CN206767397U - A kind of building hoist of safety up and down - Google Patents

Abstract

The utility model discloses a kind of building hoist of safety up and down, including pylon, the cage being assemblied on pylon, the drive device that driving cage moves up and down along pylon, cage includes setting cage body, it is located on cage body close to the front door of building, it is located at the back door away from building on cage body, cage body, front door, back door surrounds accommodating chamber jointly, accommodate and the pedal parallel with accommodating chamber madial wall is rotatably connected to by connector at one jiao of front door bottom in chamber interior walls, when pedal is parallel with accommodating chamber madial wall, pedal topmost arrives the distance of pedal bottom more than the distance between front door to building；Pedal can surround the rotation that connector does horizontal direction, one side upset that pedal is connected with connector can be surrounded again, so that pedal is connected to accommodating chamber bottom surface, the pedal for being used for filling up space between cage and building is provided with cage, so that worker in the air up and down cage when safer, the advantages of erection of pedal is convenient and swift.

Description

A kind of building hoist of safety up and down

Technical field

Building machinery field is the utility model is related to, more particularly to a kind of building hoist of safety up and down.

Background technology

Building hoist is called construction elevator for building, is referred to as outdoor elevators, building site bird cage.It is in building The manned cargo-carrying construction machinery being commonly used, it is mainly used in the construction of the buildings such as the interior and exterior finishes of skyscraper, bridge, chimney. Because its unique body structure allows workmen to take not only comfortable but also safety.Building hoist is typically to match somebody with somebody on-site Tower crane is closed to use.

The Chinese patent that authorized announcement date is CN203568628U, authorized announcement date is on 04 30th, 2014 discloses one Kind building hoist, including the drive device that guide rail bracket, cage, driving hanging wheel move along guide rail bracket, guide rail bracket are provided with band There is the safety line of self-locking device.Prior art by drive device in use, drive cage along guide rail bracket in vertical direction Motion.Realize the purpose by constructor and construction transport of materials to different height.

It is in place of the deficiencies in the prior art, in the prior art in order that obtaining cage enough smoothnesses in motion process, protects Demonstrate,prove safety of the cage in motion process and often cause certain distance between cage and building be present, but this set causes After constructor takes cage climb to altitude, enter inside the cage when being constructed in building, it is necessary to across cage and building Between space so that constructor's great danger of the process of cage above and below high-altitude.

Utility model content

The purpose of this utility model is to provide a kind of building hoist of safety up and down, which solves between cage and building Space be present, worker in the air up and down cage, across the problem of danger, having and set on cage during space between cage and building Have the pedal for filling up space between cage and building so that worker in the air up and down cage when safer, running-board bracket If the advantages of convenient and swift.

Above-mentioned technical purpose of the present utility model technical scheme is that：

A kind of safe building hoist up and down, including pylon, the cage being assemblied on pylon, driving cage are along pylon The drive device of up and down motion, cage include setting cage body, are located on cage body close to the front door of building, are located at cage Back door away from building on body, cage body, front door, back door surround accommodating chamber jointly, on the inwall of accommodating chamber before The pedal parallel with accommodating chamber madial wall is rotatably connected to by connector at one jiao of the bottom of door；Pedal can surround connector The rotation of horizontal direction is done, one side upset that pedal is connected with connector can be surrounded again so that pedal is connected to accommodating chamber bottom Face.

Using said structure, the pedal with cage rotation connection is provided with cage, and pedal can do the water around connector Square to rotation, pedal can surround one side for be connected with connector of pedal and overturn again, then when user needs to use pedal, head First so that pedal does the rotation of horizontal direction around connector so that pedal is parallel with front door, now rotates pedal so that pedal Rotated around one side that pedal is connected with connector, so that abutted between pedal and building, pedal and accommodating chamber inner bottom surface, It may be such that pedal covers the gap between cage and building.During so that user needing to pass through accommodating chamber, it can trample and step on On plate.So that user's oscilaltion machine is safer.Since when pedal is parallel with accommodating chamber madial wall, the one of pedal the top Side to the side of pedal bottom distance be more than front door to build the distance between.So that pedal has part pedal after setting up Positioned at architectural, part pedal is located on accommodating chamber inner bottom surface, then accommodating chamber inner bottom surface is respectively provided with support with building for pedal Power so that the pedal set up is more stable so that worker walks safer on pedal.

More preferably：Connector include being rotatably connected on accommodate chamber interior walls at one jiao of front door bottom and it is vertical The first bearing pin, the second bearing pin with the rotation connection of the first bearing pin, the second bearing pin is vertically arranged with the first bearing pin, and pedal is connected to On second bearing pin and pedal and the second bearing pin synchronous axial system.

Using said structure, connector is used as by the first bearing pin, the second bearing pin, has used simple structure to realize Pedal rotates in both direction.When pedal needs the rotation of horizontal direction, it is only necessary to so that pedal around the first bearing pin rotate, it is necessary to When pedal is around one side that pedal is connected with connector upset, it is only necessary to so that pedal is overturn around the second bearing pin so that control The rotation of pedal processed and turning operation are convenient and swift.

More preferably：Accommodating chamber side wall is provided with locating part, pedal be limited part it is spacing when, pedal is fully located at appearance Receive interior and parallel with accommodating chamber side wall.

Said structure is used, because pedal can do the rotation of both direction so that when cage moves, pedal may be spontaneous The material in upset extruding accommodating chamber, or worker of the extruding in accommodating chamber occurs.The setting of accommodating chamber upper limit part causes Pedal is limited in accommodating chamber side-walls, and when cage moves, pedal is not easy spontaneous generation and significantly overturns or rotate.So that Worker and material in accommodating chamber is safer.

More preferably：Locating part include be located in the side wall that accommodating chamber is connected with the first bearing pin limited block, be located at The stopper slot coordinated on limited block and with pedal clearance, accommodating chamber are provided with the slip slided for limited block close to the side wall of pedal Groove, part limited block are located in sliding groove and are slidably connected with sliding groove, the spacing channel opening of limited block set towards seat board and Limited block does the motion closer or far from pedal along sliding groove.

Using said structure, accommodating chamber madial wall is provided with sliding groove, is provided with what is be slidably connected with sliding groove in sliding groove Limited block, then when user needs spacing pedal, it is only necessary to slide limited block so that pedal is located in the stopper slot in limited block, Because limited block is always positioned in sliding groove, then pedal is caused only to do upset and rotation by a small margin in stopper slot. It is achieved thereby that for the spacing of pedal, for cage in motion, pedal is not easy spontaneous be subjected to displacement.So that in accommodating chamber Worker and material it is safer.

More preferably：Accommodating chamber is provided with locating piece on the medial surface of sliding groove, is provided with locating piece and is slided with locating piece The locating rod of dynamic connection, locating rod do the motion closer or far from limited block, locating rod are corresponded on limited block and is provided with locating slot, fixed Limited block is limited when position bar is located in locating slot；During limited block spacing pedal, the distance of limited block to connector is equal to positioning Distance of the block away from connector, and when locating rod is plugged in locating slot, limited block is spacing by pedal.

Using said structure, locating rod is plugged in locating slot by user, and now part locating rod is located in locating piece, Part locating rod is located in limited block, and locating piece is in fixed accommodating chamber side wall, then is realized by locating rod for limit Position block it is spacing.User is facilitated for the spacing of limited block.User for limited block it is spacing after, limited block limits pedal The position of limited block is not susceptible to change behind position so that the position of pedal is more stable so that when hanging basket rises, in hanging basket Worker and material it is safer.

More preferably：When pedal is parallel with accommodating chamber side wall, pedal is away from connector and parallel with accommodating chamber one Face is provided with boss, and now one end of boss is located at the one side that pedal abuts with accommodating chamber inner bottom surface, is set in boss There is reinforcing groove, when pedal is parallel with accommodating chamber side wall, reinforces channel opening and be located at boss close to one end of accommodating chamber bottom surface；Accommodate Corresponding groove of reinforcing is provided with the reinforcing bar being slidably connected with accommodating chamber bottom surface on indoor bottom surface, and reinforcing bar coordinates with reinforcing groove gap； Reinforcing bar is provided with the reinforcement block that is synchronized with the movement with reinforcing bar, and accommodating chamber bottom surface is provided with the of the strip that is slided for reinforcement block One through hole, first through hole are set with reinforcing bar diameter parallel, and reinforcement block is located in first through hole and reinforcement block is no more than accommodating chamber Bottom surface set, control reinforcement block slided in first through hole along first through hole, then reinforcing bar done together with reinforcement block it is close or Away from the motion for reinforcing groove.

Using said structure, pedal one side is provided with boss, is provided with boss and reinforces groove, and on accommodating chamber inner bottom surface The reinforcing bar being slidably connected during provided with accommodating, then after user sets up pedal, promote reinforcing bar so that reinforcing bar is inserted Reinforce in groove, and one end of reinforcing bar is located in accommodating chamber bottom surface positioned at one end in groove is reinforced.It may be such that reinforcing bar pair Pedal applies the effect reinforced.When pedal has reclinate trend, reinforcing bar can rely on accommodating chamber bottom surface to apply one to pedal Fixed reaction force.So that it is more stable to set up good pedal so that worker is safer in walking, loading and unloading on pedal. The setting of reinforcement block in reinforcing bar so that when user needs to promote reinforcing bar, it is only necessary to promote reinforcement block to may be such that reinforcing bar The control for facilitating user for reinforcement block displacement is moved with reinforcement block.Reinforcement block is set no more than accommodating chamber inner bottom surface Put so that rotation influence of the reinforcement block for pedal is small, and the influence of worker of the reinforcement block for being walked in accommodating chamber is small.

More preferably：The clamping bar being slidably connected with accommodating chamber is provided with accommodating chamber inner bottom surface, clamping bar is accommodating The motion closer or far from reinforcing bar is done on indoor bottom surface, clamping bar is corresponded on reinforcement block and is provided with the clamping coordinated with clamping bar Hole, when clamping bar in part is located in blocked hole, reinforcing bar is limited so that reinforcing bar is not susceptible to significantly displacement；On clamping bar Provided with the clamping block being slidably connected with accommodating chamber bottom surface, clamping block is corresponded on accommodating chamber inner bottom surface and is provided with the length slided for clamping block Second through hole of strip, the second through hole is parallel with clamping bar, and clamping block is always positioned in blocked hole and clamping block is no more than receiving Intracavitary bottom surface is set；Pedal abuts with accommodating chamber inner bottom surface with building, pedal and during pedal horizontal, and clamping block is to reinforcing in groove The distance between bottom land is equal to the distance between reinforcement block to reinforcing groove bottom land.

Using said structure, clamping bar is slidably connected in accommodating chamber inner bottom surface, then enters to reinforce groove by reinforcing bar grafting When interior and reinforcing bar abuts with reinforcing groove bottom land, clamping bar is inserted in blocked hole and may be such that reinforcement block is spacing by clamping bar, So that reinforcing bar is limited so that the generation hair amplitude displacement that reinforcing bar will not be spontaneous, ensure that reinforcing bar can be normal Play the reinforcement effect of reinforcing bar.So that worker, in walking on pedal or blanking, the position of reinforcing bar is more stable, then causes Pedal is more stable so that worker is safer on pedal.Clamping block is set no more than accommodating chamber inner bottom surface so that clamping block Rotation influence for pedal is small, and the influence of worker of the clamping block for being walked in accommodating chamber is small.

In summary, the utility model has the advantages that：It is provided with accommodating chamber and is stepped on what accommodating chamber was rotatablely connected Plate so that cage carries pedal all the time, is not in that user leaves behind pedal seating cage so that user exists During aerial blanking the problem of operational hazards.Pedal is rotatably connected in cage side wall using the first bearing pin and the second bearing pin, is used Simple structure realizes rotation of the pedal in both direction.When user needs to use pedal, it is only necessary to pedal is first rotated, it Afterwards so that pedal upset can set up pedal, erection of the user for pedal is facilitated.Pedal has boss, strengthens Be provided with block and reinforce groove, be provided with reinforcing bar in accommodating chamber bottom surface, user need reinforcement pedal when so that reinforcing bar grafting enters to add Gu in groove, you can pedal is reinforced using reinforcing bar and accommodating chamber bottom surface so that pedal is more stable so that positioned at pedal On worker it is safer.The reinforcement block that reinforcing bar is provided with is provided with buckling groove, and clamping bar is provided with accommodating chamber inner bottom surface, will Clamping bar grafting, which is entered in buckling groove, may be such that reinforcing bar is limited so that reinforcing bar is more stable, ensure that the reinforcing bar moment Its reinforcement effect can be played so that pedal is safer.

Brief description of the drawings

Fig. 1 is the dimensional structure diagram of embodiment；

Fig. 2 is the dimensional structure diagram of embodiment cage；

Fig. 3 is Fig. 2 A portions structure enlargement diagram；

Fig. 4 is the part-structure exploded perspective view of embodiment, it illustrates：Cage body is provided with the one side of locating part, limit Position part, sliding groove, locating rod, locating piece, locating slot；

Fig. 5 is the positive structure diagram of embodiment cage；

Fig. 6 is Fig. 5 A-A portions structural representation；

Fig. 7 is the side structure schematic view of embodiment cage；

Fig. 8 is Fig. 7 B-B portions structural representation；

Fig. 9 is Fig. 8 B portions structure enlargement diagram.

In figure, 1, pylon；2nd, cage body；3rd, front door；4th, back door；5th, accommodating chamber；6th, pedal；7th, connector；701st, One bearing pin；702nd, the second bearing pin；8th, locating part；801st, limited block；802nd, stopper slot；9th, sliding groove；10th, locating piece；11st, position Bar；12nd, locating slot；13rd, boss；14th, groove is reinforced；15th, reinforcing bar；16th, reinforcement block；17th, first through hole；18th, clamping bar； 19th, blocked hole；20th, clamping block；21st, the second through hole；22nd, fixing groove.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but As long as all protected in the scope of protection of the utility model by Patent Law.

Embodiment：A kind of building hoist of safety up and down, as shown in figure 1, including pylon 1, being assemblied in hanging on pylon 1 The drive device that cage, driving cage move up and down in pylon 1（Not shown in figure）.

With reference to 1, Fig. 3, cage includes cage body 2, close to building（Not shown in figure）Front door 3, away from building Back door 4（Reference picture 5）, front door 3, back door 4（Reference picture 5）, cage body 2 surround accommodating chamber 5 jointly, on the inwall of accommodating chamber 5 The first vertical bearing pin 701 is provided with one jiao of 3 bottom of front door, is rotatablely connected with the first bearing pin 701 and with the first bearing pin 701 The second vertical bearing pin 702 of axis, the pedal 6 with the synchronous axial system of the second bearing pin 702 is connected with the second bearing pin 702, and pedal 6 is remote From with a distance from the side of the second bearing pin 702 to the second bearing pin 702 the distance between building is arrived more than front door 3.First bearing pin 701 with Second bearing pin 702 collectively forms connector 7.

Reference picture 1, Fig. 4, pedal 6 is corresponded in the side wall of accommodating chamber 5 and is provided with horizontal sliding groove 9, sliding groove 9 is away from pedal 6 One end to front door 3 horizontal range be more than pedal 6 it is parallel with the side wall of accommodating chamber 5 when, before the one end of pedal 6 away from front door 3 is arrived The distance of door 3.The limited block 801 being slidably connected with sliding groove 9 is provided with sliding groove 9, is provided with limited block 801 between pedal 6 The stopper slot 802 that gap coordinates, the opening of stopper slot 802 is towards pedal 6, and limited block 801 is interior along sliding groove 9 in sliding groove 9 Do the motion closer or far from pedal 6.It is spacing to be limited block 801 for pedal 6 when pedal 6 is located in stopper slot 802 so that pedal 6 The first bearing pin 701 can not be surrounded（Reference picture 3）Do and significantly rotate.The side wall of accommodating chamber 5 provided with sliding groove 9 is provided with positioning Block 10, locating piece 10 slidably connect vertical locating rod 11, and locating piece 10 and the horizontal range at front door 3 for pedal 6 and accommodate The one end of pedal 6 away from front door 3 is to the distance at front door 3 when the side wall of room 5 is parallel, correspond on limited block 801 locating rod 11 be provided with The locating slot 12 that locating rod 11 coordinates.When locating rod 11 is located in locating slot 12, limited block 801 is positioned bar 11 and locating piece 10 It is spacing so that limited block 801 is not easy that significantly displacement occurs along sliding groove 9.Limited block 801 collectively forms with stopper slot 802 Locating part 8.

Reference picture 5, Fig. 6, the fixing groove 22 parallel with the side wall of accommodating chamber 5 is provided with the bottom surface of accommodating chamber 5, is set in fixing groove 22 There is the reinforcing bar 15 being slidably connected with fixing groove 22, reinforcing bar 15 is vertical with front door 3, and reinforcing bar 15 is fixed at accommodating chamber 5 There is reinforcement block 16, reinforcement block 16 is corresponded on the inner bottom surface of accommodating chamber 5 and is provided with and is led to the first of the strip of the gap of reinforcement block 16 cooperation Hole 17, first through hole 17 and the diameter parallel of reinforcing bar 15, reinforcement block 16 be located in first through hole 17 and the upper surface of reinforcement block 16 and Accommodating chamber 5（Reference picture 1）Inner bottom surface flushes.User is by controlling the reinforcement block 16 of reinforcement block 16 to be transported along first through hole 17 It is dynamic, you can so that reinforcing bar 15 does the motion closer or far from pedal 6 in fixing groove 22.

Reference picture 2, Fig. 6, horizontal boss 13, the frame of pedal 6 are provided with building the one side abutted when pedal 6 has been set up It is provided with if boss 13 is parallel with reinforcing bar 15 when good, in boss 13 and reinforces groove 14, the depth for reinforcing groove 14 is less than reinforcing bar 15 length, and the opening for reinforcing groove 14 is located at boss 13 close to the end of reinforcing bar 15.

Reference picture 7, Fig. 8, Fig. 9, the bottom surface of accommodating chamber 5 are additionally provided with the clamping bar 18 being slidably connected with the inner bottom surface of accommodating chamber 5, card Extension bar 18 is vertical with reinforcing bar 15 and clamping bar 18 can do motion closer or far from reinforcing bar 15, and clamping bar 18 is provided with and card The clamping block 20 that extension bar 18 is synchronized with the movement, the inner bottom surface of accommodating chamber 5 are provided with the second through hole 21 slided for clamping block 20, clamping block 20 are always positioned in the second through hole 21 and the upper surface of clamping block 20 flushes with the inner bottom surface of accommodating chamber 5.Pedal 6（Reference picture 1）With building Build, pedal 6 is abutted with the inner bottom surface of accommodating chamber 5 and pedal 6（Reference picture 1）When horizontal, clamping block 20 to reinforcing groove 14（Reference picture 6）The distance between internal groove bottom is equal to reinforcement block 16 to reinforcing groove 14（Reference picture 6）The distance between bottom land.It is right on reinforcement block 16 Clamping bar 18 is answered to be provided with the blocked hole 19 coordinated with clamping bar 18.When clamping bar 18 is located in blocked hole 19 by reinforcement block 16, plus Gu bar 15 is spacing, now reinforcing bar 15 is not susceptible to significantly displacement.

The course of work：

In use, first having set up pylon 1, cage, drive device being installed on pylon 1, whether each installation is checked Install.After being installed with all mechanisms, worker enters in cage body 2, cage is operated so that cage sheet Body 2 rises to specified altitude assignment, stops cage after reaching specified altitude assignment so that cage keeps highly constant, opens front door 3.

Worker pulls locating rod 11 first so that locating rod 11 leaves the locating slot 12 on locating piece 10, releases locating rod 11st, locating piece 10 is for the spacing of limited block 801.Pull limited block 801 so that limited block 801 in the sliding groove 9 away from The direction motion of pedal 6.Limited block 801 is released for the spacing of pedal 6.

Now rotate pedal 6 so that pedal 6 rotates around the first bearing pin 701, when pedal 6 turns to and the level of front door 3 When, promote pedal 6 that pedal is rotated around the second bearing pin 702 so that the one end of pedal 6 away from the second bearing pin 702 is connected to Building, now part pedal 6 be connected on the inner bottom surface of accommodating chamber 5.

Promote reinforcement block 16 so that reinforcement block 16 is slided towards front door 3 in the first through hole 17 so that reinforcing bar 15 with Reinforcement block 16 moves towards reinforcing groove 14 together, is reinforced as the motion reinforcing bar 15 of reinforcing bar 15 progresses into groove 14, when When reinforcing bar 15 is connected on the reinforcing bottom land of groove 14, reinforcing bar 15 can not continue towards reinforcing groove 14 and move, now reinforcement block 16 At clamping block 20, mobile clamping block 20 causes clamping block 20 to be moved in the second through hole 21 towards reinforcing bar 15 so that card Extension bar 18 passes through blocked hole 19, realizes for the spacing of reinforcing bar 15.Now worker can pedal 6 it is up walk loading and unloading.

After use, worker pulls clamping block 20 so that clamping bar 18 leaves blocked hole 19, releases for reinforcing bar 15 Block it is spacing.Pull reinforcement block 16 so that reinforcement block 16, towards the internal motion of accommodating chamber 5, works as reinforcing bar together with reinforcing bar 15 15 release for the spacing of pedal 6 when leaving reinforcing groove 14 completely.

Now pull up pedal 6 so that pedal 6 rotates along the second bearing pin 702, when pedal 6 is parallel with front door 3, turns Dynamic pedal 6 causes pedal 6 to be rotated along the first bearing pin 701, and the pedal 6 finally referred to is parallel with the side wall of accommodating chamber 5, and now promotion limits Position block 801 so that pedal 6 is located in stopper slot 802.Promote locating rod 11 so that locating rod 11, which is located in locating slot 12, to be realized For the spacing of limited block 801, the withdrawal of pedal 6 is now completed.Front door 3 is closed, operation cage body 2 moves downward .When cage body 2 is moved to ground, opening front door 3 or back door 4 can be left in cage body 2 using user, be completed Once pass through the feeding of cage or the process made a gift to someone.

Claims (7)

1. a kind of safe building hoist up and down, including pylon (1), the cage being assemblied on the pylon (1), described in driving The drive device that cage moves up and down along pylon (1), the cage include setting cage body (2), being located on cage body (2) Close to the front door (3) of building, it is located at the back door (4) away from building on cage body (2), it is characterised in that the cage Body (2), the front door (3), the back door (4) surround accommodating chamber (5) jointly, close to institute on the inwall of the accommodating chamber (5) State and be rotatably connected to the pedal (6) parallel with accommodating chamber (5) madial wall, institute at one jiao of the bottom at front door (3) by connector (7) State pedal (6) it is parallel with the accommodating chamber (5) madial wall when, the side of described pedal (6) the top is most lower to the pedal (6) The distance of the side at end is more than the front door (3) and arrives the distance between building；The pedal (6) can surround the connector (7) rotation of horizontal direction is done, one side upset that the pedal (6) is connected with the connector (7) can be surrounded again so that described Pedal (6) is connected to the accommodating chamber (5) bottom surface.

A kind of 2. building hoist of safety up and down according to claim 1, it is characterised in that connector (7) bag Include be rotatably connected on the accommodating chamber (5) inwall at one jiao of the front door (3) bottom and the first vertical bearing pin (701), the second bearing pin (702) being rotatablely connected with first bearing pin (701), second bearing pin (702) and described first Bearing pin (701) is vertically arranged, and the pedal (6) is connected on second bearing pin (702) and the pedal (6) and described second Bearing pin (702) synchronous axial system.

A kind of 3. building hoist of safety up and down according to claim 2, it is characterised in that accommodating chamber (5) side Wall is provided with locating part (8), the pedal (6) by the locating part (8) it is spacing when, the pedal (6) is fully located at the appearance Receive in room (5) and parallel with the accommodating chamber (5) side wall.

A kind of 4. building hoist of safety up and down according to claim 3, it is characterised in that locating part (8) bag Include the limited block (801) being located in the side wall that the accommodating chamber (5) is connected with first bearing pin (701), be located at it is described spacing The stopper slot (802) coordinated on block (801) and with the pedal (6) gap, the accommodating chamber (5) is close to the pedal (6) Side wall is provided with the sliding groove (9) slided for the limited block (801), and the part limited block (801) is located at the sliding groove (9) it is slidably connected in and with the sliding groove (9), the stopper slot (802) opening of the limited block (801) is stepped on described in Plate (6) setting and the limited block (801) do the motion closer or far from the pedal (6) along the sliding groove (9).

5. the building hoist of a kind of safety up and down according to claim 4, it is characterised in that the accommodating chamber (5) sets There are locating piece (10) on the medial surface of sliding groove (9), be provided with the locating piece (10) and be slidably connected with the locating piece (10) Locating rod (11), the locating rod (11) does the motion closer or far from the limited block (801), the limited block (801) The upper correspondence locating rod (11) is provided with locating slot (12), the locating rod (11) be located at the locating slot (12) it is interior when the limit Position block (801) is limited；During spacing pedal (6) of the limited block (801), the limited block (801) arrives the connector (7) distance is equal to the distance of the locating piece (10) away from connector (7), and the locating rod (11) is plugged on the locating slot (12) when interior, the limited block (801) is spacing by the pedal (6).

6. the building hoist of a kind of safety up and down according to claim 1, it is characterised in that the pedal (6) is remote The connector (7) and the one side parallel with the accommodating chamber (5) is provided with boss (13), the now boss (13) One end is located at the one side that the pedal (6) abuts with the accommodating chamber (5) inner bottom surface, is provided with and reinforces in the boss (13) Groove (14), when the pedal (6) is parallel with the accommodating chamber (5) side wall, reinforcing groove (14) opening is located at the boss (13) close to one end of the accommodating chamber (5) bottom surface；Corresponded on accommodating chamber (5) inner bottom surface it is described reinforcing groove (14) be provided with The reinforcing bar (15) that accommodating chamber (5) bottom surface is slidably connected, the reinforcing bar (15) coordinate with described reinforcing groove (14) gap； The reinforcing bar (15) is provided with the reinforcement block (16) that is synchronized with the movement with the reinforcing bar (15), on accommodating chamber (5) bottom surface First through hole (17) provided with the strip slided for the reinforcement block (16), the first through hole (17) and the reinforcing bar (15) diameter parallel is set, and reinforcement block (16) is located in first through hole (17) and reinforcement block (16) is no more than accommodating chamber (5) bottom surface Set, control reinforcement block (16) slides in the first through hole (17) along the first through hole (17), then the reinforcing bar (15) motion closer or far from the reinforcing groove (14) is done together with the reinforcement block (16).

7. the building hoist of a kind of safety up and down according to claim 6, it is characterised in that in the accommodating chamber (5) The clamping bar (18) being slidably connected with accommodating chamber (5) is provided with bottom surface, clamping bar (18) does close on accommodating chamber (5) inner bottom surface Or the motion away from reinforcing bar (15), correspond on the reinforcement block (16) the clamping bar (18) provided with and the clamping bar (18) The blocked hole (19) of cooperation, the part clamping bar (18) be located at the blocked hole (19) it is interior when, the reinforcing bar (15) is limited Position causes the reinforcing bar (15) to be not susceptible to significantly displacement；The clamping bar (18) is provided with and the accommodating chamber (5) bottom The clamping block (20) that face is slidably connected, the clamping block (20) is corresponded on accommodating chamber (5) inner bottom surface is provided with and supply the clamping The second through hole (21) for the strip that block (20) slides, second through hole (21) is parallel with the clamping bar (18), clamping block (20) it is always positioned in blocked hole (19) and clamping block (20) is set no more than accommodating chamber inner bottom surface；Pedal (6) with it is described building, When the pedal (6) abuts with the accommodating chamber (5) inner bottom surface and the pedal (6) is horizontal, the clamping block (20) arrives institute State and reinforce the distance between groove (14) internal groove bottom equal to the distance between described reinforcement block (16) to described reinforcing groove (14) bottom land.