Well lid body device for highway engineering

Abstract

The utility model discloses a well lid body device for highway engineering, and relates to the technical field of highway engineering. The well lid body device for highway engineering comprises a well lid body, a connecting plate and a telescopic structure, a round opening is formed in the top of the well lid body, a stirring round block is arranged in the round opening, a connecting block is fixedly installed at the bottom of the well lid body, a concentric-square-shaped shell is fixedly installed at the bottom of the connecting block, and the connecting plate is fixedly installed on the outer wall of the concentric-square-shaped shell. The four sets of connecting plates are annularly distributed at equal intervals, containing grooves are formed in the connecting plates, supporting strips are slidably installed in the containing grooves, and the telescopic structures are arranged on the stirring round block, the connecting blocks, the concentric-square-shaped shell, the connecting plates and the supporting strips. According to the well lid body device for highway engineering, the well lid body can be conveniently reinforced, compared with the mode that the well lid body is supported only through the edge of the well lid body, the phenomenon that the well lid body is prone to deformation and even fragmentation after being stressed for a long time is avoided, and meanwhile a certain anti-theft effect can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of highway engineering, in particular to a manhole cover device for highway engineering. Background Art

[0002] Chinese document CN203238669U discloses a new type of highway manhole cover, comprising a manhole cover and a manhole cover seat, characterized in that the manhole cover is made of non-metallic material, the manhole cover seat is made of metal material, the manhole cover is mounted on the manhole cover seat, an outward-facing baffle is provided on the bottom edge of the manhole cover, a notch is provided on the edge of the manhole cover seat symmetrical to the baffle, the manhole cover seat is provided with an inner flange ring and an outer flange ring, and the manhole cover is fastened to the manhole cover seat by pins. Compared with the prior art, the present utility model can prevent the manhole cover from being displaced or overturned when a motor vehicle presses against it, and can also prevent the manhole cover seat from being displaced when the road surface is damaged. It has a simple structure and a reasonable design, and can produce good social and economic benefits.

[0003] The above-mentioned new type of highway manhole cover is supported only by the edge of the manhole cover, and is prone to deformation or even breakage after being subjected to stress for a long time. Therefore, a manhole cover device for highway engineering is now proposed. Utility Model Content

[0004] The purpose of the utility model is to provide a manhole cover device for highway engineering, which can solve the problem that the manhole cover is easily deformed or even broken after being subjected to stress for a long time because it is supported only by the edge of the manhole cover.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a manhole cover device for highway engineering, comprising a manhole cover body, a connecting plate and a telescopic structure, a circular opening being provided on the top of the manhole cover body, a dialing round block being provided in the circular opening, a connecting block being fixedly installed on the bottom of the manhole cover body, a circular shell being fixedly installed on the bottom of the connecting block, a connecting plate being fixedly installed on the outer wall of the circular shell, the connecting plates being divided into four groups and distributed in a circular and equidistant manner, a receiving groove being provided on the connecting plate and a support bar being slidably installed therein, the telescopic structure being provided on the dialing round block, the connecting block, the circular shell, the connecting plate and the support bar, and the telescopic structure being used to drive the support bar to extend outward.

[0006] Preferably, two groups of bilaterally symmetrical shifting holes are provided on the top of the shifting round block.

[0007] Preferably, a reinforcement strip is fixedly installed between the top of the connecting plate and the bottom of the manhole cover body to make the connecting plate more stable.

[0008] Preferably, a transverse connecting bar is fixedly installed on the outer wall of the reinforcement bar, and one end of the transverse connecting bar is fixedly connected to the connecting block, thereby further improving the stability of the connecting plate.

[0009] Preferably, the telescopic structure includes a linkage column, a bevel gear, a bevel gear and a threaded rod. The linkage column is fixedly installed at the bottom of the toggle round block. A slot is provided on the connecting block. One end of the linkage column passes through the slot and is rotatably installed on the inner bottom of the circular shell. The bevel gear is fixedly installed on the outer wall of the linkage column. There are four groups of bevel gears and they are distributed in a ring-shaped and equidistant manner. The four groups of bevel gears are rotatably installed on the inner walls of both sides and the front and rear inner walls of the circular shell respectively. A threaded groove is provided on the support bar and the threaded rod is threadedly installed therein. A circular hole is provided on the connecting plate. One end of the threaded rod passes through the circular hole and the circular shell and is fixedly connected to the bevel gear.

[0010] Preferably, an annular opening is provided on the connecting plate, an annular ring is fixedly installed on the outer wall of the threaded rod, and the annular ring is slidably installed in the annular opening to prevent the threaded rod from positional displacement.

[0011] Preferably, an annular groove is provided on the connecting block, and an annular block is fixedly mounted on the outer wall of the linkage column. The annular block is slidably mounted in the annular groove to prevent the linkage column from positional displacement.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] The manhole cover device for highway engineering, through the coordinated use of connecting plates, support bars, linkage columns, bevel gears, bevel gears, threaded rods, annular blocks and annular rings, can drive four groups of support bars to extend outward after the manhole cover body is installed. On the one hand, it is convenient for reinforcing the manhole cover body. Compared with the method of relying solely on the edge of the manhole cover body for support, it avoids the phenomenon that the manhole cover body is prone to deformation or even breakage after being subjected to force for a long time. On the other hand, it can play a certain anti-theft effect, reduce the susceptibility of the manhole cover body to theft, and improve the reliability and practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 It is a front cutaway perspective view of the present invention;

[0017] Figure 3 It is a three-dimensional diagram of the linkage column of the utility model;

[0018] Figure 4 It is a three-dimensional diagram of the circular shell of the utility model.

[0019] Figure numerals: 1. Manhole cover body; 2. Toggle round block; 3. Connecting block; 4. Ring-shaped shell; 5. Connecting plate; 6. Reinforcement bar; 7. Support bar; 8. Telescopic structure; 81. Linkage column; 82. Bevel gear; 83. Bevel gear; 84. Threaded rod; 9. Annular block; 10. Annular ring; 11. Cross-connecting bar. DETAILED DESCRIPTION

[0020] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0021] See also Figure 1-4 The utility model provides a technical solution: a manhole cover device for highway engineering, including a manhole cover body 1, a connecting plate 5 and a telescopic structure 8. A circular opening is opened on the top of the manhole cover body 1, and a toggle round block 2 is arranged in the circular opening. A connecting block 3 is fixedly installed on the bottom of the manhole cover body 1, and a circular shell 4 is fixedly installed on the bottom of the connecting block 3. The connecting plate 5 is fixedly installed on the outer wall of the circular shell 4. The connecting plates 5 are four groups and are equidistantly distributed in a ring shape. An accommodating groove is opened on the connecting plate 5 and a support bar 7 is slidably installed therein. The telescopic structure 8 is arranged on the toggle round block 2, the connecting block 3, the circular shell 4, the connecting plate 5 and the support bar 7. The telescopic structure 8 is used to drive the support bar 7 to extend outward.

[0022] Two groups of symmetrical toggle holes are provided on the top of the toggle round block 2. A reinforcement strip 6 is fixedly installed between the top of the connecting plate 5 and the bottom of the manhole cover body 1. A cross-connecting strip 11 is fixedly installed on the outer wall of the reinforcement strip 6. One end of the cross-connecting strip 11 is fixedly connected to the connecting block 3.

[0023] The telescopic structure 8 includes a linkage column 81, a bevel gear 82, a bevel gear 83 and a threaded rod 84. The linkage column 81 is fixedly mounted on the bottom of the toggle round block 2. A slot is provided on the connecting block 3. One end of the linkage column 81 passes through the slot and is rotatably mounted on the inner bottom of the circular shell 4. The bevel gear 82 is fixedly mounted on the outer wall of the linkage column 81. There are four groups of bevel gears 83 and they are equidistantly distributed in a ring shape. The four groups of bevel gears 83 are rotatably mounted on the inner walls of both sides and the front and rear inner walls of the circular shell 4 respectively. A threaded groove is provided on the support bar 7 and the threaded rod 84 is threadedly mounted therein. A circular hole is provided on the connecting plate 5. One end of the threaded rod 84 passes through the circular hole and the circular shell 4 and is fixedly connected to the bevel gear 83. An annular opening is provided on the connecting plate 5. An annular ring 10 is fixedly mounted on the outer wall of the threaded rod 84. The annular ring 10 is slidably mounted in the annular opening. An annular groove is provided on the connecting block 3. The outer wall of the linkage column 81 is fixedly mounted on the annular block 9 The annular block 9 is slidably installed in the annular groove, and a slot matching the support bar 7 is opened at the appropriate position of the well. The manhole cover body 1 is installed on the well. Then, a suitable wrench is inserted into the two sets of toggle holes, and then the toggle round block 2 and the linkage column 81 are toggled to rotate, thereby driving the rotation of the bevel gear 82, and then meshing to drive the rotation of the four sets of bevel gears 83, thereby driving the rotation of the four sets of threaded rods 84, and then driving the support bar 7 to extend outward and be inserted into the slot. After the manhole cover body 1 is installed, the four sets of support bars 7 can be driven to extend outward respectively. On the one hand, it is convenient to reinforce the manhole cover body 1. Compared with the method of relying solely on the edge of the manhole cover body 1 for support, it avoids the phenomenon that the manhole cover body 1 is easily deformed or even broken after being subjected to force for a long time. On the other hand, it can play a certain anti-theft effect, reduce the situation that the manhole cover body 1 is easy to be stolen, and improve the reliability and practicality of the device.

[0024] Working principle: open a slot matching the support bar 7 at a suitable position in the well, install the manhole cover body 1 on the well, then hold a suitable wrench and insert it into the two sets of toggle holes, then toggle the toggle block 2 and the linkage column 81 to rotate, which then drives the bevel gear 82 to rotate, and then engages to drive the four sets of bevel gears 83 to rotate, which then drives the four sets of threaded rods 84 to rotate, and then drives the support bar 7 to extend outward and be inserted into the slot.

[0025] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A manhole cover device for highway engineering, characterized in that: include: The manhole cover body (1) has a circular opening on its top, a shifting round block (2) is arranged in the circular opening, a connecting block (3) is fixedly installed at the bottom of the manhole cover body (1), and a circular shell (4) is fixedly installed at the bottom of the connecting block (3); A connecting plate (5) is fixedly mounted on the outer wall of the circular shell (4), the connecting plates (5) are in four groups and are distributed in an annular shape with equal spacing, and a receiving groove is provided on the connecting plate (5) and a support bar (7) is slidably mounted therein; The telescopic structure (8) is arranged on the dialing round block (2), the connecting block (3), the circular shell (4), the connecting plate (5) and the supporting bar (7). The telescopic structure (8) is used to drive the supporting bar (7) to extend outward.

2. A manhole cover device for highway engineering according to claim 1, characterized in that: The top of the shifting round block (2) is provided with two groups of shifting holes which are symmetrical on both sides.

3. A manhole cover device for highway engineering according to claim 2, characterized in that: A reinforcement strip (6) is fixedly installed between the top of the connecting plate (5) and the bottom of the manhole cover body (1).

4. A manhole cover device for highway engineering according to claim 3, characterized in that: A transverse connecting strip (11) is fixedly mounted on the outer wall of the reinforcing strip (6), and one end of the transverse connecting strip (11) is fixedly connected to the connecting block (3).

5. A manhole cover device for highway engineering according to claim 4, characterized in that: The telescopic structure (8) comprises a linkage column (81), a bevel gear (82), a bevel gear (83) and a threaded rod (84). The linkage column (81) is fixedly mounted on the bottom of the toggle round block (2). A slot is provided on the connecting block (3). One end of the linkage column (81) passes through the slot and is rotatably mounted on the inner bottom of the circular shell (4). The bevel gear (82) is fixedly mounted on the outer wall of the linkage column (81). The bevel gears (83) are four groups and are distributed in an annular manner with equal spacing. The four groups of bevel gears (83) are rotatably mounted on the inner walls of both sides and the inner walls of the front and rear sides of the circular shell (4). A threaded groove is provided on the support bar (7) and the threaded rod (84) is threadedly mounted therein. A circular hole is provided on the connecting plate (5). One end of the threaded rod (84) passes through the circular hole and the circular shell (4) and is fixedly connected to the bevel gear (83).

6. A manhole cover device for highway engineering according to claim 5, characterized in that: An annular opening is provided on the connecting plate (5), an annular ring (10) is fixedly mounted on the outer wall of the threaded rod (84), and the annular ring (10) is slidably mounted in the annular opening.

7. A manhole cover device for highway engineering according to claim 6, characterized in that: An annular groove is provided on the connecting block (3), and an annular block (9) is fixedly mounted on the outer wall of the linkage column (81), and the annular block (9) is slidably mounted in the annular groove.

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