Large precast concrete component roll-over stand

Abstract

The utility model provides a large precast concrete component roll-over stand which comprises a bearing arm, supporting arms are fixedly arranged on the two sides of the middle of the bearing arm, supporting arms are arranged at the two ends of the bearing arm, each supporting arm is provided with a jacking mechanism, and the jacking mechanisms are used for controlling the height of the bearing arm. The clamping mechanism comprises two clamping arms arranged on the bearing arm in a sliding mode and a bidirectional stud rotationally arranged on the bearing arm, the two clamping arms are in threaded connection with the two ends of the bidirectional stud respectively, and the two clamping arms are used for clamping a concrete body; the control mechanism comprises telescopic pieces arranged on the supporting arms correspondingly and adjusting pieces arranged on the bearing arms and used for controlling the telescopic pieces, and the telescopic pieces are used for overturning the concrete body; the two telescopic pieces are adjusted through the adjusting piece, one set of the two telescopic pieces ascends, the other set of the two telescopic pieces descends, the horizontally suspended prefabricated part is turned over, the prefabricated part is turned over at a constant speed by controlling the prefabricated part, and the situation that the prefabricated part swings due to inertia in the inclined state, and danger is caused is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of turnover frames, in particular to a large-scale prefabricated concrete component turnover frame. Background Art

[0002] Precast concrete components are components made in a factory using concrete as the basic material, including beams, slabs, columns and decorative accessories. When using precast concrete components, some of them need to be flipped over.

[0003] For example, the Chinese utility model with the announcement number CN219666569U discloses "a turning frame for large rectangular tubes". The device includes a frame, a rotating shaft rotatably connected to the frame, the rotating shaft cooperates with a rotating hole, an auxiliary rod is fixedly connected to the rotating shaft, the end of the auxiliary rod away from the rotating shaft cooperates with the auxiliary hole, the end of the frame away from the rotating shaft is slidably connected to a driven shaft, and the driven shaft can rotate on the frame, the driven shaft cooperates with the rotating hole, a support rod is fixedly connected to the driven shaft, the end of the support rod away from the driven shaft cooperates with the auxiliary hole, and a driving member for driving the rotating shaft to rotate is provided on the frame.

[0004] However, when the large precast concrete component is flipped by the above device, when it is flipped to a tilted state, due to its own weight, one end of the large precast concrete component will drop rapidly and the other end will rise rapidly when it tilts due to its own gravity, causing swinging due to inertia. The swinging of the large precast concrete component causes the entire component to shake, which is a very dangerous phenomenon during construction. Utility Model Content

[0005] In response to the deficiencies in the prior art, the utility model provides a large-scale precast concrete component turning frame, which solves the problem in the prior art that when a large-scale precast concrete component is turned to an inclined state, it swings due to inertia, and the swing of the large-scale precast concrete component causes the entire component to shake.

[0006] According to an embodiment of the present utility model, a large-scale prefabricated concrete component turning frame includes a load-bearing arm, wherein support arms are fixedly provided on both sides of the middle part, and support arms are provided at both ends of the load-bearing arm, and each support arm is provided with a jacking mechanism, and the jacking mechanism is used to control the height of the load-bearing arm; a clamping mechanism includes two clamping arms slidably arranged on the load-bearing arm, and a bidirectional stud rotatably arranged on the load-bearing arm, wherein the two clamping arms are respectively threadedly connected to the two ends of the bidirectional stud, and the two clamping arms are used to clamp the concrete body; a control mechanism includes telescopic parts respectively provided on each support arm, and an adjusting part provided on the load-bearing arm for controlling the telescopic parts, and the telescopic parts are used to flip the concrete body.

[0007] Compared with the prior art, the utility model has the following beneficial effects: first, the telescopic part is tied to the prefabricated part that needs to be flipped, and then the flat prefabricated part is clamped by two clamping arms, and the jacking mechanism is controlled to make the prefabricated part suspended in the air, and then the two telescopic parts are adjusted by the adjusting part, so that one group of the two telescopic parts rises and the other group falls, and the horizontally suspended prefabricated part is flipped. During the flipping process, the two telescopic parts move synchronously and in opposite directions, that is, one rises and the other falls, to control the prefabricated part to flip at a uniform speed, thereby avoiding swinging due to inertia in the tilted state, which may cause danger.

[0008] Preferably, a travel groove is mirrored on the load-bearing arm, and the two clamping arms are hung on the load-bearing arm through the corresponding travel grooves. The two-way stud passes through the two travel grooves, and both ends are respectively threadedly connected to the corresponding clamping arms.

[0009] Preferably, each telescopic member includes a wire twisting roller rotatably arranged on the corresponding support arm, a steel cable is arranged on the wire twisting roller, a U-shaped buckle is arranged at one end of the steel cable, and a turbine is coaxially arranged on the wire twisting roller.

[0010] Preferably, the adjusting member includes transmission shafts that are respectively rotatably arranged on the support arms, and a driving source arranged on the load-bearing arm, and bevel gears are provided on the ends of the two transmission shafts that are close to each other and the output shaft of the driving source, and the bevel gears on the two transmission shafts are meshed with the bevel gears on the output shaft of the driving source, wherein a worm is provided on the ends of the two transmission shafts away from the driving source, and each worm is meshed with the corresponding turbine.

[0011] Preferably, each lifting mechanism includes a support frame and a lifting member arranged on the support frame, and the support arm is slidably arranged in the corresponding support frame and abuts against the lifting member.

[0012] Preferably, two rollers are provided at the bottom of each support frame.

[0013] Preferably, a rubber pad is provided on the inner arc surface of each U-shaped buckle.

[0014] Preferably, a protective cover is provided on the load-bearing arm, wherein the mutually meshing worms and turbines and the three sets of helical gears are all located inside the protective cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of an embodiment of the present utility model.

[0016] Figure 2 This is a schematic diagram of the explosion structure of an embodiment of the utility model.

[0017] Figure 3 Schematic diagram of the structure of the control mechanism in the embodiment of the present utility model.

[0018] In the above drawings: 1. Support frame; 100. Concrete body; 101. Lifting member; 103. Roller; 2. Load-bearing arm; 201. Clamping arm; 203. Support arm; 204. Travel groove; 205. Bidirectional stud; 206. Support arm; 3. Wire rope roller; 301. Drive source; 302. Turbine; 303. Drive shaft; 304. Bevel gear; 305. Protective cover; 306. Worm; 4. U-shaped buckle; 402. Rubber pad; 403. Steel cable. DETAILED DESCRIPTION

[0019] The technical solution of the present invention is further described below with reference to the accompanying drawings and embodiments.

[0020] like Figures 1 to 3 As shown, an embodiment of the present invention proposes a large-scale concrete precast component turning frame, which includes a load-bearing arm 2, wherein support arms 206 are fixedly provided on both sides of the middle part, and support arms 203 are provided at both ends of the load-bearing arm 2, and each support arm 203 is provided with a jacking mechanism, which is used to control the height of the load-bearing arm 2; a clamping mechanism, including two clamping arms 201 slidably arranged on the load-bearing arm 2, and a bidirectional stud 205 rotatably arranged on the load-bearing arm 2, wherein the two clamping arms 201 are respectively threadedly connected to the two ends of the bidirectional stud 205, and the two clamping arms 201 are used to clamp the concrete body 100; a control mechanism, including telescopic parts respectively arranged on each support arm 206, and an adjusting part arranged on the load-bearing arm 2 for controlling the telescopic parts, and the telescopic parts are used to turn the concrete body 100.

[0021] The detailed working process of this embodiment is as follows: the function of the clamping arm 201 is to clamp the concrete body 100, the function of the jacking mechanism is to control the height of the load-bearing arm 2, and the stacked concrete body 100 can be lifted to a suspended state. The bidirectional stud 205 is used to adjust the relative distance between the two clamping arms 201, clamping concrete bodies 100 of different specifications, and expanding the scope of use.

[0022] When in use, first bind the telescopic part to the prefabricated part that needs to be flipped, then clamp the flat prefabricated part through the two clamping arms 201, control the lifting mechanism to make the prefabricated part suspended in the air, and then adjust the two telescopic parts through the adjusting part so that one group of the telescopic parts rises and the other group falls, thereby flipping the horizontally suspended prefabricated part.

[0023] like Figure 2 As shown, a travel groove 204 is mirrored on the load-bearing arm 2, and the two clamping arms 201 are hung on the load-bearing arm 2 through the corresponding travel grooves 204. The two-way stud 205 passes through the two travel grooves 204, and the two ends are respectively threadedly connected to the corresponding clamping arms 201.

[0024] The detailed working process of this embodiment is as follows: the clamping arm 201 can move in the corresponding travel groove 204, and when adjusting, it can be done by rotating the bidirectional stud 205.

[0025] like Figure 2 and Figure 3 As shown, each telescopic member includes a wire twisting roller 3 rotatably arranged on the corresponding support arm 206, a steel cable 403 is arranged on the wire twisting roller 3, and a U-shaped buckle 4 is arranged at one end of the steel cable 403, wherein a turbine 302 is coaxially arranged on the wire twisting roller 3.

[0026] The detailed working process of this embodiment is as follows: the stranding roller 3 is used to store the steel cable 403, and the rise and fall of the corresponding steel cable 403 is controlled by rotating the stranding roller 3, while the U-shaped buckle 4 is used to fix the concrete body 100. When in use, the two U-shaped buckles 4 can be directly buckled on both sides of the concrete body 100.

[0027] like Figure 2 and Figure 3 As shown, the adjusting member includes a transmission shaft 303 respectively rotatably arranged on the support arm 206, and a driving source 301 arranged on the load-bearing arm 2, and a bevel gear 304 is provided on the end of the two transmission shafts 303 close to each other and the output shaft of the driving source 301, and the bevel gears 304 on the two transmission shafts 303 are meshed with the bevel gear 304 on the output shaft of the driving source 301, wherein the end of the two transmission shafts 303 away from the driving source 301 is provided with a worm 306, and each worm 306 is meshed with the corresponding turbine 302.

[0028] The detailed working process of this embodiment is as follows: the transmission shaft 303 respectively arranged on each support arm 206 is connected to the driving source 301 through the bevel gear 304 to realize synchronous reversal of the same axis, and at the same time, the other end of each transmission shaft 303 is connected to the wire rope roller 3 through the turbine 302 worm 306, so that the two wire rope rollers 3 rotate synchronously and in opposite directions, that is, one wire rope roller 3 controls the corresponding steel cable 403 to rise, and the other wire rope roller 3 controls the corresponding steel cable 403 to fall, and at the same time, the worm 306 is engaged with the corresponding turbine 302. Due to its self-locking characteristics, it avoids the phenomenon of self-rotation of the wire rope roller 3 due to gravity.

[0029] The driving source 301 in this embodiment is a motor. In other embodiments, different driving devices can be selected according to actual needs.

[0030] like Figure 2 As shown, each lifting mechanism includes a support frame 1 and a lifting member 101 arranged on the support frame 1 , and the support arm 203 is slidably arranged in the corresponding support frame 1 and abuts against the lifting member 101 .

[0031] The detailed working process of this embodiment is as follows: the function of the lifting member 101 is to control the height of the load-bearing arm 2 so that the clamped prefabricated part is suspended in the air for easy flipping. The lifting member 101 in this embodiment is a jack. In other embodiments, a suitable lifting member can be selected according to actual conditions.

[0032] like Figure 1 As shown, two rollers 103 are provided at the bottom of each support frame 1 .

[0033] The detailed working process of this embodiment is as follows: the function of the roller 103 is to facilitate movement.

[0034] like Figure 2 As shown, a rubber pad 402 is provided on the inner arc surface of each U-shaped buckle 4 .

[0035] The detailed working process of this embodiment is as follows: the function of the rubber pad 402 is to prevent the U-shaped buckle 4 from directly and rigidly contacting the prefabricated part, thereby preventing the prefabricated part from being worn during the flipping process.

[0036] like Figure 2 As shown, a protective cover 305 is provided on the load-bearing arm 2 , wherein the mutually meshing worms 306 and turbines 302 and the three sets of helical gears 304 are all located inside the protective cover 305 .

[0037] The detailed working process of this embodiment is as follows: the function of the protective cover 305 is to protect the mutually meshing parts to prevent them from being corroded and affecting the rotation.

[0038] The implementation principle of the embodiment of the present application is: first, the corresponding U-shaped buckle 4 is tied to the prefabricated part that needs to be flipped, and then the two clamping arms 201 are adjusted by rotating the bidirectional stud 205 to clamp the flat prefabricated part. After the clamping is stable, the clamped prefabricated part is lifted to a horizontal suspension by the jacking part 101, and then the twisting roller 3 is controlled by the driving source 301 to flip the horizontally suspended prefabricated part.

[0039] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model and are not limiting. Although the utility model is described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A large-scale precast concrete component turning frame for turning over a concrete body (100), characterized in that: include: The load-bearing arm (2) has support arms (206) fixedly provided on both sides of its middle portion, and support arms (203) are provided at both ends of the load-bearing arm (2), and each of the support arms (203) is provided with a lifting mechanism, and the lifting mechanism is used to control the height of the load-bearing arm (2); The clamping mechanism comprises two clamping arms (201) slidably arranged on the load-bearing arm (2), and a bidirectional stud (205) rotatably arranged on the load-bearing arm (2), wherein the two clamping arms (201) are respectively threadedly connected to two ends of the bidirectional stud (205), and the two clamping arms (201) are used to clamp the concrete body (100); The control mechanism comprises telescopic members respectively arranged on each of the support arms (206), and an adjusting member arranged on the load-bearing arm (2) for controlling the telescopic members, wherein the telescopic members are used to flip the concrete body (100).

2. The large-scale precast concrete component turning frame according to claim 1 is characterized in that: A travel groove (204) is mirror-imaged on the load-bearing arm (2), and the two clamping arms (201) pass through the corresponding travel grooves (204) and are hung on the load-bearing arm (2). The bidirectional stud (205) passes through the two travel grooves (204), and both ends are respectively threadedly connected to the corresponding clamping arms (201).

3. The large-scale precast concrete component turning frame according to claim 1 is characterized in that: Each of the telescopic parts comprises a wire twisting roller (3) rotatably arranged on the corresponding support arm (206), a steel cable (403) is arranged on the wire twisting roller (3), a U-shaped buckle (4) is arranged at one end of the steel cable (403), and a turbine (302) is coaxially arranged on the wire twisting roller (3).

4. The large-scale precast concrete component turning frame according to claim 3 is characterized in that: The adjusting member comprises a transmission shaft (303) rotatably arranged on the support arm (206) and a driving source (301) arranged on the load-bearing arm (2); a helical gear (304) is arranged on the ends of the two transmission shafts (303) close to each other and the output shaft of the driving source (301); the helical gears (304) on the two transmission shafts (303) are meshed with the helical gear (304) on the output shaft of the driving source (301); wherein, a worm (306) is arranged on the ends of the two transmission shafts (303) away from the driving source (301); and each worm (306) is meshed with the corresponding turbine (302).

5. The large-scale precast concrete component turning frame according to claim 1 is characterized in that: Each of the lifting mechanisms comprises a support frame (1) and a lifting member (101) arranged on the support frame (1); the support arm (203) is slidably arranged in the corresponding support frame (1) and abuts against the lifting member (101).

6. The large-scale precast concrete component turning frame according to claim 5, characterized in that: Two rollers (103) are provided at the bottom of each support frame (1).

7. The large precast concrete component turning frame according to claim 3, characterized in that: The inner arc surface of each U-shaped buckle (4) is provided with a rubber pad (402).

8. The large-scale precast concrete component turning frame according to claim 4, characterized in that: A protective cover (305) is provided on the load-bearing arm (2), wherein the mutually meshing worms (306) and turbines (302) and three sets of helical gears (304) are all located inside the protective cover (305).

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