CN115107157B - Concrete steel mould turnover device - Google Patents
Concrete steel mould turnover device Download PDFInfo
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- CN115107157B CN115107157B CN202210607263.3A CN202210607263A CN115107157B CN 115107157 B CN115107157 B CN 115107157B CN 202210607263 A CN202210607263 A CN 202210607263A CN 115107157 B CN115107157 B CN 115107157B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/04—Discharging the shaped articles
- B28B13/06—Removing the shaped articles from moulds
- B28B13/065—Removing the shaped articles from moulds by applying electric current or other means of discharging, e.g. pneumatic or hydraulic discharging means
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- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Abstract
The utility model provides a concrete steel mould turns over mould device, includes to turn over mould main hanging beam, turns over mould arm lock, thrust unit, turns over the mould device, turns over mould main hanging beam and a pair of turnover mould arm lock fixed connection and forms the longmen and suspends the structure, turns over the one end of mould arm lock and all connects thrust unit, thrust unit has the rotatory telescopic shaft that can stretch out and draw back to longmen and suspend the inside of structure, rotatory telescopic shaft fixed connection a pair of upset mounting, a pair of upset mounting use rotatory telescopic shaft as axisymmetry, turns over the mould device and is connected and drive rotatory telescopic shaft rotation and flexible with rotatory telescopic shaft. The gantry crane structure is adopted to hoist and overturn the steel mould, so that the flexibility is strong, the movement is convenient, and the whole disassembly and assembly of the lifting appliance are facilitated. The single-side pair of overturning fixing pieces fix/loosen the steel die in a telescopic fixing mode, and the overturning moment arm is enough and uniform and firm in fixation, so that the posture of the steel die during overturning is stable.
Description
Technical Field
The invention relates to the field of railway accessory component manufacturing equipment, in particular to a concrete steel mould turnover device.
Background
High-speed railways with speed per hour higher than 250 km/h play an increasingly important role in railway traffic. However, the requirement of the high-speed railway on the track and maintenance thereof, such as filling the track with railway ballasts, is higher than that of a common railway. The technology of ballastless track has been rapidly developed in recent decades to save maintenance cost of track during use, and has been increasingly applied in practical engineering. The ballastless track made of the concrete material has good smoothness, strong integrity, durable geometric state, good resistance to severe environments (such as high temperature, extremely low temperature and ultraviolet light aging) and long service life. No special maintenance is needed in the use process, and the water purifier is one of the main current tracks of all countries in the world.
The sleeper of the concrete in the ballastless track is prefabricated by pouring the concrete into a sleeper steel mould, and the steel mould needs to be overturned for 180 degrees to be demoulded after the concrete is solidified in the steel mould. Because the sleeper steel mould is large in size and heavy in weight, the sleeper steel mould needs to be turned over by using a special lifting appliance. The existing double-block sleeper production line is characterized in that a steel mould lifting appliance is independently configured for lifting, then a cured steel mould containing a concrete sleeper is lifted on a production line raceway, the steel mould is conveyed to a special base type mould turning machine on the production line roller way to finish clamping and mould turning actions, after mould turning is finished, the mould turning machine is pushed out and lifted by the lifting appliance for next operation, the process flow is finished for a longer time, more equipment is needed (lifting appliance, roller way and mould turning machine), and the equipment occupation area is larger.
Technical schemes related to lifting and overturning of prefabricated member steel moulds are disclosed in the prior art. In the technical scheme disclosed in the patent document publication No. CN210389625U named as a sleeper die in-situ turnover machine, vertical lifting is adopted to lift and turnover the die, and a die gripper is adopted to fix the die when the die is fixedly lifted. The vertical hoisting is located on the ground, so that stability in the hoisting process is good, the whole movement of the hoisting device is not facilitated, and the flexibility is poor; and adopt mechanical tongs to fix the mould, because the dead weight volume of mould is great, mechanical tongs are unfavorable for the fixed stability of centre gripping to the mould in the hoist and mount process, have certain potential safety hazard. In the technical scheme of the mechanical lifting turnover crane with the publication number of CN201292213Y, a turnover hydraulic cylinder is also adopted to drive a turnover hook to clamp and turn over the die, and the problem of unstable die turnover posture in the hoisting process is also solved.
Therefore, the concrete steel mould turning mould which has good stability of turning gesture and is convenient to operate and move has important significance in the field.
Disclosure of Invention
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a concrete steel mould turns over mould device, including turning over mould main hanging beam, turning over mould arm lock, thrust unit, turning over mould device, turning over mould main hanging beam and a pair of turning over mould arm lock fixed connection form gantry suspension structure, and thrust unit is all connected to the one end of turning over mould arm lock, and thrust unit has the rotatory telescopic shaft that can stretch out and draw back to gantry suspension structure inside, rotatory telescopic shaft fixed connection a pair of upset mounting, a pair of upset mounting use rotatory telescopic shaft as axisymmetry, and the turning over mould device is connected and drives rotatory telescopic shaft rotation and is flexible with rotatory telescopic shaft.
Further, the pair of overturning fixing pieces are hollow jackets and are fixedly connected with the rotary telescopic shaft.
Further, the pushing device comprises a telescopic driving device and a telescopic transmission device, and the telescopic transmission device is connected with the rotary telescopic shaft and drives the hollow jacket to stretch towards the inside of the gantry suspension structure;
the mold turning device comprises a mold turning driving device and a mold turning transmission device, and the mold turning transmission device is connected with the rotary telescopic shaft to drive the hollow jacket to rotate around the rotary telescopic shaft.
Further, the rotary telescopic shaft comprises a shaft sleeve and a sliding sleeve, wherein the shaft sleeve is of an inner square hollow and outer circumference structure, and the sliding sleeve is of a square cylinder which penetrates through the inner square hollow of the shaft sleeve and is in small clearance fit with the inner square hollow; the outer circumference of the shaft sleeve is connected with the turnover bearing seat in a matched manner to rotate in the shaft sleeve so as to drive the sliding sleeve to rotate, and the telescopic transmission device is connected with the sliding sleeve and drives the sliding sleeve to stretch and retract along the inner square hollow of the shaft sleeve.
Further, the telescopic driving device and the turnover driving device are motors, the telescopic transmission device is a pushing screw rod, and one end of the pushing screw rod is connected with the sliding sleeve; the turnover die transmission device comprises a chain, a driving sprocket and a driven sprocket, wherein the driven sprocket is connected with the outer circumference of the shaft sleeve to drive the turnover die transmission device to rotate in the turnover bearing seat.
Further, a driving chain wheel is fixed on the mold-turning clamping arm, a position sensing point is arranged on a chain, and four position sensors are fixed on the mold-turning clamping arm; when the position sensing point E moves along with the chain and approaches the position sensor A, the two hollow jackets are positioned at the horizontal 0-degree position, and when the position sensing point E approaches the position sensor D, the two hollow jackets are positioned at the horizontal 180-degree position; when the position sensing point E moves between the position sensors along with the chain, the rotation speed of the driving sprocket is larger than the rotation speed of the position sensing point E when the position sensing point E moves along with the chain and the position sensors.
Further, the steel mould frame positioning device comprises a positioning device, the positioning device comprises a positioning driving device, a positioning transmission device and a positioning moving device, the positioning moving device is provided with a positioning end, the positioning transmission device can drive the positioning end to approach the outer edge of the steel mould frame, and when the positioning end is in contact with the outer edge of the steel mould frame, the hollow jacket is aligned with a steel mould shaft of the steel mould frame.
Further, the positioning moving device is four positioning angle rods movably connected with the main lifting beam of the turnover mould, and two of the four positioning angle rods are arranged on one side of the main lifting beam of the turnover mould in a group; when the positioning angle rods are in a space vertical state, the spacing between the positioning angle rods between the single groups is the length of the steel mould frame, and the spacing between the positioning angle rods between the two groups is the width of the steel mould frame; the positioning end is the tail end of the positioning angle rod, and when the tail ends of the four positioning angle rods are in contact with four corners of the steel mould frame, the hollow jacket is aligned with the steel mould shaft of the steel mould frame.
Further, the positioning driving device is a motor, the positioning transmission device comprises a positioning screw rod and a positioning thread sleeve matched with the positioning screw rod, the positioning thread sleeve is connected with one end opposite to the positioning end of the positioning angle rod, the one end opposite to the positioning end of the positioning angle rod is hinged with the turnover mould main hanging beam, and the positioning thread sleeve pushes the positioning angle rod to swing around a hinging point under the driving of the positioning driving device and the positioning transmission device.
Further, the inner face of the positioning end is provided with an inclined plane, and the inclined plane can play a role in guiding the positioning angle rod when contacting with the outer edge of the steel mould frame.
The invention has the following advantages:
1. the gantry crane structure is adopted to hoist and overturn the steel mould, so that the flexibility is strong, the movement is convenient, and the whole disassembly and assembly of the lifting appliance are facilitated.
2. The design of rotatory telescopic shaft is with the rotatory transmission of steel mould upset and the flexible integration of the fixed straight line of steel mould, and the structure integrated level is high.
3. The single-side pair of overturning fixing pieces fix/loosen the steel die in a telescopic fixing mode, and the overturning moment arm is enough and uniform and firm in fixation, so that the posture of the steel die during overturning is stable.
Drawings
Fig. 1: schematic diagram of concrete steel mould turnover device principle;
fig. 2: the concrete steel mould turning device is not connected with a steel mould frame structure diagram;
fig. 3: the concrete steel mould turning device is connected with a first side view of a steel mould frame structure;
fig. 4: FIG. 3 is an enlarged view of a portion;
fig. 5: the mold turning clamping arm is formed by observing a structural schematic diagram on the inner side of a portal frame of a mold turning device;
fig. 6: the concrete steel mould turnover device is connected with a steel mould frame structure schematic diagram:
fig. 7: the concrete steel mould turnover device is connected with a second side view of the steel mould frame structure;
fig. 8: positioning a partial enlarged view of the joint of the threaded sleeve;
fig. 9: positioning end partial enlarged view.
Detailed Description
The present invention will be further described in conjunction with the accompanying drawings and specific embodiments to enable one of ordinary skill in the art to practice the same fully.
As shown in fig. 1, a concrete steel mould turnover device comprises a turnover main hanging beam 1, turnover clamping arms 2, a pushing device 3 and a turnover device 4, wherein the turnover main hanging beam 1 and the pair of turnover clamping arms 2 are fixedly connected to form a gantry suspension structure, one end of each turnover clamping arm 2 is connected with the pushing device 3, the pushing device 3 is provided with a rotary telescopic shaft 3a which can stretch out and draw back towards the interior of the gantry suspension structure, the rotary telescopic shaft 3a is fixedly connected with a pair of turnover fixing pieces 3b, the pair of turnover fixing pieces 3b take the rotary telescopic shaft 3a as axisymmetry, and the turnover device 4 is connected with the rotary telescopic shaft 3a and drives the rotary telescopic shaft 3a to rotate and stretch out and draw back. The side of the steel mould frame S is provided with a pair of extended steel mould shafts S01, when a pair of overturning fixing pieces 3b move towards the inside of the gantry suspension structure, the overturning fixing pieces 3b on the opposite side can be aligned with the steel mould shafts S01 and are sleeved on the steel mould shafts S01 in a sleeved mode. Because the pair of overturning fixing pieces 3b take the rotary telescopic shaft 3a as the axis symmetry, when the rotary telescopic shaft 3a rotates, the pair of overturning fixing pieces 3b can be driven to rotate around the rotary telescopic shaft to provide a rotary force arm for overturning the steel mould frame S. The structure is firm in fixing the steel mould frame S, the overturning moment arm is stable, and the posture of the steel mould frame S during overturning is stable.
As shown in fig. 2 and 3, in this embodiment, a pair of overturning fixing members 3b are hollow jackets 311 and are fixedly connected with a rotating telescopic shaft 3 a. The pair of turnover fixing members 3b are fixedly connected with the rotary telescopic shaft 3a by a flange through a connecting lug 315, and the pair of turnover fixing members 3b are symmetrically and fixedly connected to the connecting lug 315.
The pushing device 3 comprises a telescopic driving device 31 and a telescopic transmission device 32, and the telescopic transmission device 32 is connected with the rotary telescopic shaft 3a and drives the hollow jacket 311 to stretch towards the inside of the gantry suspension structure; the mold turning device 4 comprises a mold turning driving device 41 and a mold turning driving device 42, and the mold turning driving device 42 is connected with the rotary telescopic shaft 3a to drive the hollow jacket 311 to rotate around the rotary telescopic shaft 3 a.
The telescopic driving device 31 and the turnover driving device 41 are motors, the telescopic transmission device 32 is a pushing screw rod 321, and one end of the pushing screw rod 321 is connected with the sliding sleeve 313; the turnover driving device 42 comprises a chain 421, a driving sprocket 423 and a driven sprocket 422, wherein the driven sprocket 422 is connected with the outer circumference of the shaft sleeve 312 to drive the turnover driving device to rotate in the turnover bearing seat 314.
In this embodiment, the mold turning driving device 41 and the mold turning driving device 42 are fixed on the mold turning clamping arm 2 in pairs, and the rotation speed and the rotation angle of the driving sprocket 423 are synchronously controlled when the motors on two sides drive the driving sprocket 423 to rotate, so as to ensure that the rotation angles of the driving sprocket 423 and the driven sprocket 422 on two sides are consistent.
As shown in fig. 4, the rotary telescopic shaft 3a includes a shaft sleeve 312 and a sliding sleeve 313, the shaft sleeve 312 has an inner square hollow and an outer circumferential structure, and the sliding sleeve 313 has a square cylinder which penetrates the inner square hollow of the shaft sleeve 312 and is in small clearance fit with the inner square hollow; the outer circumference of the shaft sleeve 312 is cooperatively connected with the turnover bearing seat 314 to rotate in the shaft sleeve, so that the sliding sleeve 313 is driven to rotate, and the telescopic transmission device 32 is connected with the sliding sleeve 313 and drives the telescopic transmission device to extend and retract along the inner square hollow of the shaft sleeve 312. The shaft sleeve 312 is connected with the driven sprocket 422 through a flange, when the driven sprocket 422 rotates, the shaft sleeve 312 can rotate in the turnover bearing seat 314, because the shaft sleeve 312 is of an inner square hollow and outer circumference structure, the sliding sleeve 313 is of a square cylinder, and penetrates through the inner square hollow of the shaft sleeve 312, when the shaft sleeve 312 rotates, the square hollow structure provides a rotating force arm for the sliding sleeve 313, so that the sliding sleeve 313 can be driven to rotate, and the hollow jacket 311 fixedly connected with the sliding sleeve 313 is driven to rotate. Meanwhile, since the sliding sleeve 313 and the shaft sleeve 312 are in small clearance fit in the axial direction, when the telescopic transmission device 32 stretches, the sliding sleeve 313 can be driven to stretch along the axial direction, and the hollow jacket 311 can be driven to stretch. The structural design of the rotary telescopic shaft 3a enables the rotary structure and the telescopic structure to be integrated into a whole, and the structural integration level of the rotary telescopic shaft is improved.
Because the turnover mould device is in soft connection with the crown block, the reaction force in the process of turning over the steel mould can cause the whole turnover mould main hanging beam 1 to reversely shake, which is not beneficial to the gesture control during the turning over. Thus, in this embodiment, as shown in fig. 5, the driving sprocket 423 is fixed on the overmolded arm 2, the chain 421 is provided with the position sensing point E, and four position sensors (a, B, C, D) are fixed on the overmolded arm 2; when the position sensing point E moves along with the chain 421 and approaches the position sensor A, the two hollow jackets 311 are positioned at the horizontal 0-degree position, and when the position sensing point E approaches the position sensor D, the two hollow jackets 311 are positioned at the horizontal 180-degree position; the rotational speed of the drive sprocket 423 when the position sensing point E moves between the position sensors (B, C) with the chain 421 is greater than the rotational speed when the position sensing point E moves between the position sensors (a, B) and the position sensors (C, D) with the chain 421. Four position sensors (A, B, C, D) can be fixed on the turnover mold clamping arm 2 by adopting an infrared probe, and a metal stop block can be fixed on the chain 421 by the position sensing point E. The specific control method comprises the following steps: when the position sensing point E moves along with the chain 421 and approaches the position sensor A, the motor rotation speed is controlled, the overturning speed is controlled at a lower speed until the position sensing point E approaches the position sensor B so as to ensure low-speed overturning at the beginning of overturning, and unstable posture caused by large inertia is prevented. When the overturning approaches to stability, the rotating speed of the motor is increased when overturning between the position sensors (B, C), so that the overturning time is saved. When the overturning approaches to 180 degrees, namely, the overturning is similar to the initial overturning control when the position sensors (C and D) are positioned, the rotating speed of the motor is reduced, and the unstable posture when the overturning is stopped is avoided.
Because the whole device adopts gantry suspension to cooperate with crown block to move, and the precondition for determining whether the overturning is smoothly performed is that the relative positions of the hollow jacket 311 and the steel mould shaft S01 should be determined accurately. Generally, in lifting alignment, alignment can be achieved by operating the crown block to translate and lift, and combining manual observation and fine adjustment, but this mode is too inefficient, so in order to enable the relative position positioning of the hollow jacket 311 and the steel mold shaft S01 to be relatively rapid and accurate, the following embodiments are provided as shown in fig. 6 and 7:
the positioning device 5 is further included, the positioning device 5 comprises a positioning driving device 51, a positioning transmission device 52 and a positioning moving device 53, the positioning moving device 53 is provided with a positioning end 5a, the positioning transmission device 52 can drive the positioning end 5a to approach the outer edge of the steel mould frame S, and when the positioning end 5a is in contact with the outer edge of the steel mould frame S, the hollow jacket 311 is aligned with a steel mould shaft S01 of the steel mould frame S. Because the size of the steel mould frame S is relatively fixed, after the positioning end 5a contacts with the outer edge of the steel mould frame S and the relative position is determined, the space position of the whole hoisting device is randomly determined, and when the hollow jacket 311 moves towards the steel mould shaft S01, the hollow jacket 311 can be accurately sleeved and matched with the steel mould shaft S01.
A preferred positioning mechanism is implemented as follows: the positioning moving device 53 is four positioning angle rods 531 movably connected with the main lifting beam 1 of the turnover mould, and two of the four positioning angle rods 531 are arranged on one side of the main lifting beam 1 of the turnover mould in a group; when the positioning angle bars 531 are in a space vertical state, the spacing between the positioning angle bars 531 between the single groups is the length of the steel mould frame S, and the spacing between the positioning angle bars 531 between the two groups is the width of the steel mould frame S; the positioning end 5a is the end of the positioning angle bar 531, and when the ends of the four positioning angle bars 531 are in contact with the four corners of the steel mould frame S, the hollow jacket 311 is aligned with the steel mould shaft S01 of the steel mould frame S. The embodiment can realize the positioning of the steel mould frame S in the three-dimensional space, and as the position of the hollow jacket 311 is fixed relative to the whole device, once the position of the whole gantry hoisting structure relative to the steel mould frame S in the three-dimensional space is determined, the hollow jacket 311 can be aligned with the steel mould shaft S01 correctly. The four positioning angle rods 531 can realize three-dimensional space positioning to determine the relative position at one time, but alternatively, the positioning of one dimension space can be omitted for manual fine adjustment. For example, the positioning angle bars 531 are only arranged relatively to each other, so that the positions on the axis of the steel mould frame S cannot be positioned, and the positioning efficiency can be still improved relative to the mode without the positioning device through manual fine adjustment.
The specific movement positioning mechanism of the positioning angle lever 531 is realized as follows: the positioning driving device 51 is a motor, the positioning transmission device 52 comprises a positioning screw rod 521 and a positioning threaded sleeve 522 matched with the positioning screw rod 521, the positioning threaded sleeve 522 is connected with one end opposite to the positioning end 5a of the positioning angle rod 531, one end opposite to the positioning end 5a of the positioning angle rod 531 is hinged with the turnover mould main hanging beam 1, and the positioning threaded sleeve 522 pushes the positioning angle rod 531 to swing around a hinging point under the driving of the positioning driving device 51 and the positioning transmission device 52. As shown in fig. 6 to 8, the positioning angle bar 531 is fixedly connected to a cross bar 532, the positioning screw sleeve 522 is mounted on the mounting plate 523, the mounting plate 523 is hinged to the cross bar 532, one end of the positioning screw 521 is engaged with the positioning screw sleeve 522, and the other end is connected to an output shaft of the positioning driving device 51 (motor) (not shown in the drawings) in a universal manner. Therefore, both ends of the positioning screw 521 are movably connected with the positioning angle rod 531 and the driving device 51 (motor), and when the positioning screw 521 rotates, the positioning screw sleeve 522 is driven to translate, so that the positioning angle rod 531 can be driven to swing.
In positioning, it is not necessary to swing the positioning angle bar 531 by a certain angle around the hinge point, because when the whole gantry lifting structure is lifted by a certain height, the positioning angle bar 531 can still approach the edge of the steel mold frame S by lowering the height even if the positioning angle bar 531 is maintained in a space vertical state. However, after the positioning is completed, when the steel mould frame S needs to be overturned, the positioning angle rod 531 needs to be moved out of the edge of the steel mould frame S, otherwise the overturning can not be completed due to interference, so that the positioning screw rod 521 can be utilized to drive the positioning threaded sleeve 522 to translate after the positioning is completed, the positioning angle rod 531 is pushed to swing around a hinging point for a certain angle, and a space is provided for the overturning of the steel mould frame S. Similarly to the previous, the positioning angle bar 531 can also adopt a vertical lifting mode to realize positioning and avoiding before the mold turning, but the required stroke and time for avoiding in a swinging mode are smaller than those of the vertical lifting mode, so that the mold turning waiting time is shorter and the efficiency is higher.
Preferably, the inner surface of the positioning end 5a is provided with a bevel which can guide the positioning angle bar 531 when contacting with the outer edge of the steel mould frame S. Preferably, the tail end of the positioning end 5a is turned outwards to form a horn-shaped inclined plane, and when the horn-shaped inclined plane approaches to the outer edge of the steel die frame S and contacts with the outer edge, a good guiding effect can be achieved.
It will be apparent that the examples described above represent only a few embodiments of the present invention, which are described in more detail and detail, but are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (5)
1. The utility model provides a concrete steel mould turns over mould device, includes to turn over mould main hanging beam (1), turns over mould arm lock (2), thrust unit (3), turns over mould device (4), turns over mould main hanging beam (1) and a pair of turnover mould arm lock (2) fixed connection and forms longmen suspension structure, its characterized in that: one end of the mold turning clamping arm (2) is connected with a pushing device (3), the pushing device (3) is provided with a rotary telescopic shaft (3 a) which can stretch towards the inside of the gantry suspension structure, the rotary telescopic shaft (3 a) is fixedly connected with a pair of turning fixing pieces (3 b), the pair of turning fixing pieces (3 b) are symmetrical with the rotary telescopic shaft (3 a) as an axis, and the mold turning device (4) is connected with the rotary telescopic shaft (3 a) and drives the rotary telescopic shaft (3 a) to rotate and stretch;
the pair of overturning fixing pieces (3 b) are hollow jackets (311) and are fixedly connected with the rotary telescopic shaft (3 a);
the steel mould positioning device further comprises a positioning device (5), the positioning device (5) comprises a positioning driving device (51), a positioning transmission device (52) and a positioning moving device (53), the positioning moving device (53) is provided with a positioning end (5 a), the positioning transmission device (52) can drive the positioning end (5 a) to approach the outer edge of the steel mould frame (S), and when the positioning end (5 a) is in contact with the outer edge of the steel mould frame (S), the hollow jacket (311) is aligned with a steel mould shaft (S01) of the steel mould frame (S);
the positioning moving device (53) is four positioning angle rods (531) which are movably connected with the main lifting beam (1) of the turnover mould, and two of the four positioning angle rods (531) are arranged on one side of the main lifting beam (1) of the turnover mould in a group; when the positioning angle rods (531) are in a space vertical state, the spacing between the single groups of positioning angle rods (531) is the length of the steel mould frame (S), and the spacing between the two groups of positioning angle rods (531) is the width of the steel mould frame (S); the positioning end (5 a) is the tail end of the positioning angle rod (531), and when the tail ends of the four positioning angle rods (531) are in contact with four corners of the steel mould frame (S), the hollow jacket (311) is aligned with the steel mould shaft (S01) of the steel mould frame (S);
the positioning driving device (51) is a motor, the positioning transmission device (52) comprises a positioning screw rod (521) and a positioning thread sleeve (522) matched with the positioning screw rod, the positioning thread sleeve (522) is connected with one end opposite to a positioning end (5 a) of a positioning angle rod (531), one end opposite to the positioning end (5 a) of the positioning angle rod (531) is hinged with the turnover mould main hanging beam (1), and the positioning thread sleeve (522) pushes the positioning angle rod (531) to swing around a hinging point under the driving of the positioning driving device (51) and the positioning transmission device (52);
the inner surface of the positioning end (5 a) is provided with an inclined surface, and the inclined surface can play a guiding role on the positioning angle rod (531) when contacting with the outer edge of the steel mould frame (S).
2. The concrete steel form turning device as claimed in claim 1, wherein: the pushing device (3) comprises a telescopic driving device (31) and a telescopic transmission device (32), and the telescopic transmission device (32) is connected with the rotary telescopic shaft (3 a) and drives the hollow jacket (311) to stretch towards the inside of the gantry suspension structure;
the mold turning device (4) comprises a mold turning driving device (41) and a mold turning driving device (42), and the mold turning driving device (42) is connected with the rotary telescopic shaft (3 a) to drive the hollow jacket (311) to rotate around the rotary telescopic shaft (3 a).
3. The concrete steel form turning device as claimed in claim 2, wherein: the rotary telescopic shaft (3 a) comprises a shaft sleeve (312) and a sliding sleeve (313), the shaft sleeve (312) is of an inner square hollow and outer circumference structure, and the sliding sleeve (313) is of a square cylinder which penetrates through the inner square hollow of the shaft sleeve (312) and is in small clearance fit with the square cylinder; the outer circumference of the shaft sleeve (312) is connected with the turnover bearing seat (314) in a matched manner, so that the sliding sleeve (313) is driven to rotate, and the telescopic transmission device (32) is connected with the sliding sleeve (313) and drives the sliding sleeve (313) to stretch out and draw back along the inner square hollow of the shaft sleeve (312).
4. A concrete steel form turning device as claimed in claim 3, wherein: the telescopic driving device (31) and the turnover driving device (41) are motors, the telescopic transmission device (32) is a pushing screw rod (321), and one end of the pushing screw rod (321) is connected with the sliding sleeve (313); the turnover die transmission device (42) comprises a chain (421), a driving sprocket (423) and a driven sprocket (422), wherein the driven sprocket (422) is connected with the outer circumference of the shaft sleeve (312) to drive the turnover die transmission device to rotate in the turnover bearing seat (314).
5. The concrete steel form turning device as claimed in claim 4, wherein: the driving chain wheel (423) is fixed on the mold-turning clamping arm (2), a position sensing point (E) is arranged on the chain (421), and four position sensors (A, B, C and D) are fixed on the mold-turning clamping arm (2); when the position sensing point E moves along with the chain (421) and approaches the position sensor A, the two hollow jackets (311) are positioned at the horizontal 0-degree position, and when the position sensing point E approaches the position sensor D, the two hollow jackets (311) are positioned at the horizontal 180-degree position; when the position sensing point E moves between the position sensors (B, C) along with the chain (421), the rotation speed of the driving sprocket (423) is larger than the rotation speed of the position sensing point E when the position sensors (A, B) and the position sensors (C, D) move along with the chain (421).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210607263.3A CN115107157B (en) | 2022-05-31 | 2022-05-31 | Concrete steel mould turnover device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210607263.3A CN115107157B (en) | 2022-05-31 | 2022-05-31 | Concrete steel mould turnover device |
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| CN115107157A CN115107157A (en) | 2022-09-27 |
| CN115107157B true CN115107157B (en) | 2023-10-10 |
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| CN202210607263.3A Active CN115107157B (en) | 2022-05-31 | 2022-05-31 | Concrete steel mould turnover device |
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| CN211971500U (en) * | 2020-03-21 | 2020-11-20 | 北京港创瑞博混凝土有限公司 | Turnover lifting appliance |
| CN216190345U (en) * | 2021-11-17 | 2022-04-05 | 西宁城市建筑科技有限责任公司 | Pavement brick mould hanger for forklift |
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| CN210758410U (en) * | 2019-08-26 | 2020-06-16 | 山东三英建筑科技有限公司 | Angle control device of tilter of precast concrete component production line |
| CN211971500U (en) * | 2020-03-21 | 2020-11-20 | 北京港创瑞博混凝土有限公司 | Turnover lifting appliance |
| CN216190345U (en) * | 2021-11-17 | 2022-04-05 | 西宁城市建筑科技有限责任公司 | Pavement brick mould hanger for forklift |
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| CN115107157A (en) | 2022-09-27 |
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