first frame 11 and the second beam 3b, an included angle between the first supporting rod 6 and the first frame 11 is an acute angle, a second supporting rod 7 is disposed between the second frame 12 and the second beam 3b, and an included angle between the second supporting rod 7 and the second frame 12 is an acute angle.

In this embodiment, the first supporting part 2a and the second supporting part 2b all include pole setting 21 and diagonal rod 22, and diagonal rod 22 one end is connected with pole setting 21 upper end, and the diagonal rod 22 other end is connected with mount 1 top surface, and the junction surface of pole setting 21 and mount 1 is located the middle part position of mount 1 top surface, design like this, can strengthen the structural rigidity of handling and settle the utensil for the handling is settled the utensil and can be effectively the bearing, makes the handling settle the utensil and has safe and reliable's characteristics, reduces its cracked risk of appearance.

In this embodiment, the first frame 11 and the second frame 12 each include two long sides that are vertically arranged and two short sides that are horizontally arranged, and the two long sides and the short sides are sequentially connected to form a rectangular structure, wherein the first frame 11 and the second frame 12 are each provided with a first bracket 81 and a second bracket 82, one end of the first bracket 81 is connected with the long side, the other end of the first bracket 81 is connected with the short sides, the first brackets 81 are provided with two, the two first brackets 81 are symmetrically arranged, and two ends of the second bracket 82 are respectively connected with the two long sides. By such a design, the structural strength of the first frame 11 and the second frame 12 can be enhanced, and the first frame 11 and the second frame 12 are less likely to deform when the members of the filter press are lifted.

Preferably, the locking jackscrews 9 are inserted on the short sides, reinforcing plates are arranged on the upper end face and the lower end face of the short sides, and the locking jackscrews 9 penetrate through the reinforcing plates and the locking jackscrews 9 respectively and extend outwards to protrude, so that the locking jackscrews 9 are inserted into the ground. By the design, when the lifting placement device carrying part moves to the installation position, the lifting placement device is fixed at the installation position through the locking jackscrew 9, so that the problem that the lifting placement device moves or turns sideways when the filter press part is lifted is avoided.

In the embodiment of the application, the length of the fixing frame 1 is 4-5 m, the width of the fixing frame 1 is 2-3 m, and the height of the fixing frame 1 is 4-6 m. In some preferred embodiments of the application, the length of the holder 1 is 4.5m, the width of the holder 1 is 2m, the height of the holder 1 is 4mm, and the overall height of the handling and positioning device is 5m. In other embodiments, the length of the fixing frame 1 is 5m, the width of the fixing frame 1 is 2.5m, the height of the fixing frame 1 is 5mm, and the overall height of the lifting placement device is 5.5m.

The number of the chain blocks 4 is 3, and the weight of the 3 chain blocks 4 is 4 tons to 5 tons.

Referring to fig. 5, the hoist is connected to a hoist 102 through a wire rope 101, and the hoist is pulled to move by the hoist 102. In order to improve the moving stability of the lifting placement device, two winches 102 are arranged, the two winches 102 are positioned on the same side of the lifting placement device, and the output power of the two winches is the same, so that the lifting placement device can be ensured to move stably, and compared with the case that a single winch 102 is used for pulling the lifting placement device, the probability of pulling deflection when the lifting placement device is pulled by the winches 102 is reduced.

The embodiment of the application also provides a method for installing the filter press under the condition of limited space, which comprises the following steps:

step 1: firstly, unloading equipment according to the installation sequence, and then using a 50-ton automobile crane to hoist and transport all parts of the filter press into a room in sequence by using a transition platform;

it should be noted that, in order to avoid stacking a plurality of components at the lifting opening, in this embodiment, when lifting one component, a 5-ton manual forklift is required to move each component of the filter press into a room for later use.

Step 2: connecting the lifting placement device with a winch, pulling up the component through a chain block 4 in the lifting placement device, and pulling the lifting placement device to an installation position by the winch;

before step 2, the lifting and placing implement is required to be manufactured in advance according to the lifting and placing implement structure in the above-mentioned manner, wherein 4 tank trucks 5 of 30 tons are mounted at the bottom of the fixed frame 1, 2 chain hoists 4 of 5 tons are arranged on the first cross beam 3a, then two 1 ton hoists are arranged at a preset position, and the lifting and placing implement is pulled by the two hoists, so that the filter press component suspended in the lifting and placing implement moves to the mounting position along with the lifting and placing implement.

Step 3: the components are aligned and leveled and then are installed;

wherein, alignment is a process of overlapping the center line of the component with the installation center line designed on the basis; leveling is the process of making the levelness of the component meet the design requirements.

Step 4: and (3) repeating the steps 1 to 3 until all components of the filter press are installed.

When the thrust plate is installed, the thrust plate is firstly moved to the position below the lifting and placing device by using a 5-ton manual forklift, then the thrust plate is pulled up by using 2 5-ton chain blocks 4 on the first cross beam 3a, and then the thrust plate is conveyed to the installation position by using 4 tank bearing vehicles of 30 tons and a winch for primary alignment and leveling.

The thrust plate is also called a tail plate and consists of a thrust plate body and supporting legs. The thrust plate body mainly bears the pressure of the filter press and is propped against the filter plate, and is usually welded by high-quality Q345B steel plates due to high stress, and the thrust plate body also comprises a feeding flange assembly and a washing flange assembly; the feeding flange is connected with an external feeding pump to play a feeding role; the water washing flange is connected with an external water washing pipeline to play a role in washing filter cakes.

It is worth mentioning that, when installing left girder and right girder, left girder and right girder are less than or equal to 1.5mm/1000mm in vertical horizontal error, and horizontal error is less than or equal to 1.5mm/1000mm, and the diagonal deviation is less than or equal to 1.5mm/1000mm, and the parallelism deviation is less than or equal to 3mm, and the straightness deviation is less than or equal to 3.5mm.

It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.

While the application has been described above with reference to the accompanying drawings, it will be apparent that the implementation of the application is not limited by the above manner, and it is within the scope of the application to apply the inventive concept and technical solution to other situations as long as various improvements made by the inventive concept and technical solution are adopted, or without any improvement.

Claims (10)

1. A lifting placement device for large weights, comprising:

a fixing frame (1);

the upper end of the fixing frame (1) is connected with a first supporting part (2 a) and a second supporting part (2 b), and the first supporting part (2 a) and the second supporting part (2 b) are oppositely arranged;

the first cross beam (3 a), the first cross beam (3 a) is erected on the first supporting part (2 a) and the second supporting part (2 b), a plurality of chain blocks (4) are installed on the first cross beam (3 a), the chain blocks (4) are distributed at equal intervals, and the chain blocks (4) are used for hoisting filter press components;

wherein tank carrier (5) are all provided with in mount (1) bottom four corners department.

2. A large weight lifting and positioning apparatus as defined in claim 1, wherein: the fixing frame (1) comprises a first frame body (11) and a second frame body (12), the first frame body (11) and the second frame body (12) are oppositely arranged, the first frame body (11) and the second frame body (12) are connected through a second cross beam (3 b), and the second cross beam (3 b) and the first cross beam (3 a) are parallel to each other.

3. A large weight lifting and positioning apparatus as defined in claim 2, wherein: be provided with first bracing piece (6) between first framework (11) with second crossbeam (3 b), first bracing piece (6) with contained angle between first framework (11) is the acute angle, second framework (12) with be provided with second bracing piece (7) between second crossbeam (3 b), second bracing piece (7) with contained angle between second framework (12) is the acute angle.

4. A large weight lifting and positioning apparatus as defined in claim 1, wherein: the first supporting part (2 a) and the second supporting part (2 b) comprise a vertical rod (21) and an inclined rod (22), one end of the inclined rod (22) is connected with the upper end of the vertical rod (21), the other end of the inclined rod (22) is connected with the top surface of the fixing frame (1), and the connecting surface of the vertical rod (21) and the fixing frame (1) is located in the middle of the top surface of the fixing frame (1).

5. A large weight lifting and positioning apparatus as defined in claim 2, wherein: the first frame body (11) and the second frame body (12) comprise two long sides which are vertically arranged and two short sides which are horizontally arranged, the two long sides and the short sides are sequentially connected to form a rectangular structure, a first support (81) and a second support (82) are arranged in the first frame body (11) and the second frame body (12), one end of the first support (81) is connected with the long sides, the other end of the first support (81) is connected with the short sides, the first supports (81) are provided with two symmetrical first supports (81), and two ends of the second support (82) are respectively connected with the two long sides.

6. A large weight lifting and positioning apparatus as defined in claim 5, wherein: the locking jackscrew (9) is inserted on the short side, reinforcing plates are arranged on the upper end face and the lower end face of the short side, and the locking jackscrew (9) respectively penetrates through the reinforcing plates and the locking jackscrew (9) and extends outwards to protrude, so that the locking jackscrew (9) is inserted into the ground.

7. A large weight lifting and positioning apparatus as defined in claim 1, wherein: the length of the fixing frame (1) is 4 m-5 m, the width of the fixing frame (1) is 2 m-3 m, and the height of the fixing frame (1) is 4 m-6 m.

8. A large weight lifting and positioning apparatus as defined in claim 1, wherein: the chain block (4) is provided with 3, and the weight of 3 chain blocks (4) is 4 tons to 5 tons.

9. A method of installing a filter press with limited space comprising the steps of:

step 1: sequentially transferring all parts of the filter press into a room by using an automobile crane;

step 2: connecting a lifting placement device with a winch, and pulling up a part through a chain block (4) in the lifting placement device, wherein the winch pulls the lifting placement device to an installation position;

step 3: the components are aligned and then installed after being leveled;

step 4: and (3) repeating the steps 1-3 until all components of the filter press are installed.

10. A method of installing a filter press in a space-constrained environment as claimed in claim 9, wherein: when the left main beam and the right main beam are installed, the horizontal error of the left main beam and the right main beam in the longitudinal direction is smaller than or equal to 1.5mm/1000mm, the horizontal error of the horizontal direction is smaller than or equal to 1.5mm/1000mm, the diagonal deviation is smaller than or equal to 1.5mm/1000mm, the parallelism deviation is smaller than or equal to 3mm, and the straightness deviation is smaller than or equal to 3.5mm.