Test pit water injection test device capable of preventing external interference

Abstract

The utility model belongs to the technical field of test pit water injection test equipment, and discloses a test pit water injection test device capable of preventing external interference, the test pit water injection test device comprises a protection assembly and a test assembly, the protection assembly comprises a side enclosure frame and a cover plate, and the side enclosure frame forms a test area; one ends of the two cover plates are detachably connected with each other; the test assembly comprises a support, a water supply bottle and an iron ring piece. The two ends of the support are detachably connected with the two opposite sides of the side enclosure frame respectively. At least one water supply bottle is inversely arranged on the support, a water level gauge is arranged on the water supply bottle, and a water outlet of the water supply bottle is connected with the iron ring piece through a water pipe; the iron ring piece is arranged below the support and connected with the support through the connecting rope. The protection assembly is arranged on the test assembly, so that a wind-proof and external interference protection cover does not exist during construction site and field work; the problems that the amount of water permeating into soil cannot be accurately measured and recorded due to excessive water loss or great influence of environmental factors, the permeability coefficient of the soil is difficult to accurately measure, and the requirements on measurement precision and efficiency cannot be met in the prior art are solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the test pit water injection test equipment technical field, concretely relates to a test pit water injection test device of preventing outside interference. BACKGROUND

[0002] The test pit water injection test instrument and equipment can measure the permeability parameters of unsaturated soil, and the single-ring method is suitable for sand and silt tests, and the double-ring method is suitable for clay tests. With the detection of soil permeability, the traditional test pit water injection test has limitations under engineering requirements.

[0003] For example, the Chinese utility model patent with publication number CN218995065U discloses a test pit water injection test device, which specifically discloses a test ring, a flow bottle assembly, and a support for placing the flow bottle assembly. The flow bottle assembly includes a flow bottle, a sealing plug arranged in the bottle opening of the flow bottle, and an air inlet pipe and a water outlet pipe arranged on the sealing plug. The test ring includes a soil insertion part and a transparent observation part. The support has a bottle body placement opening on the placement plate. The air inlet pipe includes a first straight pipe, a corrugated pipe, and a second straight pipe arranged integrally. The support has a positioning sleeve arranged below the bottle body placement opening. The second straight pipe is slidably connected in the positioning sleeve. The utility model can conveniently observe the distance between the air inlet pipe, the water outlet pipe, and the water level line of the test ring, reduce the device debugging time, and prevent the air inlet pipe from being submerged in the water in the flow bottle during adjustment, thereby avoiding accidental water discharge and improving the test efficiency.

[0004] However, due to unpredictable environmental factors such as strong winds and rainfall during field and outdoor work, and the lack of windproof and external interference protective covers for current instrument and equipment, environmental factors can lead to inaccurate measurement of water penetration into the soil, making it difficult to accurately measure the permeability coefficient of the soil, and the measurement accuracy and efficiency cannot meet the requirements of modern engineering rapid development. SUMMARY

[0005] Therefore, the test pit water injection test device provided by the present application can prevent external interference, solve the problem of inaccurate measurement of water penetration into the soil, and accurately measure the permeability coefficient of the soil.

[0006] The technical solution of the present application to solve the above technical problems is as follows:

[0007] A test pit water injection test device for preventing external interference, comprising:

[0008] The protective assembly comprises a side frame and two cover plates arranged at two ends of the side frame, and the side frame forms a test area; one end of the two cover plates is detachably connected with each other, and is used for covering and sealing the test area; the test assembly comprises a support, a water supply bottle and a ring member, two ends of the support are detachably connected with two opposite sides of the side frame respectively; at least one water supply bottle is arranged and is inverted on the support, a water level gauge is arranged on the water supply bottle, and a water outlet of the water supply bottle is connected with the ring member through a water pipe; the ring member is arranged below the support and is connected with the support through a connecting rope.

[0009] Preferably, the side frame is a transparent frame body, and hinges are arranged at the top of the two opposite sides of the transparent frame body, and the other end of the hinge is connected with the cover plate.

[0010] Preferably, the side frame is a transparent frame body, and a clamping groove is arranged at the top of the two opposite sides of the transparent frame body, and the two sides of the cover plate extend into the clamping groove and can reciprocally slide along the extension direction of the clamping groove.

[0011] Preferably, the two outer walls of the side frame are both provided with driving members, the driving end of the driving member is connected with the cover plate, and is used for driving the cover plate to reciprocally slide along the extension direction of the clamping groove.

[0012] Preferably, the driving member comprises a motor, a gear and a rack arranged at the lower end surface of the cover plate, the motor is detachably connected with the outer wall of the side frame, the gear is drivingly connected with the shaft extension end of the motor, and the gear is engaged with the rack.

[0013] Preferably, the width of the cover plate is not less than the width of the side frame.

[0014] Preferably, the length of the cover plate is not greater than half of the length of the side frame, and a sealing rubber plate is arranged at the end of the two cover plates which are detachably connected with each other, and the sealing rubber plate can seal the connection of the two cover plates.

[0015] Preferably, the ring member comprises an outer ring and an inner ring, water inlet connectors are oppositely arranged on the outer wall of the outer ring, a one-way valve is arranged on the water inlet connector, and the water inlet connector is connected with the water outlet of the water supply bottle; the inner ring is fixed in the outer ring through a connecting plate, and the inner ring is coaxially arranged with the outer ring.

[0016] The technical scheme adopted in the application can achieve the following beneficial effects:

[0017] The anti-external interference test pit water injection test device is arranged in the test site, the iron ring part is placed in the test site and pressed down, the support and the protection assembly are placed and covered on the top of the iron ring part, the cover plate is opened or removed, water is poured from the top of the water supply bottle, after the water is filled, the water quantity is recorded through the water level meter, and the switch on the water supply bottle is opened to make the water flow into the iron ring part, after the preset water quantity is reached, the cover plate is closed and the double-ring or single-ring test operation is performed, and the cover plate is opened to observe and record the water level in the iron ring part at intervals, so that the test is completed, and the protection assembly arranged on the test assembly solves the problems that there is no windproof and external interference protection cover in the construction site and the field work, the water loss is too large, or the environmental factors have a great influence, so that the water quantity infiltrated into the soil cannot be accurately measured, the soil permeability coefficient cannot be accurately measured, and the requirements in measurement accuracy and efficiency cannot be met. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a side view of the anti-external interference test pit water injection test device of the application Figure One .

[0019] Figure 2 It is a side view of the anti-external interference test pit water injection test device of the application Figure Two .

[0020] Figure 3 It is a schematic view of the iron ring part of the anti-external interference test pit water injection test device of the application.

[0021] Figure 4 It is a partial schematic view of the anti-external interference test pit water injection test device of the application Figure One .

[0022] Figure 5 It is a partial schematic view of the anti-external interference test pit water injection test device of the application Figure Two .

[0023] In the figure: protection assembly 100, side frame 110, clamping groove 111, motor 112, gear 113, rack 114, cover plate 120, sealing rubber plate 121, hinge 130, limiting part 140, cylinder 141, spring 142, movable tooth 143, test assembly 200, support 210, water supply bottle 220, water level meter 221, iron ring part 230, inner ring 231, outer ring 232, connecting plate 233. DETAILED DESCRIPTION

[0024] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the related drawings. The preferred embodiments of the present application are shown in the drawings. However, the present application can be implemented in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0025] It is to be understood that when an element as a precursor of the other element is referred to as being "on", "connected to" or "engaged to" another element, it can be directly on, connected to or engaged to the other element, or there can be an intervening element. As used herein, the terms "vertical", "horizontal", "left", "right", "top", "bottom", "lower", "upper" and the like are used for description only and not of limitation on the positions of embodiments.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0027] Please refer to Figures 1 to 5 The application provides a test pit water injection test device which prevents external interference, a protection assembly 100 and a test assembly 200. The protection assembly 100 comprises a side frame 110 and two cover plates 120 arranged at two ends of the side frame 110. The side frame 110 forms a test area. One end of each of the two cover plates 120 is detachably connected to each other, and is used for covering and sealing the test area. The test assembly 200 comprises a support 210, a water supply bottle 220 and an iron ring member 230. Two ends of the support 210 are respectively detachably connected to two opposite sides of the side frame 110. At least one water supply bottle 220 is arranged, and is inverted on the support 210. A water level meter 221 is arranged on the water supply bottle 220. A water outlet of the water supply bottle 220 is connected to the iron ring member 230 through a water pipe. The iron ring member 230 is arranged below the support 210, and is connected to the support 210 through a connecting rope.

[0028] Specifically, the side frame 110 adopts, but is not limited to, a cuboid box, a cuboid frame (the frame is surrounded by windproof cloth or plastic), etc., the cover plate 120 adopts, but is not limited to, a rubber plate, a glass plate, etc., two cover plates 120 are respectively arranged at two ends of the length direction of the side frame 110, the cover plate 120 can be detachably connected through a bolt buckle, etc., can also be hinged to enable the cover plate 120 to be flipped along the hinge, and can also be slid to enable the cover plate 120 to slide along the length direction of the side frame 110; the support 210 can be welded by, but is not limited to, steel, square steel, etc., two ends of the support 210 are connected with two side walls of the length direction of the side frame 110 through a bolt, a clamping groove 111, etc., the support 210 is provided with a fixing frame made of an iron ring, the fixing frame is used for fixing a water supply bottle 220, the fixing frame is in the shape of an inverted water bottle, a lower end surface of the support 210 is provided with a clamping ring, the clamping ring is provided with a connecting rope, the other end of the connecting rope is connected with an iron ring piece 230; the iron ring piece 230 uses a single ring or a double ring according to the test requirement, and the size is selected according to the test requirement; a bottle mouth of the water supply bottle 220 is provided with a rubber plug, the rubber plug is penetrated by a beveled glass tube, one end of a water pipe is connected with a water outlet of the beveled glass tube, the other end is connected with the iron ring piece 230, and the water supply bottle 220 is provided with a water level gauge 221, which is used for displaying the water storage capacity in the water supply bottle 220.

[0029] Further, the test pit water injection test device capable of preventing external interference is arranged in the test site, the iron ring piece 230 is placed and pressed in the test site, the support 210 and the protection assembly 100 are placed and covered above the iron ring piece 230, the cover plate 120 is opened or removed, water is poured from above the water supply bottle 220, after the water is filled, the water amount is recorded through the water level gauge 221, and the switch on the water supply bottle 220 is opened, so that water flows into the iron ring piece 230, after a preset water amount is reached, the cover plate 120 is closed, and a double ring or a single ring test operation is performed, and the cover plate 120 is opened at intervals to observe and record the water level in the iron ring piece 230, so that the test is completed.

[0030] The test pit water injection test device capable of preventing external interference adopted by the application can achieve the following beneficial effects:

[0031] By arranging the protection assembly 100 on the test assembly 200, the problems that there is no windproof and external interference protection cover in the construction site and the field work, the water loss is too large, or the environmental factors have a great influence, so that the water amount infiltrated into the soil cannot be accurately recorded, and the soil permeability coefficient cannot be accurately measured, and the measurement accuracy and efficiency cannot meet the requirements are solved.

[0032] Please refer to Figure 2In the above technical solution, in order to achieve the purpose of convenient operation, the side frame 110 is a transparent frame body, and opposite two side top portions of the transparent frame body are provided with hinges 130, and the other ends of the hinges 130 are connected to the cover plate 120.

[0033] The transparent frame body is used, and a scale is arranged on the iron ring member 230, the scale is attached to the inner wall of the iron ring member 230, the scale is observed from the outside of the side frame 110, and the problem of opening the cover plate 120 in succession is solved; preferably, the hinge 130 is used in the existing equipment, and the hinge 130 is fixed on the two side top portions of the side frame 110 in the length direction through bolts, and the cover plate 120 is connected to the other side of the hinge 130 through bolts; a handle is arranged on the upper end surface of the cover plate 120 and located at the end of the cover plate 120 away from the hinge 130, the cover plate 120 is flipped, the operation of opening the cover plate 120 is more convenient, and the problem that the service life of the cover plate 120 is reduced due to disassembly of the cover plate 120 is avoided.

[0034] In one preferred embodiment of the present application, in order to achieve the purpose of automation, the side frame 110 is a transparent frame body, and the opposite two side top portions of the transparent frame body are provided with clamping grooves 111, and the two sides of the cover plate 120 extend into the clamping grooves 111 and can reciprocate along the extension direction of the clamping grooves 111. The opposite two outer walls of the side frame 110 are each provided with a driving member, a driving end of the driving member is connected to the cover plate 120, and the driving member is used to drive the cover plate 120 to reciprocate along the extension direction of the clamping grooves 111.

[0035] Further, the driving member includes a motor 112, a gear 113, and a rack 114 arranged on the lower end surface of the cover plate 120, the motor 112 is detachably connected to the outer wall of the side frame 110, the gear 113 is drivingly connected to the shaft extension end of the motor 112, and the gear 113 is engaged with the rack 114. The clamping grooves 111 are arranged on the two sides in the width direction of the side frame 110, the length of the clamping grooves 111 is the same as the length of the side frame 110, and the two sides of the side frame 110 in the length direction are provided with through grooves, and the two sides of one end of the cover plate 120 extend into the clamping grooves 111 from the through grooves and can reciprocate along the extension direction of the clamping grooves 111.

[0036] Specifically, the side wall frame 110 is a transparent frame made of transparent material such as acrylic plate, plastic plate, etc., and the top of the outer wall of the two sides of the side wall frame 110 in the length direction is fixed with a motor 112 (the motor 112 is a reversible motor 112. The switch can control the forward and reverse rotation and the closing of the motor 112), and the shaft end of the motor 112 is connected with a gear 113; a gear rack 114 is arranged on the lower end surface of the cover plate 120, and the position of the gear rack 114 corresponds to the position of the gear 113, and the length is the same as the length of the cover plate 120; a power supply is arranged below the motor 112, and is fixedly connected with the outer side of the side wall frame 110, and is connected with the two motors 112 on the two sides of the side wall frame 110 respectively, and the rotating directions of the two motors 112 are just opposite.

[0037] A limiting piece 140 is arranged at both ends of the gear rack 114, and a cylinder 141 is arranged at the tooth at the beginning end and the tooth at the end of the gear rack 114, a spring 142 and a movable tooth 143 are sleeved on the cylinder 141, and the two ends of the spring 142 are connected with the movable tooth 143 and the tooth at the beginning end (end) of the gear rack 114 respectively.

[0038] When the cover plate 120 is in the initial state (the two cover plates 120 seal the side wall frame 110, and the gear 113 is engaged with the movable tooth 143 at the beginning end of the gear rack 114), the motor 112 is started to rotate in the first direction (the first direction is that the motor 112 at one end rotates counterclockwise, and the motor 112 at the other end rotates clockwise), so that the gear 113 moves from the movable tooth 143 at the beginning end of the gear rack 114 to the movable tooth 143 at the end of the gear rack 114, thereby making the two cover plates 120 move away from each other, when the cover plate 120 moves to the edge (when the gear 113 is engaged with the movable tooth 143 at the end of the gear rack 114), the gear 113 rotates at the movable tooth 143 at the end of the gear rack 114 or the motor 112 is turned off to make the gear 113 stop rotating, so as to ensure that the cover plate 120 does not move any more; after the operation is completed, the motor 112 is started to rotate in the second direction (the second direction is that the motor 112 at one end rotates clockwise, and the motor 112 at the other end rotates counterclockwise, which is opposite to the first direction), so that the gear 113 moves from the movable tooth 143 at the end of the gear rack 114 to the movable tooth 143 at the beginning end of the gear rack 114, thereby making the two cover plates 120 move towards each other, when the two cover plates 120 contact each other (when the gear 113 is engaged with the movable tooth 143 at the beginning end of the gear rack 114), the gear 113 rotates at the movable tooth 143 at the beginning end of the gear rack 114 or the motor 112 is turned off to make the gear 113 stop rotating, so as to ensure that the cover plate 120 does not move any more. By arranging the motor 112, the gear 113, the gear rack 114 and the limiting piece 140, the movement of the cover plate 120 is more convenient, and the problem of complicated operation is solved.

[0039] In the above scheme, in order to solve the problem of the sealing of the cover plate 120, the width of the cover plate 120 is not less than the width of the side frame 110; the length of the cover plate 120 is not greater than half the length of the side frame 110, and the end of the two cover plates 120 detachably connected with each other is provided with a sealing rubber plate 121, which can enable the two cover plates 120 to be sealingly connected.

[0040] The length of the cover plate 120 is half the length of the side frame 110, and the width of the cover plate 120 is the length between the two clamping grooves 111 of the side frame 110; an L-shaped sealing rubber plate 121 is arranged at one end of one cover plate 120 away from the motor 112, and an inverted L-shaped sealing rubber plate 121 is arranged at the other cover plate 120; the sealing rubber plates 121 on the two cover plates 120 are connected in cooperation, thereby achieving a sealing effect; by arranging the sealing rubber plate 121, the sealing effect is increased, and the sealing rubber plate 121 is provided with a rack 114, which can play a limiting role, thereby solving the problem that the cover plate 120 slides out of the clamping groove 111 and falls and is difficult to slide back and forth.

[0041] In the above embodiment, in order to improve its practicability, the iron ring piece 230 comprises an outer ring 232 and an inner ring 231, the outer wall of the outer ring 232 is oppositely provided with a water inlet connector, the water inlet connector is provided with a one-way valve, and the water inlet connector is connected with the water outlet of the water supply bottle 220; the inner ring 231 is fixed in the outer ring 232 through a connecting plate 233, and the inner ring 231 is coaxially arranged with the outer ring 232.

[0042] When the double-ring method is used for detection, the connecting plate 233 is arranged at the top of the outer ring 232 and the inner ring 231, so that the outer ring 232 and the inner ring 231 have the same height and are coaxially arranged; the water in the water supply bottle 220 enters between the outer ring 232 and the inner ring 231 through the water inlet connector of the outer ring 232 for double-ring method detection; when the single-ring method is used for detection, the connecting rope is removed and replaced with a single ring for detection; the operation is more simple and convenient, and it is more practical.

[0043] The above examples only express several embodiments of the present application, and the description is more specific and detailed, but it should not be understood as limiting the scope of the patent application. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are all within the scope of the present application. Therefore, the protection scope of the patent of the present application should be subject to the appended claims.

Claims

1. A test pit water injection test device for preventing external interference, characterized by, The utility model provides a kind of test device, including: Protective assembly, the protective assembly includes side frame and the two cover plates of being arranged at both ends of the side frame, the side frame forms test area; One end of two cover plates is detachably connected with each other, for covering and sealing the test area; Test assembly, the test assembly includes support, water supply bottle and iron ring piece, two ends of the support are respectively detachably connected with the two sides of the side frame opposite to each other;Water supply bottle is at least provided one, and is inverted on the support, water level gauge is provided on the water supply bottle, and the water outlet of the water supply bottle is connected with the iron ring piece by water pipe;The iron ring piece is arranged below the support, and is connected with the support by connecting rope.

2. The external disturbance protected in-situ water injection test device according to claim 1, characterized in that, The side frame is transparent frame body, and the top of the opposite two sides of the transparent frame body is provided with hinge, and the other end of the hinge is connected with the cover plate.

3. The external disturbance protected in-situ water injection test device of claim 1, wherein, The side frame is transparent frame body, and the top of the opposite two sides of the transparent frame body is provided with clamping groove, and the two sides of the cover plate extend into the clamping groove, and can reciprocate along the extension direction of the clamping groove.

4. The external disturbance protected in-situ water injection test device according to claim 3, characterized in that, Driving element is arranged on the two outer walls of the side frame, and the driving end of the driving element is connected with the cover plate, for driving the cover plate to reciprocate along the extension direction of the clamping groove.

5. The external disturbance protected in-situ water injection test device of claim 4, wherein, The driving element includes motor, gear and rack provided on the lower end surface of the cover plate, the motor is detachably connected on the outer wall of the side frame, the gear is drivingly connected with the shaft extension end of the motor, and the gear is engaged with the rack.

6. The undisturbed in situ soil water infiltration test apparatus of claim 1, wherein, The width of the cover plate is not less than the width of the side frame.

7. The external disturbance protected in-situ water injection test device of claim 6, wherein, The length of the cover plate is not more than half of the length of the side frame, and the sealing rubber plate is arranged on the end of two cover plates detachably connected with each other, and the sealing rubber plate can seal the connection of two cover plates.

8. The undisturbed in situ soil water infiltration test apparatus of claim 1, wherein, The iron ring piece includes outer ring and inner ring, water inlet connector is oppositely arranged on the outer wall of the outer ring, one-way valve is arranged on the water inlet connector, and the water inlet connector is connected with the water outlet of the water supply bottle;The inner ring is fixed in the outer ring by connecting plate, and the inner ring is coaxially arranged with the outer ring.

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