Underground space accumulated water collecting device

By designing an underground space water collection device, which utilizes the combination of a water suction cylinder and a swing arm assembly, the automatic absorption and discharge of accumulated water is achieved, solving the safety hazards caused by water accumulation in underground spaces and improving safety and practicality.

CN223991423UActive Publication Date: 2026-03-13SUZHOU UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-12
Publication Date
2026-03-13

AI Technical Summary

Technical Problem

Underground parking garages and passageways are prone to water accumulation, which can cause pedestrians or vehicles to slip and pose a safety hazard.

Method used

Design an underground space water collection device that uses the cooperation of a water suction cylinder, a swing arm assembly and an outer frame to achieve automatic absorption and drainage of water. The water suction cylinder is driven by a motor to move within the outer frame. Combined with the structure of a squeezing plate and a sliding rod, the automatic collection and discharge of water is achieved.

Benefits of technology

It effectively avoids the impact of underground water accumulation on pedestrians and vehicles, improves safety, and achieves continuous water collection, thus enhancing the practicality of the device.

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Abstract

The utility model belongs to the field of underground space accumulated water collecting equipment, and particularly relates to an underground space accumulated water collecting device which comprises an outer frame, the top of the outer frame is rotationally connected with a rolling shaft, a connecting belt is wound on the outer surface of the rolling shaft, and the other end of the connecting belt is fixedly connected with an extrusion plate. An elastic piece is fixedly connected to the side wall of the extrusion plate, and a sliding rod is fixedly connected to the side wall of the extrusion plate; and the water absorption cylinder is detachably mounted on the sliding rod. According to the water absorption device, through the relative cooperation of the structures such as the water absorption barrel, the swing arm assembly and the outer frame, the water absorption barrel can be subjected to position switching, surface accumulated water is absorbed and treated, the surface accumulated water is prevented from influencing the driving safety of pedestrians and vehicles, and through the mutual cooperation of the structures such as the sliding rod, the extrusion plate and the connecting belt, the water absorption barrel is more convenient to use. And water can be automatically discharged from the water absorption cylinder after water absorption, so that accumulated water can be continuously collected.
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Description

Technical Field

[0001] This utility model relates to the technical field of underground space water collection equipment, specifically an underground space water collection device. Background Technology

[0002] With the increase in cars, more and more underground garages and underground passages are appearing in our lives. Compared with parking spaces on the ground, underground garages are more aesthetically pleasing for parking vehicles. However, rainwater can easily flow into the garage from the entrance and exit, and rainwater carried by cars can also cause the underground parking garage to be damp and water accumulation. This can easily cause pedestrians or vehicles to slip and create safety hazards, especially at the ramps for entering and exiting the garage. To address this, we provide an underground space water collection device. Utility Model Content

[0003] The present invention aims to provide a device for collecting water in underground spaces, which can effectively treat water accumulation in underground spaces.

[0004] Therefore, the technical solution adopted by this utility model is as follows:

[0005] A device for collecting water in underground spaces, comprising:

[0006] The outer frame has a take-up shaft rotatably connected to its top. A connecting strip is wound around the outer surface of the take-up shaft. An extrusion plate is fixedly connected to the other end of the connecting strip. An elastic element is fixedly connected to the side wall of the extrusion plate, and a sliding rod is fixedly connected to the side wall of the extrusion plate.

[0007] The water suction cylinder is detachably mounted on the slide rod and is located inside the outer frame. A rotating shaft is fixedly connected to one end of the water suction cylinder away from the slide rod, and a swing arm assembly is fixedly connected to the other end of the rotating shaft. The swing arm assembly is used to drive the water suction cylinder to swing in an arc, so that the water suction cylinder moves between the top and bottom of the outer frame.

[0008] When the water suction cylinder swings to the top of the outer frame, a water storage chamber is provided below the water suction cylinder. A water leakage plate is provided between the water storage chamber and the water suction cylinder, and the water leakage plate is fixed to the inner wall of the outer frame.

[0009] Based on the above technical solution, its operating principle and the resulting technical effects are as follows:

[0010] First, multiple sets of this device are installed on the ground of the underground space, mainly at entrances and exits and in locations prone to water accumulation. When water accumulates, the second motor is activated, causing its output shaft to rotate in the forward direction, which in turn drives the third swing arm to deflect. The third swing arm then pulls the second swing arm to move, thereby causing the first swing arm to rotate. When the first swing arm rotates, it drives the rotating shaft to move along the arc-shaped groove, which in turn moves the water suction cylinder downwards to the bottom of the outer frame. The bottom of the outer frame has an opening that fits the water suction cylinder, at which point the water suction cylinder contacts the ground, thus absorbing the accumulated water. Once the water has been absorbed, the second motor is activated again to drive the third swing arm to deflect. The three swing arms rotate in opposite directions, allowing the second and first swing arms to move, thus moving the water-absorbing cylinder to the top of the outer frame. At this point, the buckle and the slide rod are fixed in place. Then, the first motor is started to drive the winding shaft to rotate and wind up the connecting belt. The connecting belt then drives the extrusion plate to squeeze the elastic element and the slide rod to squeeze the absorbent sponge, causing the water in the absorbent sponge to drain out and flow into the water storage chamber through the drainage plate. After the first motor is turned off, the extrusion plate returns to its original position under the action of the first and second springs, thus completing the entire collection process. This method improves water absorption efficiency and prevents water accumulation in underground spaces from affecting the safety of pedestrians and vehicles.

[0011] In a preferred embodiment, the present invention can be further configured such that the outer frame is generally rectangular and made of stainless steel.

[0012] In a preferred embodiment, the present invention can be further configured such that a first motor is fixedly connected to the top of the take-up shaft, and the first motor is mounted on the top of the outer frame.

[0013] In a preferred embodiment, the present invention can be further configured such that the elastic element includes a first spring and a second spring, the first spring and the second spring are fixed symmetrically on the extrusion plate, and the other ends of the first spring and the second spring are fixed on the side wall of the outer frame.

[0014] In a preferred embodiment, the present invention can be further configured such that: a through hole adapted to the slide rod is provided on the side wall of the outer frame, and the slide rod passes through the outer frame via the through hole.

[0015] In a preferred embodiment, the present invention can be further configured as follows: a support rod is provided at the center of the water-absorbing cylinder, an absorbent sponge is sleeved on the outer surface of the support rod, the support rod is fixedly connected to the rotating shaft, and the end of the absorbent sponge near the slide rod is detachably installed between the slide rod and the slide rod by a buckle.

[0016] In a preferred embodiment, the present invention can be further configured as follows: the swing arm assembly includes a first swing arm rotatably connected to the side wall of the outer frame, one end of the first swing arm is fixedly connected to a rotating shaft, the other end is rotatably connected to a second swing arm, the free end of the second swing arm is rotatably connected to a third swing arm, and the free end of the third swing arm is fixedly connected to a second motor, which is mounted on the side wall of the outer frame.

[0017] In a preferred embodiment, the present invention can be further configured such that an arc-shaped groove adapted to the rotating shaft is provided on the side wall of the outer frame.

[0018] The explanations of the nouns, conjunctions, or adjectives used in the above technical solutions are as follows:

[0019] A fixed connection refers to a connection in which parts or components are fixed in place, with no relative movement between them. These connections are divided into two types: detachable and non-detachable.

[0020] (1) Detachable connections use screws, splines, wedges, etc. to fix parts together. This type of connection can be disassembled during maintenance without damaging the parts. However, the specifications of the connecting parts used must be correct (such as the length of bolts, keys, wedges) and properly tightened.

[0021] (2) Non-removable connections mainly refer to welding, riveting, and tenon joints. Since disassembly requires forging, sawing, or oxy-acetylene cutting for repair or replacement, these parts generally cannot be reused. Furthermore, attention should be paid to process quality, technical inspection, and remedial measures (such as correction and polishing) during connection.

[0022] A movable connection refers to a connection in which parts or components are fixed but have relative motion.

[0023] The above-mentioned technical solution of this utility model has the following beneficial technical effects:

[0024] In this invention, the water suction cylinder, swing arm assembly, outer frame and other structures work together to allow the water suction cylinder to switch positions and absorb water from the ground, preventing water from affecting the safety of pedestrians and vehicles. Furthermore, the sliding rod, squeezing plate, connecting belt and other structures work together to automatically drain the water after it has been absorbed, thus enabling continuous collection of water and improving the practicality of the device. Attached Figure Description

[0025] Figure 1 This is a cross-sectional schematic diagram of the overall structure of this utility model;

[0026] Figure 2 This is a schematic diagram of the structure of the swing arm assembly in the water absorption state of this utility model;

[0027] Figure 3This is a schematic diagram of the structure of the swing arm assembly in the drainage state of this utility model;

[0028] Figure 4 This is a schematic diagram showing the position of the water-absorbing cylinder in the water-absorbing state of this utility model;

[0029] Figure 5 This is a schematic diagram showing the position of the suction cylinder in the drainage state of this utility model.

[0030] Figure label:

[0031] 1. First motor; 2. Rewinding shaft; 3. Connecting belt; 4. Fixing component; 5. Extrusion plate; 6. First spring; 7. Slide rod; 8. Second spring; 9. Outer frame; 10. Water storage chamber; 11. Second motor; 12. Swing arm assembly; 13. Water suction cylinder; 14. Rotating shaft; 15. Drain plate; 16. Arc groove; 121. First swing arm; 122. Second swing arm; 123. Third swing arm. Detailed Implementation

[0032] The technical solutions of the embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this disclosure, and not all embodiments. Based on the embodiments of this disclosure, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this disclosure. It should be noted that, unless otherwise specified, the embodiments of this utility model and the features in the embodiments can be combined with each other.

[0033] Based on the concept of this application, combined with Figures 1 to 5 This document describes an embodiment of an underground water collection device for treating accumulated water in underground spaces. Specifically, the device is constructed as an integrated structure comprising three components: an outer frame 9, a water suction cylinder 13, and a swing arm assembly 12. Through the coordinated arrangement of the water suction cylinder 13, the swing arm assembly 12, and the outer frame 9, the water suction cylinder 13 can switch positions to absorb and treat surface water, preventing it from affecting the safety of pedestrians and vehicles. Furthermore, by utilizing the cooperation of the sliding rod 7, the squeezing plate 5, and the connecting belt 3, the water suction cylinder 13 can automatically drain the water after absorption, thereby achieving continuous water collection and improving the practicality of the device.

[0034] Combination Figures 1-5 As shown, the present invention provides a water collection device for underground spaces, comprising:

[0035] The outer frame 9 has a take-up shaft 2 rotatably connected to its top. A connecting strip 3 is wound around the outer surface of the take-up shaft 2. An extrusion plate 5 is fixedly connected to the other end of the connecting strip 3. An elastic element is fixedly connected to the side wall of the extrusion plate 5, and a slide rod 7 is fixedly connected to the side wall of the extrusion plate 5.

[0036] It should be noted that a fastener 4 is fixedly connected to the top of the extrusion plate 5, and the connecting strap 3 is connected to the fastener 4 and connected to the extrusion plate 5 through the fastener 4.

[0037] The water suction cylinder 13 is detachably mounted on the slide rod 7 and is located inside the outer frame 9. The end of the water suction cylinder 13 away from the slide rod 7 is fixedly connected to the rotating shaft 14, and the other end of the rotating shaft 14 is fixedly connected to the swing arm assembly 12. The swing arm assembly 12 is used to drive the water suction cylinder 13 to swing in an arc, so that the water suction cylinder 13 moves between the top and bottom of the outer frame 9.

[0038] When the water suction cylinder 13 swings to the top of the outer frame 9, a water storage chamber 10 is provided below the water suction cylinder 13, and a water leakage plate 15 is provided between the water storage chamber 10 and the water suction cylinder 13, and the water leakage plate 15 is fixed on the inner wall of the outer frame 9.

[0039] Regarding the technical solution of this embodiment, the outer frame 9 is set as a cuboid shape and is made of stainless steel to prevent rust from occurring after long-term use, thus extending the service life of the device.

[0040] Regarding the technical solution of this embodiment, a first motor 1 is fixedly connected to the top of the take-up shaft 2, and the first motor 1 is installed on the top of the outer frame 9. The first motor 1 is powered by an external power source. Starting the first motor 1 drives the take-up shaft 2 to rotate, which can take up the connecting belt 3. At this time, the connecting belt 3 will drive the extrusion plate 5 to extrude the elastic element.

[0041] Regarding the technical solution of this embodiment, the elastic element includes a first spring 6 and a second spring 8. The first spring 6 and the second spring 8 are fixed on the extrusion plate 5 in a mirror-symmetrical manner, and the other end of the first spring 6 and the second spring 8 is fixed on the side wall of the outer frame 9. The first spring 6 and the second spring 8 are provided to provide elastic force to the extrusion plate 5 so that the extrusion plate 5 can be reset.

[0042] Regarding the technical solution of this embodiment, a through hole adapted to the slide rod 7 is provided on the side wall of the outer frame 9. The slide rod 7 passes through the outer frame 9 through the through hole. When the connecting belt 3 pulls the extrusion plate 5 to move, the extrusion plate 5 will extrude the first spring 6 and the second spring 8 and drive the slide rod 7 to extrude the water suction cylinder 13, thereby squeezing out the water on the water suction cylinder 13.

[0043] Regarding the technical solution of this embodiment, a support rod is provided at the center of the water suction cylinder 13, and a water-absorbing sponge is sleeved on the outer surface of the support rod. The support rod is fixedly connected to the rotating shaft 14, and the end of the water-absorbing sponge near the slide rod 7 is detachably installed between the slide rod 7 and the sponge via a buckle. The buckle is a semi-circular retaining ring, and the opening of the semi-circular retaining ring is adapted to the slide rod 7. When the water suction cylinder 13 moves to the top of the outer frame 9, the semi-circular retaining ring will engage with the slide rod 7 through the opening, thereby allowing the slide rod 7 to support the water suction cylinder 13. It is clear that the number of sliding rods 7 is at least two. The water-absorbing sponge is sleeved on the support rod. The two sliding rods 7 are symmetrically and detachably installed on the water-absorbing sponge. When the squeezing plate 5 drives the sliding rods 7 to squeeze the water-absorbing sponge, the water-absorbing sponge can be evenly stressed on both sides, thereby enhancing the squeezing and drainage effect. In addition, since there are at least two sliding rods 7, the two sliding rods 7 are mounted on the outer frame 9 through the through holes, which can also provide support and guidance for the squeezing plate 5, so that the squeezing plate 5 can always move in a straight line in the horizontal direction.

[0044] Regarding the technical solution of this embodiment, an arc-shaped groove 16 adapted to the rotating shaft 14 is provided on the side wall of the outer frame 9. The arc-shaped groove 16 facilitates the provision of support and guidance for the rotating shaft 14.

[0045] Regarding the technical solution of this embodiment, such as Figure 2 and Figure 3 As shown, the swing arm assembly 12 includes a first swing arm 121 rotatably connected to the side wall of the outer frame 9. One end of the first swing arm 121 is fixedly connected to the rotating shaft 14, and the other end is rotatably connected to a second swing arm 122. The free end of the second swing arm 122 is rotatably connected to a third swing arm 123. The free end of the third swing arm 123 is fixedly connected to a second motor 11, which is mounted on the side wall of the outer frame 9. The third swing arm 123 is fixed to the output shaft of the second motor 11. When the second motor 11 is started, its output shaft drives the third swing arm 123 to deflect in the positive direction, thus using the third swing arm 123 to pull the second swing arm. The first swing arm 121 rotates when the first swing arm 122 moves, which in turn drives the rotating shaft 14 to move along the arc groove 16. This allows the water suction cylinder 13 to move downwards to the bottom of the outer frame 9. The bottom of the outer frame 9 has an opening that matches the water suction cylinder 13, making it easy for the water suction cylinder 13 to contact the ground and thus absorb the accumulated water. After collection, the second motor 11 is started again to drive the third swing arm 123 to rotate in the opposite direction. The second swing arm 122 and the first swing arm 121 move together to move the water suction cylinder 13 to the top of the outer frame 9.

[0046] It should be noted that the shape of the absorbent sponge will not be significantly deformed after absorbing water. Therefore, when the water-absorbing cylinder 13 is reset after absorbing water, the buckle and the slide rod 7 can still be effectively connected.

[0047] Specifically, multiple sets of this device are first installed on the ground of the underground space, mainly at entrances and exits and in locations prone to water accumulation. When water accumulates, the second motor 11 is activated, causing its output shaft to rotate the third swing arm 123 in the positive direction. The third swing arm 123 then pulls the second swing arm 122 to move, which in turn drives the first swing arm 121 to rotate. When the first swing arm 121 rotates, it drives the rotating shaft 14 to move along the arc-shaped groove 16. At this time, the water suction cylinder 13 moves downward to the bottom of the outer frame 9. The bottom of the outer frame 9 has an opening that matches the water suction cylinder 13. At this point, the water suction cylinder 13 contacts the ground, thus absorbing the accumulated water. After the water has been absorbed, the second motor is activated again. 11 drives the third swing arm 123 to rotate in the opposite direction, so that the second swing arm 122 and the first swing arm 121 can move the water suction cylinder 13 to the top of the outer frame 9. At this time, the buckle and the slide rod 7 are connected and fixed. Then, the first motor 1 is started to drive the winding shaft 2 to rotate and wind up the connecting belt 3. At this time, the connecting belt 3 will drive the extrusion plate 5 to squeeze the elastic element and drive the slide rod 7 to squeeze the water-absorbing sponge, so that the water in the water-absorbing sponge is discharged and flows into the water storage chamber 10 through the drainage plate 15. After the first motor 1 is turned off, the extrusion plate 5 is reset under the action of the first spring 6 and the second spring 8, thus completing the entire collection step. In this way, the water absorption efficiency can be improved and the safety of pedestrians and vehicles can be avoided by the accumulation of water in the underground space.

[0048] The following description, in conjunction with the accompanying drawings and embodiments, provides a further explanation of the underground space water collection device provided by this utility model.

[0049] A device for collecting water in underground spaces, comprising:

[0050] The outer frame 9 has a take-up shaft 2 rotatably connected to its top. A connecting strip 3 is wound around the outer surface of the take-up shaft 2. An extrusion plate 5 is fixedly connected to the other end of the connecting strip 3. An elastic element is fixedly connected to the side wall of the extrusion plate 5, and a slide rod 7 is fixedly connected to the side wall of the extrusion plate 5.

[0051] The water suction cylinder 13 is detachably mounted on the slide rod 7 and is located inside the outer frame 9. The end of the water suction cylinder 13 away from the slide rod 7 is fixedly connected to the rotating shaft 14, and the other end of the rotating shaft 14 is fixedly connected to the swing arm assembly 12. The swing arm assembly 12 is used to drive the water suction cylinder 13 to swing in an arc, so that the water suction cylinder 13 moves between the top and bottom of the outer frame 9.

[0052] When the water suction cylinder 13 swings to the top of the outer frame 9, a water storage chamber 10 is provided below the water suction cylinder 13, and a water leakage plate 15 is provided between the water storage chamber 10 and the water suction cylinder 13, and the water leakage plate 15 is fixed on the inner wall of the outer frame 9.

[0053] The working principle and usage process of this utility model are as follows: First, multiple sets of this device are installed on the ground of an underground space, mainly at entrances and exits and in locations prone to water accumulation. When water accumulates, the second motor 11 is activated, causing its output shaft to drive the third swing arm 123 to deflect in the positive direction. The third swing arm 123 then pulls the second swing arm 122 to move, thereby driving the first swing arm 121 to rotate. When the first swing arm 121 rotates, it drives the rotating shaft 14 to move along the arc-shaped groove 16. At this time, the water suction cylinder 13 is moved downward to the bottom of the outer frame 9. The bottom of the outer frame 9 has an opening that matches the water suction cylinder 13. At this time, the water suction cylinder 13 contacts the ground, thus completing the purpose of absorbing the accumulated water. After the accumulated water is absorbed, the device is activated again. The second motor 11 drives the third swing arm 123 to rotate in the opposite direction. The second swing arm 122 and the first swing arm 121 can then move the water suction cylinder 13 to the top of the outer frame 9. At this time, the buckle and the slide rod 7 are connected and fixed. Then, the first motor 1 is started to drive the winding shaft 2 to rotate and wind up the connecting belt 3. At this time, the connecting belt 3 will drive the extrusion plate 5 to squeeze the elastic element and drive the slide rod 7 to squeeze the water-absorbing sponge, so that the water in the water-absorbing sponge is discharged and flows into the water storage chamber 10 through the drainage plate 15. After the first motor 1 is turned off, the extrusion plate 5 is reset under the action of the first spring 6 and the second spring 8, thus completing the entire collection process. In this way, the water absorption efficiency can be improved and the safety of pedestrians and vehicles can be avoided by water accumulation in the underground space.

[0054] In this invention, the term "plural" refers to two or more items unless otherwise expressly defined. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items. The terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; "linking" can be a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0055] It should be noted that when a component is referred to as being "assembled on," "mounted on," "fixed to," or "set on" another component, it can be directly on the other component or there may be an intermediate component. When a component is considered to be "connected to" another component, it can be directly connected to the other component or there may be an intermediate component present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0056] In the description of this specification, the terms "one embodiment," "some embodiments," "specific embodiment," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0057] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An underground space water accumulation collecting device characterized by, Include: The top of the outer frame (9) is rotatably connected with a winding shaft (2), the outer surface of the winding shaft (2) is wound with a connecting belt (3), the other end of the connecting belt (3) is fixedly connected with an extrusion plate (5), the side wall of the extrusion plate (5) is fixedly connected with an elastic member, and the side wall of the extrusion plate (5) is fixedly connected with a sliding rod (7); The water absorption cylinder (13) is detachably mounted on the sliding rod (7), and the water absorption cylinder (13) is located inside the outer frame (9), one end of the water absorption cylinder (13) away from the sliding rod (7) is fixedly connected with a rotating shaft (14), the other end of the rotating shaft (14) is fixedly connected with a swing arm assembly (12), the swing arm assembly (12) is used to drive the water absorption cylinder (13) to swing in an arc shape, so that the water absorption cylinder (13) moves between the top and the bottom of the outer frame (9); When the water absorption cylinder (13) swings to the top of the outer frame (9), a water storage cavity (10) is arranged below the water absorption cylinder (13), a water leakage plate (15) is arranged between the water storage cavity (10) and the water absorption cylinder (13), and the water leakage plate (15) is fixed on the inner wall of the outer frame (9).

2. An underground space water collection apparatus according to claim 1, wherein The outer frame (9) is integrally provided in a cuboid shape, and the outer frame (9) is made of stainless steel.

3. A subsurface water collection apparatus according to claim 2, wherein, The top of the winding shaft (2) is fixedly connected with a first motor (1), and the first motor (1) is mounted on the top of the outer frame (9).

4. The underground space water collection apparatus according to claim 2, wherein The elastic member includes a first spring (6) and a second spring (8), the first spring (6) and the second spring (8) are fixedly connected on the extrusion plate (5) in mirror image symmetry, and the other end of the first spring (6) and the second spring (8) is fixed on the side wall of the outer frame (9).

5. A subsurface water collection apparatus according to claim 4, wherein, A through hole is formed in the side wall of the outer frame (9) and matched with the sliding rod (7), and the sliding rod (7) penetrates the outer frame (9) through the through hole.

6. A groundwater accumulation collection device according to claim 5, wherein, A support rod is arranged at the center of the water absorption cylinder (13), a water absorption sponge is sleeved on the outer surface of the support rod, the support rod is fixedly connected with the rotating shaft (14), and one end of the water absorption sponge close to the sliding rod (7) is detachably mounted between the sliding rod (7) and the buckle.

7. The underground space water collection apparatus according to claim 5, wherein The swing arm assembly (12) includes a first swing arm (121) rotatably connected to the side wall of the outer frame (9), one end of the first swing arm (121) is fixedly connected with the rotating shaft (14), the other end is rotatably connected with a second swing arm (122), the free end of the second swing arm (122) is rotatably connected with a third swing arm (123), the free end of the third swing arm (123) is fixedly connected with a second motor (11), and the second motor (11) is mounted on the side wall of the outer frame (9).

8. A groundwater accumulation collection device according to claim 7, wherein, An arc-shaped groove (16) matched with the rotating shaft (14) is formed in the side wall of the outer frame (9).