CN114909053B

CN114909053B - Manhole cover opening and closing device capable of sliding in curved mode

Info

Publication number: CN114909053B
Application number: CN202210548610.XA
Authority: CN
Inventors: 朱炽钇; 杨佳卫; 张颖
Original assignee: Nantong Rainbow Heavy Machineries Co Ltd
Current assignee: Nantong Rainbow Heavy Machineries Co Ltd
Priority date: 2022-05-20
Filing date: 2022-05-20
Publication date: 2023-04-14
Anticipated expiration: 2042-05-20
Also published as: CN114909053A

Abstract

The invention discloses a manhole cover opening and closing device sliding in a curved manner, relates to the technical field of manhole cover structures, and solves the problems that the damping for pushing a manhole cover is not uniform, the manhole cover is noisy and easy to block; the connecting piece comprises two first bull-eye bearings and two second bull-eye bearings, the first bull-eye bearings are positioned on one side of the track guide plate, and the bearing spherical surfaces of the first bull-eye bearings are sunk into the track notches and are in point contact with two sides of the track notches; and the spherical surface of the second bull's eye bearing is abutted against the other side surface of the track guide plate. The effect that the manhole cover is stably supported on one side, small in side-push damping and smooth and free of jamming when the manhole cover moves in a curved track is achieved.

Description

Manhole cover opening and closing device capable of sliding in curved mode

Technical Field

The invention relates to the technical field of manhole cover structures, in particular to a manhole cover opening and closing device capable of sliding in a curved mode.

Background

The manhole that often uses usually can set up special manhole cover device that opens and shuts, and when space overall arrangement was compact in the cabin, for the space occupation of minimize manhole opening and shutting device, the manhole cover often only allows to open and close with the mode of sliding under unilateral supporting's the condition, and the orbit of moving needs to adjust at any time along with the overall arrangement in space and dodges, and the orbit is many with the curve.

At present, the problems that the damping for pushing a manhole cover is uneven, noise is generated and the manhole cover is blocked easily occur in the using process of similar devices applied to a mobile portal crane at home and abroad, the single-side support of the weak structure is insufficient, the damping is uneven, meanwhile, the guide is difficult due to the curve track, and finally, the left gap and the right gap left and right after multiple uses in the guide process can cause the blockage, so that the problem of unsmooth guide cannot be solved by the conventional device.

Disclosure of Invention

The invention aims to provide a manhole cover opening and closing device capable of sliding in a curved manner, wherein the manhole cover is stably supported on one side, small in side-push damping and smooth and free of blockage when moving in a curved track.

The technical purpose of the invention is realized by the following technical scheme:

a manhole cover opening and closing device capable of sliding in a curved line comprises a manhole cover and a track guide plate, wherein track notches with the same width are formed in the track guide plate, and a connecting piece moving along the track notches is connected to one side of the manhole cover; the connecting piece comprises two first bull-eye bearings and two second bull-eye bearings, the first bull-eye bearings are positioned on one side of the track guide plate, and the bearing spherical surfaces of the first bull-eye bearings are sunk into the track notches and are in point contact with the two sides of the track notches; the spherical surface of the second bull's eye bearing is abutted against the other side surface of the track guide plate, and the second bull's eye bearing and the first bull's eye bearing are distributed in a staggered mode.

Still further, the track notches are continuously curved.

Furthermore, the two first bull-eye bearings are connected to the first bearing seat, the two second bull-eye bearings are connected to the second bearing seat, and the connecting piece further comprises an adjusting piece for controlling the distance between the first bearing seat and the second bearing seat.

Furthermore, the adjusting part comprises a plurality of damping adjusting bolts, and one ends of the damping adjusting bolts are abutted against the outer side surface of the first bearing seat or the outer side surface of the second bearing seat.

Furthermore, one side of the second bearing seat or the first bearing seat is connected with an adjusting plate, and a damping adjusting bolt penetrates through the adjusting plate and is connected with adjusting nuts abutted against two sides of the adjusting plate.

Further, the first bearing seat and the second bearing seat are connected at one side by a kidney-hole fastener.

Furthermore, the waist hole fastener comprises a bolt, and a waist-shaped hole for the bolt to pass through is formed in the first bearing seat and/or the second bearing seat.

Furthermore, the track notch of the track guide plate is detachably connected with two travel limits, and the connecting piece is positioned between the two travel limits.

Further, the manhole cover is connected to the first bearing seat or the second bearing seat.

Furthermore, both ends of the track guide plate are fixed through guide plate fasteners, and the guide plate fasteners comprise heightening sheets for adjusting the height of the manhole cover.

In conclusion, the invention has the following beneficial effects:

1. the invention provides a manhole cover opening and closing device capable of sliding in a curved line, which can provide a function of laterally pushing the opening and closing manhole cover along a continuous curve in a narrow space, solves the problems of difficult curved track guiding, easy blocking and unsmooth damping, and obviously improves the reliability of the device;

2. the invention fully considers the installation and manufacturing cost, has low installation and manufacturing difficulty, can adjust the damping according to the use habit, and obviously improves the use experience.

Drawings

FIG. 1 is a view showing a state of use of a curved sliding manhole cover opening and closing apparatus according to the present invention;

FIG. 2 is a track guide plate of a curvilinear sliding manhole cover opening and closing device of the present invention;

FIG. 3 is a view of the curved sliding manhole cover opening and closing device of the present invention shown in a state before the track guide plate is installed;

figure 4 is a cross-sectional view of a curvilinear sliding manhole cover opening and closing device of the present invention.

In the figure, 1, a manhole cover; 2. a trajectory guide plate; 3. a first bearing housing; 4. a second bearing housing; 5. a first bull's eye bearing; 6. a second bull's eye bearing; 7. a damping adjusting bolt; 8. a waist hole fastener; 9. limiting the stroke; 10. a deflector fastener.

Detailed description of the preferred embodiments

The following description will further describe the embodiments of the present invention with reference to the accompanying drawings, which are not intended to limit the present invention.

The utility model provides a manhole cover device that opens and shuts that curve slided, as shown in fig. 1, including manhole cover 1 and orbit deflector 2, manhole cover 1 installs on orbit deflector 2 and moves along it, and 2 both ends of orbit deflector are fixed through deflector fastener 10, and in this embodiment, deflector fastener 10 includes and is used for adjusting the bed hedgehopping piece of 1 height of manhole cover on bolt and the bolt, finely tunes manhole cover 1 height through the bed hedgehopping, is favorable to controlling the clearance.

As shown in fig. 2, the track guide plate 2 is provided with track notches of equal width, and the track notches are continuous curves. The continuous equal-width notches are made along the moving track, so that the manhole cover 1 can complete the opening and closing actions on the moving track, and the track can be any continuous curve or straight line according to actual needs, and the example takes a section of continuous arc curve as an example.

As shown in fig. 1 and 3, one side of the manhole cover 1 is connected with a connecting piece which moves along a track notch, two stroke limits 9 (two bolts) are detachably connected in the track notch of the track guide plate 2, and the connecting piece is positioned between the two stroke limits 9; the connecting piece comprises two first bull's eye bearings 5 and two second bull's eye bearings 6,

the first bull's eye bearing 5 is positioned on one side (upper side) of the track guide plate 2, and the bearing spherical surface of the first bull's eye bearing sinks into the track notch and is in point contact with two sides of the track notch; the second bull's eye bearing 6 and the first bull's eye bearing 5 are distributed in a staggered manner, so that the spherical surface of the second bull's eye bearing abuts against the upper side (lower side) of the other side surface of the track guide plate 2;

the first bull's eye bearing 5 provides a supporting and guiding function, the second bull's eye bearing 6 provides a supporting function, the first bull's eye bearing 5 sinks into the notch of the track guide plate 2 from the upper side of the notch of the track guide plate 2 by using a part of the spherical surface of the bearing to form point contact symmetrical along the central line of the notch, so that the moving tracks of the two first bull's eye bearings 5 are completely superposed with the central line of the notch, and the guiding on a curved track is realized; and the spherical surface of the second bull's eye bearing 6 contacts the face plate of the track guide 2 from the underside of the track guide 2 to provide support;

through two first bull's eye bearings 5, provide two pairs of point contacts along notch central line symmetry, restricted first bull's eye bearing 5 and can only follow the notch central line and remove, avoided gathering about in the removal and move the problem, the rocking of apron also can not produce the interference to bearing direction itself.

As shown in fig. 4, two first bull eye bearings 5 are fixed on a horizontal first bearing seat 3 through bolt connection, two second bull eye bearings 6 are fixed on a horizontal second bearing seat 4 through bolt connection, the bearings are mounted on the bearing seats to ensure rigidity and mounting accuracy, self rigidity of the upper and lower bearing seats can ensure good contact between the spherical surfaces of the bearings and the notches, stable and reliable guiding and supporting are realized, and the manhole cover 1 can be mounted on the first bearing seat 3 or the second bearing seat 4 through hoisting and other modes.

As shown in fig. 4, the connecting member further includes an adjusting member for controlling the distance between the first bearing housing 3 and the second bearing housing 4; the adjusting piece comprises a plurality of damping adjusting bolts 7, and one end of each damping adjusting bolt 7 is abutted against the outer side surface of the first bearing seat 3 or the second bearing seat 4;

specifically, in the embodiment, the manhole cover 1 is connected to the outer side of the second bearing seat 4 through the bolt, and the scheme has the advantages of stable operation, small damping, no noise, great improvement of rigidity and capability of bearing the manhole cover 1 with a larger size;

the main bodies of the first bearing seat 3 and the second bearing seat 4 are L-shaped processed by a whole plate bending machine, so that the main bodies are bent into a horizontal panel and a vertical panel which are perpendicular to each other; the horizontal panel is used for connecting corresponding bearings, and the vertical panel is positioned on one side away from the manhole cover 1 and used for connecting the first bearing seat 3 and the second bearing seat 4 with each other;

the vertical panel of the second bearing seat 4 is longer than that of the first bearing seat 3 and abuts against the outer side of the connecting plate of the first bearing seat 3, so that the second bearing seat 4 (vertical panel side) extends upwards out of the first bearing seat 3, and two horizontal adjusting plates positioned at the upper side of the first bearing seat 3 are vertically welded and fixed at the extending position,

the two damping adjusting bolts 7 penetrate through the corresponding adjusting plates respectively, adjusting nuts which are abutted to the upper side and the lower side of the adjusting plates are connected to the damping adjusting bolts 7 through threads, so that the upper position and the lower position of the damping adjusting bolts 7 are adjusted and abutted to the upper side face of the first bearing seat 3, the distance between the two bearing seats is controlled, and damping during sliding is finely adjusted.

As shown in fig. 4, in order to adjust the distance between the two bearing seats, one side of the first bearing seat 3 is connected to one side of the second bearing seat 4 through a waist-hole fastener 8, and the waist-hole fastener 8 includes a bolt.

The installation process comprises the following steps:

in first bearing frame 3 and second bearing frame 4, its vertical panel part passes through waist hole fastener 8 interconnect earlier, does not screw up waist hole fastener 8 earlier after the bearing sphere all falls to the position for first bearing frame 3 and second bearing frame 4 height are in the state that can finely tune, and rethread screws up and becomes flexible damping adjusting bolt 7, adjusts the damping when manhole cover 1 side pushes away the slip, screws up waist hole fastener 8 to the satisfied back and accomplishes the installation of upper and lower bearing frame.

While the invention has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention.

Claims

1. The utility model provides a manhole cover device that opens and shuts that curve slided which characterized in that: the manhole cover comprises a manhole cover (1) and a track guide plate (2), wherein track notches with the same width are formed in the track guide plate (2), and a connecting piece moving along the track notches is connected to one side of the manhole cover (1); the connecting piece comprises two first bull-eye bearings (5) and two second bull-eye bearings (6), the first bull-eye bearings (5) are positioned on one side of the track guide plate (2), and the bearing spherical surfaces of the first bull-eye bearings are sunk into the track notches and are in point contact with two sides of the track notches; the spherical surface of the second bull's eye bearing (6) abuts against the other side surface of the track guide plate (2), and the second bull's eye bearing (6) and the first bull's eye bearing (5) are distributed in a staggered mode;

two first bull's eyes bearings (5) are connected in first bearing frame (3), and two second bull's eyes bearings (6) are connected in second bearing frame (4), the connecting piece still including being used for controlling the regulating part of interval between first bearing frame (3) and the second bearing frame (4).

2. The curvilinear sliding manhole cover opening and closing device according to claim 1, wherein: the track notches are continuous curves.

3. The curvilinear sliding manhole cover opening and closing device according to claim 1, wherein: the adjusting piece comprises a plurality of damping adjusting bolts (7), and one end of each damping adjusting bolt (7) abuts against the outer side face of the first bearing seat (3) or the outer side face of the second bearing seat (4).

4. The curvilinear sliding manhole cover opening and closing device according to claim 3, wherein: one side of the second bearing seat (4) or the first bearing seat (3) is connected with an adjusting plate, and a damping adjusting bolt (7) penetrates through the adjusting plate and is connected with adjusting nuts abutted to two sides of the adjusting plate.

5. The curvilinear sliding manhole cover opening and closing device according to claim 1, wherein: one sides of the first bearing seat (3) and the second bearing seat (4) are connected through a waist hole fastener (8).

6. The curvilinear sliding manhole cover opening and closing device according to claim 5, wherein: the waist hole fastener (8) comprises a bolt, and a waist-shaped hole for the bolt to pass through is formed in the first bearing seat (3) and/or the second bearing seat (4).

7. The curvilinear sliding manhole cover opening and closing device according to claim 1, wherein: the track guide plate is characterized in that two stroke limit parts (9) are detachably connected in a track groove of the track guide plate (2), and the connecting piece is positioned between the two stroke limit parts (9).

8. The curvilinear sliding manhole cover opening and closing device according to claim 1, wherein: the manhole cover (1) is connected to the first bearing seat (3) or the second bearing seat (4).

9. The curvilinear sliding manhole cover opening and closing device according to claim 1 or 7, wherein: the two ends of the track guide plate (2) are fixed through guide plate fasteners (10), and the guide plate fasteners (10) comprise heightening pieces for adjusting the height of the manhole cover (1).