Drive device for climbing formwork

Abstract

The present invention relates to the field of bridge construction equipment, and specifically discloses a driving device for a climbing formwork, comprising a jack, an upper climbing box, a lower climbing box, and a steel sling. The upper climbing box and the lower climbing box are connected by the jack, and the lower climbing box comprises a box body, a first ratchet block and at least two guide plates, and the at least two guide plates are arranged up and down and fixed on the box body, the first ratchet block is arranged on the box body through an axis, and the first ratchet block can rotate around the axis center line of the axis, and the box body is provided with an upper limit plate, a lower limit plate and a socket for inserting the steel sling, one end of the first ratchet block is abutted against the upper limit plate or the lower limit plate, and the first ratchet block is provided with a connection point with a hydraulic cylinder, and the connection point of the axis and the box body is located between the socket and the connection point of the hydraulic cylinder.

Description

Technical Field

[0001] The invention relates to the field of bridge construction equipment, and in particular discloses a driving device for a climbing formwork. Background Art

[0002] Existing climbing boxes generally include climbing frames, wall attachment devices, climbing boxes and slide rails. The wall attachment device is used to attach to building structures, such as bridge piers; the climbing frame generally includes an upper beam, a lower beam, a column and a diagonal brace. The upper beam and the lower beam are arranged in parallel, the column is vertically arranged and used to connect the upper beam and the lower beam, the diagonal brace is inclined and its upper and lower ends are respectively connected to the upper beam and the lower beam. The function of the climbing frame is to install the formwork; the climbing box is slidably arranged on the slide rail and moves along the slide rail. The climbing box drives the climbing frame to move upward to realize the function of the template climbing upward. The slide rail not only guides the climbing box but also bears the force of the climbing frame in the horizontal direction. Climbing boxes of this structural form are all single-sided climbing. When the climbing formwork on one side falls, it is easy to cause safety hazards. At present, there are climbing forms that connect multiple surfaces to form a whole for climbing, but they use a suspender and a through-type jack. This structure can only carry a relatively small weight climbing box due to the insufficient strength of the suspender. Summary of the invention

[0003] In view of this, an object of the present invention is to provide a driving device for a climbing formwork.

[0004] In order to achieve the above object, the present invention provides the following technical solutions:

[0005] A driving device for a climbing formwork, comprising a jack, an upper climbing box and a lower climbing box, wherein the upper climbing box and the lower climbing box are connected by the jack, and further comprising a steel sling, wherein the steel sling is provided with a plurality of force-bearing grooves, and the plurality of force-bearing grooves are evenly arranged along the height direction of the steel sling, wherein the steel sling is passed through the upper climbing box and the lower climbing box, wherein the lower climbing box comprises a first box body, a first ratchet block and at least two guide plates, wherein at least two guide plates are arranged up and down and fixed on the first box body, wherein the first ratchet block is provided on the first box body through a shaft, and the first ratchet block can rotate around the axis of the shaft, wherein the first box body is provided with an upper limit plate, a lower limit plate and a guide plate for the steel sling A socket is inserted through the insertion, and one end of the first ratchet block is in contact with the upper limit plate or the lower limit plate, and a connection point with the hydraulic cylinder is provided on the first box body, and the connection point between the shaft and the first box body is located between the socket and the connection point of the hydraulic cylinder, and the socket vertically passes through all guide plates, and the outer sides of the upper and lower ends of the first ratchet block are provided with limiting planes, and the limiting planes can be in contact with the upper limit plate or the lower limit plate, and the top of the upper end and the bottom of the lower end of the first ratchet block are provided with force planes, and the force planes can be in contact with the steel sling, and the first ratchet block is rotated in the direction of the force groove and then in contact with the force groove up and down and is used to support the lower climbing box.

[0006] Furthermore, the climbing box includes a second box body, a second ratchet block, a second commutator and a second upper limit plate, the second ratchet block is rotatably arranged on the second box body, the second commutator is arranged on the second box body and connected to the second ratchet block, the second commutator is used to drive the second ratchet block to rotate, the second upper limit plate is used to limit the rotation angle of the second ratchet block, the second ratchet block is used to cooperate with the steel sling, and a third socket is formed between the second upper limit plate and the second box body, and the third socket is used to insert the steel sling.

[0007] Furthermore, the upper limit plate and the lower limit plate are combined with the first box to form a socket.

[0008] Furthermore, the upper limit plate and the lower limit plate are integrally formed.

[0009] Furthermore, it also includes a commutator, which includes a reversing rod and two reversing springs. The reversing rod is rotatably arranged between two boxes, one end of the two reversing springs is rotatably connected to the reversing rod, and the other end of the two reversing springs is respectively rotatably connected to the upper and lower sides of the first ratchet block.

[0010] The working principle and beneficial effects of this solution are:

[0011] 1. In this solution, a first spine block and a steel sling are provided. The steel sling is inserted into the climbing box, and the first spine block and the steel sling are used in cooperation for support. Compared with the existing suspension rod, the steel sling has a larger stress area during the stress process, so it can carry a larger load. The first spine block can rotate. When the first spine block rotates to the stress groove of the steel sling, the first spine block and the stress groove are abutted against each other up and down to hang the climbing box on the steel sling. The operation of the first spine block is very simple. It only needs to be rotated into the stress groove or out of the stress groove to realize the switching between the support and detachment states, which saves time and effort compared with the prior art.

[0012] 2. In this solution, a slide groove is provided on the guide plate, and an upper guide plate and a lower guide plate are provided on the box body; wherein the slide groove is in sliding contact with the steel sling, and can play a limiting role to prevent the climbing box from being separated from the steel sling when sliding up and down; the upper guide plate and the lower guide plate can, on the one hand, limit the rotation angle of the first spine block, and on the other hand, can also limit the horizontal movement of the climbing box, further preventing the climbing box from being separated from the steel sling.

[0013] 3. The wall-mounted device in this solution is connected to the steel sling by connecting square pins. The installation and disassembly are very simple, saving time and effort.

[0014] 4. Since the connection point between the central axis of the climbing box and the box body is located between the socket and the connection point of the hydraulic cylinder and not on the same vertical line, when the hydraulic cylinder is operating, the box body will not only be subjected to a vertical upward thrust, but also a rotational force, causing the box body and the steel sling to rotate relative to each other and become stuck and damaged; in this scheme, a guide plate is provided, which can limit the moving trajectory of the box body so that it can only move upward. At the same time, the upper limit plate and the lower limit plate can also play a corresponding limiting role to ensure that when the hydraulic cylinder is operating, the box body can move vertically upward smoothly.

[0015] Other advantages, objectives and features of the present invention will be described in the following description to some extent, and to some extent, will be obvious to those skilled in the art based on the following examination and study, or can be taught from the practice of the present invention. The objectives and other advantages of the present invention can be realized and obtained through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of an embodiment;

[0017] Figure 2 This is a schematic diagram of the side structure of the climbing box below;

[0018] Figure 3 It is a schematic diagram of the structure of the column, steel sling, climbing box, wall attachment device and jacking device;

[0019] Figure 4 It is a schematic diagram of the structure of the climbing box and the jacking device below;

[0020] Figure 5 This is a schematic diagram of the structure of the climbing box below and the rear side of the steel sling;

[0021] Figure 6 It is a structural schematic diagram of the wall-attached device;

[0022] Figure 7 This is a schematic diagram of the structure when a commutator is provided inside the climbing box below.

[0023] The markings in the accompanying drawings are as follows: upper crossbeam 1, lower crossbeam 2, column 3, diagonal brace 4, wall attachment device 5, steel sling 6, force groove 7, jacking device 8, climbing box 9, ratchet block 10, upper guide plate 11, lower guide plate 12, box body 13, cylinder pin hole 14, upper limit plate 15, reversing pin shaft 16, first rotating pin 17, second rotating pin 18, slide groove 19, force plane 20, limit plane 21, installation through groove 22, cylinder pin hole 23, support seat 24, limit seat 25, reversing rod 26, first reversing frame 27, second reversing frame 28, first reversing spring 29, second reversing spring 30. DETAILED DESCRIPTION

[0024] The following is further described in detail through specific implementation methods:

[0025] Example

[0026] A climbing formwork system includes four climbing formwork units, which are connected to form a whole through a ring, and the ring is used to bear the horizontal force of the climbing frame. The ring is a prior art, so it will not be described here. Figure 1 As shown, each climbing formwork unit includes a climbing frame, a wall attachment device 5, a jack 8, two climbing boxes 9, a steel sling 6, an upper guide plate 11 and a lower guide plate 12. The two climbing boxes 9 are connected by the jack 8, and the steel sling 6 is also arranged in the two climbing boxes 9 through the socket, and the climbing box 9 located at the top is fixed to the climbing frame, and the climbing frame is detachably connected to the wall attachment device. The upper guide plate 11 and the lower guide plate 12 are arranged on the climbing box 9 located at the bottom, and the upper guide plate 11 and the lower guide plate 12 are provided with a slide groove 19 on both sides, and the slide groove 19 clamps the columns 3 on both sides and slides with the columns 3. The lower guide plate 12 and the upper guide plate 11 are both provided with an installation groove 22, and the climbing box 9 and the steel sling 6 are both located in the installation groove 22. The jack 8 is a hydraulic cylinder.

[0027] The climbing frame includes two vertically arranged columns 3, an upper beam 1, a lower beam 2 and a diagonal brace 4. The upper beam 1 and the lower beam 2 are arranged in parallel. The column 3 is arranged vertically and is used to fix the upper beam 1 and the lower beam 2. The diagonal brace 4 is arranged obliquely and its upper and lower ends are respectively fixedly connected to the upper beam 1 and the lower beam 2. The top of the climbing frame is used to install the template. Each column 3 is correspondingly provided with a wall attachment device 5, a jacking device 8, a climbing box 9 and a steel sling 6. Each column 3 includes two columns 3 and a reinforcing plate connected between the columns 3.

[0028] The steel sling 6 is in a flat rectangular parallelepiped shape, and a plurality of stress-bearing grooves 7 are horizontally arranged on the steel sling 6 . The plurality of stress-bearing grooves 7 are evenly arranged along the height direction of the steel sling 6 , and the stress-bearing grooves 7 are in a rectangular parallelepiped shape.

[0029] Combination Figure 6 The wall-attaching device 5 includes a body, a support seat 24 and a limit seat 25. The support seat 24 is rotatably arranged on the body, and the limit seat 25 is arranged below the support seat 24. The top wall of the limit seat 25 abuts against the bottom of the support seat 24 and is used to support the support seat 24 and limit the rotation angle of the support seat 24. The inner top wall of the force groove 7 abuts against the support seat 24 and supports the steel sling 6, so that the wall-attaching device 5 and the steel sling 6 are detachably connected. The climbing frame and the wall-attaching device 5 are detachably connected in the following manner: a first square pin hole is horizontally arranged at the bottom of the body, and a second square pin hole is horizontally arranged on the climbing frame, and connecting square pins are inserted into the first square pin hole and the second square pin hole.

[0030] Combination Figure 2 , Figure 3 , Figure 5The climbing box 9 is arranged between the two uprights 3. The climbing box 9 comprises a box body 13, a commutator and a ratchet block 10; the upper end of the box body 13 is fixedly connected to the bottom of the upper guide plate 11, and the lower end of the box body 13 is fixedly connected to the top of the lower guide plate 12; the ratchet block 10 is rotatably arranged on the box body 13 through a reversing pin 16; the commutator is used to drive the ratchet block 10 to rotate and reverse. Two upper limit plates 15 and lower limit plates for limiting the rotation angle of the ratchet block 10 are fixedly arranged on the box 13 of the climbing box 9 at the bottom. The upper limit plates 15 and the lower guide plates are arranged on the side of the box 13 away from the climbing frame. The upper limit plates 15 and the lower limit plates are sleeved on the steel sling 6 and are in sliding contact with the steel sling 6. The difference between the climbing box 9 at the top and the climbing box 9 at the bottom is that the climbing box 9 at the top is not provided with the upper guide plate 11 and the lower guide plate 12, and two upper limit plates 15 for limiting the rotation angle of the ratchet block 10 are fixedly arranged on the box, but one of the upper limit plates 15 is a reinforcing plate of the column. A force plane 20 is arranged on the side of the ratchet block 10 in contact with the force groove 7, and a limit plane 21 is arranged on the side of the ratchet block 10 in contact with the upper limit plate 15. After the first ratchet block 10 rotates in the direction of the force groove 7, it abuts against the force groove 7 up and down and is used to support the climbing box 9.

[0031] Combination Figure 4 The jacking device 8 is arranged between the two climbing boxes 9, and the two ends of the jacking device 8 are respectively rotatably connected with the two climbing boxes 9. The rotational connection method is: a first rotating pin 17 is fixedly provided at the upper end of the jacking device 8, and a second rotating pin 18 is fixedly provided at the lower end of the jacking device 8. Cylinder pin holes 14 are provided on the box body 13. The first rotating pin 17 and the second rotating pin 18 are respectively aligned with the upper and lower cylinder pin holes 14 and inserted into the cylinder pin shaft to complete the rotational connection.

[0032] Figure 1-Figure 6 The commutator is not shown. Figure 7 As shown in the figure, the commutator includes a commutation rod 26, a first commutation spring 29, a second commutation spring 30, a first commutation frame 27 and a second commutation frame 28; the commutation rod 26 is U-shaped, and both ends are horizontally bent and rotatably arranged on the box body 13 on both sides; the first commutation frame 27 and the second commutation frame 28 are respectively fixedly arranged on the upper side and the lower side of the ratchet block 10, and the two ends of the first commutation spring 29 are respectively rotatably connected to the first commutation frame 27 and the commutation rod 26, and the two ends of the second commutation spring 30 are respectively rotatably connected to the second commutation frame 28 and the commutation rod 26. Rotating the commutation rod 26 can drive the ratchet block 10 to rotate, thereby changing the matching relationship between the ratchet block 10 and the steel sling 6.

[0033] The upper climbing box 9 is provided with a socket, which is formed by combining the upper limit plate 15, the lower limit plate and the box body 13 on the upper climbing box 9. The lower climbing box 9 is provided with a third socket, which is formed by combining the upper limit plate 15 and the box body 13 on the climbing box 9.

[0034] When implementing:

[0035] When it is necessary to climb upward, first move the steel sling 6 upward to connect it with the wall attachment device 5 of the upper building body, then drive the lower end of the ratchet block 10 of the upper climbing box 9 to rotate toward one side of the building body, and the lower end of the ratchet block 10 of the lower climbing box 9 to rotate toward one side of the building body. At this time, the lower climbing box 9 supports the steel sling 6, and the upper climbing box 9 can slide on the steel sling 6. At this time, the jacking device 8 works to drive the upper climbing box 9 to move upward, thereby driving the climbing formwork to move upward; wait until the jacking device 8 is at the lowest position. When the stroke is large, the jacking device 8 stops working, and the directions of the ratchet blocks 10 of the two climbing boxes 9 are rotated at the same time, that is, the upper end of the ratchet block 10 is driven by the commutator to rotate toward one side of the building. At this time, the upper climbing box 9 is supported on the steel sling 6, and the lower climbing box 9 can slide on the steel sling 6; the jacking device 8 is allowed to work to the minimum stroke again, thereby climbing the position of the lower climbing box 9, and the ratchet block 10 is flipped in the opposite direction again, and the previous steps are repeated until the climbing frame climbs to the preset position, and the climbing frame is fixed to the wall attachment device 5 again.

[0036] In this solution, a spike block 10 and a steel sling 6 are provided, and the steel sling 6 is inserted into the climbing box 9. The spike block 10 and the steel sling are used in cooperation for support. Compared with the existing suspension rod, the steel sling 6 has a larger force-bearing area during the force-bearing process, so it can carry a larger load.

[0037] The above is only an embodiment of the present invention, and the common knowledge such as the known specific structure and characteristics in the scheme is not described in detail here. It should be pointed out that for those skilled in the art, several modifications and improvements can be made without departing from the structure of the present invention, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicality of the present invention.

Claims

1. A driving device for a climbing formwork, comprising a jack, an upper climbing box and a lower climbing box, wherein the upper climbing box and the lower climbing box are connected via the jack, and characterized in that: It also includes a steel sling, which is provided with a plurality of stress grooves, which are evenly arranged along the height direction of the steel sling, and the steel sling is inserted into the upper climbing box and the lower climbing box, and the lower climbing box includes a first box body, a first ratchet block and at least two guide plates, at least two guide plates are arranged up and down and fixed on the first box body, the first ratchet block is arranged on the first box body through an axis, and the first ratchet block can rotate around the axis line of the axis, and the first box body is provided with an upper limit plate, a lower limit plate and a socket for inserting the steel sling, and one end of the first ratchet block abuts against the upper limit plate Or a lower limit plate, and the first box body is provided with a connection point with the hydraulic cylinder, the connection point of the shaft and the first box body is located between the socket and the connection point of the hydraulic cylinder, the socket vertically passes through all guide plates, and the outer sides of the upper and lower ends of the first ratchet block are provided with limit planes, and the limit planes can abut on the upper limit plate or the lower limit plate, and the top of the upper end and the bottom of the lower end of the first ratchet block are provided with force planes, and the force planes can abut on the steel sling, and the first ratchet block is rotated in the direction of the force groove and abuts against the force groove up and down and is used to support the lower climbing box.

2. The driving device for climbing formwork according to claim 1, characterized in that: The climbing box includes a second box body, a second ratchet block, a second commutator and a second upper limit plate. The second ratchet block is rotatably arranged on the second box body. The second commutator is arranged on the second box body and connected to the second ratchet block. The second commutator is used to drive the second ratchet block to rotate. The second upper limit plate is used to limit the rotation angle of the second ratchet block. The second ratchet block is used to cooperate with the steel sling. A third socket is formed between the second upper limit plate and the second box body, and the third socket is used to insert the steel sling.

3. The driving device for climbing formwork according to claim 1, characterized in that: The upper limit plate, the lower limit plate and the first box body are combined to form a socket.

4. The driving device for climbing formwork according to claim 1, characterized in that: The upper limit plate and the lower limit plate are integrally formed.

5. The driving device for climbing formwork according to any one of claims 1 to 4, characterized in that: It also includes a commutator, which includes a reversing rod and two reversing springs. The reversing rod is rotatably arranged between the two boxes, one end of the two reversing springs is rotatably connected to the reversing rod, and the other ends of the two reversing springs are respectively rotatably connected to the upper and lower sides of the first ratchet block.

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