Concrete pole steel mould lifting appliance

Abstract

The utility model belongs to the technical field of lifting equipment, and particularly discloses a concrete pole steel mould lifting appliance which comprises a lifting frame, a sliding groove penetrating through the bottom face of the lifting frame is formed in the lifting frame, two sliding seats with the middle of the lifting frame as the symmetry point are symmetrically installed on the two sides of the sliding groove, a connecting plate is downwards fixed to the sliding seats, and an iron chain is downwards connected to the connecting plate. The tail ends of the iron chains are connected with hooks; a distance adjusting lead screw is further arranged in the sliding groove, threads with opposite rotating directions are arranged on the two sides of the distance adjusting lead screw and are in threaded connection with the center of a sliding base, and one end of the distance adjusting lead screw penetrates out of the end face of the hanging bracket; a lifting ring is connected to the center of the top face of the lifting frame, and empty grooves are formed in the two sides of the top of the lifting frame correspondingly and internally provided with balance weight adjusting mechanisms. The lifting appliance can flexibly adjust the distance between the two lifting hooks so as to meet the lifting requirements of electric pole steel molds with different lengths, meanwhile, the balance weight adjusting mechanism is arranged at the top of the lifting frame so that the force arm of the balance weight can be adjusted, balance weight balance of the conical steel mold can be achieved, and the safety risk in the lifting process is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to hoisting equipment technical field, concretely relates to a concrete pole steel mould hoist. BACKGROUND

[0002] The electric pole is the pole structure of supporting overhead conductor, also be called as telegraph pole, it is the important component in power supply, communication and other infrastructure construction. In the high and low voltage power transformation and various electric power overhead line and communication cable erection in city network, rural network, it plays an important role.

[0003] At present, the widely used electric pole type is concrete electric pole, and the electric pole steel mould is a mould for producing the concrete electric pole. In the production process, the hoisting operation is always the key node of the production line operation, because the electric pole steel mould involved in the production is large in size and heavy in weight, in order to ensure the high efficiency and safety of the hoisting operation, the corresponding hoist needs to be used to assist the operation.

[0004] The working principle of the hoist used at present is that two hooks are moved by the crane control first, the two hooks are hooked on the snap ring outside the steel mould respectively, then the two hooks are moved upward by the crane control, so that the hoisting of the steel mould is carried out. The distance between the two hooks of the hoist used at present is fixed, it cannot be suitable for electric pole steel moulds of different lengths, meanwhile, the existing hoist is not balanced in the process of hoisting the conical electric pole steel mould because the weight of the conical electric pole mould at two ends is inconsistent, the steel mould is easy to shake, and production risk is caused. UTILITY MODEL CONTENTS

[0005] In order to solve the above technical problems, the utility model designs a concrete electric pole steel mould hoist, which is suitable for electric pole steel moulds of different lengths, can balance and adjust the conical steel mould in the hoisting process, and ensures the high efficiency and safety of the hoisting operation.

[0006] The concrete electric pole steel mould hoist of the utility model, including the hanger, the inside of the hanger is provided with a sliding groove penetrating the bottom surface of the hanger, two sliding seats with the middle part of the hanger as the symmetry point are symmetrically installed on the both sides of the sliding groove, the sliding seat is fixed downward with the connecting plate, the iron chain is connected downward on the connecting plate, the hook is connected at the end of the iron chain;The inside of the sliding groove is further provided with a pitch adjusting screw, the threads on the both sides of the pitch adjusting screw are oppositely arranged and are respectively connected with the center thread of a sliding seat, the end of the pitch adjusting screw penetrates the end surface of the hanger;The center of the top surface of the hanger is connected with the hoisting ring, the both sides of the top of the hanger are respectively provided with the hollow groove, the counterweight adjusting mechanism is arranged in the hollow groove;The counterweight adjusting mechanism includes the optical shaft and the counterweight screw rod connected between the both end surfaces of the hollow groove, the end of the counterweight screw rod penetrates the outer wall of the hollow groove and is connected with the output shaft of the stepping motor, the optical shaft and the counterweight screw rod are connected with the counterweight seat, and the counterweight disc is installed on the counterweight seat.

[0007] The fixed seat is fixedly connected to the sliding groove center, and the structure of the fixed seat is consistent with the sliding seat structure.

[0008] The connecting ring is connected to the connecting plate through the connecting bolt.

[0009] The end of the distance-adjusting screw rod penetrating the end face of the hanger is also provided with a connecting groove, and the adjusting handle is hingedly connected in the connecting groove.

[0010] The connecting stud is arranged on the counterweight seat, penetrates the center of the counterweight disc, and is provided with a nut on the counterweight disc to press the counterweight disc.

[0011] The utility model discloses the beneficial effect is:

[0012] Compared with the prior art, the concrete pole steel mold lifting appliance of the utility model is provided with the sliding groove, the sliding seat and the distance-adjusting screw rod, can flexibly adjust the distance between the two hooks, thereby adapting to the hoisting demand of the pole steel mold of different lengths, improving the versatility of the lifting appliance, and reducing the trouble of replacing the lifting appliance due to the different lengths of the pole steel mold. Meanwhile, the counterweight adjusting mechanism is arranged on the top of the hanger, including the light shaft, the counterweight screw rod, the counterweight seat and the counterweight disc, the force arm of the counterweight can be adjusted through the driving of the stepping motor, the counterweight balance of the conical steel mold is realized, the safety risk in the hoisting process is reduced, such as inclination, shaking and the like, and the personal safety of the construction personnel and the safe operation of the equipment are ensured. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following briefly introduces the drawings needed to be used in the embodiment description.

[0014] Fig. 1 It is the whole structure schematic diagram of the lifting appliance in the embodiment.

[0015] Fig. 2 It is the partial structure schematic diagram of the lifting appliance in the embodiment.

[0016] Fig. 3 It is the bottom structure schematic diagram of the hanger in the embodiment.

[0017] In the drawings, the structure name represented by each sign is:

[0018] 1-hanger, 101-hoisting ring, 102-empty groove, 2-sliding groove, 3-sliding seat, 301-connecting plate, 4-connecting ring, 401-connecting bolt, 5-distance-adjusting screw rod, 501-connecting groove, 6-adjusting handle, 7-iron chain, 8-hook, 9-light shaft, 10-counterweight screw rod, 11-counterweight seat, 12-connecting stud, 13-counterweight disc, 14-nut, 15-stepping motor, 16-fixed seat. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0020] Embodiment 1

[0021] In order to make the lifting appliance applicable to different length electric pole steel molds when lifting the electric pole steel mold, and to adjust the counterweight balance of the conical steel mold during the lifting process, and to ensure the efficiency and safety of the lifting operation, referring to Figs. 1 to 3 The embodiment provides a concrete electric pole steel mold lifting appliance, which comprises a lifting frame 1, a sliding groove 2 is arranged in the lifting frame 1 and penetrates through the bottom surface of the lifting frame 1, two sliding seats 3 which are symmetrical to each other are arranged on the two sides of the sliding groove 2 and take the middle part of the lifting frame 1 as a symmetrical point, a connecting plate 301 is fixed downwardly on the sliding seat 3, an iron chain 7 is connected downwardly on the connecting plate 301, a lifting hook 8 is connected to the tail end of the iron chain 7, and the lifting hook 8 is connected with a buckle ring outside the steel mold.

[0022] A distance adjusting screw rod 5 is further arranged in the sliding groove 2, threads on the two sides of the distance adjusting screw rod 5 are oppositely arranged and are respectively connected with the center threads of one sliding seat 3, one end of the distance adjusting screw rod 5 penetrates out of the end surface of the lifting frame 1, a bearing is arranged at the position where the penetrating end of the distance adjusting screw rod 5 contacts the end surface of the lifting frame 1, the other end of the distance adjusting screw rod 5 is connected with the end surface wall of the lifting frame 1 through a bearing, a connecting groove 501 is arranged on the end of the distance adjusting screw rod 5 which penetrates out of the end surface of the lifting frame 1, an adjusting handle 6 is hingedly connected in the connecting groove 501, the distance adjusting screw rod 5 is rotated by rotating the adjusting handle 6, and under the action of the oppositely arranged threads on the two sides, the running forms of the two sliding seats 3 are divided into two kinds, one is approaching each other, and the other is moving away from each other, so that the distance between the two sliding seats 3 is adjusted, and the distance between the two lifting hooks 8 is adjusted, so that the lifting appliance is applicable to the lifting of electric pole steel molds with different lengths, the versatility of the lifting appliance is improved, and the trouble of replacing the lifting appliance due to the different lengths of the electric pole steel molds is reduced.

[0023] In order to make the distance between the two lifting hooks 8 more convenient to judge, a length scale is further arranged on the lifting frame 1.

[0024] The top surface of the hanger 1 is centrally connected with a hoisting ring 101, the hoisting ring 101 is connected with a crane, both sides of the top of the hanger 1 are respectively provided with an empty slot 102, a counterweight adjusting mechanism is arranged in the empty slot 102; the counterweight adjusting mechanism comprises a light shaft 9 connected between the two end surfaces of the empty slot 102 and a counterweight lead screw 10, one end of the counterweight lead screw 10 penetrates out of the outer wall of the empty slot 102 and is connected with the output shaft of a stepping motor 15, and the counterweight lead screw 10 is connected with the wall of the empty slot 102 through a bearing, the light shaft 9 is connected with a counterweight seat 11, the light shaft 9 is used for guiding and limiting the movement of the counterweight seat 11, and the counterweight lead screw 10 is used for adjusting the position of the counterweight seat 11; a stud 12 is connected on the counterweight seat 11, the stud 12 penetrates through the center of a counterweight disc 13, and a nut 14 is arranged on the counterweight disc 13 and connected on the stud 12 to press the counterweight disc 13, so that the counterweight disc 13 can be disassembled and replaced according to the requirement while being fastened.

[0025] When hoisting the steel mold of a conical electric pole, the forward and reverse rotation of the stepping motor 15 is controlled to drive the movement of the counterweight seat 11 and the counterweight disc 13, the force arm of the counterweight is adjusted, the counterweight balance of the conical steel mold is realized, the safety risks in the hoisting process, such as inclination and shaking, are reduced, and the personal safety of construction personnel and the safe operation of equipment are ensured.

[0026] In order to further improve the stability in the hoisting process, a fixing seat 16 is further fixedly connected downward in the center of the sliding chute 2, the fixing seat 16 has the same structure as the sliding seat 3, and the lower part is sequentially connected with the connecting plate 301, the iron chain 7 and the lifting hook 8. The connection at the center is increased during hoisting, so that the hoisting of the electric pole steel mold is more stable.

[0027] In order to facilitate the disassembly and replacement of the iron chain 7, a connecting ring 4 is connected at the head end of the iron chain 7, and the connecting ring 4 is connected on the connecting plate 301 through connecting bolts 401.

[0028] The preferred embodiments disclosed above are only used for helping to describe the utility model. The preferred embodiments do not describe all the details and limit the utility model to the specific embodiments. Apparently, according to the content of the description, many modifications and changes can be made.

Claims

1. A concrete pole steel form hanger, characterized in that, The utility model provides a lifting device, including the hanger (1), the hanger (1) inside is provided with the sliding slot (2) penetrating the bottom surface of hanger (1), the sliding slot (2) both sides are symmetrically installed with two sliding seats (3) with hanger (1) middle part as the symmetric point, the sliding seat (3) is fixed with the connecting plate (301) downward, the connecting plate (301) is connected with the iron chain (7) downward, the iron chain (7) end is connected with the lifting hook (8), the sliding slot (2) inside is further provided with the distance adjusting screw rod (5), the distance adjusting screw rod (5) both sides are provided with the thread of opposite rotation respectively with a sliding seat (3) center screw connection, and the distance adjusting screw rod (5) one end head is out of the end face of hanger (1), the hanger (1) top center is connected with the lifting ring (101), and the hanger (1) top both sides are provided with the empty slot (102) respectively, and the empty slot (102) is provided with counterweight adjusting mechanism, the counterweight adjusting mechanism includes the optical axis (9) being connected between the empty slot (102) both end faces and the counterweight screw rod (10), and the counterweight screw rod (10) one end head is out of the outer wall of empty slot (102) and is connected with the stepping motor (15) output shaft, the optical axis (9) is connected with the counterweight screw rod (10) and is installed counterweight seat (11) on the counterweight seat (11), and the counterweight seat (11) is installed counterweight disc (13).

2. The concrete pole steel form hanger according to claim 1, wherein, The sliding slot (2) center is further fixedly connected with a fixed seat (16) downward, the fixed seat (16) structure is identical with the structure of sliding seat (3), and the lower part is also sequentially connected with connecting plate (301), iron chain (7) and lifting hook (8).

3. The concrete pole steel form hanger of claim 2, wherein, The iron chain (7) head end is connected with connecting ring (4), and connecting ring (4) is connected on connecting plate (301) through connecting bolt (401).

4. The concrete pole steel form hanger of claim 1, wherein, The end of distance adjusting screw rod (5) out of the end face of hanger (1) is further provided with connecting groove (501), and adjusting handle (6) is hinged in connecting groove (501).

5. The concrete pole steel form hanger of claim 1, wherein, The counterweight seat (11) is connected with stud (12), stud (12) penetrates the center of counterweight disc (13), and nut (14) is arranged on counterweight disc (13) and connected on stud (12) to compress counterweight disc (13).

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