Self-propelled cross arm assembling device and using method thereof

Abstract

The invention discloses a self-propelled cross arm assembling device and a using method thereof.The self-propelled cross arm assembling device comprises a pair of guide rails, a sliding frame and a walking mechanism, and the two guide rails are horizontally arranged at the bottom of a cross arm in parallel and extend in the length direction of the cross arm; the top of the sliding frame is in sliding connection with the two guide rails, a pair of suspension arms symmetrically arranged on the two sides of the cross arm is hinged to the sliding frame through a shaft, the suspension arms are connected with winches through suspension wires, the winches are fixedly arranged on an iron tower at the root of the cross arm, and a hanging basket is arranged at the bottom of the sliding frame; the walking mechanism can enable the sliding frame to slide between the two ends of the cross arm along the guide rails. The problem that an existing cross arm assembling device cannot meet the in-place requirement of super-long cross arm assembling can be effectively solved.

Description

Technical Field

[0001] The invention relates to the technical field of tower cross arm assembly, and in particular to a self-propelled cross arm assembly device and a use method thereof. Background Art

[0002] Extra-long crossarms are usually extra-large, extra-high and extra-heavy, weighing between 80-100 tons and up to 80 meters in length. Their huge size and weight make them difficult to hoist and install in traditional ways. When assembling extra-long crossarms, the next section of the crossarm needs to be assembled to the farthest end of the existing crossarm, resulting in traditional hoisting methods and equipment being unable to meet the requirements for the placement of the crossarm.

[0003] At present, the commonly used cross arm hoisting methods include suspended pole hoisting and ground pole hoisting. When the ground pole cannot be transported to the tower, temporary measures have to be adopted to form a suspended pole assembly mold plan, which is labor-intensive and safety cannot be guaranteed. Summary of the invention

[0004] The object of the present invention is to provide a self-propelled crossarm assembly device to solve the problem that the existing crossarm assembly device cannot meet the positioning requirements of the super-long crossarm assembly.

[0005] The present invention is achieved through the following technical solutions:

[0006] A self-propelled crossarm assembly device comprises: a pair of guide rails, two of which are horizontally and parallelly arranged at the bottom of the crossarm and extend along the length direction of the crossarm; a sliding frame, the top of the sliding frame is slidably connected to the two guide rails, the sliding frame is axially hinged with a pair of booms symmetrically arranged on both sides of the crossarm, the booms are connected to a winch through a suspension line, the winch is fixed on an iron tower at the root of the crossarm, and a hanging basket is provided at the bottom of the sliding frame; a walking mechanism, the walking mechanism can make the sliding frame slide along the guide rails between the two ends of the crossarm.

[0007] Optionally, a first brake mechanism is provided at the sliding connection between the sliding frame and the guide rail; the walking mechanism includes a hydraulic cylinder, a first longitudinal rod and a second longitudinal rod, the push rod of the hydraulic cylinder is horizontally arranged and parallel to the guide rail, the first longitudinal rod and the second longitudinal rod are vertically connected to the tail end of the hydraulic cylinder and the free end of the push rod of the hydraulic cylinder respectively, the bottom end of the first longitudinal rod is fixedly connected to the sliding frame, and the top end is slidingly connected to the guide rail, the bottom end of the second longitudinal rod is slidingly connected to the sliding frame, and the top end is slidingly connected to the guide rail and is provided with a second brake mechanism.

[0008] Optionally, the sliding frame includes a pair of vertically arranged frame plates, the two frame plates are symmetrically arranged on both sides of the crossbar and correspond to the two guide rails respectively, and the top of the frame plate is slidably connected to the corresponding guide rail; a sliding rail is horizontally provided in the middle of the frame plate, and the bottom ends of the first longitudinal rod and the second longitudinal rod are respectively slidably connected to the sliding rail; the bottom of the frame plate is respectively fixedly connected to both sides of the width direction of the hanging basket.

[0009] Optionally, the guide rail and the slide rail are both I-beams; the top of the frame plate, both ends of the first longitudinal rod and both ends of the second longitudinal rod are respectively slidably engaged with the grooves of the guide rail or the slide rail.

[0010] Optionally, the top of the frame plate, both ends of the first longitudinal rod and both ends of the second longitudinal rod are slidably connected to the guide rail or the slide rail through pulleys respectively; the pulley is clamped in a groove of the guide rail or the slide rail.

[0011] Optionally, the first brake mechanism and the second brake mechanism are both brake pad mechanisms arranged in the pulley.

[0012] Optionally, the middle portion of the boom is connected to the suspension line.

[0013] Optionally, a pressure sensor is provided at the lifting end of the boom, and the pressure sensor is used to calibrate the pressure borne by the boom.

[0014] Optionally, the hanging basket is arranged on one side of the boom, close to the vertical projection of the lifting end of the boom.

[0015] A method for using any of the above self-propelled crossarm assembly devices comprises the following steps:

[0016] S1, starting the first brake mechanism to lock the sliding frame and the guide rail, releasing the second brake mechanism to make the second longitudinal rod and the guide rail slide and cooperate, and controlling the push rod of the hydraulic cylinder to extend to the longest state;

[0017] S2, starting the second brake mechanism to lock the second longitudinal rod with the guide rail, releasing the first brake mechanism to make the sliding frame and the guide rail slide together, and controlling the push rod of the hydraulic cylinder to be retracted to the shortest state;

[0018] S3, repeating steps S1-S2 until the hanging basket is located at the head end of the existing cross arm, and activating the first brake mechanism to lock the sliding frame with the guide rail;

[0019] S4, controlling the hoist to adjust the boom to a hoisting angle;

[0020] S5, the next section of the cross arm to be assembled is hoisted to the installation height by the hanging arm, and the installer assembles the cross arm in the hanging basket;

[0021] S6, repeat steps S1-S5 until all cross arms are assembled;

[0022] S7, starting the second brake mechanism to lock the second longitudinal rod with the guide rail, releasing the first brake mechanism to make the sliding frame and the guide rail slide together, and controlling the push rod of the hydraulic cylinder to extend to the longest state;

[0023] S8, starting the first brake mechanism to lock the sliding frame and the guide rail, releasing the second brake mechanism to make the second longitudinal rod slide and cooperate with the guide rail, and controlling the push rod of the hydraulic cylinder to be retracted to the shortest state;

[0024] S9. Repeat steps S7-S8 until the hanging basket is located at the tail end of the existing crossarm, and then disassemble the self-propelled crossarm assembly device as described in any one of claims 2-9.

[0025] Compared with the prior art, the present invention has the following advantages and beneficial effects:

[0026] The present invention provides a self-propelled cross-arm assembly device, which provides a structural basis for sliding cooperation along the length direction of the cross-arm by setting a guide rail, and sets a sliding frame to make it slide with the guide rail, and sets a boom and a hanging basket on the sliding frame so that the two can slide along the length direction of the cross-arm together with the sliding frame to adapt to the extremely long length of the extra-long cross-arm, and sets a walking mechanism to give the sliding frame power to slide along the sliding rail so that the sliding frame can slide to the farthest end of the cross-arm; by setting a winch and a hanging line, when the sliding frame moves to the assembly position, the angle of the boom can be adjusted to a suitable lifting angle by using the winch and the hanging line; through the mutual cooperation of the above-mentioned features, the self-propelled cross-arm assembly device can effectively solve the problem that the existing cross-arm assembly device cannot meet the positioning requirements of the extra-long cross-arm assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The drawings described herein are used to provide a further understanding of the embodiments of the present invention, constitute a part of this application, and do not constitute a limitation of the embodiments of the present invention. In the drawings:

[0028] Figure 1 A schematic diagram of the self-propelled cross arm assembly device provided by an embodiment of the present invention when in use;

[0029] Figure 2 A schematic diagram of a self-propelled cross arm assembly device provided in an embodiment of the present invention;

[0030] Figure 3 and Figure 4 A schematic diagram of a self-propelled crossarm assembly device provided by an embodiment of the present invention during movement;

[0031] Figure 5 A schematic diagram of the lifting of the self-propelled cross arm assembly device provided by an embodiment of the present invention;

[0032] Figure 6 A partial schematic front view of a self-propelled crossarm assembly device provided in an embodiment of the present invention.

[0033] Marks and corresponding parts names in the attached drawings:

[0034] 10-guide rail; 20-sliding frame; 21-slide rail; 30-boom; 31-hanging wire; 32-winch; 33-pressure sensor; 40-hanging basket; 50-hydraulic cylinder; 51-first longitudinal rod; 52-second longitudinal rod. DETAILED DESCRIPTION

[0035] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with embodiments and drawings. The exemplary embodiments of the present invention and their description are only used to explain the present invention and are not intended to limit the present invention.

[0036] Please refer to Figures 1 to 6 The embodiment of the present invention provides a self-propelled crossarm assembly device, comprising: a pair of guide rails 10, two of the guide rails 10 are horizontally and parallelly arranged at the bottom of the crossarm, and extend along the length direction of the crossarm; the second comprises a sliding frame 20, the top of the sliding frame 20 is slidably connected to the two guide rails 10, the sliding frame 20 is hinged with a pair of booms 30 symmetrically arranged on both sides of the crossarm, the boom 30 is connected to a winch 32 through a suspension line 31, the winch 32 is fixed on the iron tower at the root of the crossarm, and a hanging basket 40 is provided at the bottom of the sliding frame 20; the third comprises a walking mechanism, the walking mechanism can make the sliding frame 20 slide along the guide rails 10 between the two ends of the crossarm.

[0037] The self-propelled cross-arm assembly device provided in the present embodiment provides a structural basis for sliding cooperation along the length direction of the cross-arm by setting a guide rail 10, and sets a sliding frame 20 to make it slide with the guide rail 10, and sets a boom 30 and a hanging basket 40 on the sliding frame 20 so that the two can slide along the length direction of the cross-arm together with the sliding frame 20 to adapt to the extremely long length of the extra-long cross-arm, and sets a walking mechanism to give the sliding frame 20 the power to slide along the slide rail 10 so that the sliding frame 20 can slide to the farthest end of the cross-arm; by setting a winch 32 and a hanging line 31, when the sliding frame 20 moves to the assembly position, the angle of the boom 30 can be adjusted to a suitable lifting angle by using the winch 32 and the hanging line 31; through the mutual cooperation of the above-mentioned features, the self-propelled cross-arm assembly device can effectively solve the problem that the existing cross-arm assembly device cannot meet the requirements for the assembly of extra-long cross-arms.

[0038] In order to further explain the specific structure of the walking mechanism, a first brake mechanism is provided at the sliding connection between the sliding frame 20 and the guide rail 10; the walking mechanism includes a hydraulic cylinder 50, a first longitudinal rod 51 and a second longitudinal rod 52, the push rod of the hydraulic cylinder 50 is horizontally arranged and parallel to the guide rail 10, the first longitudinal rod 51 and the second longitudinal rod 52 are vertically connected to the tail end of the hydraulic cylinder 50 and the free end of the push rod of the hydraulic cylinder 50 respectively, the bottom end of the first longitudinal rod 51 is fixedly connected to the sliding frame 20, and the top end is slidably connected to the guide rail 10, the bottom end of the second longitudinal rod 52 is slidably connected to the sliding frame 20, and the top end is slidably connected to the guide rail 10 and is provided with a second brake mechanism.

[0039] Through the above arrangement, the walking mechanism can move along the length direction of the cross arm in a creeping and progressive manner, thereby coping with the extra-long length of the cross arm.

[0040] In order to further explain the specific structure of the sliding frame 20, the sliding frame 20 includes a pair of vertically arranged frame plates, the two frame plates are symmetrically arranged on both sides of the crossbeam, and respectively correspond to the two guide rails 10, and the top of the frame plate is slidably connected to the corresponding guide rail 10; a sliding rail 21 is horizontally provided in the middle of the frame plate, and the bottom ends of the first longitudinal rod 51 and the second longitudinal rod 52 are respectively slidably connected to the sliding rail 21; the bottom of the frame plate is respectively fixedly connected to both sides of the width direction of the hanging basket 40.

[0041] In order to improve the smoothness of sliding fit while ensuring the bending resistance of the guide rail 10 and the slide rail 21, the guide rail 10 and the slide rail 21 are both I-beams; the top of the frame plate, the two ends of the first longitudinal rod 51 and the two ends of the second longitudinal rod 52 are respectively slidably engaged with the grooves of the guide rail 10 or the slide rail 21.

[0042] In order to further improve the smoothness of sliding fit, the top of the frame plate, both ends of the first longitudinal rod 51 and both ends of the second longitudinal rod 52 are respectively slidably connected to the guide rail 10 or the slide rail 21 through pulleys; the pulleys are clamped in the grooves of the guide rail 10 or the slide rail 21.

[0043] Optionally, in this embodiment, both the first brake mechanism and the second brake mechanism are brake pad mechanisms disposed in the pulley. In other embodiments, different brake mechanisms in the prior art may be selected according to actual conditions, as long as the pulley and the guide rail 10 or the slide rail 21 can be relatively fixed. For example, a hydraulic rod is disposed at the location where the pulley is disposed. When braking is required, the hydraulic rod is extended and pressed against the groove wall of the I-beam to achieve braking.

[0044] In order to facilitate the application of force, the middle portion of the suspension arm 30 is connected to the suspension line 31 .

[0045] In order to facilitate monitoring, a pressure sensor 33 is provided at the lifting end of the boom 30 , and the pressure sensor 33 is used to calibrate the pressure on the boom 30 .

[0046] In order to facilitate the installation of the hoisted cross arm section, the hanging basket 40 is arranged on one side of the boom 30 close to the vertical projection of the lifting end of the boom 30 .

[0047] This embodiment also provides a method for using any one of the above self-propelled crossarm assembly devices, comprising the following steps:

[0048] S1, start the first brake mechanism to lock the sliding frame 20 with the guide rail 10, release the second brake mechanism to make the second longitudinal rod 52 slide and cooperate with the guide rail 10, and control the push rod of the hydraulic cylinder 50 to extend to the longest state;

[0049] S2, start the second brake mechanism to lock the second longitudinal rod 52 with the guide rail 10, release the first brake mechanism to make the sliding frame 20 and the guide rail 10 slide and cooperate, and control the push rod of the hydraulic cylinder 50 to retract to the shortest state;

[0050] S3, repeating steps S1-S2 until the hanging basket 40 is located at the head end of the existing cross arm, and activating the first brake mechanism to lock the sliding frame 20 with the guide rail 10;

[0051] S4, controlling the hoist 32 to adjust the boom 30 to a hoisting angle;

[0052] S5, the next section of the cross arm to be assembled is hoisted to the installation height by the hanging arm 30, and the installer assembles the cross arm in the hanging basket 40;

[0053] S6, repeat steps S1-S5 until all cross arms are assembled;

[0054] S7, start the second brake mechanism to lock the second longitudinal rod 52 with the guide rail 10, release the first brake mechanism to make the sliding frame 20 and the guide rail 10 slide and cooperate, and control the push rod of the hydraulic cylinder 50 to extend to the longest state;

[0055] S8, start the first brake mechanism to lock the sliding frame 20 with the guide rail 10, release the second brake mechanism to make the second longitudinal rod 52 slide and cooperate with the guide rail 10, and control the push rod of the hydraulic cylinder 50 to retract to the shortest state;

[0056] S9. Repeat steps S7-S8 until the hanging basket 40 is located at the tail end of the existing crossarm, and then disassemble the self-propelled crossarm assembly device as described in any one of claims 2-9.

[0057] The specific implementation methods described above further illustrate the objectives, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above description is only a specific implementation method of the present invention and is not intended to limit the scope of protection of the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A self-propelled cross arm assembly device, characterized in that: include: A pair of guide rails (10), wherein the two guide rails (10) are arranged horizontally and parallel to the bottom of the cross arm and extend along the length direction of the cross arm; A sliding frame (20), wherein the top of the sliding frame (20) is slidably connected to the two guide rails (10), the sliding frame (20) is hinged with a pair of suspension arms (30) symmetrically arranged on both sides of the cross arm, the suspension arms (30) are connected to a winch (32) via a suspension line (31), the winch (32) is fixed on an iron tower at the root of the cross arm, and a hanging basket (40) is arranged at the bottom of the sliding frame (20); A walking mechanism, wherein the walking mechanism can enable the sliding frame (20) to slide along the guide rail (10) between the two ends of the cross arm.

2. The self-propelled cross arm assembly device according to claim 1, characterized in that: A first brake mechanism is provided at the sliding connection between the sliding frame (20) and the guide rail (10); The walking mechanism includes a hydraulic cylinder (50), a first longitudinal rod (51) and a second longitudinal rod (52); the push rod of the hydraulic cylinder (50) is horizontally arranged and parallel to the guide rail (10); the first longitudinal rod (51) and the second longitudinal rod (52) are vertically connected to the tail end of the hydraulic cylinder (50) and the free end of the push rod of the hydraulic cylinder (50), respectively; the bottom end of the first longitudinal rod (51) is fixedly connected to the sliding frame (20), and the top end is slidably connected to the guide rail (10); the bottom end of the second longitudinal rod (52) is slidably connected to the sliding frame (20), and the top end is slidably connected to the guide rail (10) and is provided with a second brake mechanism.

3. The self-propelled cross arm assembly device according to claim 2, characterized in that: The sliding frame (20) comprises a pair of vertically arranged frame plates, the two frame plates are symmetrically arranged on both sides of the cross arm and correspond to the two guide rails (10) respectively, and the top of the frame plate is slidably connected to the corresponding guide rail (10); A slide rail (21) is horizontally arranged in the middle of the frame plate, and the bottom ends of the first longitudinal rod (51) and the second longitudinal rod (52) are respectively slidably connected to the slide rail (21); The bottom of the frame plate is respectively fixedly connected to two sides of the hanging basket (40) in the width direction.

4. The self-propelled cross arm assembly device according to claim 3, characterized in that: The guide rail (10) and the slide rail (21) are both I-beams; The top of the frame plate, the two ends of the first longitudinal rod (51) and the two ends of the second longitudinal rod (52) are respectively slidably engaged with the grooves of the guide rail (10) or the slide rail (21).

5. The self-propelled cross arm assembly device according to claim 4, characterized in that: The top of the frame plate, the two ends of the first longitudinal rod (51) and the two ends of the second longitudinal rod (52) are respectively slidably connected to the guide rail (10) or the slide rail (21) via pulleys; The pulley is clamped in a groove of the guide rail (10) or the slide rail (21).

6. The self-propelled cross arm assembly device according to claim 5, characterized in that: The first brake mechanism and the second brake mechanism are both brake pad mechanisms arranged in the pulley.

7. The self-propelled cross arm assembly device according to claim 2, characterized in that: The middle part of the suspension arm (30) is connected to the suspension wire (31).

8. The self-propelled cross arm assembly device according to claim 2, characterized in that: A pressure sensor (33) is provided at the lifting end of the boom (30), and the pressure sensor (33) is used to calibrate the pressure borne by the boom (30).

9. The self-propelled cross arm assembly device according to claim 2, characterized in that: The hanging basket (40) is arranged on one side of the hanging arm (30) close to the vertical projection of the lifting end of the hanging arm (30).

10. A method for using the self-propelled cross arm assembly device according to any one of claims 2 to 9, characterized in that: The steps include: S1, starting the first brake mechanism to lock the sliding frame (20) and the guide rail (10), releasing the second brake mechanism to make the second longitudinal rod (52) slide and cooperate with the guide rail (10), and controlling the push rod of the hydraulic cylinder (50) to extend to the longest state; S2, starting the second brake mechanism to lock the second longitudinal rod (52) with the guide rail (10), releasing the first brake mechanism to make the sliding frame (20) and the guide rail (10) slide and cooperate, and controlling the push rod of the hydraulic cylinder (50) to be retracted to the shortest state; S3, repeating steps S1-S2 until the hanging basket (40) is located at the head end of the existing cross arm, and activating the first brake mechanism to lock the sliding frame (20) and the guide rail (10); S4, controlling the hoist (32) to adjust the boom (30) to a hoisting angle; S5, the next section of the cross arm to be assembled is hoisted to the installation height by the hoisting arm (30), and the installation personnel assemble the cross arm in the hanging basket (40); S6, repeat steps S1-S5 until all cross arms are assembled; S7, starting the second brake mechanism to lock the second longitudinal rod (52) with the guide rail (10), releasing the first brake mechanism to make the sliding frame (20) and the guide rail (10) slide and cooperate, and controlling the push rod of the hydraulic cylinder (50) to extend to the longest state; S8, starting the first brake mechanism to lock the sliding frame (20) and the guide rail (10), releasing the second brake mechanism to make the second longitudinal rod (52) slide and cooperate with the guide rail (10), and controlling the push rod of the hydraulic cylinder (50) to be retracted to the shortest state; S9. Repeat steps S7-S8 until the hanging basket (40) is located at the tail end of the existing crossarm, and then disassemble the self-propelled crossarm assembly device as described in any one of claims 2-9.

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