CN214990086U - Hydraulic lifting device for masonry platform - Google Patents

Abstract

The utility model relates to a build platform hydraulic pressure elevating gear by laying bricks or stones, include: the hydraulic driving device is fixedly arranged on the tower body corresponding to the masonry platform, and the masonry platform is fixedly connected with the power output end of the hydraulic driving device through a steel wire rope; the utility model discloses a control hydraulic drive device action utilizes wire rope to drive and builds by laying bricks or stones the platform and go up and down on the tower body.

Description

Hydraulic lifting device for masonry platform

Technical Field

The utility model relates to a build platform hydraulic pressure elevating gear by laying bricks or stones.

Background

At present, the single ascending distance of a masonry platform in a process period is determined to be small by the characteristics of lining masonry operation of a converter, the first generation furnace repairing tower and the second generation furnace repairing tower are lifted by a hoisting and lifting driving mode of a steel wire pulley block, the speed ratio of a speed reducer is large, the appearance size of equipment is large, and the lifting is in a common inching operation mode. The masonry platform tower body in the second generation repair furnace tower is lifted together, the load is increased, the diameter of the steel wire rope is increased, the diameter of the winding drum is increased sharply, the corresponding lifting driving device is large in size, and the structure weight is increased. Due to the limitation of the arrangement condition of the lifting driving device in the furnace repairing tower, the lifting driving device is selectively arranged at one end of the upper platform close to the oxygen lance trolley running track, and the passing performance of the lifting driving device in the oxygen lance corridor is degraded due to the arrangement state and the appearance of the lifting driving device; and the design span of the oxygen lance corridor is increased, and the construction cost is increased. In some converter workshops, because the oxygen lance trolley operation track is close to the center line of the converter and the design span of an oxygen lance corridor is small, under the condition, the hoisting and lifting driving scheme of the masonry platform cannot be realized.

And the first generation furnace repairing tower and the second generation furnace repairing tower building platform are lifted by adopting a steel wire pulley block hoisting driving system, and the high-speed shaft end of a hoisting driving speed reducer is respectively provided with a single brake and a double steel wire pulley block. The single brake configured on the manned operation platform lifting system does not meet the safety requirement of lifting equipment; the relative safety factor of the double wire rope pulley block is lower.

SUMMERY OF THE UTILITY MODEL

In order to overcome the problem, the utility model provides a build platform hydraulic lifting device by laying bricks or stones.

In order to achieve the above object, the present invention comprises: the hydraulic driving device comprises a tower body, a suspension cage device is vertically and slidably arranged on the inner side of the tower body, a building platform is vertically and slidably matched with the outer side of the tower body, a hydraulic driving device is fixedly arranged on the tower body corresponding to the building platform, and the building platform is fixedly connected with the power output end of the hydraulic driving device through a steel wire rope; and the steel wire rope is utilized to drive the masonry platform to lift on the tower body by controlling the hydraulic driving device to act.

Furthermore, the masonry platform is arranged around the outer side of the tower body in an annular structure; the outer walls of the masonry platforms corresponding to the tower body are respectively and symmetrically fixedly provided with supporting bodies; a fixed pulley assembly is fixedly arranged on the tower body, and one end of the steel wire rope is fixedly connected with the supporting body; the other end of the hydraulic driving device is wound on the fixed pulley assembly and is fixedly connected with the power output end of the hydraulic driving device.

Furthermore, a movable pulley assembly is fixedly arranged at the power output end of the hydraulic driving device; one end of the steel wire rope wound behind the fixed pulley assembly is wound behind the movable pulley assembly and is fixedly connected with the supporting body.

Furthermore, a building platform anti-falling device is also arranged between the tower body and the supporting body of the building platform in a matching way;

the anti-falling device for the masonry platform comprises a shell fixedly arranged on a support body of the masonry platform, wherein an unlockable ratchet component is arranged in the shell; a brake plate is vertically and fixedly matched with the ratchet component on the outer wall of the tower body; a plurality of positioning grooves which are matched with each other are vertically arranged on the brake plate;

the ratchet end of the ratchet component protrudes out of the shell under the action of a spring so as to extend into the positioning groove of the brake plate;

the ratchet component is connected with an unlocking pedal through a connecting piece; when the unlocking pedal is pressed down, the ratchet end of the ratchet component retracts towards the inside of the shell to be separated from the positioning groove of the brake plate.

Furthermore, the ratchet assembly consists of a ratchet component and an unlocking sliding plate;

the ratchet member includes: the connecting arm is hinged on the shell, one end of the connecting arm corresponds to the positioning groove, and a ratchet mechanism is fixedly arranged on the connecting arm and protrudes out of the shell; the spring is fixedly arranged between the connecting arm and the shell;

the slide of backing lock include: a sliding plate main body hinged on the connecting arm near the ratchet end, wherein one end of the sliding plate main body extends out of the shell and is fixedly provided with an abutting end abutting against the surface of the brake plate; a floating pin shaft is fixedly arranged on the sliding plate main body and is parallel to a hinged shaft of the sliding plate main body or at the position of the upper part of the sliding plate main body; the unlocking pedal and the floating pin shaft are connected through a traction rope.

Furthermore, the supporting bodies of the masonry platform are respectively and fixedly provided with one masonry platform anti-falling device; the outer wall of the tower body is respectively provided with one brake plate corresponding to each masonry platform anti-falling device; the two anti-falling devices of the masonry platform are arranged at an angle of 180 degrees relative to the masonry platform.

Furthermore, the positioning grooves of the two brake plates are arranged on the same cross section in a staggered mode.

Further, the tower body comprises: the truss well structure comprises four hollow upright columns which are parallel to each other and are vertically arranged at intervals, a plurality of cross beams are respectively and fixedly arranged between the two adjacent upright columns at intervals along the vertical direction, and the upright columns and the cross beams are fixedly connected to form a truss well structure;

each two adjacent upright columns are respectively provided with a cross beam with a hollow inner cavity, and two ends of the cross beam are respectively communicated with the two corresponding upright columns; the top end pipe orifice of each upright post is sealed, and the bottom end pipe orifice of each upright post is communicated with the outside; the inner cavities of the four upright posts and the inner cavities of the four cross beams form a sealed channel;

the truss shaft is provided with a cold air supply outlet which is communicated with a cold air pressurizing device through a pipeline.

Furthermore, the tower body is formed by fixedly arranging an upper tower body and a lower tower body; the inner wall of the lower end of each upright column of the upper tower body is fixedly provided with a shear-resistant sleeve corresponding to the upper end of each upright column of the lower tower body, and the lower end of each shear-resistant sleeve is clamped in each upright column of the lower tower body, so that the insides of the upright columns of the upper tower body and the lower tower body are integrally communicated; and a group of connecting pieces are respectively arranged at the corresponding connection positions of the upright columns of each group of the upper tower body and the lower tower body which are correspondingly arranged, and a group of (high-strength) bolt assemblies are respectively fixedly arranged in each group of the connecting pieces in a penetrating way.

Furthermore, an upper crossbeam and a lower crossbeam are fixedly arranged on the upright post of the tower body on the outlet side of the cage device at intervals corresponding to the lifting positions of the top end and the bottom end of the cage device respectively; the length of the truss shaft between the upper cross beam and the lower cross beam is not less than twice of the height of the cage device;

a matched landing door device is arranged at the outlet of the cage device in a sliding manner; the control end of the landing door device is in controlled connection with the control end of the cage towing device.

The utility model has the advantages that: the hydraulic driving device is arranged on the tower body, the steel wire ropes are wound on the hydraulic driving device respectively, and two ends of each steel wire rope are symmetrically and fixedly arranged on the supporting body of the masonry platform and the power output end of the hydraulic driving device respectively; the hydraulic driving device is controlled to pull the steel wire rope to pull the support body and the masonry platform to lift, so that the lifting stroke of the support body is only half of that of the hydraulic driving device, and the installation space of the hydraulic driving device can be effectively saved; in addition, the hydraulic driving device only bears the tensile force in the process, so that the service life of the device is prolonged.

Drawings

Fig. 1 is a front view of the masonry platform at the lowest position in embodiment 1 of the present invention.

Fig. 2 is a side view of the masonry platform at the lowest position in example 1 of the present invention.

Fig. 3 is a front view of the masonry platform in the highest position in embodiment 1 of the present invention.

Fig. 4 is a side view of the masonry platform at the highest position in embodiment 1 of the present invention.

Fig. 5 is a front view of the present invention in which the support body is at the lowest position during the lifting operation in embodiment 3.

Fig. 6 is a front view of the present invention in the highest position of the support body during the lifting operation in embodiment 3.

Fig. 7 is a schematic winding diagram of a left-side wire rope pulley according to embodiment 3 of the present invention.

Figure 8 is a front view of a gimbal assembly of the present invention.

Fig. 9 is a side view of a gimbal assembly of the present invention.

Fig. 10 is a top view of a gimbal assembly in accordance with the present invention.

Fig. 11 is a schematic structural view of a cross shaft according to the present invention.

Fig. 12 is a schematic view of the connection between the wire rope and the sensor according to the present invention.

Fig. 13 is a schematic connection diagram of a wire rope load detection system of the weight limiter of the present invention.

Fig. 14 is a front view of the present invention in the case where the support body is located at the lowest position during the lifting operation in embodiment 4.

Fig. 15 is a front view of the present invention in the highest position of the support body in the lifting process in embodiment 4.

Fig. 16 is a schematic winding diagram of a left-side wire rope pulley according to embodiment 4 of the present invention.

Fig. 17 is a schematic view of a connection between a wire rope and a weight monitoring device according to embodiment 4 of the present invention.

Fig. 18 is a schematic view of the arrangement of the fixed pulleys on the tower body in embodiment 4.

Figure 19 is a front view of the utility model in embodiment 5 with the support body at the lowest position during the lifting operation.

Fig. 20 is a front view of the present invention in the highest position of the support body in the lifting and lowering process in embodiment 5.

Fig. 21 is a schematic winding diagram of a left-side wire rope pulley according to embodiment 5 of the present invention.

Fig. 22 is a schematic view of a connection structure of a steel wire rope, a tower body, and a support according to embodiment 5 of the present invention.

Fig. 23 is a front view of a connection between a steel wire rope and a tower body according to embodiment 5 of the present invention.

Fig. 24 is a side view of the connection of a steel cable to a tower according to the present invention in example 5.

Fig. 25 is a front view of the present invention in the case where the support body is located at the lowest position during the lifting operation in embodiment 6.

Fig. 26 is a front view of the present invention in the highest position of the support body during the lifting operation in embodiment 6.

Figure 27 left hand side cable pulley winding schematic in example 6.

Fig. 28 is a schematic view of the connection structure of the gimbal assembly, the tower body and the support body according to the embodiment 6.

Figure 29 is a front view of the gimbal assembly of the present invention in embodiment 6.

Fig. 30 is a side view of the gimbal assembly of the present invention in embodiment 6.

Fig. 31 is a top view of the gimbal assembly of the present invention in embodiment 6.

Fig. 32 is a schematic structural view of a cross in example 6 of the present invention.

Fig. 33 is a front view of the masonry platform anti-falling device on the tower body.

Fig. 34 is a side view of the masonry platform anti-falling device of the utility model on the tower body.

Figure 35 the utility model discloses a build by laying bricks or stones top view of platform anti-falling device on the tower body.

Fig. 36 is a schematic structural view of the braking plates of the masonry platform anti-falling device on the left and right sides of the tower body.

Figure 37 is a schematic structural view of the anti-falling device for the masonry platform of the utility model in the falling state of the masonry platform.

Fig. 38 is a schematic structural view of the anti-falling device for the masonry platform of the utility model in the ascending state of the masonry platform.

Fig. 39 is a schematic view of the structure of the cool air intake plane in embodiment 8.

Fig. 40 is a schematic view showing the connection of the upper and lower tower bodies according to the present invention in example 9.

Fig. 41 is an enlarged view of the connecting member of the upper and lower tower bodies according to the embodiment 9 of the present invention.

Fig. 42 is a front view of a tower body according to the present invention in embodiment 10.

Fig. 43 a side view of the tower in example 10.

Fig. 44 shows a schematic view of the tower guide plane according to the embodiment 10.

Fig. 45 a schematic view of the structure of the tower body according to the embodiment 10.

Fig. 46 is a schematic view of the structure of the tower and cage assembly of the present invention in example 10.

Fig. 47 is a schematic perspective view of a tower body according to embodiment 10.

In the figure, 200 parts of a tower body, 210 parts of an upper tower body, 211 parts of a shear sleeve, 212 parts of a bolt connector, 220 parts of a lower tower body, 230 parts of a high-strength bolt assembly, 280 parts of a landing door device, 300 parts of a cage device, 320 parts of a transverse guide wheel, 330 parts of a side guide wheel, 340 parts of a safety catch, 510 parts of a building platform, 520 parts of a support body, 531 parts of a building platform safety catch device, 532 parts of a shell, 533 parts of a ratchet, 534 parts of a spring, 535 parts of a release sliding plate, 536 parts of a pin shaft, 537 parts of a floating pin shaft, 538 parts of a release pedal, 590 parts of the building platform assembly, 610 parts of a hydraulic driving device, 620 parts of a movable pulley assembly, 630 parts of a fixed pulley, 640 parts of a steel wire rope, 650 parts of a balance frame assembly, 651 parts of a connecting rod, 652 parts of a balance beam, 653 parts of a support seat, 654 parts of a sensor, 655 parts of a cross shaft, 656 parts of a weight monitoring device, 680 parts of a fixed pulley assembly, 920 parts of a cold air inlet pipe, 940 parts and 940 parts of a cold air pressurizing device.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

Example 1

Embodiment 1 is one of the structures of the present invention, including: as shown in fig. 1 to 4, in the tower body 200, a cage device 300 is vertically and slidably arranged on the inner side of the tower body 200, masonry platforms 510 are arranged on the outer side of the tower body 200 in a matched manner around the tower body 300, and each masonry platform 510 is fixed to form an annular structure; a support body 520 is fixedly arranged on each masonry platform 510 corresponding to the outer wall of the tower body 200, and a hydraulic driving device 610 is fixedly arranged on the tower body 200; a fixed pulley assembly 630 is fixedly arranged on the tower body 200, and one end of a steel wire rope 640 is fixedly connected with the support body 520; the other end of the hydraulic driving device is wound on the fixed pulley assembly 630 and connected with the power output end of the hydraulic driving device 610; the utility model discloses a control hydraulic drive device 610 action, utilize wire rope 640 to drive supporter 520 and build by laying bricks or stones platform 510 and go up and down on tower body 200.

In this embodiment 1, a movable pulley assembly 620 is fixedly disposed at a power output end of the hydraulic driving device 610; one end of a steel wire rope 640 wound around the fixed pulley assembly 630 is wound around the movable pulley assembly 620 and then fixedly connected to the support body 520. Through the fixed movable pulley assembly 620 that is provided with at the power take off end of hydraulic drive device 610, can reduce the produced frictional force of wire rope 640 in the traction process, improve wire rope 640's life.

In the present embodiment 1, the method further includes: a weight monitoring device 656 is fixedly arranged on the tower body 200, and the detection end of the weight monitoring device 656 is fixedly connected with one end of each steel wire rope 640. The bearing condition of each steel wire rope 640 is monitored in real time through the weight monitoring device 656, so that accidents caused by overweight bearing of the steel wire rope 640 are avoided.

In this embodiment 1, the hydraulic driving device 610 is a hydraulic cylinder provided with a pilot operated check valve, wherein the oil supply port and the valve body are fixedly connected by a steel pipe. This design ensures that: even if hydraulic pressure pipeline leaks, damaged, the pneumatic cylinder still can the pressurize, locks the pneumatic cylinder piston rod position through the hydraulically controlled check valve to guarantee that wire rope 640 and movable pulley assembly 620's state does not change, masonry platform 510 position does not change. Moreover, through the design of the hydraulic driving device 610, the lifting stroke of the support body is only half of the stroke of the hydraulic driving device, and in the process, the hydraulic driving device 610 only bears the tensile force, so that the installation space of the hydraulic driving device 610 can be effectively saved, and the service life of the device is prolonged.

Example 2

Embodiment 2 is one of the modified structures of embodiment 1, and is different from embodiment 1 in that: the weight monitoring device 656 is a gimbal assembly 650; the gimbal assembly 650 includes: the tower body 200 is provided with a support 653 fixedly arranged on the tower body 200, the support 653 is symmetrically and hingedly provided with a balance beam 652, two ends of the balance beam 652 are respectively and symmetrically and fixedly provided with a cross shaft 655, the upper surface of the transverse shaft of each cross shaft 655 is fixedly provided with a sensor 654 of a weight limiter 656, a connecting rod 651 is fixedly penetrated in the vertical shaft of each cross shaft 655, and one end of a steel wire rope 640 is fixedly connected with the penetrating end of the connecting rod 651.

In this embodiment 2, a positioning screw is fixedly disposed on the connecting rod 651, and one end of the wire rope 640 passes through the positioning screw, and is fixedly connected to the connecting rod 651 by fixing a plurality of nuts in a manner of heavy-duty wire rope lantern ring connection.

Wherein, the sensor 654 is used for detecting the tension of the single steel wire rope 640; 654 sensors are matched with the 655 weight limiter to detect and limit the uneven condition of the refractory stored in the masonry platform 510 and the total load.

In this embodiment 2, as shown in fig. 13 and 14, the bottom surface of the sensor 654 is in surface contact with the upper surface of the cross 655, and is not in contact with the balance beam 652. The sensor 654 detects real-time tension data of the single wire rope 640 and transmits the data to the weight monitoring device 656. The weight monitoring device 656 can detect the bearing load of a single wire rope 640 and the total load borne by four wire ropes 640 in real time. The uneven condition of the refractory stored in the masonry platform 510 can be detected through the parameter setting of the weight monitoring device 656, and the uneven degree of the masonry platform 510 and the total load of the masonry platform 510 are limited. The overall safety of the hydraulic lifting device of the masonry platform is improved through the design.

Example 3

Embodiment 3 is one of the modified structures of embodiment 2, and as shown in fig. 5 to 7, embodiment 3 includes: the hydraulic driving device 610 is fixedly arranged on a bottom cross beam of the tower body 200, and a piston rod of the hydraulic driving device 610 is vertically arranged upwards; the balance frame assembly 650 is fixedly arranged on a top cross beam of the tower body 200 corresponding to the hydraulic driving device 610, and fixed pulleys 630 are symmetrically and fixedly arranged on the top cross beam of the tower body 200 at two sides of the balance frame assembly 650;

the movable pulley assembly 620 on the hydraulic driving device 610 is arranged in a coaxial double-pulley structure, and the whole movable pulley assembly is in threaded connection with the end part of a piston rod of the hydraulic driving device 610 to allow the movable pulley assembly to swing around a horizontal shaft; the fixed pulley 630 is a single pulley, and adopts a hanging mode, and the structure of the fixed pulley 630 allows the fixed pulley to swing around a horizontal shaft and a vertical shaft.

In this embodiment 3, as shown in fig. 5 to 7, one end of each group of steel cables 640 is symmetrically and fixedly disposed on the supporting body 620, and the other end of each group of steel cables 640 sequentially winds around each fixed pulley 630 and the movable pulley assembly 620 and is fixedly connected to one connecting rod 651 of the balance frame assembly 650.

In this embodiment 3, when the supporting body 520 of the masonry platform 510 is at the lowest position, the piston rod of the hydraulic driving device 610 is at the fully extended position; when the support body 520 of the masonry platform 510 is in the uppermost position, the piston rod of the hydraulic drive 610 is in a fully retracted position.

And, four-point hanging is formed on the supporting body 520 by adopting the winding mode of four independent steel wire ropes 640, which is beneficial to the stable lifting of the masonry platform 510.

In this embodiment 3, the piston rod of the hydraulic driving device 610 is controlled to move, so as to drive the movable pulley assembly 620 fixedly connected to the hydraulic driving device to move up and down, and the steel wire rope 640 wound around the movable pulley assembly 620 pulls the support 520 of the masonry platform 510 to move up and down. The weight bearing condition of each wire rope 640 is adjusted and monitored by the gimbal assembly 650.

Example 4

Embodiment 4 is one of the modified structures of embodiment 3, and as shown in fig. 14 to 18, embodiment 4 includes: the hydraulic driving device 610 is fixedly arranged on a top cross beam of the tower body 200, and a piston rod of the hydraulic driving device 610 is vertically arranged downwards; two sides of the hydraulic driving device 610 are respectively symmetrically provided with a weight monitoring device, a group of fixed pulley assemblies 680 are respectively and fixedly arranged on a bottom beam of the tower body 200 corresponding to each weight monitoring device, and each group of fixed pulley assemblies 680 is provided with two fixed pulleys arranged side by side; the movable pulley assembly 620 is arranged in a coaxial double-pulley structure;

one end of each group of steel wire rope is symmetrically and fixedly arranged on the support body 520, and the other end of each group of steel wire rope 640 sequentially winds around the movable pulley assembly 620 and each fixed pulley assembly 680 and is fixedly connected with the detection end of one weight monitoring device.

In embodiment 4, the weight monitoring device includes: a cross shaft 655 is fixedly arranged on the tower body 200 corresponding to each steel wire rope 640, a sensor 654 of a weight limiter 656 is fixedly arranged on the upper surface of the transverse shaft of each cross shaft 655, a connecting rod 651 is fixedly arranged in the vertical shaft of each cross shaft 655 in a penetrating way, and one end of each steel wire rope 640 is fixedly connected with the penetrating end of the connecting rod 651.

In this embodiment 4, the piston rod of the hydraulic driving device 610 is controlled to move, so as to drive the movable pulley assembly 620 fixedly connected to the hydraulic driving device to move up and down, and the steel wire rope 640 wound around the movable pulley assembly 620 pulls the support 520 of the masonry platform 510 to move up and down. The load bearing condition of each wire rope 640 is monitored by the weight monitoring device.

Example 5

Embodiment 5 is one of the modified structures of embodiment 4, and is different in that: the lower end of the steel wire rope 640 is fixedly connected with the bottom of the tower body 200; as shown in fig. 19 to 24, example 5 includes: the hydraulic driving device 610 is fixedly arranged on a top cross beam of the tower body 200, and a piston rod of the hydraulic driving device is vertically arranged downwards; wherein, the movable pulley assembly 620 on the hydraulic driving device 610 is arranged as a coaxial double-pulley structure;

one end of each group of steel wire rope 640 is symmetrically and fixedly arranged on the support body 520, the other end of each group of steel wire rope 640 is wound on each movable pulley assembly 620 and is fixedly connected with the bottom cross beam of the tower body 200, and the weight monitoring device is fixedly arranged between each steel wire rope 640 and the bottom cross beam of the tower body 200.

In this embodiment 5, the piston rod of the hydraulic driving device 610 is controlled to move, so as to drive the movable pulley assembly 620 fixedly connected to the hydraulic driving device to move up and down, and the steel wire rope 640 wound around the movable pulley assembly 620 pulls the support 520 of the masonry platform 510 to move up and down. The load bearing condition of each wire rope 640 is monitored by the weight monitoring device.

Example 6

Embodiment 6 is one of the modified structures of embodiment 3, and as shown in fig. 25 to 32, embodiment 6 includes: the hydraulic driving device 610 is fixedly arranged on a top cross beam of the tower body 200, and a piston rod of the hydraulic driving device 610 is vertically arranged downwards; the balance frame assembly 650 is fixedly arranged on a bottom cross beam of the tower body 200 corresponding to the movable pulley assembly 620 on the hydraulic driving device 610;

one end of each group of steel wire rope 640 is symmetrically and fixedly arranged on the support body 520, and the other end of each group of steel wire rope 640 is wound on the movable pulley assembly 620 and is fixedly connected with one connecting rod 651 of each balance frame assembly 650.

In this embodiment 6, the piston rod of the hydraulic driving device 610 is controlled to move, so as to drive the movable pulley assembly 620 fixedly connected to the hydraulic driving device to move up and down, and the steel wire rope 640 wound around the movable pulley assembly 620 pulls the support 520 of the masonry platform 510 to move up and down. The weight bearing condition of each wire rope 640 is adjusted and monitored by the gimbal assembly 650.

Example 7

Example 7 is a variation of example 1, which differs from example 1 in that: as shown in fig. 33 and 34, in the tower body 200, a masonry platform 510 is slidably disposed on the outer side of the tower body 200 along the vertical direction thereof, the masonry platform 510 moves up and down on the tower body 200 through a masonry platform lifting device 590, and a masonry platform anti-falling device 531 is cooperatively disposed between the tower body 200 and the masonry platform 510;

as shown in FIGS. 33-36, the masonry platform anti-falling device 531 comprises: a housing 532 fixedly disposed on the support 520 of the masonry platform 510, an unlockable ratchet assembly disposed within the housing 532; a brake plate 260 is vertically and fixedly matched with the ratchet component on the outer wall of the tower body 200; a plurality of matched positioning grooves are vertically formed in the brake plate 260;

the ratchet mechanism in the ratchet assembly protrudes out of the housing 532 under the action of the spring 534 to extend into the positioning groove of the brake plate 260;

an unlocking pedal 538 is connected to the ratchet component through a connecting piece; wherein when the unlock pedal 538 is depressed, the ratchet mechanism of the ratchet assembly retracts into the housing 532 to disengage the detent of the brake plate 260.

As shown in fig. 33 and 34, the ratchet assembly is comprised of two parts, a ratchet member 533 and an unlocking slide 535;

the ratchet member 533 includes: a connecting arm hinged to the housing 532, one end of the connecting arm corresponding to the positioning slot and protruding from the housing being fixedly provided with a ratchet mechanism; a spring 534 is fixedly arranged between the connecting arm and the shell;

the unlocking slide 535 comprises: a main body hinged to the connecting arm near the ratchet end, and an abutting end extending out of the housing 532 and abutting against the surface of the brake plate 260 is fixedly arranged at one end of the main body; a floating pin 537 is fixedly arranged on the sliding plate main body at the position flush with the hinged shaft of the sliding plate main body; the unlocking pedal 538 and the floating pin 537 are connected through a traction rope.

By stepping on the unlocking pedal 538, the pulling rope is utilized to pull the floating pin 537 connected with the pulling rope to drive the unlocking sliding plate 535 and the brake plate 260 to be in forced butt joint and rotate for a preset angle, and the unlocking sliding plate 535 drives the ratchet mechanism of the ratchet component 533 hinged with the unlocking sliding plate 535 to rotate and move out of the positioning groove, so that unlocking is realized.

In the present embodiment, as shown in fig. 33 to 35, a masonry platform anti-falling device 531 is respectively and fixedly disposed on the support body 520 of the masonry platform 510; the outer wall of the tower body 200 is respectively provided with a brake plate 260 corresponding to each masonry platform anti-falling device 531; the two masonry platform anti-falling devices 531 are arranged at an angle of 180 degrees with respect to the masonry platform 510. The two masonry platform anti-falling devices 531 are respectively arranged, so that the force applied to the masonry platform 510 is more uniform.

In addition, as shown in fig. 36, the positioning grooves of the two braking plates 260 are arranged on the same cross section in a staggered manner. I.e., the brake plates 260 on either side of the support body 520 maintain a certain amount of relative height difference when arranged in elevation. This measure may improve the stopping distance for accidental downslide of the masonry platform 510; the accidental slide-down stopping distance is only half the distance between the detents on the brake plate 260 at the maximum.

Example 8

Embodiment 8 is one of the modified structures of embodiment 1, and is different from embodiment 1 in that: the tower body 200 includes: each upright post and each cross beam are respectively provided with a hollow tubular structure; two ends of each beam are respectively communicated with the corresponding connected upright posts, and a sealed channel is integrally formed between the upright posts and the beams; the top end of each upright post is provided with a sealing structure, the bottom end of each upright post is provided with an open structure, a beam of the tower body 200 is provided with a cold air supply outlet, and the cold air supply outlet is fixedly communicated with an air outlet of a cold air pressurizing device 940 through a pipeline; as shown in fig. 39, an air inlet of the cold air pressurizing device 940 can be connected to the outside of the furnace body through the cold air inlet pipe 920, which is convenient for ventilation operation.

In the present embodiment, in order to ensure a good effect of transferring cold air in the tower body 200, each of the columns is made of a seamless hot-rolled steel pipe having a circular cross section; each cross beam is made of a seamless hot-rolled steel pipe with a rectangular cross section; and each beam is fixedly connected with the corresponding upright post in a welding mode.

Example 9

Example 9 is one of the modified structures of example 1, which is different from example 1 in that: the tower body 20 is formed by fixedly arranging an upper tower body (210) and a lower tower body (220);

the upper and lower tower bodies (210,220) are all provided with truss structures by upright posts and cross beams, as shown in fig. 40 and 41, the inner wall of each upright post of the upper tower body 210 is fixedly welded with each upright post of the lower tower body 220 in a matching way to form a shear sleeve 211 which is matched with the inner wall of each upright post, and each group of upright posts of the upper and lower tower bodies (210,220) are fixedly inserted into a whole through one shear sleeve 211, so that the interiors of the upper and lower tower bodies (210,220) are integrally communicated; and a group of bolt connecting holes 212 are respectively arranged at the butt joint position of each group of upright columns of the upper tower body (210) and the lower tower body (220), and a high-strength bolt assembly 230 is respectively fixedly penetrated in each group of bolt connecting holes so as to fixedly connect the upper tower body (210) and the lower tower body (220). Wherein the tower connector 250 is fixedly arranged at an upper end of the upper tower 210.

Example 10

Embodiment 10 is one of the modified structures of embodiment 1, and is different from embodiment 1 in that:

as shown in fig. 42 to 47, an upper beam and a lower beam are respectively arranged on the vertical columns of the truss shaft of the tower body 200 at the outlet side of the cage device 300 at fixed intervals corresponding to the lifting positions of the top end and the bottom end of the cage device 300; the length of a truss shaft between the upper cross beam and the lower cross beam is not less than twice of the height of the cage device 300; this design allows the cage device 300 to be parked at any height over the truss hoistway of the tower body 200;

a matched landing door device 280 is arranged at the outlet of the cage device 300 in a sliding manner; the control end of the landing door unit 280 is in controlled connection with the control end of the hoisting device. When the hoisting cage towing device stops lifting, the opening and closing actions of the gate device can be controlled;

wherein, still be provided with a set of proximity switch on cage device 300, control the relative elevating position of cage device 300 in tower body 200 truss well through proximity switch, prevent that cage device 300 from taking place to dash the top or the accident of falling to the bottom.

Claims (10)

1. The utility model provides a build platform hydraulic pressure elevating gear which characterized in that: the method comprises the following steps: the hydraulic driving device comprises a tower body, a suspension cage device is vertically and slidably arranged on the inner side of the tower body, a building platform is vertically and slidably matched with the outer side of the tower body, a hydraulic driving device is fixedly arranged on the tower body corresponding to the building platform, and the building platform is fixedly connected with the power output end of the hydraulic driving device through a steel wire rope; and the steel wire rope is utilized to drive the masonry platform to lift on the tower body by controlling the hydraulic driving device to act.

2. A hydraulic hoist for a masonry platform according to claim 1, characterized in that: the masonry platform is arranged around the outer side of the tower body in an annular structure; the outer walls of the masonry platforms corresponding to the tower body are respectively and symmetrically fixedly provided with supporting bodies; a fixed pulley assembly is fixedly arranged on the tower body, and one end of the steel wire rope is fixedly connected with the supporting body; the other end of the hydraulic driving device is wound on the fixed pulley assembly and is fixedly connected with the power output end of the hydraulic driving device.

3. A hydraulic hoist for a masonry platform according to claim 2, characterized in that: a movable pulley assembly is fixedly arranged at the power output end of the hydraulic driving device; one end of the steel wire rope wound behind the fixed pulley assembly is wound behind the movable pulley assembly and is fixedly connected with the supporting body.

4. A hydraulic hoist for a masonry platform according to claim 2, characterized in that: a masonry platform anti-falling device is also arranged between the tower body and the support body of the masonry platform in a matching way;

the anti-falling device for the masonry platform comprises a shell fixedly arranged on a support body of the masonry platform, wherein an unlockable ratchet component is arranged in the shell; a brake plate is vertically and fixedly matched with the ratchet component on the outer wall of the tower body; a plurality of positioning grooves which are matched with each other are vertically arranged on the brake plate;

the ratchet end of the ratchet component protrudes out of the shell under the action of a spring so as to extend into the positioning groove of the brake plate;

the ratchet component is connected with an unlocking pedal through a connecting piece; when the unlocking pedal is pressed down, the ratchet end of the ratchet component retracts towards the inside of the shell to be separated from the positioning groove of the brake plate.

5. A hydraulic hoist for a masonry platform according to claim 4, characterized in that: the ratchet assembly consists of a ratchet component and an unlocking sliding plate;

the ratchet member includes: the connecting arm is hinged on the shell, one end of the connecting arm corresponds to the positioning groove, and a ratchet mechanism is fixedly arranged on the connecting arm and protrudes out of the shell; the spring is fixedly arranged between the connecting arm and the shell;

the slide of backing lock include: a sliding plate main body hinged on the connecting arm near the ratchet end, wherein one end of the sliding plate main body extends out of the shell and is fixedly provided with an abutting end abutting against the surface of the brake plate; a floating pin shaft is fixedly arranged on the sliding plate main body and is parallel to a hinged shaft of the sliding plate main body or at the position of the upper part of the sliding plate main body; the unlocking pedal and the floating pin shaft are connected through a traction rope.

6. A hydraulic hoist for a masonry platform according to claim 4, characterized in that: the support body of the masonry platform is respectively and fixedly provided with one masonry platform anti-falling device; the outer wall of the tower body is respectively provided with one brake plate corresponding to each masonry platform anti-falling device; the two anti-falling devices of the masonry platform are arranged at an angle of 180 degrees relative to the masonry platform.

7. A hydraulic lifting device for a masonry platform according to claim 6, characterised in that: the positioning grooves of the two brake plates are arranged on the same cross section in a staggered mode.

8. A hydraulic hoist for a masonry platform according to claim 1, characterized in that: the tower body includes: the truss well structure comprises four hollow upright columns which are parallel to each other and are vertically arranged at intervals, a plurality of cross beams are respectively and fixedly arranged between the two adjacent upright columns at intervals along the vertical direction, and the upright columns and the cross beams are fixedly connected to form a truss well structure;

each two adjacent upright columns are respectively provided with a cross beam with a hollow inner cavity, and two ends of the cross beam are respectively communicated with the two corresponding upright columns; the top end pipe orifice of each upright post is sealed, and the bottom end pipe orifice of each upright post is communicated with the outside; the inner cavities of the four upright posts and the inner cavities of the four cross beams form a sealed channel;

the truss shaft is provided with a cold air supply outlet which is communicated with a cold air pressurizing device through a pipeline.

9. A hydraulic hoist for a masonry platform according to claim 8, characterized in that: the tower body is formed by fixedly arranging an upper tower body and a lower tower body; the inner wall of the lower end of each upright column of the upper tower body is fixedly provided with a shear-resistant sleeve corresponding to the upper end of each upright column of the lower tower body, and the lower end of each shear-resistant sleeve is clamped in each upright column of the lower tower body, so that the insides of the upright columns of the upper tower body and the lower tower body are integrally communicated; and a group of connecting pieces are respectively arranged at the corresponding connection positions of the upright columns of each group of the upper tower body and the lower tower body which are correspondingly arranged, and a group of bolt assemblies are respectively fixedly arranged in each group of the connecting pieces in a penetrating way.

10. A hydraulic hoist for a masonry platform according to claim 1, characterized in that: an upper crossbeam and a lower crossbeam are fixedly arranged on the upright post of the tower body on the outlet side of the cage device at intervals corresponding to the lifting positions of the top end and the bottom end of the cage device respectively; the length of a truss well between the upper cross beam and the lower cross beam is not less than twice of the height of the suspension cage device;

a matched landing door device is arranged at the outlet of the cage device in a sliding manner; the control end of the landing door device is in controlled connection with the control end of the cage towing device.

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