CN204643706U - A kind of overhead hoist - Google Patents

Abstract

The utility model discloses a kind of overhead hoist, it comprises bracing frame, crossbeam, assembly pulley, notch block, steel rope and shake arm, pulley is provided with bottom support frame as described above, bracing frame top is provided with the sleeve of level trend, the two ends of described crossbeam are interspersed in the sleeve of a bracing frame respectively, described assembly pulley is arranged on crossbeam, described notch block is arranged on below assembly pulley by steel rope, described steel rope one end is fixed on notch block, the other end is fixed on shake arm after passing the pulley of assembly pulley and notch block, described shake arm is fixed on one of them bracing frame in the bracing frame of two, crossbeam two ends.Crossbeam of the present utility model adopts inserting mode to be connected with bracing frame, is convenient to assembling, dismounting; Crossbeam is installed assembly pulley and carry out handling article together with notch block, saves manpower, can one man operation by shake arm; Each bracing frame bottom is provided with pulley, is convenient to push.

Description

a lifting device

technical field

The utility model relates to a transport tool, in particular to a hoisting device, which belongs to the technical field of power transmission and distribution engineering construction and transportation.

Background technique

At present, with the rapid development of society, the power consumption load has doubled, and power grid transformation and distribution equipment updates have been gradually upgraded to ensure safety, reduce labor intensity, speed up equipment replacement, shorten power outage time, ensure power supply quality and improve power supply reliability. This is the eternal theme of power supply enterprises.

Warehouses for storing intelligent switches, transformers and other power distribution equipment in power distribution projects often have a narrow space, and the average weight of the equipment is more than 200 kg. If it is transported from the warehouse to the outside of the warehouse manually, it will take time and effort, and the cost of renting out the crane is high. Not conducive to long-term use.

During the wiring construction process of power transmission projects, the cost of transporting traction rope reels and handling tools such as winch mills and hydraulic presses is too high if cranes are used, and manual handling is not only time-consuming and laborious, but also poor in safety.

Utility model content

Aiming at the deficiencies of the prior art, the utility model provides a hoisting device with simple and reasonable structure, convenient installation, reduced labor intensity and improved work efficiency.

The technical scheme adopted by the utility model to solve the technical problems is: a lifting device, which is characterized in that: it includes a support frame, a beam, a pulley block, an open tackle, a steel wire rope and a swing arm, and the bottom of the support frame is provided with a pulley to support The top of the frame is provided with a horizontal sleeve, and the two ends of the beam are respectively inserted into the sleeve of a support frame. The pulley block is arranged on the beam, and the open pulley is set under the pulley block through a wire rope. One end of the wire rope It is fixed on the sheave block, and the other end is fixed on the rocking arm after passing through the block of pulleys and the pulley of the sheave block, and the rocking arm is fixed on one of the two support frames at the two ends of the crossbeam.

Preferably, the support frame includes a first slanted support rod, a second slanted support rod, a first horizontal support rod and a second horizontal support rod, and the upper ends of the first slanted support rod and the second slanted support rod are respectively connected to The sleeve is fixedly connected, and the lower ends are respectively provided with pulleys; the first horizontal support rod and the second horizontal support rod are respectively horizontally arranged at the middle and lower positions of the first oblique support rod and the second oblique support rod, and the two ends are respectively connected with the The first oblique support rod and the second oblique support rod are fixedly connected; the included angle between the first oblique support rod and the second oblique support rod is equal to that of the first horizontal support rod.

Preferably, the rocking arm is arranged directly below the upper beam of the first horizontal support rod.

Preferably, the pulley block includes a first fixed pulley and a second fixed pulley, the first fixed pulley and the second fixed pulley are arranged in the middle of the beam, one end of the steel wire rope is fixed on the ring on the top of the sheave block, and the other end is in turn After passing through the first fixed pulley, the open block pulley and the second fixed pulley, it is fixed on the rocking arm.

Preferably, the pulley block further includes a third fixed pulley, the third fixed pulley is arranged on the crossbeam close to the position where the swing arm support frame is provided, and the third fixed pulley can be adjusted at the fixed position of the crossbeam through a locking structure.

Preferably, the shed tackle is a single-wheel shed hook type tackle.

Preferably, the pulley at the bottom of the support frame is a brake universal pulley.

Preferably, the sleeve of the support frame is provided with an insertion pin for fixing the beam.

The beneficial effects of the utility model are: the beam of the utility model is connected with the supporting frame by plugging, which is convenient for assembly and disassembly; The arm can be operated by a single person; pulleys are provided at the bottom of each support frame for easy transportation.

The utility model not only has simple structure and fast assembly, but also is convenient for lifting objects, saves time and labor, avoids personal injury caused by carrying heavy objects, avoids long-term rental of cranes, and saves a lot of construction costs.

Description of drawings

Other characteristics, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural representation of support frame described in the utility model;

Among the figure, 1 bracing frame, 11 first oblique support bar, 12 second oblique support bar, 13 first horizontal support bar, 14 second horizontal support bar, 2 beam, 3 open pulley, 4 steel wire rope, 5 rocking arm, 6 Pulley, 7 sleeves, 71 socket pins, 81 the first fixed pulley, 82 the second fixed pulley, 83 the third fixed pulley.

Detailed ways

The following disclosure provides many different embodiments or examples for realizing different structures of the present invention. To simplify the disclosure of the present invention, components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and/or letters in different instances. This repetition is for the purpose of simplicity and clarity and does not in itself indicate a relationship between the various embodiments and/or arrangements discussed. It should be noted that components illustrated in the figures are not necessarily drawn to scale. The present invention omits descriptions of known components and processing techniques and processes to avoid unnecessarily limiting the present invention.

As shown in Fig. 1 and Fig. 2, a kind of hoisting device of the present utility model, it comprises support frame 1, beam 2, block pulley, sheave block 3, wire rope 4 and rocking arm 5, and the bottom of described support frame 1 is provided with pulley 6. The top of the support frame is provided with a horizontal sleeve 7, and the two ends of the beam 2 are respectively inserted into the sleeve 7 of a support frame, and the two support frames 1 can be moved to adjust the width of the lifting device. The block of pulleys is arranged on the crossbeam 2, and the block block 3 is arranged below the block block through a wire rope 4. One end of the wire rope 4 is fixed on the block block 1, and the other end passes through the block block and the pulley of the block block and is fixed on the rocking arm 5. , the rocking arm 5 is fixed on one of the support frames 1 of the two support frames at both ends of the beam. The crossbeam 2 is connected to the support frame 1 by plugging, which is convenient for assembly and disassembly; the pulley block set on the crossbeam 2 and the open block together form a pulley block for lifting objects, which saves manpower and can be operated by a single person by shaking the arm; in each support frame 1 The bottom end is provided with a pulley 6, which is convenient for pushing.

Preferably, the support frame 1 includes a first diagonal support rod 11, a second diagonal support rod 12, a first horizontal support rod 13 and a second horizontal support rod 14, and the first diagonal support rod 11 and the second diagonal support rod 11 The upper ends of the support rods 12 are respectively fixedly connected to the sleeves 7, and the lower ends are respectively provided with pulleys 6; the first horizontal support rod 13 and the second horizontal support rod 14 are horizontally arranged on the first diagonal support rod and the second diagonal support rod respectively. The middle and lower positions of the rod, the two ends are respectively fixedly connected with the first diagonal support rod and the second diagonal support rod; the angle between the first diagonal support rod 11 and the first horizontal support rod and the second diagonal support rod 12 and the second The included angles of a horizontal support bar are equal. The support frame 1 adopts a tripod structure, and is connected with a socket through a sleeve and a cross bar, which is convenient for assembly and disassembly; two pulleys are respectively arranged at the bottom end of each tripod structure, which is convenient for pushing and transporting.

Preferably, the rocking arm is arranged directly below the upper beam of the first horizontal support rod.

Preferably, the pulley block includes a first fixed pulley 81 and a second fixed pulley 82, the first fixed pulley 81 and the second fixed pulley 82 are arranged at the middle position of the beam 2, and one end of the steel wire rope 4 is fixed on the sheave block 3 On the suspension ring at the top, the other end passes through the first fixed pulley 81, the split block pulley and the second fixed pulley 82 successively and is fixed on the rocking arm 5. The first fixed pulley 81 and the second fixed pulley 82 form a pulley block together with the sheave block, which saves manpower and can be operated by a single person through a rocking arm.

Preferably, the pulley block further includes a third fixed pulley 83, the third fixed pulley is arranged on the crossbeam close to the position where the swing arm support frame is provided, and the third fixed pulley can be adjusted at the fixed position of the crossbeam through the locking structure. The three fixed pulleys and the sheave are combined to form a pulley block, which saves manpower and can be operated by a single person through the rocker arm; the third fixed pulley can be adjusted on the beam through the locking structure, so as to move the two support frames 1 to a greater extent Adjust the width of the lifting device accurately.

Preferably, the shed block 3 is a single-wheel shed hook type block.

Preferably, the pulley at the bottom of the support frame adopts a brake universal pulley to facilitate the movement and fixation of the hoisting device.

Preferably, the sleeve 7 of the support frame is provided with an insertion pin 71 for fixing the crossbeam, so as to prevent the crossbeam from moving in the sleeve and cause the lifting device to be unstable and set the crossbeam to fall out of the sleeve.

The utility model has the advantages of simple structure, fast and convenient assembly, convenient lifting, saving time and labor, avoiding personal injury caused by carrying heavy objects, reducing labor intensity, improving work efficiency, and is especially suitable for carrying heavy objects in long and narrow warehouses; at the same time, The utility model also solves the problem of wasting a lot of construction costs on long-term rental cranes.

The above is only a preferred embodiment of the utility model, and for those of ordinary skill in the art, without departing from the principle of the utility model, some improvements and modifications can also be made, and these improvements and modifications are also regarded as It is the protection scope of the utility model.

Claims (8)

1. an overhead hoist, it is characterized in that: comprise bracing frame, crossbeam, assembly pulley, notch block, steel rope and shake arm, pulley is provided with bottom support frame as described above, bracing frame top is provided with the sleeve of level trend, the two ends of described crossbeam are interspersed in the sleeve of a bracing frame respectively, described assembly pulley is arranged on crossbeam, described notch block is arranged on below assembly pulley by steel rope, described steel rope one end is fixed on notch block, the other end is fixed on shake arm after passing the pulley of assembly pulley and notch block, described shake arm is fixed on one of them bracing frame in the bracing frame of two, crossbeam two ends.

2. a kind of overhead hoist according to claim 1, it is characterized in that: support frame as described above comprises the first inclined support bar, the second inclined support bar, the first transverse supporting rod and the second transverse supporting rod, the first described inclined support bar is fixedly connected with sleeve respectively with the upper end of the second inclined support bar, and lower end is respectively arranged with pulley; The first described transverse supporting rod and the second transverse supporting rod are horizontally set on middle part and the lower position of the first inclined support bar and the second inclined support bar respectively, and two ends are fixedly connected with the second inclined support bar with the first inclined support bar respectively; The first described inclined support bar is equal with the first transverse supporting rod angle with the second inclined support bar.

3. a kind of overhead hoist according to claim 2, is characterized in that: described shake arm is arranged on position immediately below the first transverse supporting rod entablatrance.

4. a kind of overhead hoist according to claim 1, it is characterized in that: described assembly pulley comprises the first fixed pulley and the second fixed pulley, described first fixed pulley and the second fixed pulley are arranged on crossbeam midway location, described steel rope one end is fixed on the suspension ring at notch block top, and the other end is successively through being fixed on after the first fixed pulley, notch block pulley and the second fixed pulley on shake arm.

5. a kind of overhead hoist according to claim 4, it is characterized in that: described assembly pulley also comprises the 3rd fixed pulley, described 3rd fixed pulley is arranged near the position being provided with shake arm supporting bracket on crossbeam, and the 3rd fixed pulley can be regulated in crossbeam fixed position by locking mechanism.

6. a kind of overhead hoist according to any one of claim 1 to 5, is characterized in that: described notch block is single-wheel open hanger hook coaster.

7. a kind of overhead hoist according to any one of claim 1 to 5, is characterized in that: the pulley bottom support frame as described above adopts braking Universal pulley.

8. a kind of overhead hoist according to any one of claim 1 to 5, is characterized in that: the sleeve of support frame as described above is provided with the grafting pin of fixed cross beam.