CN217777263U

CN217777263U - Damping mechanism of hydraulic demoulding device for precast beam

Info

Publication number: CN217777263U
Application number: CN202221398460.0U
Authority: CN
Inventors: 樊龙; 郭生辉; 高华
Original assignee: Fujian Zhurong Construction Machinery Co ltd
Current assignee: Fujian Zhurong Construction Machinery Co ltd
Priority date: 2022-06-07
Filing date: 2022-06-07
Publication date: 2022-11-11
Anticipated expiration: 2032-06-07

Abstract

The utility model provides a damping mechanism of a hydraulic demoulding device for a precast beam, which relates to the technical field of the manufacturing of a building precast beam; the method comprises the following steps: the head end of the square-mouth pipe is provided with two horizontal holes and vertical holes which are communicated with each other, and the tail end of the square-mouth pipe is fixedly connected with the connecting plate; the cross shaft is sleeved in the vertical holes, the upper convex part and the lower convex part of the cross shaft sleeve are respectively arranged in the two vertical holes, and the left convex part and the right convex part of the cross shaft sleeve are respectively arranged in the two horizontal holes; the connecting rod is connected with a central hole of the cross shaft sleeve in a sliding manner, the upper end of the connecting rod is fixedly connected with the upper baffle, the middle end of the connecting rod is fixedly connected with the lower baffle, and the lower end of the connecting rod is fixedly connected with the connecting block; the compression spring is sleeved on the connecting rod. The utility model has the advantages that: the utility model is used for install between side form subassembly and slide, alleviate the vibration damage that the side form subassembly produced when removing effectively, improve working life, help improving the manufacturing efficiency of precast beam.

Description

Damping mechanism of hydraulic demoulding device for precast beam

Technical Field

The utility model relates to a building precast beam makes technical field, specifically relates to a hydraulic pressure shedder's damping mechanism for precast beam.

Background

The precast beam is prefabricated in a factory and then is transported to a construction site to be installed and fixed according to the position required by the design. The precast beam structure comprises a T beam and a box beam, the precast beam is manufactured by enclosing a model space of the precast beam in a pouring area through a bottom die assembly, a side die assembly and an end die assembly, then pouring concrete into the model space, manually removing the side die assembly and the end die assembly after the concrete is solidified, and hoisting and transporting the precast beam to a storage area through a crane. When a precast beam is manufactured, a side die assembly is connected with a sliding seat, the side die assembly moves along with the movement of the sliding seat, the side die assembly vibrates in the moving process, the damage to a connecting piece between the side die assembly and the sliding seat is easily caused, the service life is shortened, and the manufacturing efficiency of the precast beam is low.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in providing a hydraulic pressure shedder's for precast beam damping mechanism for precast beam can alleviate the vibration damage that the side form subassembly produced at the removal in-process, improves working life.

The utility model discloses a realize like this: a damping mechanism of a hydraulic demoulding device for precast beams comprises:

the connecting rod, the connecting plate, the square-mouth tube, the cross shaft sleeve, the compression spring, the upper baffle, the lower baffle and the connecting block;

the head end of the square-mouth pipe is provided with two horizontal holes and vertical holes which are communicated with each other, and the tail end of the square-mouth pipe is fixedly connected with the connecting plate;

the cross shaft is sleeved in the vertical holes, the upper convex part and the lower convex part of the cross shaft sleeve are respectively arranged in the two vertical holes, and the left convex part and the right convex part of the cross shaft sleeve are respectively arranged in the two horizontal holes;

the connecting rod is connected with a central hole of the cross shaft sleeve in a sliding manner, the upper end of the connecting rod is fixedly connected with the upper baffle, the middle end of the connecting rod is fixedly connected with the lower baffle, and the lower end of the connecting rod is fixedly connected with the connecting block;

compression spring cup joint in the connecting rod, compression spring's upper end supports the downside of square mouth pipe, compression spring's lower extreme supports baffle down, the overhead gage supports the last side of square mouth pipe.

Furthermore, the connecting rod is a screw rod, the vibration damping mechanism further comprises an upper locking nut and a lower locking nut, the upper baffle plate is provided with a first through hole, the lower baffle plate is provided with a second through hole, the screw rod is slidably connected with the first through hole and the second through hole, the upper locking nut is rotatably connected with the upper end of the screw rod and presses the upper baffle plate, and the lower locking nut is rotatably connected with the middle end of the screw rod and presses the lower baffle plate.

Further, the vibration reduction mechanism further comprises a reinforcing plate, and the reinforcing plate is fixedly arranged at a right angle between the square tube and the connecting plate.

Further, still include side form subassembly and slide, the connecting plate with side form subassembly fixed connection, the slide has first supporting part and second supporting part, the connecting block with first supporting part is articulated, the second supporting part with side form subassembly is articulated.

The utility model has the advantages that: 1. the utility model is used for install between side form subassembly and slide, alleviate the vibration damage that the side form subassembly produced when removing effectively, improve working life, help improving the manufacturing efficiency of precast beam. 2. The square-mouth pipe is of a hollow structure, so that the material consumption is reduced, the cost is reduced, the contact area between the cross shaft sleeve and the connecting rod is increased, and the square-mouth pipe is prevented from being damaged by stress concentration of the connecting rod in the vibration reduction process.

Drawings

The invention will be further described with reference to the following examples with reference to the accompanying drawings.

Fig. 1 is a schematic position diagram of the damping mechanism in the hydraulic demoulding device for precast beams.

Fig. 2 is a schematic structural view of the vibration damping mechanism of the present invention.

Fig. 3 is a schematic view of the connection between the cross-shaped shaft sleeve, the square-mouth tube and the connecting plate of the present invention.

Fig. 4 is a top view of fig. 3.

Fig. 5 is a schematic view of the cross bush when the square tube is viewed from the right in fig. 3.

Fig. 6 is an internal schematic view of the cross sleeve of fig. 5.

Fig. 7 is an external schematic view of the cross axle sleeve of the present invention.

Fig. 8 is a schematic view of the connection between the middle connecting rod and the connecting block according to the present invention.

Fig. 9 is a top view of fig. 8.

Fig. 10 is a schematic view of the positions of the first supporting portion and the second supporting portion on the slide seat according to the present invention.

Fig. 11 is a schematic structural diagram of the middle positioning mechanism of the present invention.

Fig. 12 is the connection schematic diagram of the middle hinged shaft, the second supporting part, the positioning connecting block and the limiting plate of the present invention.

Fig. 13 is a schematic structural view of the middle hinge shaft of the present invention.

Fig. 14 is a connection schematic diagram of the middle limiting plate and the side mold assembly of the present invention.

Fig. 15 is a left side schematic view of the side die assembly of fig. 1.

Fig. 16 is a schematic diagram of the position of the concrete platform and the supporting steel plate according to the present invention.

Fig. 17 is a schematic view of the middle die assembly and the bottom die assembly of the present invention for manufacturing the precast beam.

Fig. 18 is a schematic view of the middle die assembly of the present invention separated from the precast beam.

Reference numerals: a base 1; a slide base 2; a first support portion 21; a second support portion 22; a hydraulic cylinder 3; a side mold assembly 4;

a vibration damping mechanism 5; a link 51; a connecting plate 52; a square-mouth tube 53; a reinforcing plate 531; a cross bush 54; an upper projection 541; the lower convex portion 542; a left convex portion 543; a right protrusion 544; a central aperture 545; a compression spring 55; an upper baffle 56; a lower baffle 57; a connecting block 58; an upper lock nut 59; a lower lock nut 510;

a position adjusting mechanism 6; a positioning connecting rod 61; a positioning connecting plate 62; a square opening adjusting pipe 63; a positioning connecting block 64; a position limiting plate 65; a stopper hole 651; a hinge shaft 66; an insertion hole 661; the upper locking nut 67 is adjusted; the lower lock nut 68 is adjusted; a step-up plate 69;

a concrete platform 7; a support steel plate 71; a support plane 711; a hook 712;

a bottom die assembly 8; the beam 9 is prefabricated.

Detailed Description

The embodiment of the utility model provides a through providing a hydraulic pressure shedder's damping mechanism for precast beam, solved among the prior art vibration that the side form subassembly produced when removing and aroused the shortcoming of damage, realized can slow down the vibration damage that the side form subassembly produced at the removal in-process, improve working life's technological effect.

The embodiment of the utility model provides an in technical scheme for solving above-mentioned shortcoming, the general thinking is as follows: the utility model is used for install between side form subassembly and slide, alleviate the vibration damage that the side form subassembly produced when removing effectively, improve working life, help improving the manufacturing efficiency of precast beam. The square-mouth pipe is of a hollow structure, so that the material consumption is reduced, the cost is reduced, the contact area between the cross shaft sleeve and the connecting rod is increased, and the square-mouth pipe is prevented from being damaged by the stress concentration of the connecting rod in the vibration reduction process.

For better understanding of the above technical solutions, the following detailed descriptions will be provided in conjunction with the drawings and the detailed description of the embodiments.

Referring to fig. 1 to 18, a preferred embodiment of the present invention.

A vibration damping mechanism 5 of a hydraulic demolding device for a precast beam comprises: the device comprises a connecting rod 51, a connecting plate 52, a square-mouth tube 53, a cross shaft sleeve 54, a compression spring 55, an upper baffle 56, a lower baffle 57 and a connecting block 58; the head end of the square pipe 53 is provided with two horizontal holes and vertical holes which are communicated with each other, and the tail end of the square pipe 53 is fixedly connected with the connecting plate 52; the cross shaft sleeve 54 is arranged in the vertical holes, the upper convex portion 541 and the lower convex portion 542 of the cross shaft sleeve 54 are respectively arranged in the two vertical holes, and the left convex portion 543 and the right convex portion 544 of the cross shaft sleeve 54 are respectively arranged in the two horizontal holes; the square tube 53 is a hollow structure, and aims to reduce material consumption and cost; the cross bush 54 is restricted from rotating in the square tube 53, and the cross bush 54 increases the contact area with the connecting rod 51, thereby preventing stress concentration of the connecting rod 51 from damaging the square tube 53 in the vibration damping process.

The connecting rod 51 is slidably connected with a central hole 545 of the cross shaft sleeve 54, the upper end of the connecting rod 51 is fixedly connected with the upper baffle plate 56, the middle end of the connecting rod 51 is fixedly connected with the lower baffle plate 57, and the lower end of the connecting rod 51 is fixedly connected with the connecting block 58; the compression spring 55 is sleeved on the connecting rod 51, the upper end of the compression spring 55 is abutted against the lower side surface of the square opening pipe 53, the lower end of the compression spring 55 is abutted against the lower baffle 57, and the upper baffle 56 is abutted against the upper side surface of the square opening pipe 53. The compression spring 55 is used to dampen vibrations.

Still include side form subassembly 4 and slide 2, connecting plate 52 with side form subassembly 4 fixed connection, slide 2 has first supporting part 21 and second supporting part 22, connecting block 58 with first supporting part 21 is articulated, second supporting part 22 with side form subassembly 4 is articulated. The vibration generated by the reciprocating movement of the side die assembly 4 is transmitted to the square-mouth tube 53, and the square-mouth tube 53 enables the compression spring 55 to be changed between a compression state and a reset state, so that the vibration is reduced, and the damage is reduced.

The connecting rod 51 is a screw rod, the vibration damping mechanism 5 further comprises an upper locking nut 59 and a lower locking nut 510, a first through hole is formed in the upper baffle 56, a second through hole is formed in the lower baffle 57, the screw rod is connected with the first through hole and the second through hole in a sliding mode, the upper locking nut 59 is connected with the upper end of the screw rod in a screwing mode and presses the upper baffle 56, and the lower locking nut 510 is connected with the middle end of the screw rod in a screwing mode and presses the lower baffle 57. Make things convenient for staff's dismouting damping mechanism 5.

The damping mechanism 5 further includes a reinforcing plate 531, and the reinforcing plate 531 is fixedly disposed at a right angle between the square tube 53 and the connecting plate 52. The service life of the square tube 53 is improved.

In this embodiment, the hydraulic demolding device for the precast beam comprises a base 1, a hydraulic cylinder 3, a positioning mechanism 6, a concrete platform 7 and a supporting steel plate 71, in addition to the vibration reduction mechanism 5, the side mold assembly 4 and the sliding base 2; slide 2 with the side sliding connection that goes up of base 1, the cylinder body of pneumatic cylinder 3 with base 1 is articulated, the telescopic link of pneumatic cylinder 3 with side form subassembly 4 is articulated, and side form subassembly 4 and slide 2 round trip movement are being controlled to the telescopic link of pneumatic cylinder 3, make side form subassembly 4 be close to or keep away from precast beam 9 pour the position, realize that side form subassembly 4's automation is built and the drawing of patterns.

When the telescopic rod of the hydraulic cylinder 3 extends, the side die assembly 4 is pushed, so that the side die assembly 4 and the sliding seat 2 move towards the bottom die assembly 8; when the telescopic rod of the hydraulic cylinder 3 is shortened, the side die assembly 4 is separated from the precast beam 9 for demoulding movement, vibration generated by the movement of the side die assembly 4 is transmitted to the square-mouth tube 53, the square-mouth tube 53 enables the compression spring 55 to be changed between a compression state and a reset state, the damage caused by vibration is reduced, and the service life of the hydraulic demoulding device is prolonged.

The positioning mechanism 6 comprises a positioning connecting rod 61, a positioning connecting plate 62, a positioning square-mouth pipe 63, a positioning connecting block 64, a locking component, a limiting plate 65 and a hinge shaft 66; the position adjusting mechanism 6 is arranged between the side die assembly 4 and the second supporting part 22; the position adjusting mechanism 6 finely adjusts the position of the side die assembly 4, so that the pouring position of the side die assembly 4 on the precast beam 9 is more accurate.

The head end of the position-adjusting square-mouth pipe 63 is provided with two vertical holes, the tail end of the position-adjusting square-mouth pipe 63 is fixedly connected with the position-adjusting connecting plate 62, and the position-adjusting connecting plate 62 is fixedly connected with the side die assembly 4; a limiting hole 651 is formed in the head end of the limiting plate 65, and the tail end of the limiting plate 65 is fixedly connected with the side mold assembly 4; the positioning connecting rod 61 penetrates through the two vertical holes, and the lower end of the positioning connecting rod 61 is fixedly connected with the positioning connecting block 64; the positioning connecting block 64 is provided with a first hinge hole, the second supporting part 22 is provided with a second hinge hole, and the hinge shaft 66 penetrates through the first hinge hole, the second hinge hole and the limiting hole 651; the locking assembly can lock the position of the positioning connecting rod 61 on the positioning square tube 63. The hinge shaft 66 has a receptacle 661, and a latch (not shown) is inserted into the receptacle 661 to prevent the hinge shaft 66 from being removed from the hinge position. During actual construction, after the side die assemblies 4 are close to the pouring positions of the precast beams 9, the positions of the side die assemblies 4 are slightly deviated, and at the moment, the positions of the position adjusting connecting rods 61 on the position adjusting square opening pipes 63 are changed through the locking assemblies, so that the positions of the position adjusting connecting plates 62 with the side die assemblies 4 are finely adjusted upwards or downwards, the positions of the side die assemblies 4 are more accurate, and the manufacturing quality of the precast beams 9 is improved. When the side die assembly 4 is finely adjusted upwards or downwards relative to the sliding seat 2, the position of the hinge shaft 66 in the limiting hole 651 correspondingly changes, so that the side die assembly is convenient for workers to observe and confirm. When the positioning mechanism 6 is finely adjusted, the damping mechanism 5 and the hydraulic cylinder 3 can be adjusted to match the fine adjustment of the positioning mechanism 6 according to actual working conditions.

The positioning connecting rod 61 is a positioning screw rod, the locking assembly comprises a positioning upper locking nut 67 and a positioning lower locking nut 68, the positioning upper locking nut 67 and the positioning upper end of the positioning screw rod are screwed and connected and pressed to the upper side face of the positioning square opening pipe 63, the positioning lower locking nut 68 and the positioning middle end of the positioning screw rod are screwed and connected and pressed to the lower side face of the positioning square opening pipe 63. The position of the positioning connecting rod 61 on the positioning square opening pipe 63 is changed by changing the positions of the positioning upper locking nut 67 and the positioning lower locking nut 68 on the positioning screw rod.

The supporting steel plate 71 is buried in the concrete platform 7, the upper part of the supporting steel plate 71 is provided with a supporting plane 711, the lower part of the supporting steel plate 71 is provided with a hook 712, and the lower side surface of the base 1 is welded with the supporting plane 711. The hook 712 of the supporting steel plate 71 firmly locks the concrete platform 7, thereby effectively preventing the supporting steel plate 71 from being separated from the concrete platform 7, keeping the position of the base 1 stable, and contributing to improving the manufacturing efficiency of the precast beam 9. In the present embodiment, the bending angle of the hook 712 is 110 ° ± 1 °.

The positioning mechanism 6 further comprises a raised plate 69, and the raised plate 69 is fixedly disposed between the base 1 and the supporting plane 711. The step-up plate 69 is an i-steel. The step-up plates 69 of different heights are selected to adjust the base 1 to different height positions. At the construction site, the concrete platform 7 may deviate from the pre-designed specification due to terrain restrictions, and therefore the base 1 may be too short, at which point the height of the side mould assemblies 4 may not meet the requirements for the manufacture of the precast beam 9. A step-up plate 69 is provided to adjust the base 1 to a predetermined height.

In this embodiment, the operation of the hydraulic demolding device for a precast beam is as follows: (1) The concrete platform 7 is poured, the supporting steel plate 71 is embedded, the base 1 is fixed on the supporting steel plate 71, the bottom die assembly 8 is further fixedly arranged on the concrete platform 7, and the hydraulic demolding device is provided with two left sides and two right sides which are respectively located on the bottom die assembly 8. According to the structure of the precast beam 9, the specification and the weight of the side die assembly 4 are far larger than those of an end die assembly (not shown), so that the hydraulic cylinder 3 is adopted to move the side die assembly 4, the labor intensity of workers is greatly reduced, and the manufacturing efficiency of the precast beam 9 is improved; and the end die assembly adopts the existing manual construction mode. (2) The hydraulic cylinder 3 of the hydraulic demoulding device controls the sliding seat 2 to move, and the side die assemblies 4 on two sides are close to the bottom die assembly 8 and reach the pouring position of the precast beam 9. The vibration damping mechanism 5 damps vibration damage generated when the side mold assembly moves. The end mould assemblies are then manually installed by personnel at the front and rear ends of the side mould assemblies 4. The side die assembly 4, the end die assembly and the bottom die assembly 8 enclose a model space of the precast beam 9, and the side die assembly 4, the end die assembly and the bottom die assembly 8 are coated with a release agent in advance. (3) Pouring concrete into the model space, dismantling the end mould assembly after the concrete is solidified, enabling the side mould assembly 4 to be separated from the precast beam 9 by the hydraulic cylinder 3 of the hydraulic demoulding device, and absorbing and reducing vibration generated in the moving process of the side mould assembly 4 by the vibration reduction mechanism 5; the precast beam 9 is completed.

Although specific embodiments of the present invention have been described, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the claims appended hereto.

Claims

1. The utility model provides a damping mechanism of hydraulic pressure shedder for precast beam which characterized in that includes:

compression spring cup joint in the connecting rod, compression spring's upper end supports the downside of square-mouth pipe, compression spring's lower extreme supports baffle down, the overhead gage supports the last side of square-mouth pipe.

2. The damping mechanism of a hydraulic demolding device for a precast beam as claimed in claim 1, wherein the connecting rod is a screw, the damping mechanism further comprises an upper lock nut and a lower lock nut, the upper baffle is provided with a first through hole, the lower baffle is provided with a second through hole, the screw is slidably connected with the first through hole and the second through hole, the upper lock nut is rotatably connected with the upper end of the screw and presses the upper baffle, and the lower lock nut is rotatably connected with the middle end of the screw and presses the lower baffle.

3. The damping mechanism of a hydraulic demoulding device for precast beams according to claim 1, characterized in that the damping mechanism further comprises a reinforcing plate fixedly arranged at a right angle between the square tube and the connecting plate.

4. The damping mechanism of a hydraulic demoulding device for precast beams according to claim 1, characterized in that, still include side form subassembly and slide, the connecting plate with side form subassembly fixed connection, the slide has first supporting part and second supporting part, the connecting block with first supporting part is articulated, the second supporting part with side form subassembly is articulated.