Vacuum chuck device for centrifugal square pile or circular pile

Abstract

The invention relates to a vacuum suction cup device for a centrifugal square pile or a circular pile. The vacuum suction cup device comprises a hanging beam, a stand column, a connecting base, a vacuum suction cup assembly, an adjusting base, an adjusting cam and a pressing plate base. Wherein the two stand columns are vertically mounted on the hanging beam, and the number of the stand columns is two; the connecting base is installed at the bottoms of the two stand columns through pin shafts and is horizontally arranged. The vacuum suction cup assembly is pivoted to the connecting base and can adsorb a square pile or a round pile. The adjusting seat is fixed at the bottom of the connecting base, and an adjusting plate is mounted on the adjusting seat; the adjusting cam is pivoted on the adjusting plate; the pressing plate base is installed on the vacuum suction cup assembly, the adjusting cam abuts against the pressing plate base, and the pressing plate base and the vacuum suction cup assembly are driven to rotate through rotation of the adjusting cam. The vacuum chuck device for the centrifugal square pile or circular pile has the advantages of being convenient to adjust, low in use cost, capable of being used for hoisting pipe piles of various specifications and the like.

Description

Technical Field

[0001] This invention relates to the components of a pipe pile crane, specifically to a vacuum suction cup device for centrifugal square or round piles, belonging to the field of crane technology. Background Technology

[0002] Concrete pipe piles are commonly used building components in the construction industry. In civil buildings, foundation reinforcement with piles is usually required for buildings with more than 5 stories; while large industrial buildings require a large number of pipe piles for their foundations. Depending on the application, concrete pipe piles mainly include round piles with diameters of 700mm, 800mm, 1000mm, 1200mm, and 1400mm, as well as square piles with cross-sectional side lengths of 600mm and 900mm.

[0003] As is well known, concrete pipe piles often require hoisting during production and use, thus giving rise to pipe pile cranes. The applicant's earlier invention patent application, People's Republic of China No. 201510156273.X, disclosed a pipe pile vacuum suction cup crane, which uses a vacuum suction cup to adsorb cylindrical piles. However, the vacuum suction cup's position is fixed, and it can only adsorb cylindrical piles within a certain direct range. For square piles or some cylindrical piles with smaller or larger diameters, this vacuum suction cup cannot be used, requiring the replacement with another set of vacuum suction cups. This not only involves time and labor costs for replacement but also increases the operating cost of the equipment, exhibiting certain limitations.

[0004] Therefore, in order to solve the above-mentioned technical problems, it is indeed necessary to provide an innovative vacuum suction cup device for centrifugal square or round piles to overcome the defects in the prior art. Summary of the Invention

[0005] To address the aforementioned problems, the present invention aims to provide a vacuum suction cup device for centrifugal square or round piles that is easy to adjust, has low operating costs, and can be used for lifting various specifications of pipe piles.

[0006] To achieve the above objectives, the technical solution adopted by the present invention is as follows: a vacuum suction cup device for centrifugal square or round piles, comprising a lifting beam, columns, a connecting base, a vacuum suction cup assembly, an adjusting seat, an adjusting cam, and a pressure plate seat; wherein, two columns are vertically installed on the lifting beam; the connecting base is installed at the bottom of the two columns by pins and is horizontally arranged; the vacuum suction cup assembly is pivotally connected to the connecting base and can adsorb square or round piles; the adjusting seat is fixed to the bottom of the connecting base and an adjusting plate is installed thereon; the adjusting cam is pivotally connected to the adjusting plate; the pressure plate seat is installed on the vacuum suction cup assembly, and the adjusting cam abuts against the pressure plate seat, and the rotation of the adjusting cam drives the pressure plate seat and the vacuum suction cup assembly to rotate.

[0007] The vacuum suction cup device for centrifugal square or round piles of the present invention is further configured as follows: the vacuum suction cup assembly includes a lower swing seat, an upper clamping plate, a rubber suction cup, a lower clamping plate, and a connecting bolt; wherein, the lower swing seat is pivotally connected to the connecting base and can rotate; the rubber suction cup is clamped between the upper clamping plate and the lower clamping plate; the connecting bolt passes through the lower swing seat, the upper clamping plate, and the rubber suction cup in sequence, and is connected to the lower clamping plate.

[0008] The vacuum suction cup device for centrifugal square or round piles of the present invention is further configured as follows: the adjusting plate includes a pair of adjusting arms arranged in a figure-eight shape, and a pair of clamping plates are installed on each adjusting arm; the adjusting cam is located between the pair of clamping plates, and the distance between the pair of clamping plates is greater than the thickness of the adjusting cam.

[0009] The vacuum suction cup device for centrifugal square or round piles of the present invention is further configured such that: an adjustment handle is provided on the adjustment cam, and the adjustment cam is driven to rotate by the adjustment handle.

[0010] The vacuum suction cup device for centrifugal square or round piles of the present invention is further configured such that: a connecting bolt passes through the upper part of the pressure plate seat, the connecting bolt passes through the upper clamping plate and the rubber suction cup, and is connected to the lower clamping plate; the lower part of the pressure plate seat is detached from the rubber suction cup.

[0011] The vacuum suction cup device for centrifugal square or round piles of the present invention is further configured such that: a vacuum suction cup mounting arm is respectively installed at both ends of the connecting base, and the pressure plate seat is located in the middle of the two vacuum suction cup mounting arms.

[0012] The vacuum suction cup device for centrifugal square or round piles of the present invention is further configured such that: the vacuum suction cup mounting arm has an eight-shaped structure; the vacuum suction cup assembly is pivotally connected to the vacuum suction cup mounting arm through a connecting plate, and two sets of vacuum suction cup assemblies are installed on each vacuum suction cup mounting arm.

[0013] The vacuum suction cup device for centrifugal square or round piles of the present invention is further configured as follows: each rubber suction cup has two sets of lower swing seats in pairs; each set of lower swing seats clamps the connecting plate; one set of lower swing seats is pivotally connected to the connecting plate, and the other set of lower swing seats has an elongated hole; a pin is fixed on the connecting plate, the pin is received in the elongated hole, and can move along the elongated hole.

[0014] The vacuum suction cup device for centrifugal square or round piles of the present invention is further configured such that: the lifting beam is a sealed lifting beam that can be drawn into negative pressure; a control valve is installed on the lifting beam, and the control valve and the rubber suction cup are connected by an air pipe.

[0015] The vacuum suction cup device for centrifugal square or round piles of the present invention is further configured as follows: a guide sleeve is welded on the lifting beam, and the column passes vertically through the guide sleeve; shock-absorbing springs are respectively provided at the upper and lower ends of the guide sleeve; a spring pressure cap is installed on the column, and the spring pressure cap and the shock-absorbing spring abut against each other.

[0016] Compared with the prior art, the present invention has the following beneficial effects: 1. The vacuum suction cup device for centrifugal square or round piles of the present invention adjusts the angle of the rubber suction cup by adjusting the rotation of the cam, thereby making the vacuum suction cup device easy to adjust and suitable for adsorption of pipe piles and square piles of different diameters, thus reducing the production cost of pipe piles.

[0017] 2. The vacuum suction cup device for centrifugal square or round piles of the present invention facilitates the installation of the lower swing seat by designing the lower swing seat as a set of two pieces and the connecting plate as a single piece, thereby eliminating deviations that occur during the installation process.

[0018] 3. The vacuum suction cup device for centrifugal square or round piles of the present invention provides an elongated hole on the lower swing seat and separates the rubber suction cup from the pressure plate seat, thereby allowing the rubber suction cup to move within a certain range, facilitating a tight fit between the rubber suction cup and the centrifugal pipe pile, and improving the adsorption force of the vacuum suction cup device.

[0019] 4. The vacuum suction cup device for centrifugal square or round piles of the present invention draws the lifting beam into negative pressure and can be used by multiple sets of vacuum suction cup assemblies at the same time, which simplifies the device structure, reduces costs, and makes maintenance convenient. Attached Figure Description

[0020] Figure 1 This is a front view of the vacuum suction cup device for centrifugal square or round piles according to the present invention.

[0021] Figure 2 yes Figure 1 Side view.

[0022] Figure 3 yes Figure 2 A schematic diagram of the vacuum suction cup assembly adsorbing a large-diameter circular pile.

[0023] Figure 4 yes Figure 2 The diagram shows the state of the adjusting cam when the vacuum suction cup assembly in the middle is adsorbing a large-diameter round pile.

[0024] Figure 5 yes Figure 2 A schematic diagram of the vacuum suction cup assembly adsorbing a small-diameter cylindrical pile.

[0025] Figure 6 yes Figure 2 The diagram shows the state of the adjusting cam when the vacuum suction cup assembly in the image is adsorbing a small-diameter cylindrical stake.

[0026] Figure 7 yes Figure 2 A schematic diagram of the vacuum suction cup assembly adsorbing a square pile.

[0027] Figure 8yes Figure 2 The diagram shows the state of the vacuum suction cup assembly adjusting the cam when the square pile is in use.

[0028] Figure 9 yes Figure 4 Cross-sectional view along the middle AA. Detailed Implementation

[0029] Please refer to the instruction manual appendix. Figure 1 To be continued Figure 9 As shown, the present invention is a vacuum suction cup device for centrifugal square or round piles, which is used to adsorb centrifugal round piles 10 or centrifugal square piles 10'. It is assembled from several parts, including a lifting beam 1, a column 2, a connecting base 3, a vacuum suction cup assembly 4, an adjusting seat 5, an adjusting cam 6, and a pressure plate seat 7.

[0030] The lifting beam 1 is a sealed, hollow beam, allowing it to be evacuated and maintained under negative pressure. A control valve 11 is installed on the lifting beam 1, and the control valve 11 is connected to the vacuum suction cup assembly 4 via an air pipe 16. When the vacuum suction cup assembly 4 needs to adsorb the pipe pile 10 or 10', it simply needs to be pressed tightly against the pipe pile, and the control valve 11 opened. This utilizes the negative pressure to evacuate the air from the vacuum suction cup assembly 4, allowing it to firmly adhere to the pipe pile.

[0031] The columns 2 are vertically installed on the hanging beams 1, with two columns forming a group, and several groups are provided. One set of vacuum suction cup assembly 4 is installed on one set of columns 2, and multiple sets of vacuum suction cup assembly 4 can be installed on the same hanging beam 1, all using the negative pressure of the same hanging beam 1, which simplifies the structure of the whole device, reduces costs, and makes maintenance convenient.

[0032] Furthermore, a guide sleeve 12 is welded onto the lifting beam 1, and the column 2 passes vertically through the guide sleeve 12 and is constrained by the guide sleeve 12 to move in the vertical direction. Shock-absorbing springs 13 are respectively provided at the upper and lower ends of the guide sleeve 12; a spring cap 21 is installed on the column 2, and the spring cap 21 abuts against the shock-absorbing springs 13. The shock-absorbing springs 13 absorb the impact force between the vacuum suction cup assembly 4 and the pipe pile 10, making the entire device and even the crane less susceptible to damage; and the simultaneous provision of shock-absorbing springs 13 at both the upper and lower ends of the guide sleeve 12 provides a large buffering force and good continuity.

[0033] The connecting base 3 is mounted horizontally to the bottom of the two columns 2 via pins 31. When it is necessary to replace the connecting base 3 and the vacuum suction cup assembly 4, only the pins 3 need to be removed, facilitating replacement. A vacuum suction cup mounting arm 32 is mounted at each end of the connecting base 3. This vacuum suction cup mounting arm 32 has a V-shaped structure, allowing two sets of vacuum suction cup assemblies 4 to be mounted on each arm. An adjusting seat 5 is fixed in the middle of the connecting base 3.

[0034] The vacuum suction cup assembly 4 is pivotally connected to the connecting base 3, and it can adsorb centrifugal round piles 10 or centrifugal square piles 10'. In this embodiment, the vacuum suction cup assembly 4 is pivotally connected to the vacuum suction cup mounting arm 32 through a connecting plate 8, and it is assembled from several parts such as a lower swing seat 41, an upper clamping plate 42, a rubber suction cup 43, a lower clamping plate 44, and connecting bolts 45.

[0035] The lower swing seat 41 is pivotally connected to the connecting base 3 and can rotate. Specifically, each rubber suction cup 43 has two sets of lower swing seats 41 in pairs. Each set of lower swing seats 41 clamps the connecting plate 8. The lower swing seats 41 are designed as a set of two pieces, and the connecting plate 8 is designed as a single piece. The distance between a pair of lower swing seats 41 is greater than the thickness of the connecting plate 8 to facilitate the installation of the lower swing seats 41 and eliminate deviations that may occur during installation. Furthermore, one set of lower swing seats 41 is pivotally connected to the connecting plate 8, and the other set of lower swing seats 41 has an elongated hole 46. A pin 81 is fixed on the connecting plate 8. The pin 81 is received in the elongated hole 46 and can move along the elongated hole 46, so that the lower swing seats 41 can move within a certain range in conjunction with the rubber suction cup 43, which facilitates a tight fit between the rubber suction cup 43 and the centrifugal pipe pile 10.

[0036] The rubber suction cup 43 is clamped between the upper clamping plate 42 and the lower clamping plate 44. The connecting bolt 45 passes through the lower swing seat 41, the upper clamping plate 42 and the rubber suction cup 43 in sequence, and is connected to the lower clamping plate 44, thereby installing the rubber suction cup 43 on the lower swing seat 41.

[0037] The adjusting seat 5 is fixed to the bottom of the connecting base 3, and an adjusting plate 51 is installed on it. The adjusting plate 51 is located in the center of the connecting base 3, and includes a pair of adjusting arms 52 arranged in a V-shape. A pair of clamping plates 53 are installed on each adjusting arm 52. The adjusting cam 6 is located between the pair of clamping plates 53, and the distance between the pair of clamping plates 53 is greater than the thickness of the adjusting cam 6, thereby facilitating the installation of the adjusting cam 6.

[0038] The adjusting cam 6 is pivotally connected to the adjusting plate 51, specifically to a pair of clamping plates 53 of the adjusting plate 51. The adjusting cam 6 is characterized by having a different distance from its center of rotation to each side, and it is provided with an adjusting handle 61, which drives the adjusting cam 6 to rotate.

[0039] The pressure plate seat 7 is mounted on the upper clamping plate 42 of the vacuum suction cup assembly 4 and is located in the middle of the two vacuum suction cup mounting arms 32, so that the pressure plate seat 7 applies force evenly to the vacuum suction cup assemblies 4 on both sides. The adjusting cam 6 abuts against the pressure plate seat 7, and the rotation of the adjusting cam 6 drives the pressure plate seat 7, which in turn drives the vacuum suction cup assembly 4 to rotate, thereby adjusting the angle of the vacuum suction cup assembly 4.

[0040] Furthermore, the upper part of the pressure plate seat 7 is also provided with connecting bolts 45, which pass through the upper clamping plate 42 and the rubber suction cup 43 and are connected to the lower clamping plate 44; the lower part of the pressure plate seat 7 is not connected to the rubber suction cup 43 by connecting bolts 45, but is detached from each other, so that the rubber suction cup 43 can move within a certain range, which facilitates the tight fit between the rubber suction cup 43 and the centrifugal pipe pile 10.

[0041] The working principle of the vacuum suction cup device for centrifugal square or round piles of the present invention is as follows: 1) When the vacuum suction cup device adsorbs the centrifugal cylinder 10 with a larger diameter, adjust the position of the cam 6 as shown in the instruction manual. Figure 4 As shown, at this time, the included angle between the two sets of vacuum suction cup assemblies 4 is relatively large, so that the rubber suction cup 43 can tightly adhere to the centrifugal cylindrical pile 10 with a large diameter. Then, the negative pressure stored in the hanging beam 1 is used to suck away the air between the rubber suction cup 43 and the centrifugal cylindrical pile 10, so that the vacuum suction cup device can adsorb the centrifugal cylindrical pile 10.

[0042] 2) When the vacuum suction cup device adsorbs the centrifugal cylinder 10 with a smaller diameter, adjust the cam 6 as shown in the instruction manual. Figure 6 As shown, during the rotation of the adjusting cam 6, the adjusting cam 6 abuts against the pressure plate seat 7, thereby driving the pressure plate seat 7 to move. When the pressure plate seat 7 moves, it links the upper clamping plate 42 and the lower swing seat 41, causing the lower swing seat 41 and the connecting plate 8 to rotate, thereby adjusting the angle of the rubber suction cup 43 so that the rubber suction cup 43 can tightly adhere to the centrifugal cylindrical pile 10 with a smaller diameter.

[0043] 3) When the vacuum suction cup device adsorbs the centrifugal square pile 10', adjust cam 6 to the position specified in the instruction manual. Figure 8 The adjustment process is as described in step 2) above, with the position shown. After adjustment, the included angle between the two rubber suction cups 43 is 90°, so that the rubber suction cups 43 can fit tightly against the two sides of the centrifugal square pile 10'.

[0044] In summary, the vacuum suction cup device for centrifugal square or round piles of the present invention adjusts the angle of the two rubber suction cups 43 by adjusting the rotation of the cam 6, thereby making the vacuum suction cup device easy to adjust and suitable for adsorption of centrifugal round piles 10 and centrifugal square piles 10' of different diameters.

[0045] The above-described specific embodiments are merely preferred embodiments of this invention and are not intended to limit this invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this invention should be included within the protection scope of this invention.

Claims

1. A vacuum suction cup device for centrifugal square or round piles, characterized in that: The system includes a lifting beam, columns, a connecting base, a vacuum suction cup assembly, an adjusting seat, an adjusting cam, and a pressure plate seat. Two columns are vertically mounted on the lifting beam. The connecting base is horizontally mounted to the bottom of the two columns via pins. The vacuum suction cup assembly is pivotally connected to the connecting base and can adsorb square or round piles. The adjusting seat is fixed to the bottom of the connecting base and has an adjusting plate mounted on it. The adjusting cam is pivotally connected to the adjusting plate. The pressure plate seat is mounted on the vacuum suction cup assembly, and the adjusting cam abuts against the pressure plate seat, driving the pressure plate seat and vacuum suction cup assembly to rotate via the rotation of the adjusting cam.

2. The vacuum suction cup device for centrifugal square or round piles as described in claim 1, characterized in that: The vacuum suction cup assembly includes a lower swing base, an upper clamping plate, a rubber suction cup, a lower clamping plate, and connecting bolts; wherein, the lower swing base is pivotally connected to the connecting base and can rotate; the rubber suction cup is clamped between the upper clamping plate and the lower clamping plate; the connecting bolts pass through the lower swing base, the upper clamping plate, and the rubber suction cup in sequence, and are connected to the lower clamping plate.

3. The vacuum suction cup device for centrifugal square or round piles as described in claim 1, characterized in that: The adjusting plate includes a pair of adjusting arms arranged in a figure-eight shape, and each adjusting arm is equipped with a pair of clamping plates; the adjusting cam is located between the pair of clamping plates, and the distance between the pair of clamping plates is greater than the thickness of the adjusting cam.

4. The vacuum suction cup device for centrifugal square or round piles as described in claim 1, characterized in that: The adjusting cam is equipped with an adjusting handle, which drives the adjusting cam to rotate.

5. The vacuum suction cup device for centrifugal square or round piles as described in claim 2, characterized in that: The upper part of the pressure plate seat is provided with connecting bolts, which pass through the upper clamping plate and the rubber suction cup and are connected to the lower clamping plate; the lower part of the pressure plate seat is detached from the rubber suction cup.

6. The vacuum suction cup device for centrifugal square or round piles as described in claim 2, characterized in that: A vacuum suction cup mounting arm is installed at each end of the connecting base, and the pressure plate seat is located in the middle of the two vacuum suction cup mounting arms.

7. The vacuum suction cup device for centrifugal square or round piles as described in claim 6, characterized in that: The vacuum suction cup mounting arm has a figure-eight structure; the vacuum suction cup assembly is pivotally connected to the vacuum suction cup mounting arm via a connecting plate, and two sets of vacuum suction cup assemblies are installed on each vacuum suction cup mounting arm.

8. The vacuum suction cup device for centrifugal square or round piles as described in claim 7, characterized in that: Each rubber suction cup has two sets of lower swing seats; each set of lower swing seats clamps the connecting plate; one set of lower swing seats is pivotally connected to the connecting plate, and the other set of lower swing seats has an elongated hole. A pin is fixed on the connecting plate, the pin is received in the elongated hole, and can move along the elongated hole.

9. The vacuum suction cup device for centrifugal square or round piles as described in claim 2, characterized in that: The lifting beam is a sealed lifting beam that can be drawn into negative pressure; a control valve is installed on the lifting beam, and the control valve and the rubber suction cup are connected by an air pipe.

10. The vacuum suction cup device for centrifugal square or round piles as described in claim 1, characterized in that: A guide sleeve is welded onto the lifting beam, and the column passes vertically through the guide sleeve; shock-absorbing springs are respectively provided at the upper and lower ends of the guide sleeve; a spring cap is installed on the column, and the spring cap and the shock-absorbing spring abut against each other.

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