CN208881842U - A kind of building materials transport cart - Google Patents

Abstract

The utility model discloses a kind of building materials transport carts, its structure includes: movable pulley, support base, foot pedal, turning handle, lifting device, control head, hopper, top plate, it is characterized by: movable pulley sets there are three altogether and is installed on support base lower end, insertion is installed in support base on the left of foot pedal, it is mutually welded on the left of lifting device upper end and top plate, the insertion of lifting device lower end is installed in support base, turning handle upper end, which is inserted, interrupts inside embedded in control head, a kind of building materials transport cart of the utility model, the cart is equipped with lifting device on the left of hopper, it realizes staff and can easily pass foot-treadle control hopper one end and slope up to upwards and unload internal building material, it is not necessary that manually arduously hopper is lifted, discharging is more convenient, headlamp automatic illuminating can be passed through at night simultaneously, it is more convenient for adjusting institute The height of lifting, shortens the discharge time, improves the working efficiency of cart discharging.

Description

A kind of building materials transport cart

Technical field

The utility model is a kind of building materials transport cart, belongs to building materials transport cart field.

Background technique

Building material is mostly very heavy, and cart be with the carrying vehicle of manpower push and pull, cart have single wheel, two-wheeled, Point of three-wheel and four-wheel, the car body material of traditional cart is generally wooden, and the cart car body material of modern production is generally iron sheet, In construction site, trolley is the most common building material handbarrow, and current common cart is when transporting building material Using manually unloading by the hopper lifting on cart, then internal building material, lead to heavy building material It needs worker that biggish strength is spent to be lifted hopper, causes the cart to use and be not easy to unload.

Utility model content

In view of the deficienciess of the prior art, the utility model aim is to provide a kind of building materials transport cart, to solve to push away Vehicle using being manually lifted the hopper on cart, then unloads internal building material when transporting building material, Cause heavy building material to need worker that biggish strength is spent to be lifted hopper, causes the cart to use and be not easy to unload The problem of goods.

To achieve the goals above, the utility model is achieved through the following technical solutions: a kind of transport of building materials pushes away Vehicle, structure include: movable pulley, support base, foot pedal, turning handle, lifting device, control head, hopper, top plate, the movement Wheel sets there are three altogether and is installed on support base lower end, and insertion is installed in support base on the left of the foot pedal, the liter It is mutually welded on the left of falling unit upper end and top plate, the lifting device lower end insertion is installed in support base, the turning handle upper end It inserts and interrupts inside embedded in control head, the top plate lower end fits with hopper upper end, and the turning handle lower end insertion is installed on support In pedestal, the hopper is installed on the top surface of support base, and the turning handle is installed on the left of lifting device；The lifting device It is made of air extractor, piston apparatus, air releasing device, transmission mechanism, rotating mechanism, elevating mechanism, lighting device；The pumping Rear surface is fixedly connected with piston apparatus lower surface middle-end on the left of device, and insertion is installed on piston dress on the left of the air releasing device In setting, fit on the left of the air extractor upper end with air releasing device upper end right side, the transmission mechanism lower end and piston apparatus Upper gap cooperation, the rotating mechanism set there are two altogether and are installed on lighting device upper end, the elevating mechanism lower end with Rotating mechanism upper end is flexibly connected, and is mutually welded on the right side of the transmission mechanism upper end with rotating mechanism lower end left side.

To optimize above-mentioned technical proposal, the measure further taken are as follows:

According to a kind of preferred embodiment, the air extractor is by sticking up bar, spring, dead man, movable axis, sealing plate, pumping chamber, blocking up Block composition, the spring, which sets there are two altogether and is installed on, sticks up bar lower surface, and the dead man is connected by movable axis and sealing plate activity It connects, the sealing plate insertion is installed in pumping chamber, and the pumping chamber interior lower end is equipped with sprue, described to stick up bar left side and dead man Upper end right side mechanical is flexibly connected, and the dead man lower end insertion is installed in pumping chamber and is gap-matched, described to stick up bar Right surface is mutually welded with foot pedal left surface, is fixedly connected on the left of the pumping chamber lower end with piston apparatus lower surface, described to pull out It fits on the left of bar upper end with air releasing device upper end right side.

According to a kind of preferred embodiment, the piston apparatus is made of ventilation pipe, sliding slot, piston plate, pressure chamber, tooth plate, institute It states sliding slot insertion and is installed on upper end on the left of ventilation pipe, the piston plate upper surface is mutually welded with tooth plate lower surface, the tooth plate Lower end insertion, which is installed on, presses intracavitary and is gap-matched, and upper end is connected with pressure chamber lower surface on the left of the ventilation pipe, With clearance fit on the left of air releasing device lower end on the right side of the pressure chamber upper end, the tooth plate upper end right side and transmission mechanism left side are mutually nibbled It closes, is fixedly connected on the right side of the ventilation pipe with pumping chamber lower end left side.

According to a kind of preferred embodiment, the air releasing device is formed by forming lose heart block, fixing axle, swing rod, cross bar, described to let out Air parcel upper end is connected by connecting shaft with swing rod lower end, and the right surface in swing rod upper end is mutually welded with cross bar left surface, described Fixing axle insertion is installed in swing rod middle-end, is fitted on the right side of the cross bar with dead man upper end left side.

According to a kind of preferred embodiment, the transmission mechanism is by driving wheel, connecting rod, braked wheel, rack gear, sliding block, drive rod, liter Block composition drops, and the driving wheel is connected by connecting rod with braked wheel, and the braking wheel outer surface is meshed with rack gear lower end, institute It states sliding block rear surface mutually to weld with upper end of the rack surface, the drive rod upper end is connected by connecting shaft with elevator, institute It states drive rod lower end and is connected by connecting shaft with rack slide middle-end, the elevator right side and phase on the left of rotating mechanism lower end Welding, the driving wheel and tooth plate clearance fit.

According to a kind of preferred embodiment, the rotating mechanism is by welding plate, adjusting rod, sliding rail, sliding sleeve, roller, helical gear, gear Disk composition, the adjusting rod set there are two altogether and are installed on welding plate upper end, and the sliding rail insertion is installed in roller, the rolling Cylinder both ends through sliding sleeve and are gap-matched, the helical gear and toothed disc clearance fit, embedding on the left of the adjusting rod Enter to be installed in sliding rail, the toothed disc is connected by belt with elevating mechanism lower end, on the left of the welding plate lower end and is gone up and down It is mutually welded on the right side of block.

According to a kind of preferred embodiment, the elevating mechanism is by one-stage gear, support plate, push rod, chain, secondary gear, cunning Schedule, protective shell composition, the one-stage gear are mechanically connected by chain and secondary gear, the chain set altogether there are two and Push rod both ends are installed on, the push rod lower end insertion is installed in protective shell and is gap-matched, and the pulley row sets altogether There are four and be installed on push rod both ends, the push rod lower surface fits with support plate upper end face, and chain insertion is pacified Loaded on protective shell inner upper end, the one-stage gear is connected by belt with toothed disc, and the support plate insertion is installed on guarantor Protective case inner upper end, the ventilation pipe lower end fit with protective shell interior lower end, and both ends are equipped with altogether on the inside of the protective shell Two rollers, the one-stage gear are connected by belt with toothed disc.

According to a kind of preferred embodiment, the lighting device is by slide bar, movable contact, PCB control circuit board, stationary contact, illumination Lamp, drawstring, idler wheel, inclined plate composition, the right surface of slide bar middle-end fit with movable contact left surface, and the slide bar lower surface is logical It crosses drawstring to be connected with idler wheel, the stationary contact is electrically connected with PCB control circuit board, and the PCB control circuit board passes through conducting wire It is connected with headlamp, the idler wheel is mutually welded by drawstring and upper end on the left of inclined plate, and the headlamp insertion is installed on protection In shell, lower end fits with upper end on the left of bar is stuck up on the right side of the inclined plate, and the PCB control circuit board insertion is installed on protective shell It is interior.

Beneficial effect

Building material is imported into hopper by a kind of building materials transport cart of the utility model, staff, is then pushed and is turned Handle shifts cart onto desired zone under the action of movable pulley, when needing to unload to hopper, above and below staff Foot pedal is stepped on, deformation occurs for the spring on lifting device, so that stick up bar stirs dead man up and down, sealing plate just follows pumping up and down Dynamic, sprue just moves up under the action of pumping chamber, so that ambient atmos are extracted into ventilation pipe through protective shell, causes to ventilate Sprue upward sliding on the left of pipeline has the function of for ambient atmos importeding into and presses intracavitary, work under the action of pressure becomes larger Seben is moved up with tooth plate, so that driving wheel and braked wheel successively rotate under the action of connecting rod, causes rack gear with the sliding block right side It moves, drive rod just pushes up elevator upwards, and welding plate is just moved up with adjusting rod, and roller rotation, tool are driven under the action of sliding rail Play the role of that helical gear is driven successively to rotate with toothed disc, the chain operating at one-stage gear driving both ends under the action of belt, So that support plate moves up, push rod is lifted upwards under the action of pulley row, so that top plate tilts upwards, thus by hopper The building material in portion unloads automatically, in night discharging, upwarps to drive by sticking up bar and tilts down on the left of inclined plate, in the work of idler wheel Slide bar is pulled down until movable contact touches stationary contact, so that PCB control circuit board power control headlamp is shown with lower drawstring Illumination, having can allow staff can be clearly seen at night often steps on a foot pedal, and the height that push rod is promoted avoids height Height to be spent, causes discharging too fast, cart is easy to topple over, and when hopper needs to return to initial position, foot pedal is turned left and is pushed away, so that Dead man is tilted to the right and pushes cross bar, and swing rod lower end moves right discouraged block under the action of fixing axle, so that pressure chamber is not closed Just start to lose heart, push rod just declines, so that hopper slowly returns to initial position.

A kind of building materials transport cart of the utility model, the cart are equipped with lifting device on the left of hopper, realize work people Member, which can easily pass foot-treadle control hopper one end and slope up to upwards, unloads internal building material, is not necessarily to people Hopper is lifted by expenses of labour power, and discharging is more convenient, while can be by headlamp automatic illuminating at night, and adjusting of being more convenient for is risen The height of drop, shortens the discharge time, improves the working efficiency of cart discharging.

Detailed description of the invention

In order to illustrate more clearly of the technical solution of the utility model embodiment, below by the attached drawing in being described to embodiment It introduces in detail, with this other features, objects and advantages of the utility model will be become more apparent upon:

Fig. 1 is a kind of structural schematic diagram of building materials transport cart of the utility model.

Fig. 2 is the structural schematic diagram of the utility model lifting device.

Fig. 3 is the detailed construction schematic diagram of the utility model lifting device.

Fig. 4 is the structural schematic diagram of the utility model lifting device working condition.

Description of symbols: movable pulley -1, support base -2, foot pedal -3, turning handle -4, lifting device -5, control head -6, Hopper -7, air extractor -51, piston apparatus -52, air releasing device -53, transmission mechanism -54, rotating mechanism -55, rises top plate -8 Descending mechanism -56, lighting device -57 stick up bar -511, spring -512, dead man -513, movable axis -514, sealing plate -515, pumping Chamber -516, sprue -517, ventilation pipe -521, sliding slot -522, piston plate -523, pressure chamber -524, tooth plate -525, lose heart block - 531, fixing axle -532, swing rod -533, cross bar -534, driving wheel -541, connecting rod -542, braked wheel -543, rack gear -544, cunning Block -545, drive rod -546, elevator -547, welding plate -551, adjusting rod -552, sliding rail -553, sliding sleeve -554, roller -555, Helical gear -556, toothed disc -557, one-stage gear -561, support plate -562, push rod -563, chain -564, secondary gear -565, Pulley row -566, protective shell -567, slide bar -571, movable contact -572, PCB control circuit board -573, stationary contact -574, illumination Lamp -575, drawstring -576, idler wheel -577, inclined plate -578.

Specific embodiment

To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below In conjunction with specific embodiment, the utility model is further described.

Fig. 1-Fig. 4 is please referred to, the utility model provides a kind of building materials transport cart: its structure includes: movable pulley 1, support Pedestal 2, foot pedal 3, turning handle 4, lifting device 5, control head 6, hopper 7, top plate 8, it is characterised in that: the movable pulley 1 is set altogether There are three and be installed on 2 lower end of support base, be embedded in and is installed in support base 2 on the left of the foot pedal 3, the lifting fills It sets 5 upper ends mutually to weld with 8 left side of top plate, 5 lower end of the lifting device insertion is installed in support base 2,4 upper end of turning handle It inserts and interrupts inside embedded in control head 6,8 lower end of top plate fits with 7 upper end of hopper, and 4 lower end of the turning handle insertion is installed on In support base 2, the hopper 7 is installed on the top surface of support base 2, and the turning handle 4 is installed on 5 left side of lifting device；Institute Lifting device 5 is stated by air extractor 51, piston apparatus 52, air releasing device 53, transmission mechanism 54, rotating mechanism 55, elevating mechanism 56, lighting device 57 forms；The 51 left side rear surface of air extractor is fixedly connected with 52 lower surface middle-end of piston apparatus, institute It states insertion on the left of air releasing device 53 to be installed in piston apparatus 52, on the left of 51 upper end of air extractor and 53 upper end of air releasing device Right side fits, and 54 lower end of transmission mechanism and 52 upper gap of piston apparatus cooperate, and the rotating mechanism 55 is equipped with two altogether A and be installed on 57 upper end of lighting device, 56 lower end of elevating mechanism is flexibly connected with 55 upper end of rotating mechanism, the biography It is mutually welded on the right side of 54 upper end of motivation structure with 55 lower end of rotating mechanism left side, the air extractor 51 is by sticking up bar 511, spring 512, pulling out Bar 513, movable axis 514, sealing plate 515, pumping chamber 516, sprue 517 form, and the spring 512 sets there are two altogether and is installed on 511 lower surface of bar is stuck up, the dead man 513 is flexibly connected by movable axis 514 with sealing plate 515, the insertion of sealing plate 515 peace Loaded in pumping chamber 516,516 interior lower end of pumping chamber is equipped with sprue 517, described to stick up 511 left side of bar and 513 upper end of dead man Right side mechanical is flexibly connected, and 513 lower end of the dead man insertion is installed in pumping chamber 516 and is gap-matched, described to stick up The right surface of bar 511 is mutually welded with 3 left surface of foot pedal, is fixed on the left of 516 lower end of pumping chamber with 52 lower surface of piston apparatus Connection is fitted with 53 upper end of air releasing device right side on the left of 513 upper end of dead man, and the piston apparatus 52 is by ventilation pipe 521, sliding slot 522, piston plate 523, pressure chamber 524, tooth plate 525 form, and it is left that the insertion of sliding slot 522 is installed on ventilation pipe 521 Side upper end, 523 upper surface of piston plate are mutually welded with 525 lower surface of tooth plate, and 525 lower end of the tooth plate insertion is installed on pressure chamber It in 524 and is gap-matched, the 521 left side upper end of ventilation pipe is connected with pressure 524 lower surface of chamber, the pressure chamber On the right side of 524 upper ends and 51 lower end of air releasing device left side clearance fit, 525 upper end of the tooth plate right side and 54 left side phase of transmission mechanism Engagement, 521 right side of ventilation pipe and 516 lower end of pumping chamber left side are fixedly connected, and the air releasing device 53 is by the block that loses heart 531, fixing axle 532, swing rod 533, cross bar 534 form, and discouraged 531 upper end of block passes through connecting shaft and 533 lower end phase of swing rod Connection, the right surface in 533 upper end of swing rod are mutually welded with 534 left surface of cross bar, and the insertion of fixing axle 532 is installed on swing rod In 533 middle-ends, fit on the left of 534 right side of cross bar and 513 upper end of dead man, the transmission mechanism 54 is by driving wheel 541, company Bar 542, braked wheel 543, rack gear 544, sliding block 545, drive rod 546, elevator 547 form, and the driving wheel 541 passes through connecting rod 542 are connected with braked wheel 543, and 543 outer surface of braked wheel is meshed with 544 lower end of rack gear, the 545 lower end table of sliding block Face is mutually welded with 544 upper end face of rack gear, and 546 upper end of drive rod is connected by connecting shaft with elevator 547, the biography 546 lower end of lever is connected by connecting shaft with 544 sliding block of rack gear, 545 middle-end, 547 right side of elevator and rotating mechanism 55 It is mutually welded on the left of lower end, the driving wheel 541 and 525 clearance fit of tooth plate, the rotating mechanism 55 is by welding plate 551, adjusting rod 552, sliding rail 553, sliding sleeve 554, roller 555, helical gear 556, toothed disc 557 form, and the adjusting rod 552 is set altogether there are two simultaneously And it is installed on 551 upper end of welding plate, the sliding rail 553 insertion is installed in roller 555, and 555 both ends of roller are through sliding sleeve It 554 and is gap-matched, the helical gear 556 and 557 clearance fit of toothed disc, is embedded in peace on the left of the adjusting rod 552 Loaded in sliding rail 553, the toothed disc 557 is connected by belt with 56 lower end of elevating mechanism, on the left of 551 lower end of welding plate Mutually welded with the right side of elevator 547, the elevating mechanism 56 by one-stage gear 561, support plate 562, push rod 563, chain 564, Secondary gear 565, pulley row 566, protective shell 567 form, and the one-stage gear 561 passes through chain 564 and 565 machine of secondary gear Tool connection, the chain 564 set there are two altogether and are installed on 563 both ends of push rod, and 563 lower end of the push rod insertion is installed on guarantor It in protective case 567 and is gap-matched, the pulley row 566 sets there are four altogether and is installed on 563 both ends of push rod, described to push away 563 lower surface of bar fits with 562 upper end face of support plate, and the insertion of chain 564 is installed on 567 inner upper end of protective shell, The one-stage gear 561 is connected by belt with toothed disc 557, and the insertion of support plate 562 is installed on inside protective shell 567 Upper end, 521 lower end of ventilation pipe fit with 567 interior lower end of protective shell, and the 567 inside both ends of protective shell are equipped with altogether Two rollers 555, the one-stage gear 561 are connected by belt with toothed disc 557, the lighting device 57 by slide bar 571, Movable contact 572, PCB control circuit board 573, stationary contact 574, headlamp 575, drawstring 576, idler wheel 577, inclined plate 578 form, institute It states the right surface of 571 middle-end of slide bar to fit with 572 left surface of movable contact, 571 lower surface of slide bar passes through drawstring 576 and idler wheel 577 are connected, and the stationary contact 574 is electrically connected with PCB control circuit board 573, and the PCB control circuit board 573 passes through conducting wire It is connected with headlamp 575, the idler wheel 577 is mutually welded by drawstring 576 with 578 left side upper end of inclined plate, the headlamp 575 Insertion is installed in protective shell 567, and the 578 right side lower end of inclined plate fits with 511 left side upper end of bar is stuck up, the PCB control The insertion of circuit board 573 is installed in protective shell 567.

Use principle: building material is imported into hopper 7 by staff, turning handle 4 is then pushed, in the work of movable pulley 1 Cart is shifted onto desired zone with lower, when needing to unload to hopper 7, foot pedal 3 is stepped on up and down by staff, is risen Deformation occurs for spring 512 on falling unit 5, so that sticking up about 511 bar stirs dead man 513, sealing plate 515 just follows pumping up and down Dynamic, sprue 517 just moves up under the action of pumping chamber 516, so that ambient atmos are extracted into ventilation pipe through protective shell 567 In 521, cause the sprue upward sliding in 521 left side of ventilation pipe, have the function of importeding into ambient atmos in pressure chamber 524, Piston plate 523 is moved up with tooth plate 525 under the action of pressure becomes larger, so that driving wheel 541 and braked wheel 543 are in connecting rod 542 Under the action of successively rotate, cause rack gear 544 to move to right with sliding block 545, drive rod 546 just by elevator 547 upwards push up, welding plate 551 just move up with adjusting rod 552, drive roller 555 to rotate under the action of sliding rail 553, have and drive helical gear 556 and tooth The effect that wheel disc 557 successively rotates, one-stage gear 561 drives the chain 564 at both ends to operate under the action of belt, so that support Plate 562 moves up, and push rod 563 is lifted upwards under the action of pulley row 566, so that top plate 8 tilts upwards, thus by hopper Building material inside 7 unloads automatically, in night discharging, upwarps to drive by sticking up bar 511 and tilts down on the left of inclined plate 578, Drawstring 576 is by the drop-down of slide bar 571 until movable contact 572 touches stationary contact 574, so that PCB control electricity under the action of idler wheel The display illumination of 573 power control headlamp 575 of road plate, having can allow staff can be clearly seen at night often steps on a foot Pedal 3, the height that push rod 563 is promoted, avoids excessive height, causes discharging too fast, and cart is easy to topple over, and needs in hopper 7 When returning to initial position, foot pedal 3 is turned left and is pushed away, so that dead man 513 is tilted to the right and pushes cross bar 534, in fixing axle 532 Effect 533 lower end of draft link moves right discouraged block 531, so that pressure chamber 524 is not closed and just starts to lose heart, push rod 563 just declines, To which hopper 7 slowly returns to initial position.

The utility model is combined with each other by above-mentioned component, and a kind of building materials transport cart of the utility model, the cart exists Lifting device is equipped on the left of hopper, foot-treadle control hopper one end can be easily passed to updip by realizing staff Tiltedly until internal building material is unloaded, without being manually arduously lifted hopper, discharging is more convenient, while can at night By headlamp automatic illuminating, it is more convenient for adjusting gone up and down height, shortens the discharge time, improve the work of cart discharging Efficiency solves cart when transporting building material using manually the hopper on cart is lifted, then interior with this The building material in portion unloads, and causes heavy building material to need worker that biggish strength is spent to be lifted hopper, this is caused to push away Vehicle uses the problem of being not easy to unloading.

Specific embodiment described herein is only to give an example to the utility model.The affiliated skill of the utility model The technical staff in art field can make various modifications or additions to the described embodiments or using similar side Formula substitution, but without departing from the utility model or beyond the scope of the appended claims.

Claims (8)

1. a kind of building materials transport cart, structure includes: movable pulley (1), support base (2), foot pedal (3), turning handle (4), rises Falling unit (5), control head (6), hopper (7), top plate (8), it is characterised in that:

The movable pulley (1) sets there are three altogether and is installed on support base (2) lower end, insertion peace on the left of the foot pedal (3) Loaded in support base (2), mutually welded on the left of lifting device (5) upper end and top plate (8), lifting device (5) lower end It is embedded in and is installed in support base (2), turning handle (4) upper end is slotting internal embedded in control head (6) interruption, under the top plate (8) End fits with hopper (7) upper end, and turning handle (4) the lower end insertion is installed in support base (2), hopper (7) installation In on the top surface of support base (2), the turning handle (4) is installed on the left of lifting device (5)；

The lifting device (5) is by air extractor (51), piston apparatus (52), air releasing device (53), transmission mechanism (54), rotation Mechanism (55), elevating mechanism (56), lighting device (57) composition；

Rear surface is fixedly connected with piston apparatus (52) lower surface middle-end on the left of the air extractor (51), the air releasing device (53) left side insertion is installed in piston apparatus (52), right with air releasing device (53) upper end on the left of air extractor (51) upper end Side fits, and transmission mechanism (54) lower end and piston apparatus (52) upper gap cooperate, and the rotating mechanism (55) sets altogether There are two and be installed on lighting device (57) upper end, elevating mechanism (56) lower end and rotating mechanism (55) upper end activity connect It connects, is mutually welded on the right side of transmission mechanism (54) upper end with rotating mechanism (55) lower end left side.

2. a kind of building materials transport cart according to claim 1, it is characterised in that: the air extractor (51) is by sticking up bar (511), spring (512), dead man (513), movable axis (514), sealing plate (515), pumping chamber (516), sprue (517) composition, The spring (512) sets there are two altogether and is installed on and sticks up bar (511) lower surface, the dead man (513) by movable axis (514) with Sealing plate (515) is flexibly connected, and sealing plate (515) insertion is installed in pumping chamber (516), in the pumping chamber (516) Subordinate end is equipped with sprue (517), and described stick up is flexibly connected on the left of bar (511) with dead man (513) upper end right side mechanical, the dead man (513) lower end insertion is installed in pumping chamber (516) and is gap-matched, described to stick up the right surface of bar (511) and foot pedal (3) left surface is mutually welded, and is fixedly connected on the left of pumping chamber (516) lower end with piston apparatus (52) lower surface, the dead man (513) it fits on the left of upper end with air releasing device (53) upper end right side.

3. a kind of building materials transport cart according to claim 2, it is characterised in that: the piston apparatus (52) is by snorkel Road (521), sliding slot (522), piston plate (523), pressure chamber (524), tooth plate (525) composition, sliding slot (522) insertion are installed on Upper end on the left of ventilation pipe (521), piston plate (523) upper surface are mutually welded with tooth plate (525) lower surface, the tooth plate (525) lower end insertion is installed in pressure chamber (524) and is gap-matched, upper end and pressure on the left of the ventilation pipe (521) Chamber (524) lower surface is connected, described with clearance fit on the left of air releasing device (53) lower end on the right side of pressure chamber (524) upper end It is meshed on the right side of tooth plate (525) upper end with transmission mechanism (54) left side, ventilation pipe (521) right side and pumping chamber (516) It is fixedly connected on the left of lower end.

4. a kind of building materials transport cart according to claim 2, it is characterised in that: the air releasing device (53) is by the block that loses heart (531), fixing axle (532), swing rod (533), cross bar (534) composition, discouraged block (531) upper end passes through connecting shaft and swing rod (533) lower end is connected, and the right surface in swing rod (533) upper end is mutually welded with cross bar (534) left surface, the fixing axle (532) insertion is installed in swing rod (533) middle-end, is fitted on the right side of the cross bar (534) with dead man (513) upper end left side.

5. a kind of building materials transport cart according to claim 3, it is characterised in that: the transmission mechanism (54) is by driving wheel (541), connecting rod (542), braked wheel (543), rack gear (544), sliding block (545), drive rod (546), elevator (547) composition, The driving wheel (541) is connected by connecting rod (542) with braked wheel (543), braked wheel (543) outer surface and rack gear (544) lower end is meshed, and sliding block (545) rear surface is mutually welded with rack gear (544) upper end face, the drive rod (546) upper end is connected by connecting shaft with elevator (547), and drive rod (546) lower end passes through connecting shaft and rack gear (544) middle-end is connected, and mutually welds on the right side of the elevator (547) with rotating mechanism (55) lower end left side, the driving wheel (541) with tooth plate (525) clearance fit.

6. a kind of building materials transport cart according to claim 5, it is characterised in that: the rotating mechanism (55) is by welding plate (551), adjusting rod (552), sliding rail (553), sliding sleeve (554), roller (555), helical gear (556), toothed disc (557) composition, The adjusting rod (552) sets there are two altogether and is installed on welding plate (551) upper end, and sliding rail (553) insertion is installed on roller (555) in, roller (555) both ends are through sliding sleeve (554) and are gap-matched, the helical gear (556) and tooth Wheel disc (557) clearance fit, adjusting rod (552) left side insertion are installed in sliding rail (553), and the toothed disc (557) is logical It crosses belt to be connected with elevating mechanism (56) lower end, mutually be welded on the left of welding plate (551) lower end with elevator (547) right side.

7. a kind of building materials transport cart according to claim 6, it is characterised in that: the elevating mechanism (56) is by level-one tooth Take turns (561), support plate (562), push rod (563), chain (564), secondary gear (565), pulley row (566), protective shell (567) Composition, the one-stage gear (561) are mechanically connected by chain (564) and secondary gear (565), and the chain (564) sets altogether There are two and be installed on push rod (563) both ends, push rod (563) the lower end insertion is installed in protective shell (567) and adopts With clearance fit, the pulley row (566) sets there are four altogether and is installed on push rod (563) both ends, push rod (563) following table Face fits with support plate (562) upper end face, and chain (564) insertion is installed on protective shell (567) inner upper end, described One-stage gear (561) is connected by belt with toothed disc (557), and support plate (562) insertion is installed on protective shell (567) Inner upper end, protective shell (567) interior lower end fit with ventilation pipe (521) lower end, on the inside of the protective shell (567) Both ends are set altogether there are two roller (555).

8. a kind of building materials transport cart according to claim 1, it is characterised in that: the lighting device (57) is by slide bar (571), movable contact (572), PCB control circuit board (573), stationary contact (574), headlamp (575), drawstring (576), idler wheel (577), inclined plate (578) forms, and the right surface of slide bar (571) middle-end fits with movable contact (572) left surface, the slide bar (571) lower surface is connected by drawstring (576) with idler wheel (577), the stationary contact (574) and PCB control circuit board (573) Electrical connection, the PCB control circuit board (573) are connected by conducting wire with headlamp (575), and the idler wheel (577) passes through drawing Rope (576) is mutually welded with upper end on the left of inclined plate (578), and headlamp (575) insertion is installed in protective shell (567), described Lower end fits with upper end on the left of bar (511) is stuck up on the right side of inclined plate (578), and PCB control circuit board (573) insertion is installed on guarantor In protective case (567).