A shallow silo roof concrete pouring operation vibrating structure and construction method

Abstract

The application discloses a kind of shallow silo roof concrete pouring operation's vibrating structure, shaft body is connected with central shaft by bearing, and the top of central shaft is equipped with cross bar support, and the outer edge of shallow silo roof slope roof is equipped with annular slide rail and sliding block, and the top of sliding block is equipped with door-shaped support, and the top of cross bar support and door-shaped support is equipped with large inclined bar, and the top of large inclined bar is equipped with rack, and mobile support is equipped between rack, and the horizontal pipe of mobile support is equipped with first gear with motor, and first gear with motor is engaged with rack, and vibrating rod is equipped on mobile support.The application also discloses a kind of shallow silo roof concrete pouring operation's vibrating construction method, comprising:1, large inclined bar makes circumferential motion around central shaft;2, pouring concrete from the outer ring of silo roof to the inner ring of silo roof;3, adjusting the length of telescopic rod of oil cylinder, vibrating rod is inserted into concrete;4, complete slope concrete vibrating and face collection.The application realizes the purpose that slope concrete can be fully vibrated, and can be widely applied to public building construction.

Description

TECHNICAL FIELD

[0001] The present application relates to public building construction, in particular to a shallow silo roof concrete pouring operation vibrating structure and construction method. BACKGROUND

[0002] The slope of the shallow silo roof slope roof is relatively large, and the concrete poured on it will automatically slide down. The traditional pouring method is to use concrete with small slump for pouring, at the same time, reduce the vibration time and increase the vibration interval. The concrete that slides down during vibration is manually cleaned upwards. Not only the concrete density of the silo roof cannot be guaranteed, but also the small slump concrete has a short final setting time, which is easy to form a construction cold joint. The manual cleaning of concrete is inefficient, which further aggravates the formation of construction cold joints. Therefore, it is necessary to invent a construction technology that can fully vibrate the slope concrete and automatically clean the sliding concrete to the top of the slope. SUMMARY

[0003] The purpose of the present application is to overcome the shortcomings of the background art, provide a shallow silo roof concrete pouring operation vibrating structure and construction method, which solves the technical problem that the slope concrete slides down after vibration, and realizes the purpose of fully vibrating the slope concrete.

[0004] The shallow silo roof concrete pouring operation vibrating structure provided by the present application comprises a grain inlet of a shallow silo roof, a shaft body coaxially arranged with the shallow silo roof is fixed in the grain inlet through a vertical fixing mechanism and a horizontal fixing mechanism, a central shaft is connected to the inner side of the shaft body through a bearing, a crossbar support is coaxially arranged on the top of the central shaft, a ring-shaped slide rail is arranged on the eave template of the outer edge of the shallow silo roof slope roof, a sliding block that is in sliding cooperation with the ring-shaped slide rail is arranged on the ring-shaped slide rail, a door-shaped support is arranged on the top of the sliding block, a large inclined rod that connects the crossbar support and the door-shaped support is arranged on the top of both sides of the crossbar support and the door-shaped support, the large inclined rod is parallel to the shallow silo roof slope roof, a rack is arranged on the top of the large inclined rod, a moving support is arranged between the two racks, a horizontal pipe is arranged at both ends of the moving support, a first gear with a motor is arranged at both ends of each horizontal pipe, the first gear with a motor is in meshing cooperation with the corresponding rack, and a plurality of vibrating rods that can be inserted into the concrete are arranged on the moving support.

[0005] In the above technical solution, oil cylinders are respectively provided at the four horizontal corners of the movable bracket, the cylinder bodies of the oil cylinders are vertically welded to the horizontal tube, the cylinder telescopic rods of the oil cylinders extend downward, the four oil cylinder telescopic rods move synchronously and their bottom ends are connected to form two longitudinal rods respectively, the two ends of the two longitudinal rods are respectively provided with toothed support rods vertically connected thereto, the four toothed support rods are provided with connecting brackets connected thereto, the several vibrating rods are connected to the bottom of the connecting bracket, the four corners of the connecting bracket are respectively provided with sleeves that are sleeved on the outer edge of the toothed support rod, and the top of each sleeve is provided with a second gear with a motor that meshes with the toothed support rod.

[0006] In the above technical solution, two cross bars are provided between the two longitudinal bars, each cross bar is provided with a motor, and the two motors are connected via a pulley, and scrapers are evenly distributed on the pulleys.

[0007] In the above technical solution, the pulleys are multiple pulleys parallel to each other, and multiple vibrating rod guide rods are arranged in parallel between the two cross bars. The vibrating rod guide rods are provided with guide holes corresponding to the vibrating rods one by one, and each vibrating rod guide rod corresponds to the gap between the adjacent pulleys.

[0008] In the above technical solution, the vertical fixing mechanism has a "well"-shaped hollow cover plate placed on the grain inlet and fixedly connected to the shaft.

[0009] In the above technical solution, the vertical fixing mechanism also includes a plurality of spaced-apart downward pressure beams connected to each end of the hollow cover plate, and a set of tension bolts connected to the tops of the downward pressure beams at the same end of the hollow cover plate are provided, and the bottoms of the set of tension bolts are connected to the silo top support frame rod system. The hollow cover plate, downward pressure beams, set of tension bolts and silo top support frame rod system form a static stability system.

[0010] In the above technical solution, the shaft body is a square tube with hollow ends.

[0011] In the above technical solution, the side walls of the shaft body are respectively provided with two sets of horizontally arranged top supports, one end of the set of top supports is perpendicular to the side wall of the shaft body, and the other end is vertically fixed to the inner wall of the grain inlet.

[0012] The application also provides a vibrating construction method for concrete pouring operation of a shallow silo top plate, which has the following steps: S1, installing equipment, one end of a large inclined rod is connected with a horizontal rod support at the top of a central shaft, and the other end is connected with a door-shaped support on a ring-shaped slide rail, the door-shaped support slides on the ring-shaped slide rail to drive the large inclined rod to make a circular motion around the central shaft; S2, when pouring concrete on a slope roof of the silo, the concrete is poured from the outer circle of the silo top to the inner circle of the silo top around the center of the silo top, the concrete is accumulated on the silo top formwork after being discharged from a pump pipe, the position of the large inclined rod and the moving support is adjusted so that the equipment on the moving support is located directly above the accumulated concrete; S3, the length of the oil cylinder extension rod is adjusted so that the end of the scraper on the belt pulley is located on the designed surface of the silo top plate concrete, then the vibrating rod is started and the height of the vibrating rod is adjusted so that the vibrating rod is inserted into the concrete, and the accumulated concrete starts to slide down after being vibrated; S4, the scraper on the belt pulley scrapes the sliding concrete to the top of the slope, that is, the slope surface vibration and surface collection are completed.

[0013] In the above technical solution, the following steps are further included: S5, when the equipment on the large inclined rod needs to be adjusted in position according to the site pouring condition, the vibrating rod is lifted by controlling the gear of the second motor, the large inclined rod is driven to rotate around the central shaft to change the horizontal position of the moving support, and the connecting support is driven to slide up and down on the large inclined rod by controlling the gear of the first motor to complete the vertical movement of the vibrating rod; S6, when an obstacle is encountered, the oil cylinder is retracted, the square base, the belt pulley and the scraper are lifted, and the obstacle is bypassed.

[0014] The vibrating structure and construction method for concrete pouring operation of a shallow silo top plate have the following beneficial effects:

[0015] 1. By arranging the vibrating rod in the moving support, the technical purpose of fully vibrating the slope surface concrete is achieved.

[0016] 2. By using the scraper-equipped belt pulley, the technical problem of manually cleaning the sliding concrete from the slope is solved, and the purpose of automatically cleaning and leveling the concrete is achieved.

[0017] 3. By controlling the relative position between the end of the scraper and the upper surface of the slope surface concrete, the technical problems of inaccurate thickness control and inaccurate slope control of the silo top concrete are solved, and the technical purpose of accurate construction is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 FIG. 1 is a schematic diagram of the overall structure of the vibrating structure for concrete pouring operation of a shallow silo top plate according to the application;

[0019] Figure 2 FIG. 2 is a schematic diagram of the assembly structure of the silo top grain inlet in the vibrating structure for concrete pouring operation of a shallow silo top plate according to the application;

[0020] Figure 3 It is the structure schematic view of the center shaft, vertical fixing mechanism and horizontal fixing mechanism in the vibrating structure of the concrete pouring operation of the shallow silo roof of the application;

[0021] Figure 4 It is the structure exploded view of the large inclined rod, moving support and accompanying components in the vibrating structure of the concrete pouring operation of the shallow silo roof of the application;

[0022] Figure 5 It is the overall flow schematic view of the vibrating construction method of the concrete pouring operation of the shallow silo roof of the application;

[0023] Figure 6 It is the structure schematic view when the step S3 is implemented in the vibrating construction method of the concrete pouring operation of the shallow silo roof of the application;

[0024] Figure 7 It is the structure schematic view when the step S5 is implemented in the vibrating construction method of the concrete pouring operation of the shallow silo roof of the application;

[0025] Figure 8 It is the structure schematic view when the step S6 is implemented in the vibrating construction method of the concrete pouring operation of the shallow silo roof of the application. DETAILED DESCRIPTION

[0026] The application will be further described in detail below in combination with the drawings and embodiments, but the embodiments should not be understood as limiting the application.

[0027] The vibrating structure of the concrete pouring operation of the shallow silo roof of the application, the structure comprises the following components: annular slide rail 25, sliding block (not shown in the figure), door-shaped support 23, silo roof center embedded part (not shown in the figure), center shaft 1, complete set of tensioning bolts 6, complete set of bracing 7, large inclined rod 12, moving support, oil cylinder, belt pulley, scraper 11, vibrating rod 19, etc.

[0028] Embodiment 1

[0029] Referring to Figure 1 , the installation and connection mode of each component is as follows: firstly, 100mm width is reserved when installing the lower eave template of the slope roof, a circle of annular slide rail 25 is installed on the reserved eave template, the annular slide rail 25 is fixed on the eave template by using screws, the sliding block is fixed on the lower part of the door-shaped support 23 by using screws, the sliding block is installed on the annular slide rail 25, and then the installation of the door-shaped support 23 is completed. Then, after the installation of the silo roof center embedded part at the grain inlet is completed, referring to Figures 2-3A center shaft 1 is installed on the center embedded part of the silo top at the grain inlet, a hollow cover plate 4 with a clamping slot is above the center shaft 1, and a square shaft body 3 is below the center shaft 1. The shaft body 3 is provided with three bearings 2, and the center shaft 1 inside the bearings 2 is 3 meters long. The center shaft 1 is connected with the silo top support frame rod system 9 by a complete set of tension bolts 6 and a pressing beam 5, so as to achieve the purpose of vertically fixing the center shaft 1. A complete set of bracing 7 is installed between the shaft body 3 and the center embedded part of the silo top at the grain inlet, so as to achieve the purpose of horizontally fixing the center shaft 1. Then a crossbar support 24 is installed on the top end of the center shaft 1 by bolts, the short crossbar on the crossbar support 24 has two clamping slots (not shown in the figure), and then two large inclined rods 12 are used to connect the short crossbar of the crossbar support 24 and the door-shaped support 23 and are fixed by bolts. Referring to Figure 4 The height of the door-shaped support 23 is adjusted so that the angle between the large inclined rod 12 and the horizontal plane is consistent with the angle between the conical slope roof of the silo top and the horizontal plane. In one or more embodiments, the large inclined rod 12 is composed of small barge beams and has a certain bearing capacity. Then the rack 10 is installed and fixed on the top surface of the large inclined rod 12 by bolts. The moving support is arranged on the two large inclined rods 12, and the four corner supports of the moving support are four extendable oil cylinders. The connection mode between the oil cylinder and the large inclined rod 12 is that a horizontal pipe is welded on the outer wall of the oil cylinder, the horizontal pipe can be hung on the large inclined rod 12, and the first gear with a motor 15 is installed on the part of the horizontal pipe in contact with the large inclined rod 12 by bolts. The first gear with a motor 15 is engaged with the rack 10 on the large inclined rod 12, and can drive the moving support and the equipment on the moving support to move up and down along the large inclined rod 12.

[0030] Embodiment 2

[0031] Embodiment 2 is basically the same as embodiment 1, and the difference is that:

[0032] The end of the four oil cylinder telescopic rods 13 is connected with the four corners of a square base 17 by bolts. In one or more embodiments, the square base 17 is composed of two longitudinal rods between the ends of the four oil cylinder telescopic rods 13, two transverse rods connecting the two longitudinal rods, and two vibrating rod guide rods 18. Three sets of parallel belt pulleys with motors are installed on the square base 17 by bolts, and the belt pulleys are uniformly provided with scrapers 11. In one or more embodiments, the scrapers 11 are made of rubber. Two rows of small-diameter vibrating rods 19 are arranged between the three sets of belt pulleys, and each vibrating rod 19 is connected by a vibrating rod connecting support 20. The four-corner sleeve 21 of the vibrating rod connecting support 20 is on the toothed support rod 16 at the four corners of the square base 17, and the four corners of the vibrating rod connecting support 20 are provided with the second gear with a motor 22. The lifting of the vibrating rod 19 can be controlled by the motor.

[0033] Embodiment 3

[0034] Referring to Figure 5The present application is a shallow round silo roof concrete pouring operation vibrating construction method, i.e. the pouring, vibrating and surface collecting process of the silo roof slope roof, comprising the following steps:

[0035] S1, after the equipment is installed, one end of the large inclined rod 12 is connected to the horizontal rod support 24 at the top of the central shaft, and the other end is connected to the door-shaped support 23 on the ring-shaped slide rail 25. The door-shaped support 23 slides on the ring-shaped slide rail 25, driving the large inclined rod 12 to make a circular motion around the central shaft 1.

[0036] S2, when pouring the silo slope roof concrete, the pouring is from the outer circle of the silo roof to the inner circle of the silo roof around the center of the silo roof. The concrete is accumulated on the silo roof formwork 27 after coming out of the pump pipe. The position of the large inclined rod and the moving support is adjusted, so that the equipment on the moving support is located directly above the accumulated concrete.

[0037] S3, referring to Figure 6 , the length of the oil cylinder extension rod 13 is adjusted, so that the end of the scraper 11 on the belt pulley is located on the designed surface 26 of the silo roof concrete. Then the vibrating rod 19 is started and its height is adjusted, so that it is inserted into the concrete. The accumulated concrete starts to collapse and slide down after being vibrated.

[0038] S4, the scraper 11 on the belt pulley sends the sliding concrete to the slope roof, i.e. the slope surface vibrating and collecting is completed.

[0039] S5, referring to Figure 7 , when the equipment on the large inclined rod 12 needs to be adjusted according to the site pouring condition, the vibrating rod 19 is lifted by controlling the gear 22 of the second motor, the large inclined rod 12 is pushed to rotate around the central shaft 1, so that the horizontal position of the vibrating and collecting equipment can be changed. The equipment is slid up and down on the large inclined rod 12 by controlling the gear 15 of the first motor, so that the longitudinal movement of the vibrating and collecting equipment is completed.

[0040] S6, referring to Figure 8 , when obstacles are encountered, the oil cylinder can be retracted, the square base 17 and the equipment above it are lifted, and the large inclined rod 12 on the equipment can make a circular motion around the central shaft 1 or slide up and down on the large inclined rod 12, which can cover the entire silo roof pouring surface.

[0041] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application belong to the scope of the claims of the present application and their equivalent technologies, the present application also intends to include these modifications and variations.

[0042] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

Claims

1. A vibrating structure for pouring concrete on a silo roof, including a grain inlet on the silo roof, characterized by: In the grain inlet, a shaft body (3) coaxially arranged with the shallow silo top is fixed by a vertical fixing mechanism and a horizontal fixing mechanism. Inside the shaft body (3), a central shaft (1) is connected by a bearing (2). At the top of the central shaft (1), a cross-bar support (24) is coaxially arranged. An annular slide rail (25) is provided on the cornice template at the outer edge of the sloping roof of the shallow silo top. A slider slidably engaged with the annular slide rail (25) is provided on the annular slide rail (25). A portal support (23) is provided at the top of the slider. On both sides of the tops of the cross-bar support (24) and the portal support (23), large inclined rods (12) connecting the cross-bar support (24) and the portal support (23) are respectively provided. The large inclined rods (12) are parallel to the sloping roof of the shallow silo top. A rack (10) is provided at the top of the large inclined rod (12). A moving support is provided between the two racks (10). Horizontal pipes are respectively provided at both ends of the moving support. At both ends of each horizontal pipe, a first motor-driven gear (15) is respectively provided. The first motor-driven gear (15) is engaged with the corresponding rack (10). A plurality of vibrating rods (19) capable of inserting into concrete for vibration are provided on the moving support. Oil cylinders are respectively provided at the four horizontal corners of the moving support. The cylinder body (14) of the oil cylinder is perpendicularly welded and connected to the horizontal pipe. The cylinder rod (13) of the oil cylinder extends downward. The four cylinder rods (13) move synchronously and their bottom ends are connected to form two longitudinal rods respectively. At both ends of the two longitudinal rods, toothed support rods (16) perpendicularly connected thereto are respectively provided. A connecting support (20) connected to the four toothed support rods (16) is provided on the four toothed support rods (16). The plurality of vibrating rods (19) are connected to the bottom of the connecting support (20). Sleeve tubes (21) sleeved on the outer edges of the toothed support rods (16) are respectively provided at the four corners of the connecting support (20). At the top of each sleeve tube (21), a second motor-driven gear (22) engaged with the toothed support rod (16) is provided.

2. The vibrating structure for concrete pouring operation of a silo roof according to claim 1, characterized in that: Two cross-bars are provided between the two longitudinal rods. A motor is provided on each cross-bar. The two motors are connected by belt pulleys. Scrapers (11) are evenly distributed on the belt pulleys.

3. The vibrating structure for concrete pouring operation of silo roof according to claim 2, characterized in that: The belt pulleys are multiple mutually parallel belt pulleys. A plurality of vibrating rod guide rods (18) arranged in parallel are provided between the two cross-bars. Guide holes corresponding to the vibrating rods (19) one by one are provided on the vibrating rod guide rods (18). Each vibrating rod guide rod (18) corresponds to the gap between adjacent belt pulleys.

4. The vibrating structure for concrete pouring operation of silo roof according to claim 3, characterized in that: The vertical fixing mechanism has a "well"-shaped hollow cover plate (4) placed on the grain inlet and fixedly connected to the shaft body (3).

5. The vibrating structure for concrete pouring operation of silo roof according to claim 4, characterized in that: The vertical fixing mechanism further includes a plurality of spaced lower pressing cross-bars (5) connected to each end of the hollow cover plate (4). Between the lower pressing cross-bars at the same end of the hollow cover plate (4), a complete set of tension bolts (6) connected to the top thereof is provided. The bottom of the complete set of tension bolts (6) is connected to the silo top support rod system (9). The hollow cover plate (4), the lower pressing cross-bars (5), the complete set of tension bolts (6) and the silo top support rod system (9) form a static stability system.

6. The vibrating structure for concrete pouring of silo roof according to claim 5, characterized in that: The shaft body (3) is a square pipe with both ends hollowed out.

7. The vibrating structure for concrete pouring of silo roof according to claim 6, characterized in that: The side wall of the shaft body (3) is respectively provided with two horizontally arranged complete jacks (7), one end of the complete jack (7) is perpendicular to the side wall of the shaft body (3), and the other end is fixedly connected to the inner wall of the grain inlet.

8. The construction method of a vibrating structure for a concrete pouring operation of a top plate of a silo according to claim 1, characterized in that: Having the following steps: S1, install the equipment, one end of the large inclined rod (12) is connected to the horizontal rod support (24) at the top of the center shaft (1), and the other end is connected to the door-shaped support (23) on the ring-shaped slide rail (25), the door-shaped support (23) slides on the ring-shaped slide rail (25) to drive the large inclined rod (12) to make circular motion around the center shaft (1); S2, when pouring the concrete of the slope roof of the warehouse, the center around the top of the warehouse is poured from the outer circle of the top of the warehouse to the inner circle of the top of the warehouse, the concrete is accumulated on the warehouse top formwork (27) after coming out of the pump pipe, the position of the large inclined rod (12) and the moving support is adjusted, so that the equipment on the moving support is located directly above the accumulated concrete; S3, the length of the oil cylinder extension rod (13) is adjusted, so that the end of the scraper (11) on the belt pulley is located on the design surface (26) of the warehouse roof plate, then the vibrating rod (19) is started and the height of the vibrating rod (19) is adjusted, so that it is inserted into the concrete, and the accumulated concrete begins to collapse and slide after being vibrated; S4, the scraper (11) on the belt pulley scrapes the sliding concrete to the top of the slope, that is, the slope surface vibration and collection are completed.

9. The construction method of a vibrating structure for a concrete pouring work of a silo roof according to claim 8, characterized in that: Further comprising the following steps: S5, when the equipment on the large inclined rod (12) needs to adjust the position according to the site pouring condition, the vibrating rod (19) is lifted by controlling the gear (22) with the motor, the large inclined rod (12) is pushed to rotate around the center shaft (1), so that the horizontal position of the moving support can be changed, the connecting support (20) is driven to slide up and down on the large inclined rod (12) by controlling the gear (15) with the motor, so that the longitudinal movement of the vibrating rod (19) can be completed; S6, when encountering an obstacle, the oil cylinder is retracted, the square base (17), the belt pulley and the scraper (11) are lifted to pass around the obstacle.

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