CN219906932U

CN219906932U - Manhole cover opening tool

Info

Publication number: CN219906932U
Application number: CN202321719175.9U
Authority: CN
Inventors: 欧阳蔚; 黄荣敏; 牛迭海; 成涛; 张爱红
Original assignee: Yangtze Ecology and Environment Co Ltd
Current assignee: Yangtze Ecology and Environment Co Ltd
Priority date: 2023-07-03
Filing date: 2023-07-03
Publication date: 2023-10-27
Anticipated expiration: 2033-07-03

Abstract

The utility model provides a well lid opening tool, which comprises a supporting rack, two support frames are installed respectively at the both ends of first crossbeam, the truckle is installed to the bottom of support frame, the top of first crossbeam is equipped with the second crossbeam, be connected through the jack between first crossbeam and the second crossbeam, be equipped with the spout respectively that corresponds about first crossbeam and the second crossbeam, two pull rods respectively vertically pass the spout on first crossbeam and the second crossbeam, the lower extreme of pull rod is equipped with spacing portion, the upper end of pull rod is equipped with the external screw thread, install two slides on the second crossbeam, the slide is passed respectively to the upper end of two pull rods, the nut is located the upside of slide and connects soon on the external screw thread. The upper end of pull rod connects soon through external screw thread and nut, is convenient for adjust the length of pull rod, and the bottom of support frame is equipped with the truckle, lifts the back of opening with the well lid, shifts out the well seat through the truckle, labour saving and time saving, convenient to use.

Description

Manhole cover opening tool

Technical Field

The utility model relates to the technical field of municipal engineering, in particular to a well lid opening tool.

Background

Pipe network well lid or sewage treatment plant well lid on urban road have more thick well lids of adoption, have reserved two waist holes on this kind of well lid, in long-term use, earth passes through the gap between rainwater entering well lid and the well seat to roll for a long time through the vehicle, the well lid is difficult to open.

At present, when the well lid is opened, two pull rods are respectively inserted into the waist-shaped holes, the pull rods are provided with circular rings, the cross beam is inserted into the circular rings of the two pull rods, then two jacks are respectively arranged on two sides of the cross beam, the jacks are placed on the ground, the piston rod ends of the jacks are propped against the lower side of the cross beam, and the cross beam is lifted up through two simultaneous operation jacks, so that the well lid is lifted up. The method can open the well cover, but when in operation, because the length of the existing pull rod is fixed, for the well covers with different thicknesses, a cushion block is sometimes required to be placed below the jack to enable the jack to be abutted against the cross beam, and after the well cover is lifted and opened, a plurality of people are required to lift the well cover out of the well seat, so that the well cover is very inconvenient to use.

Disclosure of Invention

The utility model aims to solve the technical problems that: the problem that exists among the above-mentioned background art is solved, provides a well lid opening tool, and the upper end of the device pull rod is screwed through external screw thread and nut, is convenient for adjust the length of pull rod, and the bottom of support frame is equipped with the truckle, lifts the well lid and opens the back, shifts out the well seat through the truckle, labour saving and time saving, convenient to use. And the positions of the two pull rods can be moved and adjusted, so that the well covers with different specifications and sizes are met.

In order to achieve the technical characteristics, the aim of the utility model is realized in the following way: the utility model provides a well lid opening tool, includes the support frame, two the support frame is installed respectively at the both ends of first crossbeam, and the truckle is installed to the bottom of support frame, and the top of first crossbeam is equipped with the second crossbeam, is connected through the jack between first crossbeam and the second crossbeam, be equipped with the spout respectively that corresponds about first crossbeam and the second crossbeam, two pull rods respectively fore-and-aft spout on passing first crossbeam and the second crossbeam, the lower extreme of pull rod is equipped with spacing portion, and the upper end of pull rod is equipped with the external screw thread, installs two slides on the second crossbeam, and the slide is passed respectively to the upper end of two pull rods, and the nut is located the upside of slide and connects soon on the external screw thread.

The support frame includes roof, bracing and sill bar, and two bracing are the splayed and install between roof and sill bar, and the both ends of first crossbeam are fixed mounting respectively in the roof top of two support frames.

The first beam and the second beam have the same structure, the second beam comprises two section steel, an interval is reserved between the two section steel to form the chute, and the end parts of the two section steel are fixedly connected through a sealing plate.

The bottom of jack is installed the fixed plate, and the mount pad is installed at the piston rod top of jack, and the downside and the first crossbeam fixed connection of fixed plate, the top and the second crossbeam of mount pad are connected fixedly.

The first cross beam is provided with two guide seats in a sliding manner, and the two pull rods respectively pass through the guide seats in a sliding manner; the guide seat comprises limiting plates and connecting columns, the two limiting plates are respectively located at two ends of the connecting columns, guide holes are longitudinally formed in the guide seat, the two limiting plates are respectively located at the upper side and the lower side of the first cross beam, the connecting columns are located in the sliding grooves, and the pull rod penetrates through the guide holes.

The pull rod is provided with a plurality of limiting holes at the lower side of the external thread.

The utility model has the following beneficial effects:

1. the upper end of pull rod connects soon through external screw thread and nut, is convenient for adjust the length of pull rod, and the bottom of support frame is equipped with the truckle, lifts the back of opening with the well lid, shifts out the well seat through the truckle, labour saving and time saving, convenient to use. Because the interval between two waist type holes on the different specification size well covers may be different, the positions of two pull rods can be adjusted through the sliding groove movement, thereby satisfying the well covers of different specification sizes.

2. The guide seat is slidably mounted on the first cross beam, two guide seats are arranged, two pull rods respectively slide to pass through the guide seats, the guide seats are arranged to guide the railing, and uneven stress of the two pull rods is prevented, so that the second cross beam is inclined.

3. The pull rod is provided with a plurality of limiting holes at the downside that is located the external screw thread, and the limiting holes is used for fixing a position to the position of pull rod for the jack can't all jack up the condition of well lid in a stroke.

Drawings

Fig. 1 is a schematic diagram of a front view structure of the present utility model.

Fig. 2 is a schematic left-view structure of the present utility model.

FIG. 3 is a schematic view of the cross-sectional structure A-A in FIG. 1.

Fig. 4 is a schematic structural view of a guide seat according to the present utility model.

Fig. 5 is a schematic view of the present utility model in use.

In the figure: the well cover 10 comprises a support frame 1, diagonal braces 11, a top plate 12, a bottom rod 13, casters 2, a first cross beam 3, a second cross beam 4, profile steel 41, a sealing plate 42, a sliding chute 43, a jack 5, an installation seat 51, a fixing plate 52, a pull rod 6, a limiting part 61, external threads 62, a limiting hole 63, a sliding seat 7, a nut 8, a guide seat 9, a limiting plate 91, a connecting column 92, a guide hole 93 and a well cover 10.

Detailed Description

Embodiments of the present utility model will be further described with reference to the accompanying drawings.

Referring to fig. 1-5, a well lid opening tool comprises a supporting frame 1, wherein two supporting frames 1 are respectively arranged at two ends of a first cross beam 3, casters 2 are arranged at the bottom of the supporting frame 1, a second cross beam 4 is arranged above the first cross beam 3, the middle part between the first cross beam 3 and the second cross beam 4 is connected through a jack 5, sliding grooves 43 are respectively arranged on the upper side and the lower side of the first cross beam 3 and the second cross beam 4 correspondingly, two pull rods 6 are positioned at two sides of the jack 5 and respectively longitudinally penetrate through the sliding grooves 43 on the first cross beam 3 and the second cross beam 4, a limiting part 61 is arranged at the lower end of each pull rod 6, external threads 62 are arranged at the upper end of each pull rod 6, two sliding seats 7 are arranged on each second cross beam 4, the upper ends of each pull rod 6 respectively penetrate through the sliding seat 7, and nuts 8 are positioned at the upper sides of the sliding seats 7 and are screwed on the external threads 62. The second cross beam 4 is lifted by the jack 5, so that two pull rods 6 are lifted simultaneously, one person can operate the second cross beam, the upper ends of the pull rods 6 are screwed with nuts 8 through external threads 62, the length of the pull rods is convenient to adjust, the bottom of the support frame 1 is provided with casters 2, after the well lid 10 is lifted and opened, the well seat is moved out by the casters 2, and the well lid lifting device is time-saving, labor-saving and convenient to use. Since the intervals between the two waist-shaped holes on the well covers 10 with different specifications and sizes may be different, the positions of the two pull rods 6 can be movably adjusted through the sliding groove 43, so that the well covers with different specifications and sizes are met.

In fig. 1, a construction using one jack 5 is shown. Of course, a structure of two jacks 5 may be adopted, for example, two jacks 5 are respectively installed at both ends between the first beam 3 and the second beam 4.

Referring to fig. 2, the support frame 1 includes a top plate 12, inclined struts 11 and a bottom rod 13, wherein the two inclined struts 11 are splayed and are installed between the top plate 12 and the bottom rod 13, and two ends of the first cross beam 3 are respectively and fixedly installed above the top plates 12 of the two support frames 1, so that the structure is simple and stable. The support frame 1 may be a rectangular frame, instead of the above-described structure.

Referring to fig. 1 and 3, the first beam 3 and the second beam 4 have the same structure, the second beam 4 includes two section steel 41, a space is reserved between the two section steel 41 to form the chute 43, and the ends of the two section steel 41 are fixedly connected through a sealing plate 42. Simple structure and convenient manufacture.

Referring to fig. 1 and 2, a fixing plate 52 is installed at the bottom of the jack 5, a mounting seat 51 is installed at the top of a piston rod of the jack 5, the lower side of the fixing plate 52 is fixedly connected with the first cross beam 3, and the top of the mounting seat 51 is fixedly connected with the second cross beam 4. The jack can be conveniently installed through the structure. Specifically, the fixed plate 52 is welded on the upper side of the first beam 3, the bottom of the jack 5 is mounted on the fixed plate 52 through a bolt, the lower side of the mounting seat 51 is a connecting sleeve, the upper side is provided with a mounting plate, the mounting seat 51 is screwed or sleeved on the top of a piston rod of the jack 5 through the connecting sleeve, and the mounting plate can be welded or mounted on the lower side of the second beam 4 through a bolt. The mounting seat 51 is a piston rod mounting structure commonly used in the prior art, and will not be described herein.

Referring to fig. 1, 3 and 4, the first cross beam 3 is provided with two guide seats 9 in a sliding manner, the two pull rods 6 respectively slide through the guide seats 9, the guide seats 9 are arranged to guide the railing 6, and uneven stress of the two pull rods 6 is prevented, so that the second cross beam 4 is inclined.

Specifically, referring to fig. 4, the guide seat 9 includes a limiting plate 91 and a connecting post 92, the two limiting plates 91 are respectively located at two ends of the connecting post 92, a guide hole 93 is longitudinally formed in the guide seat 9, the two limiting plates 91 are respectively located at the upper side and the lower side of the first cross beam 3, the connecting post 92 is located in the chute 43, and the pull rod 6 passes through the guide hole 93.

Referring to fig. 1, the pull rod 6 is provided with a plurality of limiting holes 63 at the lower side of the external thread 62, and the limiting holes 63 are used for positioning the position of the pull rod 6, so that the jack can not fully lift the well cover 10 in one stroke. In use, the pull rod is fixed by inserting the pin shaft into the limit hole 63.

The working principle of the utility model is as follows:

when the tool is used, referring to fig. 5, the tool is moved to the position above the well lid 10 to be opened, at this time, the jack 5 is in a retracted state, the nut 8 is rotated upwards, the pull rod is moved downwards, the position of the pull rod 6 is adjusted, the limit part 61 at the lower end of the pull rod 6 extends into the waist-shaped hole of the well lid 10, and then the pull rod is rotated for 90 degrees, so that the limit part 61 is limited below the waist-shaped hole. Then the nuts 8 are screwed down, the pull rods 6 are moved up, and the positions of the two pull rods are adjusted at the same time, so that the distances between the two pull rods 6 and the jack 5 are approximately the same. The jack is manually operated to lift the second cross beam 4, and the second cross beam 4 simultaneously lifts the two pull rods 6, so that the well lid 10 is lifted out of the well seat. Then, the support frame 1 is pushed to move the well cover out of the well seat.

In the lifting process, if the jack 5 cannot fully lift the well lid 10 in one stroke, at this time, a pin is inserted into the limiting hole 63 of the upper side of the first beam 3 of the pull rod 6, the pull rod 6 is limited on the first beam 3, then the jack 5 is retracted, the second beam 4 moves downwards, the nut 8 is screwed down, the lifting jack 5 is operated, and the second beam 4 is continuously lifted, so that the well lid 10 is lifted up.

Claims

1. A well lid opening tool which is characterized in that: including support frame (1), two support frame (1) install respectively at the both ends of first crossbeam (3), truckle (2) are installed to the bottom of support frame (1), and the top of first crossbeam (3) is equipped with second crossbeam (4), is connected through jack (5) between first crossbeam (3) and second crossbeam (4), be equipped with spout (43) respectively that corresponds about first crossbeam (3) and second crossbeam (4), spout (43) on first crossbeam (3) and second crossbeam (4) are passed respectively vertically to two pull rods (6), the lower extreme of pull rod (6) is equipped with spacing portion (61), and the upper end of pull rod (6) is equipped with external screw thread (62), installs two slide (7) on second crossbeam (4), and slide (7) are passed respectively to the upper end of two pull rod (6), and nut (8) are located the upside of slide (7) and connect soon on external screw thread (62).

2. The well lid opening tool of claim 1, wherein: the support frame (1) comprises a top plate (12), inclined struts (11) and bottom rods (13), wherein the two inclined struts (11) are arranged between the top plate (12) and the bottom rods (13) in a splayed mode, and two ends of the first cross beam (3) are respectively and fixedly arranged above the top plate (12) of the two support frames (1).

3. The well lid opening tool of claim 1, wherein: the first cross beam (3) and the second cross beam (4) are identical in structure, the second cross beam (4) comprises two section steel (41), a gap is reserved between the two section steel (41) to form the sliding groove (43), and the end parts of the two section steel (41) are fixedly connected through the sealing plate (42).

4. The well lid opening tool of claim 1, wherein: the bottom of jack (5) is installed fixed plate (52), and mount pad (51) are installed at piston rod top of jack (5), and the downside and the first crossbeam (3) fixed connection of fixed plate (52), the top and the second crossbeam (4) of mount pad (51) are connected fixedly.

5. The well lid opening tool of claim 1, wherein: a guide seat (9) is slidably arranged on the first cross beam (3), two guide seats (9) are arranged, and two pull rods (6) respectively slide through the guide seats (9); the guide seat (9) comprises limit plates (91) and connecting columns (92), the two limit plates (91) are respectively located at two ends of the connecting columns (92), guide holes (93) are longitudinally formed in the guide seat (9), the two limit plates (91) are respectively located at the upper side and the lower side of the first cross beam (3), the connecting columns (92) are located in the sliding grooves (43), and the pull rods (6) penetrate through the guide holes (93).

6. The well lid opening tool of claim 1, wherein: the pull rod (6) is provided with a plurality of limiting holes (63) at the lower side of the external thread (62).