CN212403278U - Attachment bar for tower crane - Google Patents
Attachment bar for tower crane Download PDFInfo
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- CN212403278U CN212403278U CN202020787394.0U CN202020787394U CN212403278U CN 212403278 U CN212403278 U CN 212403278U CN 202020787394 U CN202020787394 U CN 202020787394U CN 212403278 U CN212403278 U CN 212403278U
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Abstract
The utility model relates to an adhere to pole for tower crane belongs to tower crane technical field. The utility model comprises an attachment rod body, wherein one end of the attachment rod body is provided with an attachment frame connector, the other end is provided with a building connector, the attachment rod body comprises a first firmware and a second firmware, the first firmware and the second firmware are connected in a sliding way, and the sliding direction between the first firmware and the second firmware is the axial direction of the first firmware and the second firmware; holes are arranged on the first fixing piece and the second fixing piece, and the relative position between the first fixing piece and the second fixing piece is fixed by the connecting piece passing through the holes on the first fixing piece and the holes on the second fixing piece. When the length of the attachment rod needs to be adjusted, the first fixing piece and the second fixing piece only need to be slid, and the length of the whole attachment rod and the second fixing piece is fixed by the connecting piece when the length of the whole attachment rod and the length of the whole attachment rod reach the length needing to be adjusted. Therefore, the adjustable range of the utility model is large, and the operation is simple and convenient.
Description
Technical Field
The utility model relates to an adhere to pole for tower crane belongs to tower crane technical field.
Background
Currently, attachment rods for tower cranes are generally either fixed length attachment rods or threaded attachment rods. The length of the fixed-length attachment rod cannot be adjusted, so that the fixed-length attachment rod is often required to be cut and welded in actual use; although the length of the threaded attachment rod can be adjusted, the adjustable range is limited, and the length of the threaded attachment rod can be adjusted to 200 mm-300 mm. When the tower crane is used in different construction sites, the distance between the tower crane and a building is changed greatly. Correspondingly, the length of the attaching rod needs to be changed greatly when the attaching rod is used, and the existing fixed-length attaching rod and the existing attaching rod with threads cannot meet the use requirement.
Patent document CN202744234U discloses an adjustable attachment rod for a tower crane, wherein a lead screw is connected to one end of the attachment rod parent body, which is not connected with an attachment frame, and the other end of the lead screw is connected with a transition connecting piece; one end of the screw rod is provided with common threads, the other end of the screw rod is provided with left-handed threads, and the thread directions of the two ends of the screw rod are opposite; the transition connecting piece comprises an inner nut which can be sleeved on the screw rod, two horizontal lug plates which are welded at the top end and the bottom end of the inner nut and extend outwards respectively, and pin holes with central axes on the same vertical line are formed in the two lug plates. The utility model discloses an adhere to member length adjustable, but this utility model's manufacturing cost is higher to when the distance between tower crane and the building is great, the length adjustment of adhering to the pole is got up more trouble.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the attachment rod for the tower crane is large in adjustable range of the length of the attachment rod, and simple and convenient to operate.
For solving the technical problem the utility model discloses the technical scheme who adopts is: the attachment rod for the tower crane comprises an attachment rod body, wherein one end of the attachment rod body is provided with an attachment frame connector, the other end of the attachment rod body is provided with a building connector, the attachment rod body comprises a first fixing piece and a second fixing piece, the first fixing piece and the second fixing piece are connected in a sliding mode, and the sliding direction between the first fixing piece and the second fixing piece is the axial direction of the first fixing piece and the second fixing piece; holes are arranged on the first fixing piece and the second fixing piece, and the relative position between the first fixing piece and the second fixing piece is fixed by the connecting piece passing through the holes on the first fixing piece and the holes on the second fixing piece.
Further, the method comprises the following steps: the first fixing piece is sleeved inside the second fixing piece, first through holes are formed in the first fixing piece and distributed at equal intervals along the axis direction of the first fixing piece, second through holes are formed in the second fixing piece and distributed at equal intervals along the axis direction of the second fixing piece, and the hole distance between every two adjacent first through holes is equal to the hole distance between every two adjacent second through holes; the connecting piece is a pin shaft.
Further, the method comprises the following steps: and two ends of the pin shaft are respectively provided with a split pin, and the split pins are positioned on two sides of the second fixing piece.
Further, the method comprises the following steps: the first fixing piece comprises 2 first groove plates, the longitudinal sections of the first groove plates are U-shaped, concave parts of the 2 first groove plates are oppositely arranged, the 2 first groove plates are fixedly connected through a plurality of first connecting plates, and the first connecting plates are arranged at intervals along the axial direction of the first groove plates; the second firmware includes 2 second frills, and the longitudinal section of second frills is the U type, and the concave part of 2 second frills sets up relatively, passes through polylith second connecting plate fixed connection between 2 second frills, and the second connecting plate is arranged along the axis direction interval of second frills.
Further, the method comprises the following steps: a screw rod is arranged between the attachment rod body and the attachment frame connector, and the axis of the screw rod is distributed along the axis direction of the attachment rod body; the surface of the attachment rod body opposite to the attachment frame connector is fixedly provided with a screw rod connecting device, and two ends of the screw rod are respectively in threaded connection with the screw rod connecting device.
Further, the method comprises the following steps: the screw rod connecting device comprises a threaded sleeve and a threaded connecting plate, the axis of the threaded sleeve is perpendicular to the plane of the threaded connecting plate, and the threaded sleeve is fixedly connected to the center of the threaded connecting plate; the screw rod connecting device is fixedly connected with the attachment rod body through a threaded connecting plate, or is fixedly connected with the attachment frame connector through a threaded connecting plate.
Further, the method comprises the following steps: reinforcing ribs are arranged between the threaded sleeve and the threaded connecting plate and are arranged at intervals along the circumferential direction of the threaded sleeve.
Further, the method comprises the following steps: the screw rod is also provided with at least 2 nuts, and the position of each nut is close to the position of the screw rod connecting device.
Further, the method comprises the following steps: the attachment frame connector comprises 2 first connecting plates, wherein the 2 first connecting plates are arranged in parallel, a first supporting plate is further arranged between the 2 first connecting plates, the first supporting plate is arranged between the 2 first connecting plates at intervals, a first connecting hole is formed in the first connecting plate, and the axes of the first connecting holes coincide with each other in the 2 first connecting plates.
Further, the method comprises the following steps: the building connector comprises 2 second connecting plates, wherein the 2 second connecting plates are arranged at intervals in parallel, a second supporting plate is further arranged between the 2 second connecting plates, the second supporting plate is arranged between the 2 second connecting plates in parallel, a second connecting hole is formed in each second connecting plate, and the axes of the second connecting holes on the 2 second connecting plates coincide.
The utility model has the advantages that: one end of the attachment rod body of the utility model is connected with the attachment frame through the attachment frame connector, and the other end is connected with the building through the building connector; the attachment rod body comprises a first fixing piece and a second fixing piece, the first fixing piece and the second fixing piece are connected in a sliding mode, the sliding direction between the first fixing piece and the second fixing piece is the axial direction of the first fixing piece and the second fixing piece, the relative positions of the first fixing piece and the second fixing piece are fixed through a connecting piece, and therefore when the length of the attachment rod needs to be adjusted, the first fixing piece and the second fixing piece only need to be slid, the overall length of the first fixing piece and the second fixing piece is made to reach the length needed to be adjusted, and the attachment rod. Therefore, the adjustable range of the utility model is large, and the operation is simple and convenient.
The utility model discloses an inside at the second firmware is established to first firmware cover to first through-hole on the first firmware is along the axis direction interval distribution of first firmware, and the axis direction interval distribution of second firmware is followed to the second through-hole on the second firmware, the utility model discloses a structure is compared with the structure in the strip shape hole of opening on first firmware or second firmware, the utility model discloses a structural strength is higher, is difficult for taking place the deformation when the atress. The utility model discloses a connecting piece is the round pin axle to when the relative position between fixed first firmware and the second firmware, the operation is simpler and convenient. The utility model discloses still be provided with the split pin at the both ends of round pin axle to can also prevent that the round pin axle from dropping in the hole of first firmware or the hole of second firmware, and then increase the utility model discloses a security.
The utility model discloses a first firmware and second firmware are made by U type frid, thereby can reduce the utility model discloses holistic weight, and then can reduce the utility model discloses a manufacturing cost.
The utility model discloses be provided with the lead screw between adhering to the pole body and adhering to the frame connector, set firmly lead screw connecting device on adhering to the pole body and adhering to the face that the frame connector is relative, the both ends of lead screw respectively with lead screw connecting device threaded connection, thereby can make the utility model discloses carry out continuous adjustment, adjust the mode of adhering to pole length through the lead screw and can also make the utility model discloses the precision of adjusting is higher. The utility model discloses a lead screw connecting device includes thread bush and threaded connection board, thereby the utility model discloses can be through threaded connection board and adhere to fixed connection between the pole body, perhaps through threaded connection board and adhere to fixed connection between the frame connector, and then make the utility model discloses a lead screw connecting device can be stable with adhere to the pole body or with adhere to the frame connector and be connected. The utility model discloses be provided with the stiffening rib between thread bush and threaded connection board, the stiffening rib is arranged along the circumferencial direction interval of thread bush to can increase the bending strength who is connected between lead screw and the thread bush through the stiffening rib, and then can improve the utility model discloses a factor of safety. The utility model discloses still be provided with 2 at least nuts on the lead screw, the position of nut is near lead screw connecting device's position, and then can prevent not hard up between lead screw and the thread bush.
Drawings
FIG. 1 is a schematic view of the three-dimensional structure of the present invention during operation;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a schematic diagram of a second firmware;
FIG. 5 is a schematic diagram of a first firmware;
FIG. 6 is a schematic structural view of a lead screw connecting device;
FIG. 7 is a schematic view of a structure of the attachment frame connector;
FIG. 8 is a schematic view of a construction of a building joint;
the labels in the figure are: 1-attachment rod body, 11-first fixing piece, 111-first groove plate, 112-first connecting plate, 12-second fixing piece, 121-second groove plate, 122-second connecting plate, 2-attachment frame connecting head, 21-first connecting plate, 22-first supporting plate, 3-building connecting head, 31-second connecting plate, 32-second supporting plate, 4-connecting piece, 41-split pin, 5-lead screw, 6-lead screw connecting device, 61-thread sleeve, 62-thread connecting plate, 63-reinforcing rib, 7-nut, 8-attachment frame and 9-building.
Detailed Description
The present invention will be further explained with reference to the drawings and the embodiments.
As shown in fig. 1 to 8, the present invention includes an attachment rod body 1, an attachment frame connector 2 is disposed at one end of the attachment rod body 1, a building connector 3 is disposed at the other end of the attachment rod body, the attachment rod body 1 includes a first fixing member 11 and a second fixing member 12, the first fixing member 11 and the second fixing member 12 are slidably connected, and the sliding direction between the first fixing member 11 and the second fixing member 12 is the axial direction of the two; holes are provided in the first fixing member 11 and the second fixing member 12, and the relative position between the first fixing member 11 and the second fixing member 12 is fixed by the connection member 4 passing through the holes in the first fixing member 11 and the holes in the second fixing member 12. As shown in fig. 2, the attachment rod body 1 of the present invention includes a first fixing member 11 and a second fixing member 12, the first fixing member 11 is slidably connected to the second fixing member 12, the sliding direction between the first fixing member 11 and the second fixing member 12 is the axial direction of the two, and the relative position between the first fixing member 11 and the second fixing member 12 is fixed by the connecting member 4; as shown in fig. 1, one end of the attachment rod body 1 is connected with an attachment frame 8 through an attachment frame connector 2, and the other end is connected with a building 9 through a building connector 3; when the length of the attaching rod needs to be adjusted, the first fixing piece 11 and the second fixing piece 12 only need to be slid, so that the overall length of the first fixing piece and the second fixing piece reaches the length needed to be adjusted, and the first fixing piece and the second fixing piece are fixed through the connecting piece 4. Therefore, the adjustable range of the utility model is large, and the operation is simple and convenient.
In the present invention, the specific size of the first fixing member 11 and the specific size of the second fixing member 12 are not limited, and are generally selected according to actual requirements. The specific connection structure between the first fixing element 11 and the second fixing element 12 is not limited, and for implementation, as shown in fig. 2, the first fixing element 11 may be sleeved inside the second fixing element 12. The specific structure of the hole of the first fixing member 11 and the specific structure of the hole of the second fixing member 12 are not limited, so as to facilitate the higher structural strength of the present invention, and the first fixing member 11 is not easy to deform when stressed, as shown in fig. 5, the first fixing member 11 may be provided with first through holes, and the first through holes are distributed at intervals along the axial direction of the first fixing member 11; the first through holes may be equidistantly spaced in the axial direction of the first fixing member 11, or may be non-equidistantly spaced in the axial direction of the first fixing member 11. Similarly, as shown in fig. 4, the second through holes provided in the second fixing member 12 may be arranged at equal intervals in the axial direction of the second fixing member 12, or may be arranged at non-equal intervals in the axial direction of the second fixing member 12. For the convenience when first firmware 11 and second firmware 12 adjust length, relative position between them can be swiftly fixed to connecting piece 4, the utility model discloses can be with first through-hole along the equidistant interval distribution of axis direction of first firmware 11, the equidistant interval distribution of axis direction of second firmware 12 is followed to the second through-hole to the hole distance that makes between two adjacent first through-holes equals with the hole distance between two adjacent second through-holes. The specific hole type of the first through hole and the specific hole type of the second through hole are not limited, and both the first through hole and the second through hole can be circular holes for implementation convenience; of course, other hole types, such as square holes, etc., can be selected. In fig. 4 and 5, the shape of the first through-hole and the shape of the second through-hole are each provided as a circular hole; of course, the first through hole and the second through hole may be of the same hole type or different hole types. The specific number of the first through holes and the specific number of the second through holes are not limited, and the first through holes and the second through holes are generally manufactured according to actual requirements. The utility model discloses an arrangement of second through-hole on arrangement of first through-hole and second firmware 12 on first firmware 11 compares with the structural style who opens bar hole on first firmware 11 or on second firmware 12, the utility model discloses a structural strength is higher, is difficult for taking place to warp when the atress. In order to fix the relative position between the first fixing member 11 and the second fixing member 12 more simply and conveniently, the connecting member 4 of the present invention may be configured as a pin.
In order to prevent the utility model discloses a round pin axle drops in the hole of first firmware 11 or the hole of second firmware 12, as shown in fig. 3, the utility model discloses be provided with split pin 41 respectively at the both ends of round pin axle to split pin 41 is located the both sides of second firmware 12, and then can increase the utility model discloses a security.
In order to reduce the utility model discloses holistic weight, and then can reduce the utility model discloses a manufacturing cost can adopt following mode: as shown in fig. 5, the first fixing member 11 of the present invention includes 2 first groove plates 111, the longitudinal section of the first groove plate 111 is U-shaped, the concave portions of the 2 first groove plates 111 are oppositely disposed, the specific size of the first groove plate 111 is not limited, and the first groove plate is generally manufactured according to actual requirements; 2 first groove plates 111 are fixedly connected through a plurality of first connecting plates 112, the specific size of the first connecting plates 112 is not limited and is generally selected according to the first groove plates 111, the specific connection mode between the first connecting plates 112 and the first groove plates 111 is not limited, and for implementation, the first groove plates 111 and the first connecting plates 112 can be fixed together by welding; the first connection plates 112 are arranged at intervals in the axial direction of the first slot plate 111, and the first connection plates 112 may be arranged at equal intervals in the axial direction of the first slot plate 111 or at non-equal intervals on the axial direction of the first slot plate 111; the specific number of the first connection plates 112 is not limited, and is generally selected according to the length dimension of the first slot plate 111. As shown in fig. 4, the second fixing member 12 of the present invention includes 2 second groove plates 121, the longitudinal section of the second groove plate 121 is U-shaped, the concave portions of the 2 second groove plates 121 are oppositely disposed, the specific size of the second groove plate 121 is not limited, and the second groove plate is generally manufactured according to actual requirements; 2 second groove plates 121 are fixedly connected through a plurality of second connecting plates 122, the specific size of the second connecting plates 122 is not limited, and generally selected according to the second groove plates 121, the specific connection mode between the second connecting plates 122 and the second groove plates 121 is not limited, and for implementation, the second groove plates 121 and the second connecting plates 122 can be fixed together by welding; the second connecting plates 122 are arranged at intervals along the axial direction of the second slot plate 121, and the second connecting plates 122 may be arranged at equal intervals along the axial direction of the second slot plate 121, or may be arranged at non-equal intervals on the axial direction of the second slot plate 121; the specific number of the second connecting plates 122 is not limited, and is generally selected according to the length dimension of the second slot plate 121.
In order to make the utility model discloses carry out continuous adjustment, in order to make the utility model discloses an adjust the precision higher. As shown in fig. 2, a screw rod 5 is arranged between the attachment rod body 1 and the attachment frame connector 2, and the axis of the screw rod 5 is distributed along the axis direction of the attachment rod body 1; the surface of the attachment rod body 1 opposite to the attachment frame connector 2 is fixedly provided with a screw rod connecting device 6, and two ends of a screw rod 5 are respectively in threaded connection with the screw rod connecting device 6. The utility model discloses in, can set up lead screw 5 between adhering to pole body 1 and adhering to frame connector 2, can set up lead screw 5 between adhering to pole body 1 and building connector 3, also can be between adhering to pole body 1 and adhering to frame connector 2 to and all be provided with lead screw 5 between adhering to pole body 1 and building connector 3. For the convenience of implementation and cost saving, in the present embodiment, as shown in fig. 2, the screw rod 5 is disposed only between the attachment rod body 1 and the attachment frame connector 2. The lead screw connecting device 6 is correspondingly matched with the lead screw 5, so the lead screw connecting device 6 can also be arranged between the attachment rod body 1 and the attachment frame connector 2, the lead screw connecting device 6 can be arranged between the attachment rod body 1 and the building connector 3, also can be arranged between the attachment rod body 1 and the attachment frame connector 2, and also can be provided with the lead screw connecting device 6 between the attachment rod body 1 and the building connector 3.
The concrete structure of the screw rod connecting device 6 of the utility model is not limited, in order to make the screw rod connecting device 6 of the utility model stably connect with the attachment rod body 1 or the attachment frame connector 2, as shown in fig. 6, the screw rod connecting device 6 comprises a thread bush 61 and a thread connecting plate 62, the axis of the thread bush 61 is perpendicular to the plane of the thread connecting plate 62, and the thread bush 61 is fixedly connected with the center of the thread connecting plate 62; the specific size of the threaded sleeve 61 is not limited and is generally selected according to the size of the lead screw 5. The specific structure of the threaded connection plate 62 is not limited, and for convenience of implementation, as shown in fig. 6, the threaded connection plate 62 may be configured as a rectangular plate; of course, the threaded connection plate 62 may be provided in other shapes, such as a disk shape, etc. Lead screw connecting device 6 passes through threaded connection board 62 and adheres to fixed connection between the pole body 1, perhaps through threaded connection board 62 and adheres to fixed connection between the frame connector 2, and then makes the utility model discloses a lead screw connecting device 6 can be stable with adhere to pole body 1 or with adhere to frame connector 2 and be connected.
In order to increase the bending strength between the connection of the screw rod 5 and the thread bush 61 and further improve the safety factor of the present invention, as shown in fig. 6, a reinforcing rib 63 is provided between the thread bush 61 and the thread connecting plate 62, and the reinforcing rib 63 is arranged along the circumferential direction of the thread bush 61 at intervals. The specific dimensions of the reinforcing ribs 63 are not limited and are generally selected based on the dimensions of the threaded sleeve 61 and the threaded web 62; the specific structure of the reinforcing rib 63 is not limited, and for convenience of implementation, in fig. 6, the reinforcing rib 63 may be configured in a right trapezoid shape, the right-angled side of the trapezoid is fixedly connected with the circumferential side surface of the threaded sleeve 61, and the lower bottom edge of the trapezoid is fixedly connected with the threaded connection plate 62. The specific connection mode between the reinforcing rib 63 and the threaded sleeve 61 and between the reinforcing rib 63 and the threaded connection plate 62 is not limited, and for implementation, the reinforcing rib 63 and the threaded sleeve 61 or the reinforcing rib 63 and the threaded connection plate 62 can be connected by welding. The specific number of the reinforcing ribs 63 is not limited, and the specific arrangement of the reinforcing ribs 63 in the circumferential direction of the threaded sleeve 61 is not limited, and for convenience of implementation, 4 reinforcing ribs 63 may be selected, and the reinforcing ribs 63 may be arranged at equal intervals in the circumferential direction of the threaded sleeve 61.
In order to prevent not hard up between lead screw 5 and the thread bush 61, improve the utility model discloses a security, as shown in fig. 2, the utility model discloses still be provided with 2 at least nuts 7 on lead screw 5, the position of nut 7 is near the position of lead screw connecting device 6 to nut 7 and lead screw connecting device 6 form the mode of two nut 7 locking to lead screw 5, thereby can prevent not hard up between lead screw 5 and the thread bush 61, and then can improve the utility model discloses a security.
The utility model discloses in, adhere to the concrete structure of frame connector 2 not limited, as long as be convenient for adhere to pole body 1 through adhere to frame connector 2 with adhere to frame 8 be connected can, for implementing, as shown in fig. 7, it includes 2 first fishplate bars 21 to adhere to frame connector 2, parallel arrangement between 2 first fishplate bars 21, still be provided with first backup pad 22 between 2 first fishplate bars 21, first backup pad 22 is interval arrangement between 2 first fishplate bars 21, be provided with first connecting hole on first fishplate bar 21, the axis coincidence of first connecting hole on 2 first fishplate bars 21. The specific structure of the first joint plate 21 is not limited, and for convenience of implementation, as shown in fig. 7, the first joint plate 21 may be formed in a rectangular shape, and both ends above the first joint plate 21 may be chamfered. The specific structure of the first support plate 22 is not limited, and for the convenience of implementation, as shown in fig. 7, the first support plate 22 may be provided as a rectangular plate and arranged between the 2 first receiving plates 21; the specific number of the first supporting plates 22 is not limited, and in order to ensure the supporting strength of the left and right ends of the first receiving plate 21, 2 first supporting plates 22 may be selected, and the 2 first supporting plates 22 are arranged at the left and right ends of the first receiving plate 21 at intervals.
The utility model discloses in, the concrete structure of building connector 3 is not limited, as long as be convenient for adhere to pole body 1 and be connected with building 9 through building connector 3 can, for implementation, as shown in fig. 8, building connector 3 includes 2 second fishplate bars 31, 2 second fishplate bars 31 intervals and parallel arrangement, still be provided with second backup pad 32 between 2 second fishplate bars 31, second backup pad 32 interval arrangement between 2 second fishplate bars 31, be provided with the second connecting hole on second fishplate bar 31, the axis coincidence of second connecting hole on 2 second fishplate bars 31. The specific structure of the second joint plate 31 is not limited, and for convenience of implementation, as shown in fig. 8, the second joint plate 31 may be configured as a trapezoid. The specific structure of the second supporting plate 32 is not limited, and for the convenience of implementation, as shown in fig. 7, the second supporting plate 32 may be provided as a rectangular plate and arranged between 2 second joint plates 31; the specific number of second supporting plates 32 is not limited, and in order to ensure the supporting strength of the left and right ends of second connecting plate 31, 2 second supporting plates 32 may be selected, and 2 second supporting plates 32 are arranged at the left and right ends of second connecting plate 31 at intervals. Of course, in the present invention, the structure of the attachment frame connector 2 and the structure of the building connector 3 may be the same, for example, the structure of the first connector plate 21 and the structure of the first connector plate 21 are both trapezoidal structural plates, the structure of the first support plate 22 and the structure of the second support plate 32 are both rectangular plates, 2 first connector plates 21 are arranged in parallel, 2 first support plates 22 are arranged between 2 first connector plates 21, and 2 first support plates 22 are located at both ends of the first connector plate 21; the 2 second joint plates 31 are arranged in parallel, the 2 second support plates 32 are arranged between the 2 second joint plates 31, and the 2 second support plates 32 are located at both ends of the second joint plates 31.
Claims (10)
1. An adhere to pole for tower crane, including adhering to pole body (1), its characterized in that: an attachment frame connector (2) is arranged at one end of an attachment rod body (1), a building connector (3) is arranged at the other end of the attachment rod body, the attachment rod body (1) comprises a first fixing piece (11) and a second fixing piece (12), the first fixing piece (11) and the second fixing piece (12) are connected in a sliding mode, and the sliding direction between the first fixing piece (11) and the second fixing piece (12) is the axial direction of the first fixing piece and the second fixing piece; holes are arranged on the first fixing piece (11) and the second fixing piece (12), and the relative position between the first fixing piece (11) and the second fixing piece (12) is fixed by the connecting piece (4) passing through the holes on the first fixing piece (11) and the holes on the second fixing piece (12).
2. An attachment bar for a tower crane according to claim 1, wherein: the first fixing piece (11) is sleeved inside the second fixing piece (12), first through holes are formed in the first fixing piece (11), the first through holes are distributed at equal intervals along the axis direction of the first fixing piece (11), second through holes are formed in the second fixing piece (12), the second through holes are distributed at equal intervals along the axis direction of the second fixing piece (12), and the hole distance between every two adjacent first through holes is equal to the hole distance between every two adjacent second through holes; the connecting piece (4) is a pin shaft.
3. An attachment bar for a tower crane according to claim 2, wherein: the two ends of the pin shaft are respectively provided with a split pin (41), and the split pins (41) are positioned on the two sides of the second fixing piece (12).
4. An attachment bar for a tower crane according to claim 1, wherein: the first fixing piece (11) comprises 2 first groove plates (111), the longitudinal section of each first groove plate (111) is U-shaped, concave parts of the 2 first groove plates (111) are oppositely arranged, the 2 first groove plates (111) are fixedly connected through a plurality of first connecting plates (112), and the first connecting plates (112) are arranged at intervals along the axial direction of the first groove plates (111);
the second fixing piece (12) comprises 2 second groove plates (121), the longitudinal sections of the second groove plates (121) are U-shaped, concave parts of the 2 second groove plates (121) are oppositely arranged, the 2 second groove plates (121) are fixedly connected through a plurality of second connecting plates (122), and the second connecting plates (122) are arranged at intervals along the axial direction of the second groove plates (121).
5. An attachment bar for a tower crane according to any one of claims 1 to 4, wherein: a screw rod (5) is arranged between the attachment rod body (1) and the attachment frame connector (2), and the axis of the screw rod (5) is distributed along the axis direction of the attachment rod body (1); the surface of the attachment rod body (1) opposite to the attachment frame connector (2) is fixedly provided with a screw rod connecting device (6), and two ends of a screw rod (5) are respectively in threaded connection with the screw rod connecting device (6).
6. An attachment bar for a tower crane according to claim 5, wherein: the screw rod connecting device (6) comprises a threaded sleeve (61) and a threaded connecting plate (62), the axis of the threaded sleeve (61) is perpendicular to the plane where the threaded connecting plate (62) is located, and the threaded sleeve (61) is fixedly connected to the center of the threaded connecting plate (62);
the screw rod connecting device (6) is fixedly connected with the attachment rod body (1) through a threaded connecting plate (62), or is fixedly connected with the attachment frame connector (2) through the threaded connecting plate (62).
7. An attachment bar for a tower crane according to claim 6, wherein: reinforcing ribs (63) are arranged between the threaded sleeve (61) and the threaded connecting plate (62), and the reinforcing ribs (63) are arranged at intervals along the circumferential direction of the threaded sleeve (61).
8. An attachment bar for a tower crane according to claim 5, wherein: at least 2 nuts (7) are also arranged on the screw rod (5), and the positions of the nuts (7) are close to the position of the screw rod connecting device (6).
9. An attachment bar for a tower crane according to claim 1, wherein: the attachment frame connector (2) comprises 2 first connecting plates (21), wherein the 2 first connecting plates (21) are arranged in parallel, first supporting plates (22) are further arranged between the 2 first connecting plates (21), the first supporting plates (22) are arranged among the 2 first connecting plates (21) at intervals, first connecting holes are formed in the first connecting plates (21), and the axes of the first connecting holes on the 2 first connecting plates (21) coincide.
10. An attachment bar for a tower crane according to claim 1, wherein: the building connector (3) comprises 2 second connecting plates (31), wherein the 2 second connecting plates (31) are arranged in parallel, second supporting plates (32) are further arranged between the 2 second connecting plates (31), the second supporting plates (32) are arranged among the 2 second connecting plates (31) at intervals, second connecting holes are formed in the second connecting plates (31), and the axes of the second connecting holes on the 2 second connecting plates (31) coincide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020787394.0U CN212403278U (en) | 2020-05-13 | 2020-05-13 | Attachment bar for tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020787394.0U CN212403278U (en) | 2020-05-13 | 2020-05-13 | Attachment bar for tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212403278U true CN212403278U (en) | 2021-01-26 |
Family
ID=74377450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020787394.0U Active CN212403278U (en) | 2020-05-13 | 2020-05-13 | Attachment bar for tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212403278U (en) |
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2020
- 2020-05-13 CN CN202020787394.0U patent/CN212403278U/en active Active
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