Self-made manhole support

Abstract

The self-made manhole support comprises a supporting device and a switching device, the switching device is connected with a manhole cover plate, the supporting device comprises a bottom frame, a top frame, first connecting columns and second connecting columns, the top frame is obliquely arranged and is parallel to the manhole cover plate, the two first connecting columns are connected with one end of the bottom frame and one end of the top frame, and the two second connecting columns are connected with the other end of the top frame. According to the manhole cover plate bolt dismantling device, the bolts of the manhole cover plate can be dismantled only by one person in a small space, and manpower is greatly saved.

Description

Technical Field

[0001] The utility model relates to the field of circulating fan maintenance, and more specifically to a self-made manhole bracket. Background Art

[0002] During the routine maintenance of waste heat power generation in the ironmaking operation area of ​​the Jingtang Operation Department, circulating fan maintenance is one of the main supporting projects. In the daily production process, the rotor and support need to be replaced and the rotor needs to be welded when the rotor is worn. After the equipment is shut down, the manholes on both sides of the fan and the manhole below need to be opened for personnel to enter the construction. Due to the narrow construction site and the circular manhole diameter of 1.3m, the manhole below cannot be dragged by hand winches during construction, and there is no lifting point. Three people are required to drag the manhole from the bottom and on both sides to remove the stud bolts. The traditional way of removing the manhole is time-consuming and labor-intensive. Utility Model Content

[0003] To solve the above problems, the utility model adopts the following technical solutions.

[0004] The utility model discloses a self-made manhole bracket, comprising a supporting device and a switching device, wherein the switching device is connected with the manhole cover, the supporting device comprises a bottom frame, a top frame, a first connecting column and a second connecting column, the top frame is tilted, the top frame is parallel to the manhole cover, two first connecting columns connect the bottom frame and one end of the top frame, two second connecting columns connect the bottom frame and the other end of the top frame, and the top frame is connected to the switching device by bolts.

[0005] Furthermore, the adapter device includes 4 connecting blocks and 2 connecting rods, wherein the two connecting blocks are vertically connected to the manhole cover, the connecting rod is connected to the bottom of the two connecting blocks, the two connecting rods are parallel, two mounting holes are provided at one point of the two connecting rods, and the connecting rod is connected to the top frame by bolts.

[0006] Furthermore, the connecting block is welded to the manhole cover plate, the connecting rod one is an angle steel, the connecting rod one includes plate one and plate two, plate one is perpendicular to plate two, plate one is welded to the bottom of the connecting block, plate two is vertically arranged, and plate two faces the other connecting rod one.

[0007] Furthermore, the bottom frame and the top frame are both rectangular structures, the connecting column 1 and the connecting column 2 are vertically arranged, the width of the bottom frame and the top frame are equal, and the width of the bottom frame and the top frame is equal to the distance between the two connecting rods 1.

[0008] Furthermore, the length of connecting column one is greater than that of connecting column two, a reinforcing column one is provided between the top of one connecting column one and the bottom of another connecting column one, a reinforcing column two is provided between the bottom of connecting column one and the top of connecting column two, a reinforcing column three is provided between the top of one connecting column two and the bottom of another connecting column two, the length of reinforcing column one is greater than that of reinforcing column two, and the length of reinforcing column two is greater than that of reinforcing column three.

[0009] Furthermore, four supporting reinforcement rods are provided at the bottom of the chassis.

[0010] Beneficial Effects

[0011] Compared with the prior art, the advantages of the present invention are:

[0012] The utility model only needs one person to operate in a small space, and the bolts of the manhole cover plate can be removed without holding the manhole cover plate, thus greatly saving manpower. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of an embodiment of the utility model.

[0014] Figure 2 This is a schematic diagram of an application of an embodiment of the utility model.

[0015] Figure 3 This is a schematic diagram of the connection between the adapter device and the manhole cover plate in one embodiment of the utility model.

[0016] Figure 4 It is a schematic diagram of a supporting device according to an embodiment of the utility model. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0018] As shown in the figure, the utility model discloses a self-made manhole bracket, including a supporting device 1 and an adapter device 2, the adapter device 2 is connected to the manhole cover 3, the supporting device 1 includes a base frame 4, a top frame 5, a connecting column 1 6 and a connecting column 2 7, the top frame 5 is inclined, the top frame 5 is parallel to the manhole cover 3, two connecting columns 1 6 connect the base frame 4 and one end of the top frame 5, two connecting columns 2 7 connect the base frame 4 and the other end of the top frame 5, and the top frame 5 is connected to the adapter device 2 by bolts 8.

[0019] When the utility model is used, the adapter device 2 is first installed on the manhole cover plate 3. The diameter of the manhole cover plate 3 is greater than 1.3m, so in normal use, the relative size of the support device is small, and the support device 1 will not interfere with the application of the manhole cover plate 3. When maintenance is required, the support device 1 is pushed to the adapter device 2, some bolts on the manhole cover plate 3 are removed, and the support device 1 and the adapter device 2 are connected with the bolts, and then the other bolts on the manhole cover plate 3 are removed. After the removal is completed, the manhole cover plate can be removed by moving the utility model, which is convenient for maintenance. In the entire process of removing the manhole cover plate, only one operator is needed, which saves time and effort.

[0020] In one embodiment of the utility model, the adapter 2 includes four connecting blocks 9 and two connecting rods 10, wherein the two connecting blocks 9 are vertically connected to the manhole cover 3, the connecting rod 10 is connected to the bottom of the two connecting blocks 9, the two connecting rods 10 are parallel, two mounting holes 101 are provided at the two connecting rods 10, and the connecting rod 10 is connected to the top frame 5 by bolts. When not under maintenance, the connecting rod 1 is separated from the top frame. When the manhole cover 3 needs to be removed for maintenance, the top frame 5 and the connecting rod 10 are connected. The connecting block 9 can also use an L-shaped angle steel. The function of the connecting block 9 is to connect the connecting rod 1 and the manhole cover 3, and the connecting rod 10 is used to connect the connecting block 9 and the supporting device 1.

[0021] In one embodiment of the utility model, the connecting block 9 is welded to the manhole cover plate 3, the connecting rod 10 is an angle steel, the connecting rod 10 includes a plate 102 and a plate 103, the plate 102 is perpendicular to the plate 103, the plate 102 is welded to the bottom of the connecting block 9, the plate 2 103 is vertically arranged, and the plate 2 103 faces the other connecting rod 1.

[0022] In an embodiment of the utility model, the bottom frame 4 and the top frame 5 are both rectangular structures, the connecting column 1 6 and the connecting column 2 7 are vertically arranged, the bottom frame 4 and the top frame 5 have the same width, and the width of the bottom frame 4 and the top frame 5 is equal to the distance between the two connecting rods 10. In this way, before dismantling, the support device 1 is pushed between the connecting rods 10, so that the connecting rods 10 and the support device 1 can be conveniently connected by bolts.

[0023] In an embodiment of the utility model, the length of the connection column 1 6 is greater than the length of the connection column 2 7, a reinforcing column 1 11 is provided between the top of one connection column 1 6 and the bottom of another connection column 1 6, a reinforcing column 2 12 is provided between the bottom of the connection column 1 6 and the top of the connection column 2 7, a reinforcing column 3 13 is provided between the top of one connection column 2 7 and the bottom of another connection column 2 7, the length of the reinforcing column 1 is greater than the length of the reinforcing column 2, and the length of the reinforcing column 2 is greater than the length of the reinforcing column 3. The reinforcing column 1 11, the reinforcing column 2 12 and the reinforcing column 3 13 play the role of reinforcing the supporting device.

[0024] In one embodiment of the utility model, four support reinforcement rods 14 are provided at the bottom of the chassis 4. The support reinforcement rods 14 play a role of strengthening support to prevent shaking back and forth during operation.

[0025] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. A self-made manhole bracket, characterized in that: It includes a supporting device and a switching device, the switching device is connected to the manhole cover, the supporting device includes a base frame, a top frame, a connecting column 1 and a connecting column 2, the top frame is arranged obliquely, the top frame is parallel to the manhole cover, two connecting columns 1 connect the base frame and one end of the top frame, two connecting columns 2 connect the base frame and the other end of the top frame, and the top frame is connected to the switching device by bolts.

2. A self-made manhole bracket according to claim 1, characterized in that: The transfer device includes 4 connecting blocks and 2 connecting rods, wherein the 2 connecting blocks are vertically connected to the manhole cover, the connecting rod is connected to the bottom of the 2 connecting blocks, the 2 connecting rods are parallel, 2 mounting holes are provided at one point of the 2 connecting rods, and the connecting rod is connected to the top frame by bolts.

3. A self-made manhole bracket according to claim 2, characterized in that: The connecting block is welded to the manhole cover plate, the connecting rod one is an angle steel, the connecting rod one includes a plate one and a plate two, the plate one is perpendicular to the plate two, the plate one is welded to the bottom of the connecting block, the plate two is vertically arranged, and the plate two faces the other connecting rod one.

4. A self-made manhole bracket according to claim 3, characterized in that: The bottom frame and the top frame are both rectangular structures, the connecting column 1 and the connecting column 2 are vertically arranged, the bottom frame and the top frame have the same width, and the width of the bottom frame and the top frame is equal to the distance between the two connecting rods 1.

5. A self-made manhole bracket according to claim 4, characterized in that: The length of connecting column one is greater than that of connecting column two, a reinforcing column one is provided between the top of one connecting column one and the bottom of another connecting column one, a reinforcing column two is provided between the bottom of connecting column one and the top of connecting column two, a reinforcing column three is provided between the top of one connecting column two and the bottom of another connecting column two, the length of reinforcing column one is greater than that of reinforcing column two, and the length of reinforcing column two is greater than that of reinforcing column three.

6. A self-made manhole bracket according to claim 1, characterized in that: The bottom of the chassis is provided with 4 support reinforcement bars.

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