Rapid positioning device for channel lining concrete formwork

Abstract

The utility model discloses a quick positioning device for a channel lining concrete formwork, and relates to the technical field of channel lining.The quick positioning device for the channel lining concrete formwork comprises transverse frames arranged at the two ends of a channel, the two ends of each transverse frame are detachably installed on positioning plates respectively, and the positioning plates are symmetrically installed on the two sides of the channel edge; the transverse frame is provided with a centering positioning mechanism in a sliding mode, and the two sides of the centering positioning mechanism abut against the positioning plates on the two sides respectively. The positions of the clamping and fixing mechanism and the positioning template are adjusted through matching of the centering positioning mechanism and the positioning plates on the two sides, so that the positioning template is centered; according to the concrete formwork positioning device, only the two ends of the transverse frame need to be fixed to the positioning plate, the position of the transverse frame does not need to be accurately adjusted, the step of adjusting the position of the transverse frame in the formwork construction process is omitted, rapid and accurate positioning of a concrete formwork is achieved, and due to the fact that the distance between the positioning plate and the groove edge is short, installation deviation can be greatly reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of channel lining, especially to a channel lining concrete formwork fast positioning device. BACKGROUND

[0002] Channel lining concrete refers to the engineering technology that forms a protective layer by laying concrete on the inner wall or bottom of a channel, and its main purpose is to enhance the structural stability of the channel, prevent leakage, reduce water erosion, and prolong the service life. In cast-in-place concrete lining construction, the formwork needs to be accurately positioned along the shape of the channel.

[0003] During formwork installation, the formwork is usually lowered into the channel by hoisting equipment, and the center of the hoisting equipment crossbar needs to be aligned with the center of the channel. However, the crossbar of the hoisting equipment is mostly fixedly installed on the two side supports. If the crossbar is too long, the distance between the two side supports will be too far, which not only requires a lot of time to adjust the position, but also reduces the positioning accuracy of the formwork. SUMMARY

[0004] The utility model aims to provide a channel lining concrete formwork fast positioning device, which can quickly position the formwork, improve the formwork installation accuracy, and effectively solve the problem of low positioning efficiency and accuracy caused by the long hoisting crossbar in the prior art.

[0005] The utility model provides a channel lining concrete formwork fast positioning device, which comprises a crossbar arranged at both ends of the channel, the crossbar is detachably installed on a positioning plate at both ends, the positioning plates are symmetrically installed on both sides of the channel edge, a center positioning mechanism is slidably arranged on the crossbar, the center positioning mechanism is abutted on the positioning plates on both sides, a clamping and fixing mechanism is movably connected to the center positioning mechanism through an electric push rod below the center positioning mechanism, a positioning formwork is fixed in the clamping and fixing mechanism through a clamping plate, the positioning formwork is attached to the inner wall of the channel, and a spliced formwork is connected to one side of the positioning formwork.

[0006] Preferably, the positioning plate is fixed to the surface of the channel edge through an anchor rod.

[0007] Preferably, the clamping and fixing mechanism comprises a third mounting frame, the third mounting frame is fixedly connected with the output end of the electric push rod, a rotating shaft is rotatably installed in the third mounting frame, clamping gears are fixedly connected to both ends of the rotating shaft, and a driven bevel gear is fixedly connected to the middle part of the rotating shaft.

[0008] Preferably, a driving bevel gear is meshingly connected to one side of the driven bevel gear, a clamping motor is fixedly installed on the third mounting frame, and the output end of the clamping motor is fixedly connected with the driving bevel gear.

[0009] Preferably, the clamping rack is connected with the clamping gear on the lower side in meshing, the clamping rack is slidably penetrated through the third mounting frame, and one end of the clamping rack is fixedly connected to the clamping plate, one end of the third mounting frame is fixedly connected with the baffle, and the positioning template is clamped between the clamping plate and the baffle.

[0010] Preferably, the slide rod is fixedly connected inside the cross frame, and the slide block is slidably connected to the slide rod.

[0011] Preferably, the centering positioning mechanism comprises a first mounting frame, the first mounting frame is fixedly connected to the bottom of the slide block, and the upper end of the electric push rod is fixedly installed on the first mounting frame.

[0012] Preferably, the first mounting frame is fixedly connected with a second mounting frame on one side, the positioning motor is fixedly installed on one side of the second mounting frame, the positioning gear is rotatably installed in the second mounting frame, the positioning gear is fixedly installed on the output end of the positioning motor, the positioning racks are connected in meshing on the upper side and the lower side of the positioning gear, and the positioning racks are slidably penetrated through the second mounting frame at two ends.

[0013] Preferably, the one end of the positioning rack is fixedly connected with the abutting block, and the abutting block is abutted on the positioning plate.

[0014] Preferably, the spliced template is installed on the positioning template after the positioning template is fixed.

[0015] Compared with the prior art, the trench lining concrete formwork rapid positioning device provided by the embodiment of the utility model has the advantages that:

[0016] 1. The utility model discloses a centering positioning mechanism and two side positioning plates are matched to adjust the position of the clamping fixing mechanism and the positioning template, so that the positioning template is centered, the two ends of the cross frame are only needed to be fixed on the positioning plates, the position of the cross frame does not need to be accurately adjusted, the step of adjusting the position of the template in the construction process is saved, the rapid and accurate positioning of the concrete template is realized, and the installation deviation can be greatly reduced due to the short distance between the positioning plate and the trench edge.

[0017] 2. The utility model discloses that the positioning template is driven downward by the electric push rod, so that the positioning template is attached to the inner wall of the trench, then the spliced template is installed on the positioning template, and the fixing of the whole concrete template is realized. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment, and it should be understood that the following drawings only show some embodiments of the utility model, and therefore should not be regarded as a limitation to the scope, and for the ordinary skilled in the art, other related drawings can also be obtained without creative labor on the basis of the drawings.

[0019] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model;

[0020] Figure 2 This is a top view of an embodiment of the present utility model.

[0021] Figure 3 This is an embodiment of the present utility model. Figure 2 Schematic diagram of the three-dimensional structure of the AA cross section;

[0022] Figure 4 This is an embodiment of the present utility model. Figure 3 Enlarged view of the structure at point B in the middle;

[0023] Figure 5 This is a schematic diagram of the meshing part of the clamping gear and clamping rack in an embodiment of the present utility model;

[0024] Figure 6 This is a schematic diagram of a first partial structure of an embodiment of the present utility model;

[0025] Figure 7 This is an embodiment of the present utility model. Figure 6 Enlarged view of the structure at point D;

[0026] Figure 8 This is a schematic diagram of a second partial structure of an embodiment of the present utility model;

[0027] Figure 9 This is an embodiment of the present utility model. Figure 3 Enlarged view of the structure at point C.

[0028] Figure label:

[0029] 1. Ditch edge; 2. Centering positioning mechanism; 21. First mounting frame; 22. Second mounting frame; 23. Positioning motor; 24. Positioning gear; 25. Positioning rack; 26. Abutment block; 3. Cross frame; 31. Slide rod; 32. Slider; 4. Positioning plate; 41. Anchor rod; 5. Electric push rod; 6. Clamping and fixing mechanism; 61. Third mounting frame; 62. Clamping motor; 63. Rotating shaft; 64. Clamping rack; 65. Baffle; 66. Clamping gear; 67. Driven bevel gear; 68. Drive bevel gear; 7. Clamping plate; 8. Positioning template; 9. Splicing template. Detailed Implementation

[0030] The following detailed description, in conjunction with the accompanying drawings, outlines some embodiments of the present invention. Unless otherwise specified, the following embodiments and features can be combined with each other.

[0031] Please refer to Figures 1-9The utility model discloses a kind of rapid positioning device of channel lining concrete form, including the horizontal frame 3 being set to the both ends of channel, horizontal frame 3 both ends are detachably installed on positioning plate 4, positioning plate 4 is symmetrically installed on the both sides of channel edge 1, centering mechanism 2 is slidably arranged on horizontal frame 3, centering mechanism 2 both sides are respectively abutted on the positioning plate 4 of both sides, clamping fixed mechanism 6 is movably connected with the below of centering mechanism 2 by electric push rod 5, positioning template 8 is fixed in clamping plate 7 by clamping fixed mechanism 6, positioning template 8 is attached with the inner wall of channel, splicing template 9 is connected on one side of positioning template 8, splicing template 9 is installed on positioning template 8 after positioning template 8 is fixed.

[0032] Positioning plate 4 is fixed to the surface of channel edge 1 by anchor rod 41.

[0033] In the process of channel lining, positioning plate 4 is fixed on the channel edge 1 on both sides of channel by anchor rod 41, to provide fixed reference point for the whole device, ensure that the installation position of positioning template 8 is accurate.

[0034] The installation position of horizontal frame 3 on positioning plate 4 is adjustable, in the process of construction, only need to fix the both ends of horizontal frame 3 on positioning plate 4, without need to accurately adjust the position of horizontal frame 3, the position of clamping fixed mechanism 6 and positioning template 8 is adjusted by the cooperation of centering mechanism 2 and both sides positioning plate 4, so that positioning template 8 is centered, the middle part of positioning template 8 is clamped by clamping fixed mechanism 6, then positioning template 8 is moved downward by electric push rod 5, so that positioning template 8 is attached with the inner wall of channel, then splicing template 9 is installed on positioning template 8, to realize the fixation of whole concrete form.

[0035] Clamping fixed mechanism 6 includes third mounting bracket 61, third mounting bracket 61 is fixedly connected with the output end of electric push rod 5, rotatingly installed with rotating shaft 63 in third mounting bracket 61, clamping gear 66 is fixedly connected with both ends of rotating shaft 63, driven bevel gear 67 is fixedly connected with the middle part of rotating shaft 63, driving bevel gear 68 is meshingly connected with one side of driven bevel gear 67, clamping motor 62 is fixedly installed on third mounting bracket 61, the output end of clamping motor 62 is fixedly connected with driving bevel gear 68, clamping rack 64 is meshingly connected with the lower side of clamping gear 66, clamping rack 64 is slidably penetrated through third mounting bracket 61, and one end is fixedly connected on clamping plate 7, third mounting bracket 61 one end is fixedly connected with baffle 65, positioning template 8 is clamped between clamping plate 7 and baffle 65.

[0036] By starting the clamping motor 62, the driving bevel gear 68 is driven to rotate, the driving bevel gear 68 is engaged with the driven bevel gear 67, the driven bevel gear 67 drives the rotating shaft 63 to rotate, the clamping gears 66 at both ends of the rotating shaft 63 rotate, the clamping rack 64 is driven to slide, and then the clamping plate 7 moves towards the baffle 65, the positioning formwork 8 is clamped between the clamping plate 7 and the baffle 65, a stable and adjustable clamping force can be provided, different thicknesses of formworks can be adapted, the positioning formwork 8 cannot be loosened during installation, and the formwork installation firmness is improved.

[0037] The horizontal frame 3 is fixedly connected with a sliding rod 31, and the sliding rod 31 is slidably connected with a sliding block 32.

[0038] The sliding rod 31 is provided with at least two sliding rods 31, and the sliding block 32 is slidably sleeved on the sliding rod 31 and can slide along the sliding rod 31 to adjust the position of the positioning formwork 8.

[0039] The center positioning mechanism 2 comprises a first mounting frame 21, the first mounting frame 21 is fixedly connected to the bottom of the sliding block 32, the upper end of the electric push rod 5 is fixedly installed on the first mounting frame 21, the first mounting frame 21 is fixedly connected with a second mounting frame 22 on one side, the second mounting frame 22 is fixedly installed with a positioning motor 23 on one side, the second mounting frame 22 is rotatably installed with a positioning gear 24, the positioning gear 24 is fixedly installed on the output end of the positioning motor 23, the positioning gear 24 is connected with a positioning rack 25 on the upper side and the lower side, the positioning rack 25 slidably penetrates through the second mounting frame 22 at both ends, and the positioning rack 25 is fixedly connected with an abutting block 26 at one end.

[0040] By starting the positioning motor 23, the positioning gear 24 is driven to rotate, and the upper and lower positioning racks 25 are driven to move at the same time, so that the two abutting blocks 26 on the two sides are close to the positioning plate 4 at the same time, and abut against the positioning plate 4, in this process, the sliding block 32 slides correspondingly under the action of the two positioning racks 25 and the abutting blocks 26, until the position is centered, so that the positioning formwork 8 can be accurately positioned at the center position of the channel, the accuracy of the formwork installation is improved, and the position of the horizontal frame 3 does not need to be adjusted in the early stage, so that the positioning formwork 8 is quickly and accurately positioned.

[0041] In summary, the working principle of the rapid positioning device for the channel lining concrete formwork is:

[0042] The positioning template 8 is placed between the clamping plate 7 and the baffle 65, with its middle part corresponding to the clamping plate 7. The clamping plate 7 is moved by the clamping motor 62 to clamp the positioning template 8. The positioning plate 4 is symmetrically fixed to the trench edges 1 on both sides of the trench by the anchor rod 41, providing a fixed reference point for the entire device and ensuring that the positioning template 8 is installed in an accurate position. Then, the two ends of the cross frame 3 are installed on the positioning plates 4 on both sides. The positioning motor 23 is started to drive the abutment blocks 26 on both sides to move outward until they abut against the positioning plates 4 on both sides respectively. During this process, the positioning template 8 is automatically adjusted to the center position of the trench. Then, the positioning template 8 is moved downward by the electric push rod 5 to fit against the inner wall of the trench. Finally, the other splicing templates 9 are installed in sequence.

[0043] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A rapid positioning device for concrete formwork of trench lining, comprising crossbeams (3) disposed at both ends of the trench, characterized in that: The two ends of the cross frame (3) are detachably installed on the positioning plate (4). The positioning plate (4) is symmetrically installed on both sides of the ditch edge (1). A centering positioning mechanism (2) is slidably provided on the cross frame (3). The two sides of the centering positioning mechanism (2) abut against the positioning plates (4) on both sides. A clamping and fixing mechanism (6) is movably connected below the centering positioning mechanism (2) through an electric push rod (5). A positioning template (8) is fixed inside the clamping and fixing mechanism (6) through a clamping plate (7). The positioning template (8) fits against the inner wall of the ditch. A splicing template (9) is connected to one side of the positioning template (8).

2. The rapid positioning device for trench lining concrete formwork according to claim 1, characterized in that: The positioning plate (4) is fixed to the surface of the ditch edge (1) by anchor rods (41).

3. The rapid positioning device for trench lining concrete formwork according to claim 1, characterized in that: The clamping and fixing mechanism (6) includes a third mounting bracket (61), which is fixedly connected to the output end of the electric push rod (5). A rotating shaft (63) is rotatably installed inside the third mounting bracket (61). Clamping gears (66) are fixedly connected to both ends of the rotating shaft (63), and a driven bevel gear (67) is fixedly connected to the middle.

4. The rapid positioning device for trench lining concrete formwork according to claim 3, characterized in that: The driven bevel tooth (67) is engaged with a drive bevel tooth (68) on one side, and a clamping motor (62) is fixedly mounted on the third mounting bracket (61). The output end of the clamping motor (62) is fixedly connected to the drive bevel tooth (68).

5. The rapid positioning device for trench lining concrete formwork according to claim 4, characterized in that: The clamping gear (66) is meshed with a clamping rack (64) on its lower side. The clamping rack (64) slides through the third mounting frame (61) and is fixedly connected at one end to the clamping plate (7). A baffle (65) is fixedly connected at one end of the third mounting frame (61). The positioning template (8) is clamped between the clamping plate (7) and the baffle (65).

6. The rapid positioning device for trench lining concrete formwork according to claim 1, characterized in that: A slide rod (31) is fixedly connected inside the crossbar (3), and a slider (32) is slidably connected on the slide rod (31).

7. The rapid positioning device for trench lining concrete formwork according to claim 6, characterized in that: The centering positioning mechanism (2) includes a first mounting bracket (21), which is fixedly connected to the bottom of the slider (32), and the upper end of the electric push rod (5) is fixedly mounted on the first mounting bracket (21).

8. The rapid positioning device for trench lining concrete formwork according to claim 7, characterized in that: A second mounting bracket (22) is fixedly connected to one side of the first mounting bracket (21). A positioning motor (23) is fixedly installed on one side of the second mounting bracket (22). A positioning gear (24) is rotatably installed inside the second mounting bracket (22). The positioning gear (24) is fixedly installed on the output end of the positioning motor (23). Positioning racks (25) are meshed on both the upper and lower sides of the positioning gear (24). The positioning racks (25) slide through both ends of the second mounting bracket (22).

9. The rapid positioning device for trench lining concrete formwork according to claim 8, characterized in that: One end of the positioning rack (25) is fixedly connected to a stop block (26), which abuts against the positioning plate (4).

10. The rapid positioning device for trench lining concrete formwork according to claim 1, characterized in that: The splicing template (9) is installed on the positioning template (8) after the positioning template (8) is fixed.

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