Height adjusting mechanism

Abstract

The utility model discloses a height adjusting mechanism which comprises a first outer mold, second outer molds are arranged at the two ends of the upper portion of the first outer mold, open grooves are formed in the lower ends of the second outer molds, the two ends of the first outer mold are connected into the corresponding open grooves in a sliding mode respectively, and fixing rods are fixedly connected to the lower sides of the outer ends of the second outer molds. And sliding grooves are formed in the lower ends of the fixing rods correspondingly, one ends of the sliding grooves are slidably connected with sliding blocks correspondingly, the lower ends of the sliding blocks are fixedly connected with threaded sleeves correspondingly, the bottom of the first outer mold is fixedly connected with a fixing plate, and the two ends of the upper side of the fixing plate are rotationally connected with first threaded rods correspondingly. According to the outer mold, the first outer mold body, the second outer mold body, the open groove, the fixing plate, the fixing frame, the transmission shaft, the supporting frame, the driving bevel gear, the rotating shaft, the driven bevel gear, the first threaded rod, the fixing rod, the sliding groove, the sliding rod, the sliding block and the threaded sleeve are arranged, and therefore the overall height of the outer mold can be flexibly adjusted conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of a height adjustment mechanism, in particular to a height adjustment mechanism. Background Art

[0002] Mobile formwork is a construction machine that comes with its own formwork and uses abutments or piers as support to cast bridges on site. Its main features include good construction quality, simple construction operation, and low cost. Abroad, it has been widely used in the construction of continuous beams of highway bridges and railway bridges, and is a relatively advanced construction method. Domestically, it has begun to be used on highways and railway passenger lines.

[0003] The outer formwork of the existing mobile formwork cannot flexibly adjust the height to meet different construction requirements, resulting in low utilization rate. In order to overcome these disadvantages, the utility model provides a height adjustment mechanism. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a height adjustment mechanism.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a height adjustment mechanism, including a first outer mold, a second outer mold is provided at both ends above the first outer mold, a groove is provided at the lower end of the second outer mold, both ends of the first outer mold are slidably connected in the corresponding grooves, a fixing rod is fixedly connected to the lower side of the outer end of the second outer mold, a sliding groove is provided at the lower end of the fixing rod, one end of the sliding groove is slidably connected to a slider, the lower end of the slider is fixedly connected to a threaded sleeve, a fixing plate is fixedly connected to the bottom of the first outer mold, both ends of the upper side of the fixing plate are rotatably connected to a first screw, one end of the first screw is threadedly connected to the corresponding threaded sleeve, both ends of the lower side of the fixing plate are rotatably connected to a rotating shaft, and the lower end of the rotating shaft is fixedly connected to a driven bevel gear.

[0006] Furthermore, a sliding rod is fixedly connected in each of the sliding grooves, and the sliding block is slidably connected to the corresponding sliding rod.

[0007] Furthermore, one end of the rotating shaft passes through the fixing plate and is fixedly connected to one end of the corresponding first screw rod.

[0008] Furthermore, transmission shafts are provided at both ends of the lower side of the fixed plate, one end of the transmission shaft is fixedly connected to a driving bevel gear, the driving bevel gear is meshed with the corresponding driven bevel gear, and both ends of the bottom side of the fixed plate are fixedly connected to support frames, one end of the transmission shaft passes through the corresponding support frame, and the transmission shaft is rotatably connected to the corresponding support frame.

[0009] Furthermore, a fixing frame is fixedly connected to the center of the lower end of the fixing plate, a dual-axis motor is fixedly connected inside the fixing frame, and two output ends of the dual-axis motor respectively penetrate the side walls of the fixing frame and are fixedly connected to one end of the corresponding transmission shaft.

[0010] Furthermore, one end of the upper side of the second outer mold is fixedly connected to a side plate, a slot is opened in the side plate, a movable plate is slidably connected in the slot, a second screw is rotatably connected in the slot, and one end of the second screw is threadedly connected to the movable plate.

[0011] Furthermore, the outer sides of the side panels are fixedly connected with connecting frames, the other ends of the second screws are rotatably connected with the corresponding connecting frames, the upper ends of the connecting frames are fixedly connected with driving motors, and the output ends of the driving motors pass through the corresponding connecting frames and are fixedly connected with one end of the second screws.

[0012] Beneficial effects of the utility model:

[0013] When the utility model is in use, the height adjustment mechanism has the following advantages:

[0014] 1. In the present scheme, a first outer mold, a second outer mold, a slot, a fixed plate, a fixed frame, a transmission shaft, a support frame, an active bevel gear, a rotating shaft, a driven bevel gear, a first screw, a fixed rod, a slide groove, a slide bar, a slider, and a threaded sleeve are provided. The operation of a dual-axis motor drives the transmission shaft and the active bevel gear at both ends to rotate, thereby driving the corresponding driven bevel gear, the rotating shaft, and the first screw to rotate. The threaded sleeve moves vertically up and down with the rotation of the first screw. At the same time, the second outer mold moves up and down along the side of the first outer mold, so that the relative distance between the second outer mold and the fixed plate increases or decreases, which is convenient for flexible adjustment of the overall height of the outer mold and improves the utilization rate and applicability of the mobile mold frame.

[0015] 2. In this solution, by providing a side plate, a movable plate, a second screw and a connecting frame, the driving motor drives the second screw to rotate, thereby driving the corresponding movable plate to slide up and down along the groove, so as to facilitate the adjustment of the height of the outer mold side. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solution of the present invention, the drawings required for use in the description of the specific implementation methods will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 : A schematic diagram of the structure of the utility model;

[0018] Figure 2 : A front view of the utility model;

[0019] Figure 3 :The utility model Figure 2 The enlarged view of point A in the middle;

[0020] Figure 4 : Bottom view of the utility model;

[0021] Figure 5 :The utility model Figure 4 Enlarged view of point B in the middle.

[0022] The reference numerals are as follows:

[0023] 1. First outer mold; 2. Second outer mold; 3. Slot; 4. Fixed plate; 5. Fixed frame; 6. Dual-axis motor; 7. Transmission shaft; 8. Support frame; 9. Active bevel gear; 10. Rotating shaft; 11. Driven bevel gear; 12. First screw; 13. Fixed rod; 14. Slide groove; 15. Slide rod; 16. Sliding block; 17. Threaded sleeve; 18. Side plate; 19. Moving plate; 20. Second screw; 21. Connecting frame; 22. Driving motor. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] like Figure 1-5 As shown, it relates to a height adjustment mechanism, including a first outer mold 1, wherein the second outer mold 2 is provided at both ends above the first outer mold 1, and the lower end of the second outer mold 2 is provided with a slot 3, and the two ends of the first outer mold 1 are respectively slidably connected in the corresponding slots 3, and the lower side of the outer end of the second outer mold 2 is fixedly connected with a fixing rod 13, and the lower end of the fixing rod 13 is provided with a slide groove 14, and one end of the slide groove 14 is slidably connected to a slider 16, and the lower end of the slider 16 is fixedly connected with a threaded sleeve 17, and the bottom of the first outer mold 1 is fixedly connected with a fixing plate 4, and the upper two ends of the fixing plate 4 are rotatably connected with a first screw rod 12, and one end of the first screw rod 12 is threadedly connected with the corresponding threaded sleeve 17, and the lower two ends of the fixing plate 4 are rotatably connected with a rotating shaft 10, and the lower end of the rotating shaft 10 is fixedly connected with a driven bevel gear 11.

[0026] like Figure 1-5As shown, a slide rod 15 is fixedly connected in the slide groove 14, and the slider 16 is slidably connected to the corresponding slide rod 15 to limit the vertical displacement of the slider 16. The slider 16 moves horizontally along the slide groove 14 as the threaded sleeve 17 moves up and down. One end of the rotating shaft 10 passes through the fixed plate 4 and is fixedly connected to one end of the corresponding first screw rod 12. Transmission shafts 7 are arranged at both ends below the fixed plate 4. One end of the transmission shaft 7 is fixedly connected to an active bevel gear 9, and the active bevel gear 9 is meshed with the corresponding driven bevel gear 11. Support frames 8 are fixedly connected to both ends of the bottom side of the fixed plate 4. One end of the transmission shaft 7 passes through the corresponding support frame 8, and the transmission shaft 7 is rotatably connected to the corresponding support frame 8. A fixed frame 5 is fixedly connected at the center of the lower end of the fixed plate 4. A dual-axis motor 6 is fixedly connected in the fixed frame 5. The two output ends of the dual-axis motor 6 respectively pass through the side walls of the fixed frame 5 and are fixedly connected to one end of the corresponding transmission shaft 7, providing a power source for the transmission shafts 7 at both ends.

[0027] like Figure 1-5 As shown, one end of the upper side of the second outer mold 2 is fixedly connected to a side plate 18, a slot is opened in the side plate 18, a movable plate 19 is slidably connected in the slot, a second screw 20 is rotatably connected in the slot, one end of the second screw 20 is threadedly connected to the movable plate 19, and the outer side of the side plate 18 is fixedly connected to a connecting frame 21, the other end of the second screw 20 is rotatably connected to the corresponding connecting frame 21, and the upper end of the connecting frame 21 is fixedly connected to a driving motor 22, and the output end of the driving motor 22 passes through the corresponding connecting frame 21 and is fixedly connected to one end of the second screw 20, so as to facilitate the adjustment of the height of the movable plate 19 extending out of the side plate 18, thereby adjusting the overall height.

[0028] Working principle: During use, when the height of the overall outer mold structure needs to be adjusted, the dual-axis motor 6 is started to drive the transmission shafts 7 at both ends to rotate, so that the active bevel gear 9 rotates and drives the driven bevel gear 11 meshing therewith to rotate, thereby driving the corresponding rotating shaft 10 and the first screw 12 to rotate, and the threaded sleeve 17 moves up and down with the rotation of the first screw 12, driving the second outer mold 2 to move along the side of the first outer mold 1, and the slider 16 slides horizontally along the corresponding slide groove 14 and slide rod 15, thereby increasing or decreasing the relative distance between the second outer mold 2 and the fixed plate 4, thereby adjusting the overall height of the outer mold, starting the drive motor 22, driving the second screw 20 to rotate, thereby driving the corresponding movable plate 19 to slide up and down along the slot, thereby adjusting the side height of the second outer mold 2.

[0029] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A height adjustment mechanism, comprising a first outer mold (1), characterized in that: The upper ends of the first outer mold (1) are provided with second outer molds (2), the lower ends of the second outer molds (2) are provided with slots (3), the two ends of the first outer mold (1) are respectively slidably connected in the corresponding slots (3), the lower sides of the outer ends of the second outer mold (2) are fixedly connected with fixing rods (13), the lower ends of the fixing rods (13) are provided with sliding grooves (14), one end of the sliding grooves (14) is slidably connected with sliders (16), the lower ends of the sliders (16) are fixedly connected with threaded sleeves (17), the bottom of the first outer mold (1) is fixedly connected with a fixing plate (4), the upper ends of the fixing plate (4) are rotatably connected with first screw rods (12), one end of the first screw rods (12) is threadedly connected with the corresponding threaded sleeves (17), the lower ends of the fixing plate (4) are rotatably connected with a rotating shaft (10), the lower ends of the rotating shaft (10) are fixedly connected with a driven bevel gear (11).

2. A height adjustment mechanism according to claim 1, characterized in that: The slide grooves (14) are fixedly connected with slide rods (15), and the slide blocks (16) are slidably connected with the corresponding slide rods (15).

3. A height adjustment mechanism according to claim 1, characterized in that: One end of the rotating shaft (10) passes through the fixing plate (4) and is fixedly connected to one end of the corresponding first screw rod (12).

4. A height adjustment mechanism according to claim 1, characterized in that: Both ends of the lower side of the fixed plate (4) are provided with a transmission shaft (7), one end of the transmission shaft (7) is fixedly connected to a driving bevel gear (9), and the driving bevel gear (9) is meshed with a corresponding driven bevel gear (11), and both ends of the bottom side of the fixed plate (4) are fixedly connected to a support frame (8), one end of the transmission shaft (7) passes through the corresponding support frame (8), and the transmission shaft (7) is rotatably connected to the corresponding support frame (8).

5. A height adjustment mechanism according to claim 1, characterized in that: A fixing frame (5) is fixedly connected to the center of the lower end of the fixing plate (4), a dual-axis motor (6) is fixedly connected inside the fixing frame (5), and two output ends of the dual-axis motor (6) respectively penetrate the side wall of the fixing frame (5) and are fixedly connected to one end of a corresponding transmission shaft (7).

6. A height adjustment mechanism according to claim 1, characterized in that: One end of the upper side of the second outer mold (2) is fixedly connected to a side plate (18), a notch is provided in the side plate (18), a movable plate (19) is slidably connected in the notch, a second screw rod (20) is rotatably connected in the notch, and one end of the second screw rod (20) is threadedly connected to the movable plate (19).

7. A height adjustment mechanism according to claim 6, characterized in that: The outer sides of the side plates (18) are fixedly connected to connecting frames (21); the other ends of the second screw rods (20) are rotatably connected to the corresponding connecting frames (21); the upper ends of the connecting frames (21) are fixedly connected to driving motors (22); the output ends of the driving motors (22) pass through the corresponding connecting frames (21) and are fixedly connected to one end of the second screw rods (20).

Images