Concrete slump detection device
By designing a hopper and positioning column structure on the slump cone, the problems of concrete flow and verticality during slump cone testing were solved, achieving higher testing accuracy and experimental precision.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-28
- Publication Date
- 2026-03-24
AI Technical Summary
Existing slump test tubes are prone to affecting the accuracy of concrete slump testing when concrete falls onto the outer wall and base plate, and are not easy to lift vertically, resulting in poor experimental accuracy.
A concrete slump testing device was designed, comprising a hopper and a positioning column. The hopper intercepts the falling concrete, and the positioning column and connecting rod structure ensure the verticality of the slump cylinder. The linkage mechanism and pins are used to achieve stable lifting and lowering of the slump cylinder.
This improved the accuracy of the test, avoided the impact of concrete flowing during the test, ensured the vertical lifting of the slump cone, and enhanced the accuracy of the experiment.
Smart Images

Figure CN224035415U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to building material detection technical field, concretely relates to a concrete slump detection device. BACKGROUND
[0002] Concrete is the building material that cement, sand, stone and water etc. material are mixed according to certain proportion, is widely used in house, road, bridge etc. various construction engineering, and different engineering projects have different requirements to the quality of concrete, and the slump of concrete is one of important means to control the quality of concrete in construction engineering, and the slump of concrete will use slump cone.
[0003] But the existing slump cone when using, need to take off the hopper first, scrape off the extra concrete, at the same time with spatula, a series of operations such as flatten the concrete surface, will let the concrete scraped off fall on the outer wall surface of slump cone to flow to the bottom plate, thereby influence detection precision, when pulling up the slump cone, not easy to guarantee vertical pulling up, easy to make concrete be subjected to transverse and torsional effect, influence experimental accuracy. SUMMARY
[0004] The utility model wants to solve the technical problem to provide a concrete slump detection device, through the hopper can intercept the concrete that falls, and through the positioning column can ensure the verticality after lifting, to solve the problem raised in the above background art.
[0005] The utility model is through following technical scheme to realize: a concrete slump detection device, including bottom plate, slump cone and hopper, the slump cone is placed on the bottom plate, the hopper is set up on the end far from the bottom plate of slump cone, the both sides of bottom plate are vertically installed with positioning column, the outside of positioning column is equipped with positioning sleeve, positioning sleeve and slump cone are evenly installed with connecting rod between, the inner circle surface of positioning sleeve is opposite connecting rod and is equipped with recess, recess is extended to connecting rod, the inside of recess is equipped with the bolt that will limit positioning sleeve, connecting rod and slump cone on positioning column, the both sides of slump cone are equipped with grip bar, and a plurality of fixed plates are installed between grip bar and slump cone, and the fixed plate on one side is provided with linkage mechanism that synchronously drives bolt to move.
[0006] As preferred technical scheme, linkage mechanism includes pull rod, a plurality of compression springs and a plurality of steel wire ropes, the inside of connecting rod is equipped with wiring channel, one end of wiring channel is communicated with recess and is set up, the other end is bent and is communicated with outside and is set up, the fixed plate on one side is equipped with positioning channel, pull rod passes through positioning channel and is set up, one end of steel wire rope is installed on pull rod, the other end is extended to recess through wiring channel and is installed on bolt.
[0007] As a preferred technical scheme, the positioning column is provided with a screw hole at the end away from the bottom plate, a screw rod is threadedly connected in the screw hole, the other end of the screw rod is provided with a limiting block, the positioning column is provided with a first insertion hole on the section inside the positioning sleeve, and the other end of the insertion pin is inserted into the first insertion hole.
[0008] As a preferred technical scheme, the diameter of the recess and the insertion pin is greater than the inner diameter of the wiring channel.
[0009] As a preferred technical scheme, the middle of the hopper is provided with a sleeve, the sleeve is provided in a horn structure, the sleeve is sleeved on the end of the slump cylinder, and the inner side surface of the hopper is flush with the open end surface of the slump cylinder.
[0010] As a preferred technical scheme, the diameter of the limiting block is greater than the diameter of the positioning column.
[0011] The utility model discloses the beneficial effect is: the utility model discloses simple structure, and the top of slump cylinder is assembled with the hopper, and the inner side surface parallel arrangement has larger storage space, so that the subsequent concrete that wipes enters the hopper, avoids the influence detection accuracy that circulates to the slump cylinder and bottom plate, and through positioning column, positioning sleeve and connecting rod can make the slump cylinder vertical stable lifting, further ensure detection accuracy, and the slump cylinder can be positioned quickly. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is the whole structure schematic view of the utility model;
[0013] Figure 2 It is the side view of the utility model;
[0014] Figure 3 It is the structure schematic view of the utility model after removing any positioning column;
[0015] Figure 4 It is the cross section view of the utility model.
[0016] In the drawing, 1, slump cylinder; 2, bottom plate; 3, positioning column; 4, limiting block; 5, positioning sleeve; 6, connecting rod; 7, hopper; 8, handle rod; 9, fixed plate; 10, positioning channel; 11, pull rod; 12, steel wire rope; 13, second insertion hole; 14, sleeve; 15, insertion pin; 16, compression spring. DETAILED DESCRIPTION
[0017] The embodiments of the utility model are described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the utility model and cannot be understood as limiting the utility model.
[0018] As Figure 1 , Figure 2 , Figure 3 and Figure 4 shown, a kind of concrete slump detection device of the utility model, including bottom plate 2, slump cylinder 1 and hopper 7, the slump cylinder 1 is placed on bottom plate 2, hopper 7 is set on the end of slump cylinder 1 away from bottom plate 2, the both sides of bottom plate 2 are vertically installed with positioning column 3, positioning column 3 is externally equipped with positioning sleeve 5, positioning sleeve 5 and slump cylinder 1 between are all installed with connecting rod 6, the inner circle surface of positioning sleeve 5 is just opposite connecting rod 6 and is all equipped with recess, recess all extends to connecting rod 6, the inside of recess is all equipped with bolt 15 to limit positioning sleeve 5, connecting rod 6 and slump cylinder 1 on positioning column 3, the both sides of slump cylinder 1 are equipped with grip bar 8, and grip bar 8 is installed with multiple fixed plates 9 between slump cylinder 1, the fixed plate 9 on one side is provided with linkage mechanism that moves bolt 15 synchronously.
[0019] In the embodiment, linkage mechanism includes pull rod 11, multiple compression springs 16 and multiple steel wire ropes 12, the inside of connecting rod 6 is all equipped with wiring channel, one end of wiring channel is all communicated with recess and is set, the other end is all curved and is set with external communication, the fixed plate 9 on one side is equipped with positioning channel 10, pull rod 11 is set through positioning channel 10, one end of steel wire rope 12 is all installed on pull rod 11, and the other end is all extended into recess through wiring channel and is all installed on bolt 15.
[0020] In the embodiment, the end of positioning column 3 away from bottom plate 2 is all equipped with screw hole, and the screw hole is all threadedly connected with screw rod, and the other end of screw rod is all installed with limit block 4, and the section of positioning column 3 in the inside of positioning sleeve 5 is all equipped with first insertion hole, and the other end of bolt 15 is all inserted into first insertion hole, and positioning column 3 is all equipped with second insertion hole 13 close to limit block 4;
[0021] Wherein, after rotating limit fast, screw rod can be removed from screw hole, after losing the obstruction of limit block, positioning sleeve can be separated from positioning column, to complete the disassembly of slump cylinder.
[0022] In the embodiment, the diameter of recess and bolt 15 is greater than the inner diameter of wiring channel, so that bolt cannot enter into wiring channel.
[0023] In the embodiment, sleeve pipe 14 is installed at the middle of hopper 7, and sleeve pipe 14 is set in trumpet-shaped structure, sleeve pipe 14 is set on the end of slump cylinder 1, and the inner side surface of hopper 7 is flush with the opening end surface of slump cylinder 1.
[0024] In the embodiment, the diameter of limit block 4 is all greater than the diameter of positioning column 3, after positioning sleeve rises and moves to a certain degree, positioning sleeve can be blocked, at this time, bolt can be opposite to second insertion hole.
[0025] In use, the hand holds the two sides of the handle, and the fingers can pull the pull rod outward, the movement of the pull rod drives the steel wire rope, the movement of the steel wire rope drives the plug, and the plug is retracted into the groove, at this time, the collapse cylinder can move downward along the positioning column until the collapse cylinder is in contact with the bottom plate, after releasing the pull rod, the plug can be inserted into the first insertion hole through the rebound of the compression spring, so that the collapse cylinder can be stably attached to the bottom plate;
[0026] The hopper can be sleeved on the top of the collapse cylinder through the sleeve, the inner side surface of the collapse cylinder is flush with the opening end surface of the collapse cylinder, and the inner cavity of the collapse cylinder forms a large storage space, after the collapse cylinder is filled with concrete, the excess concrete can be scraped into the hopper, avoiding the concrete flowing down to the outer wall surface of the collapse cylinder and the bottom plate, thereby avoiding affecting the subsequent test precision;
[0027] After the above is completed, the handle is held, and the pull rod is pulled by the fingers, the movement of the pull rod drives the steel wire rope and the plug, the plug is pulled out of the first insertion hole, and the collapse cylinder is stably lifted upward along the positioning column, after the positioning sleeve is in contact with the limiting block, the pull rod is released, the plug is automatically pushed out through the rebound of the compression spring, the plug is inserted into the second insertion hole, thereby positioning the lifted collapse cylinder.
[0028] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any change or replacement without creative labor should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be limited by the protection scope defined in the claims.
Claims
1. A concrete slump testing device, characterized in that: The system includes a base plate (2), a slump cylinder (1), and a hopper (7). The slump cylinder (1) is placed on the base plate (2), and the hopper (7) is located on the end of the slump cylinder (1) away from the base plate (2). Positioning posts (3) are vertically installed on both sides of the base plate (2). Positioning sleeves (5) are fitted on the outside of the positioning posts (3). Connecting rods (6) are installed between the positioning sleeves (5) and the slump cylinder (1). The inner ring of the positioning sleeves (5) is provided with grooves at the position opposite to the connecting rods (6). The grooves extend to the connecting rods (6). The inside of the grooves is provided with pins (15) that restrict the positioning sleeves (5), connecting rods (6), and slump cylinder (1) on the positioning posts (3). Handles (8) are provided on both sides of the slump cylinder (1). Multiple fixing plates (9) are installed between the handles (8) and the slump cylinder (1). A linkage mechanism that synchronously drives the pins (15) to move is provided on one side of the fixing plate (9).
2. The concrete slump testing device according to claim 1, characterized in that: The linkage mechanism includes a pull rod (11), multiple compression springs (16) and multiple steel wire ropes (12). The inside of the connecting rod (6) is provided with a wiring channel. One end of the wiring channel is connected to the groove, and the other end is bent to connect to the outside. A positioning channel (10) is provided on the fixing plate (9) on one side. The pull rod (11) passes through the positioning channel (10). One end of the steel wire rope (12) is installed on the pull rod (11), and the other end passes through the wiring channel and extends into the groove, and is installed on the pin (15).
3. The concrete slump testing device according to claim 1, characterized in that: Each positioning post (3) has a screw hole at the end away from the base plate (2), and a screw is threaded into each screw hole. A limit block (4) is installed at the other end of each screw. Each positioning post (3) has a first insertion hole on the section inside the positioning sleeve (5). The other end of each pin (15) is inserted into the first insertion hole. Each positioning post (3) has a second insertion hole (13) near the limit block (4).
4. The concrete slump testing device according to claim 2, characterized in that: The diameter of the groove and the pin (15) is larger than the inner diameter of the wiring channel.
5. The concrete slump testing device according to claim 1, characterized in that: A sleeve (14) is installed in the middle of the hopper (7). The sleeve (14) is arranged in a trumpet shape and is fitted onto the end of the slumping cylinder (1). The inner side of the hopper (7) is flush with the opening end face of the slumping cylinder (1).
6. The concrete slump testing device according to claim 3, characterized in that: The diameter of the limiting block (4) is larger than the diameter of the positioning post (3).