Auxiliary device facilitating installation of well lid

Abstract

The invention relates to the technical field of municipal construction tools, in particular to an auxiliary device facilitating installation of a well lid. According to the auxiliary device facilitating well lid installation, the well lid can be conveniently and directly hoisted, accurate positioning can be conducted in the placing process, and the well lid installation efficiency is improved. An auxiliary device facilitating installation of a well lid comprises a frame, wheels, a push handle and the like, the front wheel and the rear wheel are rotationally connected to the lower sides of the left portion and the right portion of the frame respectively, and the push handle is connected to the left side of the middle of the frame. According to the well lid hoisting device, by starting an electric push rod, a clamping block can rapidly clamp and disengage a well lid, hoisting of the well lid is facilitated, a sliding rod in a positioning mechanism can be matched with a rotating frame, the well lid can be rapidly moved to the center position of a water drainage opening, and the purposes that the well lid can be conveniently and directly hoisted, and the hoisting efficiency is improved are achieved. And accurate positioning can be conducted in the placing process, and the well lid mounting efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of municipal construction tooling, and particularly relates to an auxiliary device convenient for manhole cover installation. BACKGROUND

[0002] In the construction and maintenance of urban infrastructure, manhole cover installation is an extremely important and frequent work. Manhole covers are widely used in urban roads, residential areas, municipal pipe networks and other places to cover various deep wells, prevent people or objects from falling, and at the same time protect the normal operation of underground pipelines and facilities.

[0003] As shown in a mobile manhole cover installation device with the announcement number CN216426680U, comprising a vehicle body, a plurality of moving wheels are arranged at the bottom of the vehicle body, the mobile manhole cover installation device further comprises a hoisting assembly for installing a manhole cover; the vehicle body is provided with a lifting frame and a lifting drive assembly for driving the lifting frame to lift in the vertical direction, a plurality of lifting hooks are arranged on the lifting frame; the moving wheel comprises a wheel frame and three rollers which are uniformly distributed around the central axis of the wheel frame; the wheel frame is rotatably connected with the vehicle body, and the rollers are respectively rotatably connected with the wheel frame; the device can improve the installation efficiency of the manhole cover to a certain extent by hanging the manhole cover on the lifting ring on the vehicle body and then dragging the vehicle body to move to align and install the manhole cover. However, during use, additional tools need to be installed to hoist the manhole cover, and there is no positioning during alignment, which relies on the workers to adjust the installation position multiple times, resulting in low installation efficiency of the manhole cover and inconvenience.

[0004] Therefore, a convenient manhole cover installation auxiliary device capable of conveniently and directly hoisting the manhole cover and accurately positioning the manhole cover during placement is developed to improve the installation efficiency of the manhole cover. SUMMARY

[0005] In order to overcome the shortcomings of the existing manhole cover installation device, that is, during use, additional tools need to be installed to hoist the manhole cover, and there is no positioning during alignment, which relies on the workers to adjust the installation position multiple times, resulting in low installation efficiency of the manhole cover and inconvenience, the present application provides a convenient manhole cover installation auxiliary device capable of conveniently and directly hoisting the manhole cover and accurately positioning the manhole cover during placement to improve the installation efficiency of the manhole cover.

[0006] The technical scheme is as follows: a convenient manhole cover installation auxiliary device, comprising a frame, wheels, a push handle, a cover hoisting mechanism and a positioning mechanism, the left and right sides of the lower side of the frame are rotatably connected with two front and rear wheels, the left side of the middle part of the frame is connected with the push handle, the frame is provided with the cover hoisting mechanism which can conveniently hoist and place the manhole cover, and the cover hoisting mechanism is provided with the positioning mechanism which can conveniently position the manhole cover.

[0007] Preferably, the lifting cover mechanism includes a mounting base, an electric push rod, a crossbeam, a fixed rod, a fixed shell, a motor, a double-acting screw, a movable plate, a locking block, and a torsion spring. The mounting base is connected to the upper right side of the frame, and the electric push rod is connected to the mounting base. The crossbeam is connected to the telescopic end of the electric push rod. The fixed rod is connected to the lower left side of the crossbeam, and the fixed shell is connected to the lower side of the fixed rod. The motor is connected to the right side of the fixed shell. The double-acting screw is rotatably connected inside the fixed shell and is connected to the output shaft of the motor. The movable plate is threadedly connected to both the left and right sides of the double-acting screw. The movable plate is slidably connected to the fixed shell. The locking block is rotatably connected to the lower part of each movable plate, and two torsion springs are connected between each locking block and the adjacent movable plate.

[0008] Preferably, each of the movable plates is provided with a limiting rod at its lower part.

[0009] Preferably, the system also includes a positioning mechanism for facilitating the positioning of the manhole cover. The positioning mechanism includes guide rails, sleeves, sliding rods, ball bearings, a rotating frame, pressing rails, a moving rod, a limiting plate, a first compression spring, and a second compression spring. Multiple guide rails are connected to the fixed housing. Sleeves are slidably connected to the ends of the guide rails that are far apart from each other. Sliding rods are slidably connected to the lower parts of the sleeves. Ball bearings are rotatably connected to the lower sides of the sliding rods. The second compression spring connects each sliding rod to an adjacent sleeve. The rotating frame is connected to the fixed rod. Multiple pressing rails are connected to the rotating frame. Each pressing rail engages with an adjacent sleeve. The moving rod is slidably connected to the upper front part of the rotating frame. The limiting plate is connected to the rear side of the moving rod. The limiting plate contacts and engages with the fixed rod. The first compression spring connects the moving rod to the rotating frame.

[0010] Preferably, all the extrusion rails are arc-shaped.

[0011] Preferably, both the moving rod and the rotating frame are provided with handles.

[0012] Preferably, the limiting plate is made of ceramic friction material.

[0013] Preferably, the system also includes a stabilizing mechanism to improve placement stability. The stabilizing mechanism includes a fixing member, a lifting frame, connecting rods, support feet, and a third compression spring. The fixing member is connected to the right side of the crossbeam. The lifting frame is slidably connected to the fixing member. Multiple connecting rods are connected to the lower side of the lifting frame. The support feet are connected to the lower side of each connecting rod. The third compression spring is connected between each connecting rod and the frame.

[0014] Preferably, the support feet are all provided with anti-slip texture.

[0015] The beneficial effects of the present invention are as follows: 1. The present invention enables the locking block to quickly engage and disengage from the manhole cover by activating the electric push rod, which facilitates the hoisting of the manhole cover. Furthermore, the manhole cover can be quickly moved to the center position of the drainage outlet by the cooperation of the sliding rod and the rotating frame in the positioning mechanism. This achieves the effect of convenient and direct hoisting of the manhole cover and accurate positioning during placement, thereby improving the efficiency of manhole cover installation.

[0016] This invention moves the crossbeam downwards, causing the lifting frame to move downwards, which in turn moves the connecting rod downwards, bringing the support foot into contact with the ground. The third compression spring is compressed and contracts, and the support foot maintains the stability of the frame. This improves the stability of the frame during the placement of the manhole cover and prevents installation failure caused by the manhole cover deviating from the center of the drainage outlet. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0018] Figure 2 This is a partial three-dimensional structural schematic diagram of the present invention.

[0019] Figure 3 This is a three-dimensional structural diagram of the lifting cover mechanism of the present invention.

[0020] Figure 4 This is a three-dimensional structural diagram of the partially disassembled lifting cover mechanism of the present invention.

[0021] Figure 5 This is a three-dimensional structural diagram of the positioning mechanism of the present invention.

[0022] Figure 6 This is a three-dimensional structural diagram of the positioning mechanism of the present invention.

[0023] Figure 7 This is a three-dimensional structural diagram of the positioning mechanism of the present invention.

[0024] Figure 8 This is a three-dimensional structural diagram of the stabilizing mechanism of the present invention.

[0025] Explanation of reference numerals in the attached drawings: 1. Frame; 2. Wheel; 3. Push handle; 4. Lifting cover mechanism; 41. Mounting base; 42. Electric push rod; 43. Crossbeam; 44. Fixed rod; 45. Fixed shell; 46. Motor; 47. Two-way lead screw; 48. Moving plate; 49. Locking block; 410. Torsion spring; 5. Positioning mechanism; 51. Guide rail; 52. Sleeve; 53. Sliding rod; 54. Ball bearing; 55. Rotating frame; 56. Pressing rail; 57. Moving rod; 58. Limiting plate; 59. First compression spring; 510. Second compression spring; 6. Stabilizing mechanism; 61. Fixing component; 62. Lifting frame; 63. Connecting rod; 64. Support foot; 65. Third compression spring. Detailed Implementation

[0026] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0027] An auxiliary device for facilitating the installation of manhole covers, such as Figures 1-7 As shown, it includes a frame 1, wheels 2, push handle 3, lifting cover mechanism 4 and positioning mechanism 5. The lower sides of the left and right sides of the frame 1 are rotatably connected to the front and rear wheels 2. The push handle 3 is connected to the left side of the middle part of the frame 1. The lifting cover mechanism 4 is provided on the frame 1, and the positioning mechanism 5 is provided on the lifting cover mechanism 4.

[0028] like Figure 3 and Figure 4 As shown, the lifting mechanism 4 includes a mounting base 41, an electric push rod 42, a crossbeam 43, a fixing rod 44, a fixing shell 45, a motor 46, a two-way lead screw 47, a moving plate 48, a locking block 49, and a torsion spring 410. The mounting base 41 is connected to the upper right side of the frame 1, and the electric push rod 42 is connected to the mounting base 41. The crossbeam 43 is connected to the telescopic end of the electric push rod 42. The fixing rod 44 is connected to the lower left side of the crossbeam 43, and the fixing shell 45 is connected to the lower side of the fixing rod 44. 5. The motor 46 is connected to the right side of the fixed housing 45. The bidirectional lead screw 47 is rotatably connected inside the fixed housing 45. The bidirectional lead screw 47 is connected to the output shaft of the motor 46. The moving plate 48 is threadedly connected to both the left and right sides of the bidirectional lead screw 47. The moving plate 48 is slidably connected to the fixed housing 45. The lower part of the moving plate 48 is rotatably connected to the locking block 49. The locking block 49 is connected to the adjacent moving plate 48 by two left and right torsion springs 410.

[0029] When using this invention, firstly, the frame 1 is moved by pushing the handle 3 to move the device to the placement position of the manhole cover to be installed. Then, the electric push rod 42 on the mounting base 41 is activated, causing the telescopic end of the electric push rod 42 to move downward, causing the crossbeam 43 and the fixing rod 44 to move downward, and causing the fixing shell 45 and the moving plate 48 to move downward, so that the locking block 49 passes through the auxiliary mounting hole on the manhole cover. After the locking block 49 passes through the mounting hole, it is manually rotated to make the locking block 49 rotate clockwise on the moving plate 48 until it contacts the limiting rod on the moving plate 48, reaching the maximum rotation angle. The torsion spring 410 deforms. Then, the electric push rod 42 is activated, causing the locking block 49 to move upward, so that the locking block 49 contacts the manhole cover. Under the action of the weight of the manhole cover, the locking block 49 can be firmly locked with the manhole cover, lifting the manhole cover from the placement position. Then, the frame 1 is pushed by the handle 3. Move the manhole cover again to the installation location of the drain outlet, then activate the electric push rod 42 to move the locking block 49 downwards and place the manhole cover on the drain outlet. Then, control the electric push rod 42 to drive the locking block 49 to continue moving downwards. However, after the locking block 49 disengages from the manhole cover, the torsion spring 410 returns to its original deformation, causing the locking block 49 to rotate back to a vertical position on the moving plate 48. Then, activate the electric push rod 42 to retract upwards, removing the locking block 49 from the auxiliary mounting hole of the manhole cover to complete the installation. When installing manhole covers of different sizes, the motor 46 on the fixed shell 45 can be activated to rotate the bidirectional lead screw 47. Under the action of the thread, the moving plate 48 slides on the fixed shell 45. The distance between the moving plate 48 and the locking block 49 can be adjusted to align with the auxiliary mounting holes on different manhole covers. Each moving plate 48 is equipped with a limit rod at the bottom to limit the rotation angle of the locking block 49.

[0030] like Figures 5-7As shown, it also includes a positioning mechanism 5 for facilitating the positioning of the manhole cover. The positioning mechanism 5 includes a guide rail 51, a sleeve 52, a sliding rod 53, a ball bearing 54, a rotating frame 55, a pressing rail 56, a moving rod 57, a limiting piece 58, a first compression spring 59, and a second compression spring 510. Three guide rails 51 are connected to the fixed housing 45. The sleeve 52 is slidably connected to the ends of each guide rail 51 that are far apart from each other. The sliding rod 53 is slidably connected to the lower part of each sleeve 52. The ball bearing 54 is rotatably connected to the lower side of each sliding rod 53. The second compression spring 510 is connected between each sliding rod 53 and an adjacent sleeve 52. The fixed rod 44 is connected to the rotating frame 55, and the rotating frame 55 is connected to three extrusion rails 56. Each extrusion rail 56 is in extrusion engagement with the adjacent sleeve 52. The extrusion rails 56 are all arc-shaped to facilitate the guidance of the sleeve 52. The moving rod 57 is slidably connected to the upper front part of the rotating frame 55. Both the moving rod 57 and the rotating frame 55 are provided with handles for easy pulling and rotation adjustment. The limiting piece 58 is connected to the rear side of the moving rod 57. The limiting piece 58 is made of ceramic friction material and is in contact engagement with the fixed rod 44. The first compression spring 59 is connected between the moving rod 57 and the rotating frame 55.

[0031] When placing the manhole cover on the drain outlet, the positioning mechanism 5 of this device can be used. After pushing the frame 1 and the manhole cover to the drain outlet position, the moving rod 57 can be pulled to slide outward on the rotating frame 55. The first compression spring 59 is compressed and contracted, causing the limiting piece 58 to disengage from the fixed rod 44. Then, the rotating frame 55 can be rotated. Through the compression engagement of the compression rail 56 and the sleeve 52, the sleeve 52 slides inward on the guide rail 51, so that the sleeve 52 contacts the outer wall of the manhole cover suspended on the locking block 49. Then, the moving rod 57 is released, the first compression spring 59 rebounds, causing the moving rod 57 to move back to its original position, so that the limiting piece 58 contacts the fixed rod 44, limiting and fixing the rotating frame 55. After the rotating frame 55 is fixed, the electric push rod 42 is activated first, so that the fixed rod 44 moves downward, so that the guide rail 51 and the sleeve 52 move downward, so that the sliding rod 5... The ball bearing 54 under the third ring contacts the ground near the drain outlet, and the second compression spring 510 is compressed and contracted. Then, by adjusting the position of the frame 1 with the handle, the ball bearing 54 will roll on the ground. By adjusting the sliding rod 53 into the drain outlet, the spring rebounds, causing the sliding rod 53 to slide downwards, so that the lower part of the sliding rod 53 is located in the drain outlet. Then, by rotating the rotating frame 55, the sleeve and the sliding rod 53 move outwards, so that the outer side of the lower part of the sliding rod 53 abuts against the inner wall of the drain outlet. At the same time, the frame 1 and the manhole cover move during the adjustment. Through the three-point positioning method of the three outer sides of the three sliding rods 53, the manhole cover can be accurately positioned in the center of the drain outlet. Then, the electric push rod 42 is activated to remove the sliding rod 53. After adjusting it to the outermost position, the manhole cover can be accurately placed on the drain outlet. This facilitates the direct hoisting of the manhole cover and enables accurate positioning during placement, improving the efficiency of manhole cover installation.

[0032] like Figure 8 As shown, it also includes a stabilizing mechanism 6 to improve placement stability. The stabilizing mechanism 6 includes a fixing member 61, a lifting frame 62, a connecting rod 63, a support foot 64, and a third compression spring 65. The fixing member 61 is connected to the right side of the crossbeam 43. The lifting frame 62 is slidably connected to the fixing member 61. Multiple connecting rods 63 are connected to the lower side of the lifting frame 62. The support foot 64 is connected to the lower side of each connecting rod 63. The third compression spring 65 is connected between each connecting rod 63 and the frame 1. The support foot 64 has anti-slip texture to improve stability.

[0033] During the placement of the manhole cover by activating the electric push rod 42, the crossbeam 43 moves downward, causing the lifting frame 62 to move downward, which in turn causes the connecting rod 63 to move downward, making the support foot 64 contact the ground. The third compression spring 65 is compressed and contracted, and the stability of the frame 1 is maintained by the support of the support foot 64, preventing the frame 1 from moving and causing the manhole cover to deviate from the center position.

[0034] Although the present invention has been described in detail with reference to the above embodiments, it will be apparent to those skilled in the art that various changes or modifications can be made to the invention without departing from the principles and spirit of the invention as defined by the claims. Therefore, the detailed description of the embodiments in this disclosure is for illustrative purposes only and is not intended to limit the invention; rather, the scope of protection is defined by the content of the claims.

Claims

1. An auxiliary device for facilitating the installation of manhole covers, characterized in that, It includes a frame (1), wheels (2), push handle (3), lifting mechanism (4) and positioning mechanism (5). The frame (1) is rotatably connected to the lower left and right sides of the front and rear wheels (2). The push handle (3) is connected to the left side of the middle part of the frame (1). The frame (1) is provided with the lifting mechanism (4) which facilitates the lifting and placement of the manhole cover. The lifting mechanism (4) is provided with the positioning mechanism (5) which facilitates the positioning of the manhole cover.

2. The auxiliary device for facilitating manhole cover installation according to claim 1, characterized in that, The lifting mechanism (4) includes a mounting base (41), an electric push rod (42), a crossbeam (43), a fixing rod (44), a fixing shell (45), a motor (46), a two-way lead screw (47), a moving plate (48), a locking block (49), and a torsion spring (410). The mounting base (41) is connected to the upper right side of the frame (1). The electric push rod (42) is connected to the mounting base (41). The crossbeam (43) is connected to the telescopic end of the electric push rod (42). The fixing rod (44) is connected to the lower left side of the crossbeam (43). The fixing rod (44) is connected to the lower side of the fixing rod (44). The fixed shell (45) is connected to the motor (46) on the right side. The fixed shell (45) is rotatably connected to the bidirectional lead screw (47). The bidirectional lead screw (47) is connected to the output shaft of the motor (46). The left and right sides of the bidirectional lead screw (47) are threadedly connected to the moving plate (48). The moving plate (48) is slidably connected to the fixed shell (45). The lower part of the moving plate (48) is rotatably connected to the locking block (49). The locking block (49) is connected to the adjacent moving plate (48) by two left and right torsion springs (410).

3. The auxiliary device for facilitating manhole cover installation according to claim 2, characterized in that, Each of the movable plates (48) is provided with a limiting rod at the bottom.

4. The auxiliary device for facilitating manhole cover installation according to claim 2, characterized in that, It also includes a positioning mechanism (5) for facilitating the positioning of the manhole cover. The positioning mechanism (5) includes a guide rail (51), a sleeve (52), a sliding rod (53), a ball bearing (54), a rotating frame (55), a pressing rail (56), a moving rod (57), a limiting piece (58), a first compression spring (59), and a second compression spring (510). Multiple guide rails (51) are connected to the fixed housing (45). The sleeve (52) is slidably connected to the ends of the guide rails (51) that are far apart from each other. The sliding rod (53) is slidably connected to the lower part of the sleeve (52). The ball bearing (54) is rotatably connected to the lower side of the sliding rod (53). Each sliding rod (53) is connected to an adjacent sleeve (52) by a second compression spring (510). The fixed rod (44) is connected to a rotating frame (55). The rotating frame (55) is connected to a plurality of extrusion rails (56). Each extrusion rail (56) is extruded into the adjacent sleeve (52). The upper front part of the rotating frame (55) is slidably connected to a moving rod (57). The rear side of the moving rod (57) is connected to a limiting piece (58). The limiting piece (58) is in contact with the fixed rod (44). The moving rod (57) and the rotating frame (55) are connected by a first compression spring (59).

5. The auxiliary device for facilitating manhole cover installation according to claim 4, characterized in that, All extrusion rails (56) are arc-shaped structures.

6. The auxiliary device for facilitating manhole cover installation according to claim 4, characterized in that, Both the moving rod (57) and the rotating frame (55) are equipped with handles.

7. The auxiliary device for facilitating manhole cover installation according to claim 4, characterized in that, The limiting piece (58) is made of ceramic friction material.

8. The auxiliary device for facilitating manhole cover installation according to claim 2, characterized in that, It also includes a stabilizing mechanism (6) that can improve placement stability. The stabilizing mechanism (6) includes a fixing member (61), a lifting frame (62), a connecting rod (63), a support foot (64), and a third compression spring (65). The right side of the crossbeam (43) is connected to the fixing member (61). The lifting frame (62) is slidably connected to the fixing member (61). Multiple connecting rods (63) are connected to the lower side of the lifting frame (62). The support foot (64) is connected to the lower side of each connecting rod (63). The third compression spring (65) is connected between each connecting rod (63) and the frame (1).

9. An auxiliary device for facilitating manhole cover installation according to claim 8, characterized in that, The support feet (64) are all provided with anti-slip textures.

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