CN114074902B

CN114074902B - Track translation formula construction elevating platform

Info

Publication number: CN114074902B
Application number: CN202111330812.9A
Authority: CN
Inventors: 王西超; 李保江; 陈国初; 焦斌; 赵淑阳; 王海燕
Original assignee: Shanghai Dianji University
Current assignee: Shanghai Dianji University
Priority date: 2021-11-11
Filing date: 2021-11-11
Publication date: 2023-04-28
Anticipated expiration: 2041-11-11
Also published as: CN114074902A

Abstract

The utility model relates to a track translation type construction lifting workbench, which comprises a base, a lifting workbench and a track box, wherein a front-back penetrating channel is reserved in the base along the horizontal direction, the track box is movably positioned in the channel, the top of the track box is downwards concavely provided with a working area, a walking hydraulic cylinder is arranged in the working area, the fixed end of the walking hydraulic cylinder is fixedly connected with the inner top wall of the channel, the telescopic end of the walking hydraulic cylinder is fixedly connected with the inner side wall of the working area, the bottom of the track box is provided with a plurality of support leg chambers which are sequentially distributed along the length direction of the track box, movable swing support assemblies are arranged in the support leg chambers, traction ropes are arranged among the swing support assemblies to realize series connection, and the end parts of the traction ropes are connected with the telescopic ends of the walking hydraulic cylinder. Compared with the prior art, the method is suitable for the situation that the ground flatness of the construction area is poor and the construction process needs to be slowly moved and pushed.

Description

Track translation formula construction elevating platform

Technical Field

The utility model belongs to the technical field of auxiliary equipment for engineering construction, and particularly relates to a track translation type construction lifting workbench.

Background

The scissor fork type lifting device is divided into a fixed scissor fork type lifting device, a movable scissor fork type lifting device, a self-propelled scissor fork type lifting device, a vehicle-mounted scissor fork type lifting device, a manual traction scissor fork type lifting device and a special cargo scissor fork type lifting device. The existing common scissor type lifting device is special equipment for high-altitude operation with wide application, and the scissor mechanical structure of the device enables the lifting platform to be lifted with higher stability, higher bearing capacity and wide operation platform, so that the high-altitude operation range is wider, and the device is suitable for simultaneous operation of multiple people.

The existing common scissor type lifting device is characterized in that a power source such as a hydraulic cylinder is arranged between included angles on two sides, lifting is achieved through expanding the included angles, or the power source is arranged between opposite sides of a parallelogram, and lifting is achieved through changing the distance between the opposite sides. One side of the existing scissor type lifting device must be hinged in the fixed shaft hole through the fixed pin shaft, the other side must adopt the sliding pin shaft due to the fact that the two sides shrink inwards after folding, and must be sleeved in a transverse sliding groove to slide, so that the existing scissor type lifting device cannot be compressed to a large enough extent, when the sliding pin shaft on one side slides inwards, the problem that the scissor type lifting device supports the working platform at the top eccentrically can occur, and the larger the lifting degree is, the larger the eccentric degree is, and the overall stability is affected. On the other hand, the included angle of the scissors lifting device is not too large, so that the whole scissors support is necessarily widened to improve the lifting height range for replacing stability, the material utilization rate is low, and the material cost is increased.

The disadvantage of scissor lift devices is that when their angle is too large, although the overall height becomes high, the overall scissor support narrows to become high and eccentric, resulting in poor stability, and for stability of the work platform, the scissor angle should not be too large. In fact, the bottom of the scissor type lifting device is provided with only one pair of fixed pin shafts, and the other pair of fixed pin shafts is a sliding pin shaft, so that the problems that the bracket is narrowed and becomes high and the center of the bracket is offset are necessarily caused as long as the scissor type lifting device is unfolded. Therefore, after the working platform on the scissor type lifting device is lifted and in a working state, the whole device is not easy to move directly, and although the travelling wheels and even the power drive are arranged on the base of the scissor type lifting device, the travelling wheels and the power drive are limited to be in a contracted non-working state. When the working platform of the scissor type lifting device is unfolded and is in high-position working, the height is usually required to be reduced when the device is required to be gradually translated along with the working progress, and the height is lifted after the travelling wheels on the base of the scissor type lifting device are moved, so that safe operation is realized. In some construction environments with lower ground flatness, the movement of the road wheels may cause shaking of the whole device, and even a dumping accident due to unstable center may occur. In a word, current scissors fork elevating gear is when using, and bottom and top stability is relatively poor, rocks easily because of external force, and along with the degree of rising is bigger, stability is poorer.

In order to improve the stability of the existing scissor type lifting platform, for example, a pit protection mechanism of a self-walking scissor type movable lifting platform is disclosed as CN 107827022A. The mechanism is arranged in the chassis and connected with the scissors, and comprises a connecting rod assembly which is arranged in bilateral symmetry, one end of the connecting rod assembly is hinged with the chassis, a long pressing plate, a first fixing shaft, a short pressing plate and a second fixing shaft are sequentially arranged above the other end of the connecting rod assembly, and the second fixing shaft is connected with the scissors. The scheme can not be recovered when the supporting plate is subjected to great lateral force, and has stability, but as the scheme and the drawing can be seen, the greater the eccentric degree of the supporting part is along with the elevation of the supporting plate, the poorer the overall stability of the supporting part is.

The utility model discloses a number is CN211813303U provides a scissor fork elevating gear and scissor fork aerial work platform, concretely relates to elevating platform field, the on-line screen storage device comprises a base, the outside fixedly connected with four carrier plates of base, the bottom of carrier plate is equipped with the cylinder, the bottom of cylinder is equipped with the steel column, the top of base is equipped with the telescopic bracket, the top of telescopic bracket is equipped with the brace table, the equal fixedly connected with lateral station in four sides of brace table, the one end of lateral station is equipped with the reel, be equipped with the cable wire between reel and the carrier plate, this scheme expects to improve its stability through the cable wire all around, nevertheless in fact this platform is risen the back, the supporting part still is in eccentric position, only aggravate the pressure that eccentric supporting part bore through the cable wire traction all around, influence the life of whole device.

Disclosure of Invention

The utility model aims to solve the problems that the existing scissor type lifting device cannot or is not easy to directly walk in a high-position state due to the fact that the lifting support is narrowed and becomes high and eccentric while lifting is carried out, and further the construction progress is affected and trouble is brought, and provides a track translation type construction lifting workbench which is suitable for the conditions that the ground flatness of a construction area is poor and the construction process needs slow movement and propulsion, so that the stability of movement is improved, the requirement on the ground flatness is reduced.

The aim of the utility model is achieved by the following technical scheme:

the utility model provides a track translation formula construction elevating platform, construction elevating platform includes base, elevating platform and track case, follow the passageway that runs through around the horizontal direction in the base in advance, the track case movably is located the passageway, the top undercut of track case is equipped with the workspace, be equipped with the walking pneumatic cylinder in the workspace, the stiff end of walking pneumatic cylinder and the interior roof rigid coupling of passageway, the inside wall rigid coupling of the flexible end of walking pneumatic cylinder and workspace, the bottom of track case is equipped with a plurality of stabilizer blade rooms that distribute in proper order along track case length direction, be equipped with movable swing supporting component in the stabilizer blade room, be equipped with haulage rope realization series connection between a plurality of swing supporting components, the tip of haulage rope is connected with the flexible end of walking pneumatic cylinder. Each swing supporting component is connected to the telescopic end of the walking hydraulic cylinder after being connected in series by the traction rope, so that when the walking hydraulic cylinder contracts, namely the telescopic end moves backwards, the traction rope is driven at first, each swing supporting component is driven to be unfolded and supported on the ground, and the walking hydraulic cylinder further contracts to drive the base to translate relative to the track box.

The support leg is characterized in that a fixed shaft is arranged in the support leg chamber, the swing support assembly comprises a driving arm and a plurality of support leg grabbing parts, the driving arm is positioned at the top of the support leg grabbing parts and connected with the fixed shaft, a traction hole is formed in the upper portion of the driving arm, and a traction rope penetrates through the traction hole and is fixedly connected with the driving arm. The grab supporting foot can be exposed outside the supporting foot through swinging.

The traction rope is characterized in that a rope locking buckle is sleeved in the traction hole and comprises a rotating shaft and a sleeve, the rotating shaft is fixed in the traction hole, a hole is formed in the rotating shaft in a penetrating mode in the radial direction, the sleeve is arranged in the hole, a locking wire is arranged on the side wall of the sleeve, and the traction rope penetrates through the sleeve and is fixed through the locking wire. In order to improve the assembly flexibility and the adjustability of the traction rope, a rope locking buckle is arranged, and the position of the steel wire rope in the sleeve can be adjusted by loosening the locking wire.

And the fixed shaft is provided with an elastic traction component. Although each swing supporting component can only support the ground under the stress state, and has the supporting function and the ground grabbing function, an elastic traction component is preferably arranged on the rotation center (i.e. the fixed shaft) of each swing supporting component, so that the support feet can also automatically retract into corresponding support foot chambers in the track box under the traction-free state.

The elastic traction component adopts a torsion spring. The torsion spring enables the swing support assembly to be in a nearly transverse state under the unpowered condition. The elastic traction component is not limited to a mode of adopting a tension spring or a top spring to automatically retract the corresponding swing support component.

The grabbing supporting feet are in a single claw structure, a flat plate structure or transversely arranged spike tooth structures. The form of the contact portion below the swing support members for supporting and gripping is not limited, but a few common examples are shown in which a flat plate structure is traversing the bottom of the track box, with a flat plate structure and a spike tooth structure being preferred.

The swing support assembly further comprises an upper limiting block and a lower limiting block, wherein the upper limiting block is arranged on the upper side of the rotation direction of the driving arm and fixed on the inner wall of the supporting leg chamber, and the lower limiting block is arranged on the lower side of the rotation direction of the driving arm and fixed on the inner wall of the supporting leg chamber. Generally, transition overturning cannot occur when each swing support assembly is in a normal overturning range, but an upper limiting block and a lower limiting block are arranged at corresponding positions for improving the constraint on each swing support assembly.

The working area provided with the telescopic end of the walking hydraulic cylinder is provided with a limiting chute on the inner side wall, the limiting chute is distributed along the length direction of the working area, the telescopic end of the walking hydraulic cylinder is movably provided with a sliding block, the sliding block is movably positioned in the limiting chute, and the end part of the traction rope is connected with the sliding block.

And a pin shaft is arranged between the walking hydraulic cylinder and the sliding block for hinging.

The limiting sliding chute is provided with a limiting baffle table, the limiting baffle table is positioned at the rear end of the sliding block, and the end part of the traction rope is arranged on the sliding block. The 'back' of the back end is based on the fixed end of the walking hydraulic cylinder being positioned behind the telescopic end of the walking hydraulic cylinder.

The track box is also internally provided with a guide wheel, the guide wheel is positioned at the front end of the telescopic end of the walking hydraulic cylinder, and the end part of the traction rope is connected with the sliding block through the guide wheel. The guide wheel can improve the consistency of traction rope transmission.

The sliding block is provided with a fixing buckle, and the traction rope is fixed on the sliding block by the fixing buckle.

The inner side wall of the channel is provided with a rail wheel, both sides of the rail box are provided with rails matched with the rail wheel, and the rail wheel and the rails are matched to form a sliding relationship.

The track is protruding setting or is sunken setting, and when the track was protruding setting, the rail wheel that is located on the lateral wall of passageway same one side set up from top to bottom for the pair, leaves in the middle and just holds orbital space.

The inner top wall of the channel is provided with a fixed support, and the fixed end of the walking hydraulic cylinder is connected with the fixed support.

The bottom of base is equipped with a plurality of walking wheels, when the track case is fully received in the passageway, the base can accomplish the function of walking.

The track box comprises a main box body and an auxiliary box body, wherein the main box body is sleeved outside the auxiliary box body, the working area is arranged at the top of the main box body and the auxiliary box body, the telescopic end of the walking hydraulic cylinder is arranged on the main box body, the telescopic hydraulic cylinder is further arranged in the working area, the front end of the telescopic hydraulic cylinder is connected with the main box body, and the rear end of the telescopic hydraulic cylinder is connected with the auxiliary box body. The walking hydraulic cylinder and the telescopic hydraulic cylinder both cross the main box body and the auxiliary box body. The main box body and the auxiliary box body can be unfolded and contracted through the telescopic hydraulic cylinder.

After the auxiliary box body is completely contracted in the main box body, the whole length of the track box is not more than the length of the base;

after the auxiliary box body and the main box body are completely unfolded, the whole length of the track box is greater than that of the base. The whole track box can be completely hidden in the channel of the base under the non-working state, so that the size is reduced, the movement of the base is not influenced under the contracted state, and the normal rotation and the walking of the walking wheel are not particularly influenced.

The working area on the main box body is provided with a front fixing seat at the front end, the working area on the auxiliary box body is provided with a rear fixing seat at the rear end, and the telescopic hydraulic cylinder is arranged between the front fixing seat and the rear fixing seat.

The auxiliary box body is provided with a rope wheel chamber at the sleeving part with the main box body, a rope wheel is arranged in the rope wheel chamber (the rope wheel is installed through shaft holes on two side walls of the rope wheel chamber), the traction rope is wound in the rope wheel, and the outer edge of the rope wheel extends out of the rope wheel chamber and the auxiliary box body to be in contact with the inner wall of the main box body. When the main casing and the auxiliary casing are unfolded or locked, the rope wheel rolls due to the contact of the edges of the rope wheel.

The rope pulley comprises a pair of symmetrical disc bodies and a central shaft arranged between the pair of disc bodies, a gap for accommodating a traction rope is reserved between the pair of disc bodies, two ends of the central shaft are respectively positioned in shaft holes of the side wall of the rope pulley chamber, two parallel radial sliding grooves are respectively formed in two sides of the center of the disc body, the radial sliding grooves on the pair of disc bodies are opposite in position, fixing pieces (which can be sliding blocks or screw rods) are inserted into the radial sliding grooves opposite in position, the fixing pieces are parallel to the central shaft, the middle parts of the fixing pieces are positioned in the gap and sleeved with a rope guiding wheel (namely, the rope guiding wheel is positioned in the gap between the pair of disc bodies), and the traction rope is contacted with the outer edges of the rope guiding wheel and the central shaft. The rope guiding wheel can drive the traction rope to rotate together after the rope wheel rotates, so that the traction rope is wound in a gap at the inner side of the rope wheel.

The outer edge of the rope wheel is provided with an elastic layer (particularly a rubber layer) which can increase the rolling effect.

In order to increase the rolling effect, the inner wall of the part sleeved with the auxiliary box body of the main box body is provided with a rack, the outer edge of the rope wheel is provided with a gear, and the rack is in meshed connection with the gear.

The front end of flexible pneumatic cylinder is equipped with free front end supporting part, front end supporting part is located in the main tank body, is equipped with a plurality of sunken (sunken specifically being located grab the supporting legs) with front end supporting part looks adaptation on the swing supporting component that is located the main tank body front end, the rear end of flexible pneumatic cylinder is equipped with free rear end supporting part, rear end supporting part is located the auxiliary tank body, is equipped with a plurality of sunken with rear end supporting part looks adaptation on the swing supporting component that is located the auxiliary tank body rear end. When the telescopic hydraulic cylinder stretches, the rear end supporting part and the front end supporting part of the telescopic hydraulic cylinder can be respectively supported at the concave positions of the front and rear groups of swing supporting components, so that the front and rear swing supporting components are driven to be unfolded and supported on the ground, the main box body and the auxiliary box body are unfolded to reach the limit length position through the telescopic hydraulic cylinder, and meanwhile, the front and rear swing supporting components are unfolded and supported on the ground, so that the track box is connected and supported with the ground, a stable track seat is formed, and support is provided for the base to move on corresponding tracks through the track wheels.

The middle part of flexible pneumatic cylinder is equipped with fixed cover, fixed cover is connected with assisting the box.

The hauling rope adopts a steel wire rope.

The lifting workbench can be any workbench, including a scissor type lifting workbench, but the base is different from the base of the existing lifting workbench, and the utility model carries out structural design on the base.

According to the utility model, the track is built in the base, so that the base and the lifting workbench move on the track, and the telescopic end parts of the walking hydraulic cylinders can simultaneously drive the swinging support assemblies to be unfolded and supported on the ground when being locked, so that the base and the lifting workbench move on the track, the stability of movement is improved, the requirement on the ground flatness is reduced, and the lifting workbench is especially suitable for the conditions that the ground flatness of a construction area is poor and slow movement and propulsion are required in the construction process.

The track translation type construction lifting workbench can further control the base and the lifting workbench to move together in the same direction according to control of the walking hydraulic cylinder. The contraction of the walking hydraulic cylinder drives each swinging support component to expand at first and support the swinging support components on the ground. It should be noted that, when each swinging support component is unfolded, the base can be driven to slightly lift upwards, or only has a tendency of lifting upwards, but the lifting or lifting tendency makes the weight of the base, the lifting workbench and the staff not fully bear on the travelling wheel, i.e. makes the load of the travelling wheel lightened or even slightly separated from the ground. After further retraction of the travelling hydraulic cylinders, each rail wheel is caused to travel along the rail, and it can be seen that the travelling is no longer dependent on the travelling wheels on the base. The walking wheel is applied to the rapid walking and transferring of the road wheel directly supported on the ground in the non-working state, but the track translation type construction lifting workbench mainly depends on the cooperation walking of the track and the track wheel in the working state, so that the dangerous accident that the walking wheel is greatly influenced by the ground factor and topples over in the working process can be avoided. The track box stretches into position in advance, so that the base can walk on the track box stably.

The utility model can also realize the expansion and contraction of the main box body and the auxiliary box body through the telescopic hydraulic cylinder, the contracted lengths of the main box body and the auxiliary box body are close to the length of the base, the main box body and the auxiliary box body can be hidden in a channel in the base, the whole track box can be completely hidden under the base in a non-working state, so that the volume is reduced, and the normal rotation and walking of the walking wheels are not influenced in the contracted state.

Drawings

FIG. 1 is an external construction diagram of a track translation type construction lifting workbench according to the utility model;

FIG. 2 is a schematic view of another state of the track-translating work lift table of FIG. 1;

FIG. 3 is a schematic cross-sectional structural view of the interior of the base of the lift table of FIG. 1;

FIG. 4 is a schematic view of a structure of the lifting table of FIG. 1 with a portion of the base omitted;

FIG. 5 is a schematic view of the actuated state of FIG. 4;

fig. 6 is an enlarged structural view of a portion a in fig. 5;

fig. 7 is an enlarged structural view of a portion B in fig. 5;

FIG. 8 is a view showing the construction of an external appearance of another track box according to the present utility model;

FIG. 9 is a schematic view of the track box of FIG. 8 with the travel cylinders omitted;

FIG. 10 is a schematic view of the internal structure of the track box of FIG. 8;

fig. 11 is an enlarged structural view of a portion C in fig. 10;

fig. 12 is a top view of the sheave of fig. 11;

FIG. 13 is a schematic view of a construction of yet another track box of the present utility model;

fig. 14 is a schematic view of the unfolded state of fig. 13.

Reference numerals in the drawings: the lifting device comprises a base 1, a lifting workbench 2, a track box 3, a main box 3a, an auxiliary box 3b, a track 4, a track wheel 5, a working area 6, a walking hydraulic cylinder 7, a fixed support 8, a sliding block 9, a limiting sliding groove 10, a fixed shaft 11, a driving arm 12, a traction hole 13, a grabbing supporting leg 14, an upper limiting block 15, a lower limiting block 16, a rope locking buckle 17, a guide wheel 18, a traction rope 19, a fixed buckle 20, a telescopic hydraulic cylinder 21, a rear fixed seat 22, a front fixed seat 23, a supporting leg chamber 24, a rope wheel chamber 25, a rope wheel 26, a rack 27, a central shaft 28, a radial sliding groove 29, a rope guiding wheel 30, a rear end supporting part 31, a front end supporting part 32, a fixed sleeve 33, a limit blocking table 34, a walking wheel 35, a disc 36 and a fixed piece 37.

Detailed Description

The utility model will now be described in detail with reference to the drawings and specific examples. The azimuth in the embodiment is based on the azimuth shown in the drawings, and can be set according to actual conditions in actual use.

Example 1

As shown in fig. 1, 2, 3, 4, 5, 6 and 7, the track translation type construction lifting workbench is applied to a construction site, and is particularly suitable for places where the ground flatness of a construction area is poor and the lifting workbench needs to gradually move along with the construction progress.

As shown in fig. 1, 2, 3 and 4, the construction lifting workbench 2 comprises a base 1, a lifting workbench 2 (which can be any existing lifting workbench, for example, a scissor type lifting workbench) and a track box 3, a plurality of travelling wheels 35 are arranged at the bottom of the base 1, a front-back penetrating channel (the base 1 can be in an inverted U-shape) is reserved in the base 1 along the horizontal direction, track wheels 5 are arranged on the inner side wall of the channel, tracks 4 matched with the track wheels 5 are arranged on two sides of the track box 3, sliding relations are formed between the track wheels 5 and the track wheels 4 in a matched mode, the track wheels 4 can be arranged in a protruding mode or in a recessed mode, when the track 4 is arranged in a protruding mode, the track wheels 5 on the side wall on the same side of the channel are arranged up and down in a paired mode, and a space for exactly accommodating the track 4 is reserved in the middle, namely, a matched installation mode of the track wheels and the track is shown in fig. 3.

As shown in fig. 6, the top of the track box 3 is provided with a working area 6 in a downward concave manner, a walking hydraulic cylinder 7 is arranged in the working area 6, a fixed support 8 is arranged on the inner top wall of the channel, the fixed end of the walking hydraulic cylinder 7 is hinged with the fixed support 8, the front end of the working area 6 is provided with a limiting chute 10 on the inner side wall, the limiting chute 10 is distributed along the length direction of the working area 6, the telescopic end of the walking hydraulic cylinder 7 is provided with a pin shaft, a sliding block 9 is hinged on the pin shaft, the sliding block 9 is movably positioned in the limiting chute 10, a limit baffle 34 is arranged in the limiting chute 10, the limit baffle 34 is positioned at the rear end of the sliding block 9, and a fixing buckle 20 can be arranged on the side wall of the sliding block 9.

As shown in fig. 5, the bottom of the track box 3 is provided with a plurality of leg chambers 24 sequentially distributed along the length direction of the track box 3, and part or all of the leg chambers 24 are internally provided with swinging support components, and a traction rope 19 is arranged among the swinging support components to realize series connection, and the structural form of the swinging support components is not limited, and is usually in a swinging rod form. The embodiment provides a specific structure, as shown in fig. 7, a fixed shaft 11 is disposed in a supporting leg chamber 24, an elastic traction component is disposed on the fixed shaft 11, for example, a torsion spring is adopted, a swinging support component includes a driving arm 12 and a plurality of supporting legs 14 for grabbing and supporting, the driving arm 12 is located at the top of the supporting legs 14 for grabbing and supporting, a shaft hole is disposed in the middle of the driving arm 12, the driving arm is connected with the fixed shaft 11 through the shaft hole, a traction hole 13 is disposed at the upper part of the driving arm 12, a rope locking buckle 17 is sleeved in the traction hole 13, the rope locking buckle 17 includes a rotating shaft and a sleeve, the rotating shaft is fixed in the traction hole 13, a hole is radially formed in the rotating shaft in the sleeve, the sleeve is disposed in the hole, a locking wire is disposed on a side wall of the sleeve, the traction rope 19 passes through the sleeve and is fixed by the locking wire, an end of the traction rope 19 is connected with a sliding block 9, one traction rope sequentially passes through the traction holes in each swinging support component for serial connection, and the front end of the traction rope is penetrated through the front end side wall of a working area and is fixed on the sliding block 9 by the fixing buckle 20.

The grab support foot 14 may take the form of a single claw structure, a flat plate structure, or a transversely disposed spike tooth structure.

The swing support assembly further includes an upper stopper 15 and a lower stopper 16, the upper stopper 15 is disposed at an upper side of the rotation direction of the driving arm 12 and is fixed on an inner wall of the leg chamber 24, and the lower stopper 16 is disposed at a lower side of the rotation direction of the driving arm 12 and is fixed on an inner wall of the leg chamber 24.

The track box 3 is also provided with a guide wheel 18, the guide wheel 18 is positioned at the front end of the telescopic end of the walking hydraulic cylinder 7, and the end part of the traction rope 19 is connected with the sliding block 9 through the guide wheel 18.

Based on the above structural form of the present embodiment, the track translation type construction lifting workbench can further control the base 1 and the lifting workbench 2 to move together in the same direction according to the control of the traveling hydraulic cylinder 7. The contraction of the walking hydraulic cylinder 7 firstly drives each swinging support component to expand and support the swinging support components on the ground. It should be noted that, when each swinging support assembly is unfolded, the base 1 can be driven to slightly lift upwards, or only has a tendency to lift upwards, but the lifting or lifting tendency makes the weight of the base 1, the lifting table 2 and the staff not fully bear on the travelling wheels 35, i.e. makes the load of the travelling wheels 35 be reduced or even slightly separated from the ground. After further retraction of the travelling hydraulic cylinders 7, each rail wheel 5 is caused to travel along the rail 4, which travel is seen to be independent of the travelling wheels 35. The walking wheel 35 is applied to the rapid walking and transferring of the road surface directly supported in the non-working state, but the track translation type construction lifting workbench mainly depends on the cooperation walking of the track and the track wheel in the working state, so that the dangerous accident that the walking wheel is greatly influenced by the factors of the ground in the working process and falls down can be avoided. The track box is extended in advance to the position shown in fig. 1 and 2, so that the base can walk on the track box stably. Of course, for the place where the ground flatness of the construction area is high, the track box function of the track translation type construction lifting workbench can be not used any more, and the track box can still move and walk by means of the original walking wheels. However, the track-translating type construction lifting workbench according to the present embodiment is not significantly longer than the base as shown in fig. 1-3, and the track box is shown to have a longer size to provide a larger forward-backward movement range, but the track box is designed to be approximately equal to the base in length, and still can achieve its function through the above-described structural form.

Example 2

As shown in fig. 8 and 9, on the basis of the construction of the track translation type construction lifting workbench in embodiment 1, the track box 3 is further designed to be a combined track box, and is obtained by matching and sleeving the main box 3a and the auxiliary box 3b, so that free expansion and contraction are realized. As shown in fig. 8 and 9, the main casing 3a is sleeved outside the auxiliary casing 3b, the working area 6 is arranged at the top of the main casing 3a and the auxiliary casing 3b, the telescopic end of the walking hydraulic cylinder 7 is arranged at the front end of the main casing 3a, the limiting chute 10 is also positioned at the front end of the main casing 3a, the telescopic hydraulic cylinder 21 is also arranged in the working area 6, the front end of the working area 6 positioned on the main casing 3a is provided with a front fixing seat 23, the rear end of the working area 6 positioned on the auxiliary casing 3b is provided with a rear fixing seat 22, the telescopic hydraulic cylinder 21 is arranged between the front fixing seat 23 and the rear fixing seat 22, and the walking hydraulic cylinder 7 and the telescopic hydraulic cylinder 21 both span the main casing 3a and the auxiliary casing 3b.

Wherein, the size of assisting box and main tank satisfies: after the auxiliary box body 3b is completely contracted in the main box body 3a, the whole length of the track box 3 is not larger than the length of the base 1, the contracted length of the track box 3 is preferably close to the length of the base 1, the track box can be hidden in a channel in the base 1, after the auxiliary box body 3b and the main box body 3a are pushed by the telescopic hydraulic cylinder 21 to be completely unfolded, the whole length of the track box 3 is larger than the length of the base 1, and the unfolded combined track box is identical to the integrated track box 3 in the embodiment 1, so that the same functions as the embodiment 1 can be realized after the track box and the main box are unfolded.

Example 3

On the basis of embodiment 2, when the combined track box is implemented by using the main box 3a and the auxiliary box 3b, the problem of the remaining amount of the contracted steel wire rope is required to be considered. As shown in fig. 10 and 11, in this embodiment, a rope pulley chamber 25 is provided at the position of the auxiliary box 3b sleeved with the main box 3a, shaft holes are provided on both side walls of the rope pulley chamber 25, a rope pulley 26 is provided in the rope pulley chamber 25, the rope pulley 26 is mounted through the shaft holes, the traction rope 19 is wound in the rope pulley 26, the outer edge of the rope pulley 26 extends out of the rope pulley chamber 25 and the auxiliary box 3b (i.e. the auxiliary box is provided with a long groove for the rope pulley 26 to extend out) and contacts with the inner wall of the main box 3a, and an elastic layer is provided on the outer edge of the rope pulley 26. (in addition, it is to be noted that in this embodiment, there are two cases, the first case is not in contact, whether or not the sheave 26 is in contact with the auxiliary casing 3b, and the second case does not exclude the case of contact (no experiment). In principle, the sheave 26 can be driven to rotate by the push-pull force during the push-pull of the main casing and the auxiliary casing. The second case is as in embodiment 5).

Example 4

The sheave was further designed based on example 3.

As shown in fig. 12, the sheave 26 includes a pair of symmetrical disks 36 and a central shaft 28 disposed between the pair of disks 36, a gap for accommodating the traction rope 19 is provided between the pair of disks 36, both ends of the central shaft 28 are respectively disposed in the shaft holes of the side walls of the sheave chamber 25, the disks 36 are respectively provided with a pair of parallel radial sliding grooves 29 on both sides of the center of the disks 36, the radial sliding grooves 29 on the pair of disks 36 are opposite, a fixing piece 37 (which may be a slider or a screw rod and can be locked at any position in the sliding grooves 29 so as to adjust the degree of winding the traction rope) is inserted into each pair of opposite radial sliding grooves 29, the fixing piece 37 is parallel to the central shaft 28, the middle of the fixing piece 37 is disposed in the gap and is sleeved with the guide sheave 30 (i.e., the guide sheave 30 is disposed in the gap between the pair of disks 36), a groove is provided between the two guide sheaves on the parallel radial sliding grooves 29, and the traction rope 19 passes through the groove and contacts with the outer edge of one of the guide sheave 30 and the central shaft 28.

Example 5

The sheave, the main casing, and the auxiliary casing were designed based on example 3 or example 4.

At this time, the outer edge of the sheave is not provided with an elastic layer, the main casing 3a is provided with a rack 27 on the inner wall of the portion sleeved with the auxiliary casing 3b, the outer edge of the sheave 26 is provided with a gear, the rack 27 is engaged with the gear (here, the main casing 3a is located inside, the auxiliary casing 3b is located outside, the sheave 26 is located at the inside end of the main casing 3a, but, there is a hollowed structure at the end of the main casing 3a so that the sheave 26 can protrude a small amount and contact the auxiliary casing 3 b), so that the sheave 26 can be directly driven to rotate when the main casing 3a and the auxiliary casing 3b are stretched.

Example 6

The telescopic cylinder 21 is designed based on example 2 or example 3 or example 4 or example 5.

As shown in fig. 13 and 14 (the arrow in fig. 14 indicates the extending direction of the track box), the front end of the telescopic hydraulic cylinder 21 is provided with a free front end supporting portion 32, the front end supporting portion 32 is located in the main box 3a, a plurality of concave portions adapted to the front end supporting portion 32 are sequentially provided on the side portion along the length direction on the grasping support leg 14 of the swing support assembly located at the forefront end of the main box 3a, the rear end of the telescopic hydraulic cylinder 21 is provided with a free rear end supporting portion 31, the rear end supporting portion 31 is located in the auxiliary box 3b, and a plurality of concave portions adapted to the rear end supporting portion 31 are sequentially provided on the side portion along the length direction on the grasping support leg 14 of the swing support assembly located at the rearmost end of the auxiliary box 3b (in addition, note that in this portion, the swing support assembly is the grasping support leg 14, the inner side edge of the grasping support leg 14 has two upper and lower clamping grooves corresponding to two swing states: when in the extending state, the front and rear end supporting portions are supported vertically in the upper clamping grooves; in either state, one of the upper and lower clamping grooves can be butted with the front and rear end supporting parts as shown in fig. 13 and 14, so that the telescopic hydraulic cylinder is not required to lift and move in both states, and only the telescopic hydraulic cylinder is required to move in a telescopic manner. The present embodiment provides a way of directly driving the back and forth swing support assembly by the telescopic hydraulic cylinder 21 while expanding in one step, so that the structure is simplified and the operation is simple.

Example 7

As shown in fig. 13 and 14, on the basis of embodiment 2, embodiment 3, embodiment 4, embodiment 5, or embodiment 6, the telescopic hydraulic cylinder 21 is designed, a fixing sleeve 33 is arranged in the middle of the telescopic hydraulic cylinder 21, the fixing sleeve 33 is connected with the auxiliary box 3b, the main box and the rich box are mutually sleeved, the hydraulic cylinder simultaneously has two functions of driving the telescopic and driving the swinging support assembly to expand and contract, and no rope wheels or ropes are needed, so that no division of a working area and a track box is needed, and only the main box and the auxiliary box which are mutually sleeved are provided.

The above-described embodiments of the present utility model are merely for illustrating or explaining the principles of the present utility model, and are not to be construed as limiting the present utility model, and the present utility model may be modified in other ways based on the above embodiments, for example, the way in which the rail box 3 is fitted to the channel under the base 1, the rail wheel is fitted to the rail box, is not limited to the way in which the above embodiments show, but includes any way in which the rail box and the base can be assembled and extended in a rail manner. For example, the structural form of the oscillating support member is changed but still a partial modification of the above functions is achieved.

The previous description of the embodiments is provided to facilitate a person of ordinary skill in the art in order to make and use the present utility model. It will be apparent to those skilled in the art that various modifications can be readily made to these embodiments and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present utility model is not limited to the above-described embodiments, and those skilled in the art, based on the present disclosure, should make improvements and modifications without departing from the scope of the present utility model.

Claims

1. The utility model provides a track translation formula construction elevating platform, includes base (1) and elevating platform (2), its characterized in that, in reserving the passageway that runs through around in base (1), match the cover in the passageway and be equipped with track case (3), the both sides of track case (3) are provided with protruding or sunken track (4), with track wheel (5) cooperation assembly that installs on the passageway inner wall forms sliding relationship, be provided with sunken working area (6) in track case upside, be located this working area (6) endotheca and be equipped with walking pneumatic cylinder (7), the cylinder body rear end of this walking pneumatic cylinder pass through fixed support (8) articulated in base passageway top, the flexible tip connection of walking pneumatic cylinder in the front side of track case working area the bottom of track case (3) is provided with a plurality of stabilizer blade rooms (24), is provided with swing supporting part in part or all stabilizer blade rooms (24) through fixed axle (11), and each swing supporting part passes through the flexible end connection of transmission part and walking pneumatic cylinder (7) for the flexible tip of walking pneumatic cylinder can drive each swing supporting part simultaneously and support in the expansion ground when locking.

2. The track translation type construction lifting workbench according to claim 1, wherein a sliding block (9) is hinged to the telescopic end of the walking hydraulic cylinder through a pin shaft, meanwhile, a sliding groove (10) for assembling the sliding block (9) is formed in the front side of the working area, a limit stop (34) is arranged at the rear end of at least the sliding groove (10), each swinging supporting component is connected to the end of the sliding block (9) after being connected in series through a steel wire rope (19), so that when the walking hydraulic cylinder contracts to drive the sliding block (9) to retract backwards, the steel wire rope (19) is firstly pulled to drive each swinging supporting component to be unfolded and supported on the ground, and the walking hydraulic cylinder further contracts to drive the base (1) to translate relative to the track box (3).

3. The track translation type construction lifting workbench according to claim 2, wherein the swinging support component comprises a shaft hole in the middle, the shaft hole is sleeved on a corresponding fixed shaft (11), a driving arm (12) at the upper end and a grabbing support leg (14) at the lower part, a traction hole is formed at the tail end of the driving arm (12), and the steel wire rope (19) is sequentially and serially fixed in each traction hole.

4. A track translation type construction lifting workbench according to claim 3, wherein a rope locking buckle (17) is sleeved in the traction hole, the rope locking buckle (17) comprises a rotating shaft sleeved in the traction hole, a hole is formed in the rotating shaft in a penetrating mode in the radial direction, a sleeve is sleeved in the hole, jackscrews are arranged on the side wall of the sleeve, the steel wire ropes (19) are fixed by locking wires after penetrating through the sleeves, and the positions of the steel wire ropes in the sleeves can be adjusted by loosening the locking wires.

5. The track translation type construction lifting workbench according to any one of claims 2-4, wherein a guide wheel (18) is arranged on the front side of the track box (3), and the tail end of the steel wire rope (19) is positioned on the front side of the track box and is fixed on the side wall of the sliding block (9) through a fixing buckle (20) after being guided by the guide wheel (18).

6. A track-translating construction lift table according to claim 3, characterized in that the fixed shaft (11) is fitted with elastic traction means to retract the support feet (14) in the foot chambers (24) of the track box in a traction-free condition.

7. The track-translating work lifting platform of claim 6, wherein the elastic traction member is a torsion spring mounted on a fixed shaft (11), the torsion spring placing the swing support member in a nearly transverse position under unpowered conditions.

8. The track translation type construction hoist table according to claim 1, characterized in that an upper stopper (15) fixed to the track box is provided at an upper side in a rotation direction of the swing supporting member, and a lower stopper (16) fixed to the track box is provided at a lower side.

9. The track-translating work lifting platform of claim 1 wherein the swing support member is a flat plate structure traversing the bottom of the track box or a laterally disposed spike tooth structure.

10. The track translation type construction lifting workbench according to claim 1, wherein the track box (3) comprises a main box body (3 a) and an auxiliary box body (3 b), the main box body (3 a) and the auxiliary box body (3 b) are matched and are assembled together and can stretch out and draw back, a telescopic hydraulic cylinder (21) is connected between the main box body (3 a) and the auxiliary box body (3 b), the front end of the telescopic hydraulic cylinder (21) is connected to the front end of the main box body (3 a) through a front fixing seat (23), and the rear end of the telescopic hydraulic cylinder (21) is connected to the rear end of the auxiliary box body (3 b) through a rear fixing seat (22).