CN220058104U - Adjustable basement sump pit apron - Google Patents

Abstract

The utility model provides an adjustable basement sump pit apron, includes can follow the flexible hinge frame of X axial and install in the hinge frame both sides, can follow the flexible side direction bearing structure of Y axial, the hinge frame is the scissors fork structure that many linking arms articulated each other formed, the tip of hinge frame upper end two linking arms and the tip of lower extreme two linking arms are connected through a spacing stop gear respectively, side direction bearing structure includes rotatory telescopic link and telescopic tube, rotatory telescopic link one end is passed through rotary mechanism symmetry rotation and is connected on two linking arms of hinge frame homonymy, and it has vice fixture block to articulate on the other end, through telescopic tube interconnect between two pairs of fixture blocks, rotatory telescopic link passes through first locking device locking telescopic link, rotatory telescopic link is passed through the second locking device locking rotary telescopic link and is around the rotation angle of linking arm, and this device is adjusted through hinge frame and side direction bearing structure cooperation, can adapt to the sump pit wellhead of equidimension.

Description

Adjustable basement sump pit apron

Technical Field

The utility model relates to the technical field of buildings, in particular to an adjustable basement water collecting well cover plate.

Background

The water collecting well is a well for collecting and storing underground water or percolating water, and the upper end of the well mouth is provided with a water collecting well cover plate, which is also called a ditch cover, a sand well cover plate, a sewer well cover plate and the like, and the water collecting well cover plate is widely applied to different places such as chemical plants, pharmaceutical factories, paper factories, sewage treatment plants, food manufacturing factories, municipal roads, garden facilities, residential communities, schools, stadiums and the like. However, the existing water collecting well cover plate needs to be customized according to the size of the water collecting well mouth, if the sizes of the water collecting well mouth in the same construction area are inconsistent, the water collecting well cover plate with multiple sizes needs to be customized, such as the water collecting well cover plate in the basement is disclosed in China patent number CN215670008U, the frame of the water collecting well cover plate is of a fixed size, the water collecting well can not be adjusted according to the actual situation, and the water collecting well in the basement has the condition that a plurality of water collecting well mouths with different sizes exist in the same area due to the limitation of conditions and positions, if the cost of customizing the water collecting well cover plates with multiple sizes is high, on-site cutting is needed, and the construction efficiency is greatly reduced.

Disclosure of Invention

The utility model solves the defects of the prior art and provides the adjustable basement water collecting well cover plate which can adapt to water collecting well heads with different sizes.

In order to achieve the above purpose, the utility model firstly provides an adjustable basement water collecting well cover plate, which comprises a hinge frame capable of extending along the X axis and a lateral support structure which is arranged on two sides of the hinge frame and capable of extending along the Y axis, wherein the hinge frame is a scissor structure formed by mutually hinging a plurality of connecting arms, the end parts of the two connecting arms at the upper end of the hinge frame and the end parts of the two connecting arms at the lower end of the hinge frame are respectively connected through a spacing limiting mechanism, the lateral support structure comprises a rotary telescopic rod and a telescopic sleeve, one end of the rotary telescopic rod is symmetrically and rotatably connected to the two connecting arms at the same side of the hinge frame through the rotary mechanism, the other end of the rotary telescopic rod is hinged with an auxiliary clamping block, the two auxiliary clamping blocks are mutually connected through the telescopic sleeve, the rotary telescopic rod locks the extension length through a first locking device, and the rotary telescopic rod locks the rotation angle of the rotary telescopic rod around the connecting arms through a second locking device.

By adopting the structure, the length of the hinge frame is adjusted, the two sides of the hinge frame are supported on the two edges of the water collecting well mouth, the length of the hinge frame is locked through the spacing limiting mechanism, then the length of the lateral supporting structure is adjusted, the other two sides of the hinge frame are supported on the other two edges of the water collecting well mouth, the length of the lateral supporting structure is locked through the first locking device and the second locking device, and therefore the device is adjusted.

In this embodiment, rotatory telescopic link includes outer tube and inner core pipe, be equipped with in the outer tube with inner core pipe size assorted inner chamber, the one end of inner core pipe is rotated through rotary mechanism and is connected on the linking arm, and the inner core pipe other end slip cartridge is in the inner chamber of outer tube, it has vice fixture block to articulate on the one end that inner core pipe was kept away from to the outer tube, be equipped with first locking device between inner core pipe and the outer tube, first locking device is used for locking the relative position after outer tube and the inner core pipe slip, be provided with second locking device between inner core pipe and the linking arm, second locking device is used for locking the rotation angle of inner core pipe around the linking arm.

In this embodiment, the linking arm includes first linking arm, second linking arm, third linking arm and fourth linking arm, pivot swing joint is passed through at the middle part of first linking arm and second linking arm, pivot swing joint is passed through at the middle part of third linking arm and fourth linking arm, be connected through interval stop gear on the upper end of first linking arm and second linking arm, the lower extreme respectively with the upper end of third linking arm and fourth linking arm through pivot swing joint, the lower extreme of third linking arm and fourth linking arm passes through interval stop gear connects.

In this embodiment, the interval stop gear includes the main fixture block that articulates respectively in two homonymy linking arm tip and connects two main fixture blocks L type loop bar, and main fixture block includes the first main fixture block of structure the same and second main fixture block, L type loop bar includes the first L type loop bar of structure the same and second L type loop bar, first L type loop bar and second L type loop bar all include slide bar and slider, the one end of slider is fixed on the tail end of slide bar, offered on the other end with slide bar size assorted through-hole, slider and slide bar lay perpendicularly and form L type, still be equipped with the screw with the through-hole intercommunication on the slider, the screw is laid along the through-hole is radial, screw female connection has fastening bolt; the sliding rod head end of the first L-shaped loop bar is fixed on the first main clamping block, the sliding rod head end of the second L-shaped loop bar is fixed on the second main clamping block, the sliding block of the first L-shaped loop bar is slidably mounted on the sliding rod of the second L-shaped loop bar through the through hole, and the sliding block of the second L-shaped loop bar is slidably mounted on the sliding rod of the first L-shaped loop bar through the through hole.

Therefore, the first main clamping block and the second main clamping block can realize relative movement under the limitation of the first L-shaped loop bar and the second L-shaped loop bar, when the hinge frame of the scissors structure is stretched, the distance between the first main clamping block and the second main clamping block is reduced, when the hinge frame is stretched to enable the two ends of the main clamping blocks to be supported on the edge of the wellhead of the water collecting well, the sliding blocks and the sliding bars are locked by tightening the fastening bolts, so that the distance between the first main clamping block and the second main clamping block is locked, the stretching length of the hinge frame is locked, and therefore, on one hand, the stretching stability of the scissors structure is ensured, and on the other hand, the relative position of the first L-shaped loop bar and the second L-shaped loop bar can be locked by the fastening bolts, so that the stretching length of the scissors structure is locked.

After the length of the hinge bracket is stretched to a proper length along the X axial direction, the length of the Y axial direction is adjusted through the length of the lateral support structure, the positions of the auxiliary clamping blocks can be adjusted through the rotation of the rotary telescopic rod around the connecting arm and the stretching of the telescopic sleeve along the rotary telescopic rod, the auxiliary clamping blocks are adjusted to four corners of the wellhead of the water collecting well, then the positions of the rotary telescopic rod and the positions of the telescopic sleeve are locked through the first locking device and the second locking device, the purpose of locking the positions of the auxiliary clamping blocks is achieved, the telescopic sleeve can ensure the synchronization of the adjustment of the auxiliary clamping blocks on the same side, and the stability of the lateral support structure is improved.

In this embodiment, rotary mechanism is including fixing the axle core on the linking arm and coaxial cover at the outer swivel sleeve of axle core, be provided with at least one annular draw-in groove along circumference on the outer wall of axle core, swivel sleeve inside be equipped with axle core external diameter assorted inner chamber, be equipped with in the swivel sleeve one end inner wall with draw-in groove position, quantity assorted bead, swivel sleeve cover is outside the axle core, swivel sleeve's bead is installed in the draw-in groove of axle core, bead and draw-in groove sliding connection make swivel sleeve can rotate around the axle core, swivel sleeve fixes the tip at rotatory telescopic link.

In this embodiment, the second locking device includes the taper head bolt, the tip coaxial screw hole that is equipped with the inner chamber intercommunication of swivel boot, the screw hole internal thread of swivel boot is connected with the taper head bolt, the length of the great swivel boot of taper head bolt, the taper head bolt stretches into the part in the swivel boot and is the circular cone. By tightening the taper head bolt, the rotary sleeve and the shaft core can be tightly pressed by using the pressing force, so that the rotation of the rotary sleeve and the shaft core is limited.

In this embodiment, first locking device includes slide bar, round pin axle and connecting rod, in the interior core pipe, along the axial offered with slide bar size assorted spout, the head end cartridge of slide bar in the spout, and the head end of slide bar passes through spring coupling with the bottom of spout, the tail end of slide bar passes rotatory cover and stretches into in the inner chamber of swivel boot, the tail end butt of slide bar is on the conical inner wall of cone head bolt, and the tail end and the inner wall sliding connection of cone head bolt of slide bar, still be equipped with the installation cavity with the spout intercommunication in the interior core pipe, the both sides in installation cavity, along radial being equipped with the slide hole that link up interior core pipe, the outer tube is in the position that corresponds with the slide hole, along length direction a plurality of position locking holes have been arranged to the round pin axle slidable mounting in the slide hole, two connecting rods set up in the installation cavity, the one end and the round pin axle of connecting rod are articulated, and the other end and slide bar are articulated. After the position of the lateral supporting structure is adjusted, the taper head bolt is screwed down, the outer diameter of the joint of the sliding rod and the taper head bolt is enlarged along with the screwing down of the taper head bolt, so that the taper head bolt can push the sliding rod to move in the sliding groove while locking the shaft core, the sliding rod moves to drive the connecting rod to push the pin shaft outwards, the pin shaft stretches out of the inner core tube from the sliding hole, and the pin shaft is inserted into the position locking hole corresponding to the outer sleeve, so that the relative position of the inner core tube and the outer sleeve is locked.

The beneficial effects of the utility model are as follows:

1. the main clamping blocks are driven by the control hinge frame to shrink or expand towards two sides under the limit of the spacing limiting mechanism, the clamping joints are formed on the edge of the water collection well head to form a main body, the telescopic properties of the rotary telescopic rods and the telescopic sleeves are utilized to control the auxiliary clamping blocks to be clamped on the two sides of the main body to form an auxiliary body on the edge of the water collection well head, the rotary telescopic rods are matched with the auxiliary body to be finely adjusted, and the cover of the water collection well can be realized.

2. The lateral support structure is used for controlling the taper head bolt to be deeply inserted into the rotating part of the inner core tube and completely abutted to the shaft core, the rotating sleeve and the shaft core are pressed, so that the rotation of the rotating sleeve and the shaft core is limited, meanwhile, the taper head bolt extrudes the sliding rod, so that the connecting rod drives the pin shaft to be inserted into the position locking hole of the outer sleeve, the relative position of the inner core tube and the outer sleeve is locked, and the auxiliary clamping block can be conveniently clamped at the edge of the water collecting well.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a perspective view of the L-shaped loop bar of the present utility model;

FIG. 3 is a perspective cut-away view of the rotary telescopic rod of the present utility model;

FIG. 4 is a cross-sectional view of the inner core tube of the present utility model;

reference numerals: 1. a hinge frame; 11. a first connecting arm; 12. a second connecting arm; 13. a third connecting arm; 14. a fourth connecting arm; 2. a main clamping block; 21. a first main clamping block; 22. a second main clamping block; 3. an L-shaped loop bar; 31. a first L-shaped loop bar 31; 32. a second L-shaped loop bar 31; 4. a fastening bolt; 5. rotating the telescopic rod; 51. an inner core tube; 511. a rotating sleeve; 512. a shaft core; 52. taper head bolts; 53. a slide bar; 54. a pin shaft; 55. a connecting rod; 56. an outer sleeve; 57. an auxiliary clamping block; 58. a slide hole; 59. a mounting cavity; 6. and (5) telescoping the sleeve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.

Referring to fig. 1 to 4, an adjustable basement water collecting well cover plate comprises a hinge frame 1 which can stretch along the X axis and a side support structure which is arranged at two sides of the hinge frame 1 and can stretch along the Y axis, wherein the hinge frame 1 is a scissor structure formed by hinging a plurality of connecting arms, the connecting arms comprise a first connecting arm 11, a second connecting arm 12, a third connecting arm 13 and a fourth connecting arm 14, the middle parts of the first connecting arm 11 and the second connecting arm 12 are movably connected through a rotating shaft, the middle parts of the third connecting arm 13 and the fourth connecting arm 14 are movably connected through a rotating shaft, the upper ends of the first connecting arm 11 and the second connecting arm 12 are respectively connected with the upper ends of the third connecting arm 13 and the fourth connecting arm 14 through a spacing limiting mechanism, the lower ends of the third connecting arm 13 and the fourth connecting arm 14 are respectively connected with the lower ends of the third connecting arm 13 and the fourth connecting arm 14 through the spacing limiting mechanism,

the spacing limiting mechanism comprises a main clamping block 2 and an L-shaped sleeve rod 3, wherein the main clamping block 2 and the L-shaped sleeve rod 3 are respectively hinged to the end parts of two connecting arms on the same side, the main clamping block 2 comprises a first main clamping block 21 and a second main clamping block 22 which are identical in structure (specifically, the end part of the first connecting arm is fixedly provided with the first main clamping block, the end part of the second connecting arm is fixedly provided with the second main clamping block, the end part of the third connecting arm is fixedly provided with the first main clamping block, the end part of the fourth connecting arm is fixedly provided with the second main clamping block), the L-shaped sleeve rod 3 comprises a first L-shaped sleeve rod 31 and a second L-shaped sleeve rod 32 which are identical in structure, the first L-shaped sleeve rod 31 and the second L-shaped sleeve rod 32 both comprise a slide bar and a slide block, one end of the slide bar of the slide block is fixedly arranged on the tail end of the slide bar, the other end of the slide bar is provided with a through hole matched with the slide bar in size, the slide block and the slide bar is vertically arranged to form an L-shaped, the screw hole is further arranged on the slide block and is communicated with the through hole, the screw hole is radially connected with a fastening bolt 4 through the through hole;

the head end of the sliding rod of the first L-shaped sleeve rod 31 is fixed on the first main clamping block 21, the head end of the sliding rod of the second L-shaped sleeve rod 32 is fixed on the second main clamping block 22, the sliding block of the first L-shaped sleeve rod 31 is slidably arranged on the sliding rod of the second L-shaped sleeve rod 32 through the through hole, the sliding block of the second L-shaped sleeve rod 32 is slidably arranged on the sliding rod of the first L-shaped sleeve rod 31 through the through hole, so that the first main clamping block 21 and the second main clamping block 22 can relatively move under the limit of the first L-shaped sleeve rod 31 and the second L-shaped sleeve rod 32, when the hinge frame 1 of the shear fork structure is stretched, the distance between the first main clamping block 21 and the second main clamping block 22 is reduced, and when the hinge frame 1 is stretched to enable the two ends of the main clamping blocks 2 to be supported on the wellhead edge of a water collecting well, the sliding block and the sliding block are locked through tightening the fastening bolt 4, and therefore the stretching length of the hinge frame 1 is locked through locking the distance between the first main clamping block 21 and the second main clamping block 22, on the one hand, the stability of the shear structure is ensured, and the telescopic structure can be locked through the telescopic structure is locked through the distance between the first L-shaped sleeve rod 32 and the telescopic structure;

the side direction bearing structure includes rotatory telescopic link 5 and telescopic tube 6, rotatory telescopic link 5 includes outer tube 56 and interior core tube 51, be equipped with in the outer tube 56 with interior core tube 51 size assorted inner chamber, two interior core tube 51's one end passes through rotary mechanism symmetry rotation to be connected on two linking arms of hinge frame 1 homonymy, interior core tube 51 other end slip cartridge is in the inner chamber of outer tube 56, it has vice fixture block 57 to articulate on the one end that interior core tube 51 was kept away from to outer tube 56, connects through telescopic tube 6 each other between two pairs of fixture blocks 57, be equipped with the relative position after first locking device locking outer tube 56 and interior core tube 51 slip between interior core tube 51 and the outer tube 56, be provided with the rotation angle of second locking device locking interior core tube 51 around the linking arm between interior core tube 51 and the linking arm.

After the length of the hinge bracket 1 is stretched to a proper length along the X axial direction, the length of the Y axial direction is adjusted through the length of the lateral support structure, the position of the auxiliary clamping block 57 can be adjusted through the rotation of the rotary telescopic rod 5 around the connecting arm and the stretching of the telescopic sleeve 6 along the rotary telescopic rod 5, the auxiliary clamping block 57 is adjusted to four corners of the wellhead of the water collecting well, and then the position of the rotary telescopic rod 5 and the position of the telescopic sleeve 6 are locked through the first locking device and the second locking device, so that the aim of locking the position of the auxiliary clamping block 57 is fulfilled, the telescopic sleeve 6 can ensure the synchronization of the adjustment of the auxiliary clamping blocks 57 on the same side, and the stability of the lateral support structure is improved.

The rotating mechanism comprises an axle core 512 fixed on the connecting arm and a rotating sleeve 511 coaxially sleeved outside the axle core 512, at least one annular clamping groove is circumferentially arranged on the outer wall of the axle core 512, an inner cavity matched with the outer diameter of the axle core 512 is arranged inside the rotating sleeve 511, convex rings matched with the clamping grooves in position and number are arranged in the inner wall of one end of the rotating sleeve 511, the rotating sleeve 511 is sleeved outside the axle core 512, the convex rings of the rotating sleeve 511 are arranged in the clamping grooves of the axle core 512 and are in sliding connection with the clamping grooves, the rotating sleeve 511 can rotate around the axle core 512, the rotating sleeve 511 is fixed at the end part of the rotating telescopic rod 5,

the second locking device comprises a conical head bolt 52, a threaded hole communicated with the inner cavity is coaxially formed in the end portion of the rotary sleeve 511, the conical head bolt 52 is connected in the threaded hole of the rotary sleeve 511 in a threaded mode, the length of the conical head bolt 52 is larger than that of the rotary sleeve 511, the part, extending into the rotary sleeve 511, of the conical head bolt 52 is conical, and the rotary sleeve 511 and the shaft core 512 can be tightly pressed by means of pressing force through tightening of the conical head bolt 52, so that rotation of the rotary sleeve 511 and the shaft core 512 is limited.

The first locking device comprises a sliding rod 53, a pin shaft 54 and a connecting rod 55, wherein a sliding groove matched with the sliding rod 53 in size is formed in the inner core pipe 51 along the axial direction, the head end of the sliding rod 53 is inserted in the sliding groove, the head end of the sliding rod 53 is connected with the bottom of the sliding groove through a spring, the tail end of the sliding rod 53 penetrates through a rotary sleeve 511 and stretches into an inner cavity of the rotary sleeve 511, the tail end of the sliding rod 53 is abutted to the conical inner wall of a conical head bolt 52, the tail end of the sliding rod 53 is in sliding connection with the inner wall of the conical head bolt 52, a mounting cavity 59 communicated with the sliding groove is further formed in the inner core pipe 51, sliding holes 58 penetrating through the inner core pipe 51 are formed in the two sides of the mounting cavity 59 along the radial direction, a plurality of position locking holes are formed in the outer sleeve 56 at positions corresponding to the sliding holes 58 along the length direction, the pin shaft 54 is slidably mounted in the sliding holes 58, two connecting rods 55 are arranged in the mounting cavity 59, one end of the connecting rod 55 is hinged with the pin shaft 5, the other end of the connecting rod 55 is hinged with the sliding rod 53, and an included angle smaller than 90 degrees is formed between the connecting rod 55 and the sliding rod 53 in the initial state; after the position of the lateral supporting structure is adjusted, the taper bolt 52 is screwed down, the outer diameter of the joint of the sliding rod 53 and the taper bolt 52 is enlarged along with the screwing down of the taper bolt 52, the sliding rod 53 is pushed to move in the sliding groove while the taper bolt 52 locks the shaft core 512, the sliding rod 53 moves to drive the connecting rod 55 to push the pin shaft 54 to extend out of the sliding hole 58, and the pin shaft 54 is inserted into the position locking hole corresponding to the outer sleeve 56, so that the relative position of the inner core tube 51 and the outer sleeve 56 is locked.

When the device is used, the length of the hinge frame is adjusted, so that two sides of the hinge frame are supported on two edges of a water collecting well mouth, the length of the hinge frame is locked through the spacing limiting mechanism, then the length of the lateral supporting structure is adjusted, the other two sides of the hinge frame are supported on the other two edges of the water collecting well mouth, and the length of the lateral supporting structure is locked through the first locking device and the second locking device, so that the device is adjusted;

when using, can be at same sump pit wellhead, install a plurality of this devices, during the installation, this device overlaps the installation about the sump pit wellhead, and adjacent this device installation direction is rotatory 90 degrees, so on the one hand can improve the bearing capacity of this device, on the other hand, can reduce the mesh size that the linking arm interval formed, moreover, according to the difference of service conditions, can also tie the mesh hole at this device and make the wire net less, the size of wire net is tailor on site according to the size of actual sump pit wellhead, then through the steel wire with the wire net with this device ligature together can, thereby can adapt to the sump pit wellhead of equidimension not with a set of equipment.

The foregoing description of the preferred embodiments of the present utility model should not be construed as limiting the scope of the utility model, but rather utilizing equivalent structural changes made in the present utility model description and drawings or directly/indirectly applied to other related technical fields are included in the scope of the present utility model.

Claims (7)

1. An adjustable basement sump pit apron, its characterized in that: including can follow the flexible hinge frame of X axial and install in the hinge frame both sides, can follow the flexible side direction bearing structure of Y axial, the hinge frame is the scissors fork structure that many linking arms articulated each other formed, the tip of two linking arms of hinge frame upper end and the tip of two linking arms of lower extreme are connected through a interval stop gear respectively, side direction bearing structure includes rotatory telescopic link and telescopic tube, rotatory telescopic link one end is passed through rotary mechanism symmetry rotation and is connected on two linking arms of hinge frame homonymy, articulates on the other end has vice fixture block, through telescopic tube interconnect between two pairs of fixture blocks, rotatory telescopic link passes through first locking device locking flexible length, rotatory telescopic link is passed through the rotation angle of second locking device locking rotatory telescopic link around the linking arm.

2. The adjustable basement water collection well cover plate of claim 1, wherein: the rotary telescopic rod comprises an outer sleeve and an inner core pipe, an inner cavity matched with the inner core pipe in size is arranged in the outer sleeve, one end of the inner core pipe is rotationally connected to a connecting arm through a rotating mechanism, the other end of the inner core pipe is slidably inserted into the inner cavity of the outer sleeve, a secondary clamping block is hinged to one end, away from the inner core pipe, of the outer sleeve, a first locking device is arranged between the inner core pipe and the outer sleeve and used for locking the relative position of the outer sleeve and the inner core pipe after sliding, a second locking device is arranged between the inner core pipe and the connecting arm and used for locking the rotating angle of the inner core pipe around the connecting arm.

3. The adjustable basement water collection well cover plate of claim 2, wherein: the connecting arm comprises a first connecting arm, a second connecting arm, a third connecting arm and a fourth connecting arm, the middle parts of the first connecting arm and the second connecting arm are movably connected through a rotating shaft, the middle parts of the third connecting arm and the fourth connecting arm are movably connected through a rotating shaft, the upper ends of the first connecting arm and the second connecting arm are connected through a spacing limiting mechanism, the lower ends of the first connecting arm and the second connecting arm are respectively and movably connected with the upper ends of the third connecting arm and the fourth connecting arm through the rotating shaft, and the lower ends of the third connecting arm and the fourth connecting arm are connected through the spacing limiting mechanism.

4. An adjustable basement water collection well cover according to claim 3, wherein: the spacing limiting mechanism comprises a main clamping block hinged to the end parts of the connecting arms at the two same sides and an L-shaped loop bar connecting the two main clamping blocks, wherein the main clamping block comprises a first main clamping block and a second main clamping block which are identical in structure, the L-shaped loop bar comprises a first L-shaped loop bar and a second L-shaped loop bar which are identical in structure, the first L-shaped loop bar and the second L-shaped loop bar both comprise a slide bar and a slide block, one end of the slide block is fixed on the tail end of the slide bar, a through hole matched with the slide bar in size is formed in the other end of the slide block, the slide block and the slide bar are vertically distributed to form an L-shape, a screw hole communicated with the through hole is further formed in the slide block, the screw hole is radially distributed along the through hole, and a fastening bolt is connected in the screw hole in a threaded manner; the sliding rod head end of the first L-shaped loop bar is fixed on the first main clamping block, the sliding rod head end of the second L-shaped loop bar is fixed on the second main clamping block, the sliding block of the first L-shaped loop bar is slidably mounted on the sliding rod of the second L-shaped loop bar through the through hole, and the sliding block of the second L-shaped loop bar is slidably mounted on the sliding rod of the first L-shaped loop bar through the through hole.

5. An adjustable basement water collection well cover according to any one of claims 2 to 4, wherein: the rotary mechanism comprises a shaft core fixed on the connecting arm and a rotary sleeve coaxially sleeved outside the shaft core, at least one annular clamping groove is formed in the outer wall of the shaft core along the circumferential direction, an inner cavity matched with the outer diameter of the shaft core is formed in the rotary sleeve, a convex ring matched with the clamping groove in position and quantity is arranged in the inner wall of one end of the rotary sleeve, the rotary sleeve is sleeved outside the shaft core, the convex ring of the rotary sleeve is installed in the clamping groove of the shaft core, the convex ring is in sliding connection with the clamping groove, the rotary sleeve can rotate around the shaft core, and the rotary sleeve is fixed at the end part of the rotary telescopic rod.

6. The adjustable basement water collection well cover plate of claim 5, wherein: the second locking device comprises a conical head bolt, a threaded hole communicated with the inner cavity is coaxially formed in the end portion of the rotary sleeve, the conical head bolt is connected in the threaded hole of the rotary sleeve in a threaded mode, the length of the conical head bolt is larger than that of the rotary sleeve, and the part of the conical head bolt extending into the rotary sleeve is conical.

7. The adjustable basement water collection well cover plate of claim 6, wherein: the first locking device comprises a sliding rod, a pin shaft and a connecting rod, wherein a sliding groove matched with the sliding rod in size is formed in the inner core pipe along the axial direction, the head end of the sliding rod is inserted in the sliding groove, the head end of the sliding rod is connected with the bottom of the sliding groove through a spring, the tail end of the sliding rod penetrates through the rotary sleeve and stretches into the inner cavity of the rotary sleeve, the tail end of the sliding rod is abutted to the conical inner wall of the cone head bolt, the tail end of the sliding rod is in sliding connection with the inner wall of the cone head bolt, an installation cavity communicated with the sliding groove is further formed in the inner core pipe, sliding holes penetrating through the inner core pipe are formed in the two sides of the installation cavity along the radial direction, and the outer sleeve is arranged at positions corresponding to the sliding holes

A plurality of position locking holes are arranged on the upper part and along the length direction, the pin shaft is slidably arranged in the sliding hole,

the two connecting rods are arranged in the mounting cavity, one end of each connecting rod is hinged with the corresponding pin shaft, and the other end of each connecting rod is hinged with the corresponding sliding rod.