Cement-soil mixing pile strength detection device
By designing a cement-soil mixing pile strength testing device with limiting and driving mechanisms, the problem of cement-soil mixing piles breaking and being difficult to clean during the testing process has been solved, achieving safe and efficient testing and cleaning.
Patent Information
- Application Number
- CN202422669971.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-04
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2034-11-04
AI Technical Summary
Existing cement mixing piles are prone to breakage due to pressure during testing, resulting in concrete blocks flying everywhere, endangering the safety of the testers. At the same time, cleaning is difficult, time-consuming and labor-intensive.
A cement-soil mixing pile strength testing device was designed, comprising a testing box, a drive box, a limiting mechanism, a sealing component, and a drive mechanism. The cement-soil mixing pile is fixed by the limiting component and the sealing component, and the drive mechanism is used to push the baffle to push the fragments out of the testing box, thereby achieving safe cleaning.
It effectively prevents cement-soil mixing piles from breaking during testing, ensuring testing safety, simplifies the cleaning process, and avoids the dangers and time-consuming and labor-intensive problems of manual cleaning.
Smart Images
Figure CN223824236U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a cement soil mixing pile strength detection device and belongs to the field of building material strength detection. BACKGROUND
[0002] In recent years, cement soil mixing piles are often used for reinforcement treatment when treating silt, silt soil, silt, silty clay and other soft foundations. The cement soil mixing pile is a "cement soil pile" formed by mixing cement and a small amount of additives with the foundation soil on site, which has the advantages of low price, convenient construction and no environmental pollution. However, it has high requirements for construction technology. During construction, it is difficult to control the cement and soil mixing ratio and the mixing uniformity, and quality problems may occur if not properly controlled. Common problems include uneven mixing of cement and soil, resulting in insufficient or no cement in some areas. In order to determine the quality of the cement, part of the pile body is taken for strength detection.
[0003] In the existing process of detecting the compressive strength of cement mixing piles, the cement column may be damaged due to pressure, causing concrete blocks to splash, which not only harms the testers or objects outside the testing device, but also makes it difficult to clean the cement mixing pile later, which is time-consuming and labor-intensive and may cause personal injury. UTILITY MODEL CONTENTS
[0004] In view of the deficiencies of the prior art, the utility model aims to provide a cement soil mixing pile strength detection device.
[0005] To achieve the above-mentioned purpose, the utility model is realized by the following technical scheme:
[0006] A cement soil mixing pile strength detection device, comprising a detection box and a drive box, the detection box and the drive box are connected through an inlet and outlet, a sealed box door and a display are arranged on the front of the detection box, an installation groove is formed in the middle of the bottom of the detection box, a pressure sensor is arranged in the installation groove, a pressure plate is arranged above the pressure sensor, a limiting mechanism is arranged on the top of the pressure plate, a hydraulic cylinder is arranged on the top of the detection box, a lower pressing plate corresponding to the pressure plate is connected to the bottom of the hydraulic cylinder, a front baffle is arranged on the bottom of the opening side of the detection box, the front baffle is vertically slidingly connected to the inside of the detection box, a rear baffle is arranged in the inlet and outlet, a bottom inclined block is fixedly arranged on the rear side of the middle of the rear baffle, the bottom inclined block is horizontally slidingly connected to the inside of the drive box, the detection box and the drive box are provided with a drive mechanism matched with the front baffle and the bottom inclined block.
[0007] Further, the limiting mechanism comprises a plurality of positioning grooves formed on the top of the pressure bearing plate, a threaded hole is formed at the bottom center of the positioning groove, and the limiting mechanism further comprises a limiting piece matched with the threaded hole and a blocking piece.
[0008] Further, the limiting piece comprises a positioning rod and a threaded column, the threaded column is fixed at the bottom center of the positioning rod, the bottom of the positioning rod is inserted into the positioning groove, and the threaded column is threadedly connected in the threaded hole.
[0009] Further, the blocking piece comprises a blocking block, the blocking block is a concentric cylinder, the top of the blocking block is located on the same plane as the top of the pressure bearing plate, the circumferential outer surface of the blocking block is provided with an elastic clamping ring, and a clamping groove matched with the elastic clamping ring is formed on the inner wall of the positioning groove.
[0010] Further, the driving mechanism comprises a gas cylinder fixed at the top center of the driving box, a top inclined block is connected to the bottom output end of the gas cylinder, the inclined ends of the top inclined block and the bottom inclined block are extruded together, one end of a traction rope is connected to the top side of the top inclined block, and the other end of the traction rope extends to the inside of the detection box and is connected and fixed to the top of the front baffle through the driving box.
[0011] Further, vertical sliding blocks one are arranged on the both sides of the outer surface of the front baffle, and vertical sliding grooves one matched with the vertical sliding blocks one are formed on the inner walls on the both sides of the opening of the detection box.
[0012] Further, the inner walls of the detection box and the driving box are provided with a communication channel matched with the traction rope, and a guide wheel matched with the traction rope is arranged in the communication channel.
[0013] Further, horizontal sliding blocks are arranged on the both sides of the outer surface of the bottom inclined block, and horizontal sliding grooves matched with the horizontal sliding blocks are formed on the inner wall of the driving box, and reset springs matched with the horizontal sliding blocks are further arranged in the horizontal sliding grooves.
[0014] Further, vertical sliding blocks two are arranged on the both sides of the outer surface of the top inclined block, and vertical sliding grooves two matched with the vertical sliding blocks two are formed on the inner wall of the driving box.
[0015] The utility model discloses the beneficial effects of:
[0016] Through the design of the limiting mechanism, after the cement-soil mixing pile is placed on the pressure plate inside the detection box, according to the size of the cement-soil mixing pile, a corresponding number of limiting pieces can be installed in the corresponding position of the positioning groove, thereby limiting the cement-soil mixing pile, and the other positioning grooves are blocked by the blocking piece, so as to avoid the interference and damage caused by the broken fragments entering the positioning groove.
[0017] Through the design of the limiting piece, the bottom of the positioning rod is inserted into the positioning groove, the threaded column is threadedly connected in the threaded hole, and then the positioning rod is fixed on the top of the pressure plate to form a limiting structure, so as to avoid the cement-soil mixing pile from shaking at will.
[0018] Through the design of the blocking piece, the blocking block can be pressed into the positioning groove, the elastic clamping ring on the side of the blocking block is clamped in the clamping groove on the inner wall of the positioning groove, thereby ensuring that the blocking block and the positioning groove are stably connected together, the top of the blocking block is at the same horizontal line with the top of the pressure plate, and the rear baffle can pass horizontally while ensuring the blocking.
[0019] Through the design of the driving mechanism, the top inclined block can be lowered by the cylinder, and the bottom inclined block is extruded while the top inclined block is lowered, the bottom inclined block is horizontally moved by the extrusion of the inclined surface, and the cement-soil mixing pile and the broken pieces generated by the extrusion are pushed out of the detection box through the rear baffle while the bottom inclined block is horizontally moved, so as to perform the waste dumping work, and at the same time, the top inclined block is lowered, the front baffle is pulled up by the traction rope, the front baffle is lifted to the top of the opening of the detection box, thereby not affecting the action of horizontally pushing the waste by the rear baffle. BRIEF DESCRIPTION OF DRAWINGS
[0020] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.
[0021] Figure 1 It is a general structure schematic view of the cement-soil mixing pile strength detection device.
[0022] Figure 2 It is a sectional structure schematic view of the cement-soil mixing pile strength detection device.
[0023] Figure 3 It is an internal structure schematic view of the cement-soil mixing pile strength detection device.
[0024] Figure 4The pressure bearing plate of the cement soil mixing pile strength detection device is connected with the plugging piece through the connecting structure.
[0025] Figure 5 The limiting piece structure diagram of the cement soil mixing pile strength detection device.
[0026] In the figure, 1, detection box; 2, drive box; 3, display; 4, sealed box door; 5, positioning groove; 6, threaded hole; 7, plugging block; 8, elastic clamping ring; 9, positioning rod; 10, threaded column; 11, hydraulic cylinder; 12, lower pressing plate; 13, front baffle; 14, rear baffle; 15, vertical sliding block one; 16, vertical sliding groove one; 17, horizontal sliding block; 18, bottom inclined block; 19, air cylinder; 20, top inclined block; 21, vertical sliding block two; 22, vertical sliding groove two; 23, traction rope; 24, clamping groove; 25, pressure bearing plate. DETAILED DESCRIPTION
[0027] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.
[0028] Please refer to Figures 1-5The utility model provides a cement soil mixing pile strength detection device technical scheme, including detection box 1 and drive box 2, the detection box 1 with drive box 2 is connected through the import and export, the detection box 1 front is equipped with sealing box door 4 and display 3, the bottom middle part of detection box 1 is equipped with the mounting groove, the mounting groove is equipped with pressure sensor, the upper side of pressure sensor is equipped with bearing plate 25, in the field of building material detection, the connection between pressure sensor and bearing plate 25 belongs to conventional technical means, therefore does not have too much repetition, the top of bearing plate 25 is equipped with limiting mechanism, the top of detection box 1 is equipped with hydraulic cylinder 11, the bottom of hydraulic cylinder 11 is connected with the lower plate 12 corresponding with bearing plate 25, the bottom of the opening side in detection box 1 is equipped with front baffle 13, front baffle 13 is vertically slidingly connected in the detection box 1, the both sides of the outer surface of front baffle 13 are equipped with vertical sliding block one 15, the both sides inner walls of the opening of detection box 1 are equipped with vertical sliding slot one 16 matched with vertical sliding block one 15, the rear baffle 14 is equipped in the import and export, the rear side middle part of rear baffle 14 is fixed with bottom inclined surface block 18, bottom inclined surface block 18 is horizontally slidingly connected in drive box 2, the both sides of the outer surface of bottom inclined surface block 18 are equipped with horizontal sliding block 17, the inner wall of drive box 2 is equipped with horizontal sliding slot matched with horizontal sliding block 17, the horizontal sliding slot is further equipped with reset spring matched with horizontal sliding block 17, bottom inclined surface block 18 is horizontally slidingly connected in drive box 2, detection box 1 with drive box 2 is equipped with drive mechanism matched with front baffle 13 and bottom inclined surface block 18.
[0029] Refer to Figures 2-5 The limiting mechanism includes a plurality of positioning grooves 5 formed in the top of the bearing plate 25, a threaded hole 6 is formed at the center of the bottom of the positioning groove 5, and the limiting mechanism further includes a limiting piece and a plugging piece matched with the threaded hole 6. After the cement soil mixing pile is placed on the bearing plate 25 in the detection box 1, the corresponding number of limiting pieces can be installed in the corresponding positioning grooves 5 according to the size of the cement soil mixing pile, so as to limit the cement soil mixing pile, and the other positioning grooves 5 are plugged by the plugging piece to avoid the interference and damage caused by the broken fragments entering the positioning grooves 5.
[0030] Refer to Figure 5The limiting piece includes a positioning rod 9 and a threaded column 10, the threaded column 10 is fixed at the bottom center of the positioning rod 9, the bottom of the positioning rod 9 is inserted into the positioning groove 5, and the threaded column 10 is threadedly connected in the threaded hole 6; through the design of the limiting piece, the bottom of the positioning rod 9 can be inserted into the positioning groove 5, the threaded column 10 is threadedly connected in the threaded hole 6, and then the positioning rod 9 is fixed on the top of the pressure plate 25 to form a limiting structure, so that the cement-soil mixing pile is prevented from shaking randomly.
[0031] Referring to Figure 4 The plugging piece includes a plugging block 7, the plugging block 7 is a concentric cylinder, the top of the plugging block 7 is located in the same plane as the top of the pressure plate 25, and the circumferential outer surface of the plugging block 7 is provided with an elastic clamping ring 8, and the inner wall of the positioning groove 5 is provided with a clamping groove 24 matched with the elastic clamping ring 8; through the design of the plugging piece, the plugging block 7 can be pressed into the positioning groove 5, the elastic clamping ring 8 on the side of the plugging block 7 is clamped together with the clamping groove 24 on the inner wall of the positioning groove 5, so that the plugging block 7 and the positioning groove 5 are stably connected together, and the top of the plugging block 7 is located in the same horizontal line as the top of the pressure plate 25, so that the plugging is ensured, and it is also ensured that the rear baffle 14 can pass horizontally.
[0032] Referring to Figures 2-3 The driving mechanism includes a gas cylinder 19 fixed at the top center in the driving box 2, the bottom output end of the gas cylinder 19 is connected with a top inclined block 20, both sides of the outer surface of the top inclined block 20 are provided with vertical sliding blocks two 21, the inner wall of the driving box 2 is provided with vertical sliding grooves two 22 matched with the vertical sliding blocks two 21, the inclined surfaces of the top inclined block 20 and the bottom inclined block 18 are extruded together, one side of the top of the top inclined block 20 is connected with one end of a traction rope 23, the other end of the traction rope 23 extends through the driving box 2 to the inside of the detection box 1 and is connected and fixed with the top of the front baffle 13, the inner walls of the detection box 1 and the driving box 2 are provided with communication channels matched with the traction rope 23, and the communication channels are provided with guide wheels matched with the traction rope 23; through the design of the driving mechanism, the top inclined block 20 can be pushed down by the gas cylinder 19, the top inclined block 20 is extruded downward at the same time, the bottom inclined block 18 is horizontally moved through the extrusion of the inclined surface, the bottom inclined block 18 is horizontally moved at the same time, the cement-soil mixing pile and the crushed block generated by extrusion are pushed out of the pressure plate 25 and into the detection box 1 through the rear baffle 14, and the waste dumping work is carried out, at the same time, the front baffle 13 is pulled up through the traction rope 23 when the top inclined block 20 is lowered, the front baffle 13 is lifted to the top of the opening of the detection box 1, and then the action of horizontally pushing the waste by the rear baffle 14 is not affected.
[0033] In use, the cement-soil mixing pile is placed on the pressure plate 25 inside the detection box 1, then according to the size of the cement-soil mixing pile, a corresponding number of limiting pieces are installed in the corresponding position of the positioning groove 5, and then the cement-soil mixing pile is limited, and the other several positioning grooves 5 are blocked by the blocking piece to avoid the interference and damage of the broken fragments entering the positioning groove 5, then the hydraulic cylinder 11 is started to drive the lower plate 12 to descend, the lower plate 12 is pressed against the cement-soil mixing pile, and the pressing value is transmitted to the display 3 by the pressure sensor for data display, which is convenient for personnel to check and understand;
[0034] In the process of strength test, the cement-soil mixing pile will be broken, at this time, because the weight of the cement-soil mixing pile is large, personnel is not convenient to clean up, at this time, only need to take down several limiting pieces, then through the driving mechanism to lift the front baffle 13 and synchronously horizontally push the rear baffle 14, through the horizontally moving rear baffle 14 to push the cement-soil mixing pile and the crushed block generated by extrusion from the pressure plate 25, and carry out waste dumping work;
[0035] The movement process of the driving mechanism is as follows, the cylinder 19 is started to push the top inclined block 20 to descend, the top inclined block 20 descends at the same time to extrude the bottom inclined block 18, the bottom inclined block 18 is horizontally moved through the extrusion of the inclined surface, the bottom inclined block 18 is horizontally moved at the same time to push the cement-soil mixing pile and the crushed block generated by extrusion from the pressure plate 25 through the rear baffle 14, and carry out waste dumping work, synchronously, the top inclined block 20 descends to pull the front baffle 13 up through the traction rope 23, the front baffle 13 rises to the top of the opening of the detection box 1, and then does not affect the horizontal pushing action of the rear baffle 14 to move the waste.
[0036] Although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.
Claims
1. A strength testing device for cement-soil mixing piles, characterized in that, The test chamber includes a test chamber (1) and a drive chamber (2), which are connected by an inlet and outlet. The test chamber (1) has a sealed door (4) and a display (3) at the front. A mounting groove is provided in the middle of the bottom of the test chamber (1), and a pressure sensor is provided in the mounting groove. A pressure plate (25) is provided above the pressure sensor, and a limiting mechanism is provided at the top of the pressure plate (25). A hydraulic cylinder (11) is provided at the top of the test chamber (1), and a lower pressure plate (12) corresponding to the pressure plate (25) is connected to the bottom of the hydraulic cylinder (11). (1) A front baffle (13) is provided at the bottom of one side of the internal opening. The front baffle (13) is vertically slidably connected to the inside of the detection box (1). A rear baffle (14) is provided inside the inlet and outlet. A bottom inclined block (18) is fixed in the middle of the rear side of the rear baffle (14). The bottom inclined block (18) is horizontally slidably connected to the inside of the drive box (2). A drive mechanism that cooperates with the front baffle (13) and the bottom inclined block (18) is provided between the detection box (1) and the drive box (2).
2. The cement-soil mixing pile strength testing device according to claim 1, characterized in that, The limiting mechanism includes several positioning grooves (5) formed on the top of the pressure plate (25), and a threaded hole (6) is formed at the bottom center of the positioning groove (5). The limiting mechanism also includes a limiting member and a sealing member that cooperate with the threaded hole (6).
3. The cement-soil mixing pile strength testing device according to claim 2, characterized in that, The limiting component includes a positioning rod (9) and a threaded post (10). The threaded post (10) is fixed at the bottom center of the positioning rod (9). The bottom of the positioning rod (9) is inserted into the positioning groove (5). The threaded post (10) is threaded into the threaded hole (6).
4. The cement-soil mixing pile strength testing device according to claim 3, characterized in that, The sealing component includes a sealing block (7), which is a concentric cylinder. The top of the sealing block (7) and the top of the pressure plate (25) are located on the same plane. An elastic snap ring (8) is provided on the outer circumference of the sealing block (7). A snap groove (24) that cooperates with the elastic snap ring (8) is provided on the inner wall of the positioning groove (5).
5. The cement-soil mixing pile strength testing device according to claim 4, characterized in that, The driving mechanism includes a cylinder (19) fixed at the top center inside the drive box (2). The bottom output end of the cylinder (19) is connected to a top inclined block (20). The inclined ends of the top inclined block (20) and the bottom inclined block (18) are pressed together. One end of a traction rope (23) is connected to the top side of the top inclined block (20). The other end of the traction rope (23) passes through the drive box (2) and extends into the detection box (1) to be connected and fixed to the top of the front baffle (13).
6. The cement-soil mixing pile strength testing device according to claim 5, characterized in that, The front baffle (13) has vertical sliders (15) on both sides of its outer surface, and vertical grooves (16) that cooperate with the vertical sliders (15) are opened on both sides of the inner wall of the opening of the detection box (1).
7. The cement-soil mixing pile strength testing device according to claim 6, characterized in that, The inner walls of both the detection box (1) and the drive box (2) are provided with a communication channel that cooperates with the traction rope (23), and a guide wheel that cooperates with the traction rope (23) is provided in the communication channel.
8. The cement-soil mixing pile strength testing device according to claim 7, characterized in that, The bottom inclined block (18) has horizontal sliders (17) on both sides of its outer surface. The inner wall of the drive box (2) has a horizontal groove that cooperates with the horizontal sliders (17). The horizontal groove also has a return spring that cooperates with the horizontal sliders (17).
9. The cement-soil mixing pile strength testing device according to claim 8, characterized in that, The top inclined block (20) has vertical sliders (21) on both sides of its outer surface, and the drive box (2) has vertical grooves (22) that cooperate with the vertical sliders (21) on its inner wall.