CN211769922U - Hoisting trolley for hoisting guardrail template - Google Patents

Hoisting trolley for hoisting guardrail template Download PDF

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Publication number
CN211769922U
CN211769922U CN202020365554.2U CN202020365554U CN211769922U CN 211769922 U CN211769922 U CN 211769922U CN 202020365554 U CN202020365554 U CN 202020365554U CN 211769922 U CN211769922 U CN 211769922U
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China
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suspension arm
hoisting
chassis frame
support frame
hydraulic rod
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CN202020365554.2U
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Chinese (zh)
Inventor
李忠明
田鹏
牛敬森
刘自超
陈红闯
唐久奇
张成贵
张欣
陈宇星
王鹏威
彭玲
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China Construction Seventh Engineering Bureau Installation Engineering Co Ltd
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China Construction Seventh Engineering Bureau Installation Engineering Co Ltd
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Abstract

The utility model provides a lifting trolley for lifting a guardrail template, which relates to the technical field of bridge construction equipment and comprises a walking system, a lifting system and a control system, wherein the walking system comprises a chassis frame, the two sides of the two ends of the chassis frame are respectively provided with a front wheel and a rear wheel, the front wheel is connected with a steering mechanism, the rear wheel is connected with a driving device, the control system is arranged on the chassis frame, the lifting system comprises a support frame, a suspension arm, a hydraulic mechanism and a lifting mechanism, the support frame is fixed on the chassis frame, the suspension arm comprises a first suspension arm and a second suspension arm which are sleeved, the hydraulic mechanism comprises a first hydraulic rod and a second hydraulic rod, the two ends of the first hydraulic rod are respectively connected with the support frame and the first suspension arm, the two ends of the second hydraulic rod are respectively connected with the first suspension arm and the second suspension arm, the tail end of the second suspension, be provided with the balancing weight on the chassis frame, the hoist and mount dolly of this scheme can be nimble activity on the bridge, does not receive the restriction of topography.

Description

Hoisting trolley for hoisting guardrail template
Technical Field
The utility model belongs to the technical field of bridge construction equipment, specifically provide a hoist and mount dolly of hoist and mount guardrail template.
Background
The concrete guardrail is a common bridge guardrail, and an inner guardrail template and an outer guardrail template need to be installed in the construction process, and then concrete is poured into the inner guardrail template and the outer guardrail template to form the concrete guardrail. In the dismouting in-process of guardrail template, need hoist guardrail template usually, the construction equipment that adopts most often is that crane and fork truck cooperate the use, but because crane area is great, the automobile body is heavy, uses below the bridge usually, consequently can receive the influence of topography condition, leads to the unable crane of stationing at some construction position, and the hoist and mount demand of guardrail template can't be satisfied again to the words of exclusive use fork truck.
Accordingly, there is a need in the art for a trolley for lifting a guardrail formwork that addresses the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned problem that exists among the prior art, the utility model provides a hoist and mount guardrail template's dolly solves among the prior art problem that the crane has the limitation in the use.
The technical scheme of the utility model is realized like this: the hoisting trolley for hoisting the guardrail template comprises a traveling system, a hoisting system and a control system, wherein the traveling system comprises a chassis frame, a steering mechanism, a driving device, front wheels and rear wheels, the front wheels and the rear wheels are respectively arranged at two sides of two ends of the chassis frame, the steering mechanism is connected with the front wheels, the driving device is connected with the rear wheels, the control system is arranged on the chassis frame, the hoisting system comprises a support frame, a suspension arm, a hydraulic mechanism and a lifting mechanism, the support frame is fixed on the chassis frame, the suspension arm comprises a first suspension arm and a second suspension arm, the hydraulic mechanism comprises a first hydraulic rod and a second hydraulic rod, one end of the first suspension arm is pivotally connected with the support frame, the other end of the first hydraulic rod is sleeved with the second suspension arm, two ends of the first hydraulic rod are respectively connected with the support frame and the first suspension arm, the two ends of the second hydraulic rod are respectively connected with the first suspension arm and the second suspension arm, a pulley is arranged at one end, far away from the first suspension arm, of the second suspension arm, the lifting mechanism is arranged on the first suspension arm, a lifting rope of the lifting mechanism is connected with the pulley, and a balancing weight is arranged on the chassis frame in the direction deviating from the joint of the first suspension arm and the supporting frame.
The technical effect of the scheme is as follows: by arranging the traveling system and the hoisting system, the two functions of moving and hoisting are integrated into a hoisting trolley, so that the hoisting trolley can flexibly move on a bridge and is not limited by the terrain, the guardrail template can be directly hoisted, the trouble of common work of a crane and a forklift is avoided, and the construction efficiency is improved; the steering mechanism controls the steering of the front wheels, so that the hoisting trolley can move flexibly; the first hydraulic rod drives the first suspension arm to rotate around the pivoting end of the first suspension arm and the supporting frame, so that the lifting angle of the first suspension arm is adjusted; the second hydraulic rod drives the second suspension arm to extend or retract along the first suspension arm, so that the length of the suspension arm is adjusted; the lifting rope of the lifting mechanism realizes the lifting of the guardrail template through the pulley at the end part of the second lifting arm; constructors control the hoisting trolley through the control system, the operation is flexible, the automation degree is high, the operation can be completed by a single person, and the labor consumption is greatly reduced.
In the preferable technical scheme of the hoisting trolley for hoisting the guardrail formwork, the height of the joint of the first hydraulic rod and the support frame relative to the ground is lower than the height of the joint of the first suspension arm and the support frame relative to the ground so as to realize the support of the first hydraulic rod on the first suspension arm, the inclination direction of the first suspension arm relative to the support frame faces to the direction of the rear wheels, and the diameter of the rear wheels is larger than that of the front wheels.
The technical effect of the scheme is as follows: the first hydraulic rod is arranged below the first suspension arm, so that the arrangement and the work of the lifting mechanism cannot be hindered, and the first hydraulic rod can support the first suspension arm on the basis of adjusting the hoisting angle of the first suspension arm, so that the feasibility and the stability of the work of the suspension arm are ensured; the first suspension arm inclines towards the rear wheel, so that when the suspension arm works, the pressure on the rear wheel is larger, and the diameter of the rear wheel is larger than that of the front wheel, so that the contact area between the rear wheel and the ground is increased, and the weight borne by the rear wheel in unit area is reduced; meanwhile, the adhesive force of the rear wheel is increased, the rear wheel is prevented from slipping in the advancing process, and the rear wheel cannot advance when encountering a concave-convex road surface; the diameter of the front wheel is small, so that the direction of the front wheel can be easily changed by a constructor through a steering mechanism.
In the preferable technical scheme of the hoisting trolley for hoisting the guardrail template, the chassis frame is provided with a slewing bearing structure, and the support frame is connected with the slewing bearing structure through the connecting platform.
The technical effect of the scheme is as follows: through setting up the slewing bearing structure, hoist and mount system can rotate for the chassis frame, makes the hoist and mount dolly more nimble, has reduced a lot of work that originally need constructor manual operation, has reduced labour consumption, has improved the efficiency of construction.
In the preferred technical scheme of the hoisting trolley for hoisting the guardrail template, a seat is arranged on the chassis frame and comprises a support column and a seat, and the seat is sleeved on the support column and can rotate by taking the support column as a central shaft.
The technical effect of the scheme is as follows: the seat is arranged on the chassis frame, so that a constructor can conveniently sit on the seat to operate the hoisting trolley; the seat of the seat is arranged to rotate around the supporting column, so that a constructor can conveniently rotate the seat to a comfortable position to operate the steering mechanism and the control system.
In the preferred technical scheme of the hoisting trolley for hoisting the guardrail template, the bottom of the chassis frame is close to the position of the advancing direction of the front wheel, the stopping mechanism comprises a hydraulic telescopic arm and a stopping plate, one end of the hydraulic telescopic arm is connected with the chassis frame, the other end of the hydraulic telescopic arm is connected with the stopping plate, and the hydraulic telescopic arm can drive the stopping plate to be abutted against the ground and to be contacted with the front wheel.
The technical effect of the scheme is as follows: through setting up backstop mechanism, when the hoisting trolley opened suitable position and stopped, the flexible arm drive backstop board of hydraulic pressure of control backstop mechanism removed to leaning on ground, and wheel before one side contact of backstop board prevents that the hoisting trolley from removing at the working process.
In the preferable technical scheme of the hoisting trolley for hoisting the guardrail template, the side face of the stop plate, which is in contact with the front wheel, is attached to the front wheel.
The technical effect of the scheme is as follows: through the arrangement, the contact side surface area of the stop plate and the front wheel is large, the lifting trolley is prevented from moving in the working process better, and the stability of the lifting trolley is improved.
In the preferable technical scheme of the hoisting trolley for hoisting the guardrail template, the bottom of the stop plate is provided with a friction structure.
The technical effect of the scheme is as follows: through such setting, increased the frictional force of backstop board with ground, further improved the stability of hoist and mount dolly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic view of a hoisting trolley for hoisting a guardrail template;
list of reference numerals: 1. a traveling system; 11. a chassis frame; 12. a steering mechanism; 13. a drive device; 14. a front wheel; 15. a rear wheel; 16. a balancing weight; 17. a slewing bearing structure; 18. connecting the platform; 19. a seat; 2. hoisting the system; 21. a support frame; 22. a suspension arm; 221. a first boom; 222. a second boom; 23. a hydraulic mechanism; 231. a first hydraulic lever; 232. a second hydraulic rod; 24. a lifting mechanism; 241. a lifting rope; 3. a control system; 4. a stopper mechanism; 41. a hydraulic telescopic arm; 42. a stop plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicating the directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The utility model discloses hoist and mount guardrail template's hoisting trolley's concrete embodiment: as shown in fig. 1, the lifting trolley for lifting the guardrail formwork comprises a traveling system 1, a lifting system 2 and a control system 3, wherein the traveling system 1 comprises a chassis frame 11, a steering mechanism 12, a driving device 13, front wheels 14 and rear wheels 15, the front wheels and the rear wheels are respectively installed at two sides of two ends of the chassis frame 11, the steering mechanism 12 is connected with the front wheels 14, the driving device 13 is connected with the rear wheels 15, the control system 3 is arranged on the chassis frame 11, the lifting system 2 comprises a supporting frame 21, a suspension arm 22, a hydraulic mechanism 23 and a lifting mechanism 24, the supporting frame 21 is fixed on the chassis frame 11, the suspension arm 22 comprises a first suspension arm 221 and a second suspension arm 222, the hydraulic mechanism 23 comprises a first hydraulic rod 231 and a second hydraulic rod 232, one end of the first suspension arm 221 is pivotally connected with the supporting frame 21, the other end is sleeved with the second suspension arm 222, two ends of the first hydraulic rod 231 are respectively connected, two ends of the second hydraulic rod 232 are respectively connected to the first boom 221 and the second boom 222 to drive the second boom 222 to extend and retract relative to the first boom 221, one end of the second boom 222, which is far away from the first boom 221, is provided with a pulley (not shown in the figure), the lifting mechanism 24 is arranged on the first boom 221 and the lifting rope 241 thereof is connected with the pulley, a counterweight 16 is arranged on the chassis frame 11 in a direction away from the connection between the first boom 221 and the support frame 21, and the driving device 13, the hydraulic mechanism 23 and the lifting mechanism 24 are electrically connected with the control system 3. As an example, the front wheels 14 are hand-pulled pulleys with steering function, and the steering mechanism 12 includes a steering wheel and a connecting shaft connected to the steering wheel, and the connecting shaft is connected to the hand-pulled pulleys.
By arranging the traveling system 1 and the hoisting system 2, the two functions of moving and hoisting are integrated into a hoisting trolley, so that the hoisting trolley can flexibly move on a bridge and is not limited by the terrain, the guardrail template can be directly hoisted, the trouble of common work of a crane and a forklift is avoided, and the construction efficiency is improved; the steering mechanism 12 controls the steering of the front wheels 14, so that the hoisting trolley can move flexibly; the first hydraulic rod 231 drives the first suspension arm 221 to rotate around the pivoting ends of the first suspension arm 221 and the support frame 21, so that the lifting angle of the first suspension arm 221 can be adjusted; the second hydraulic rod 232 drives the second boom 222 to extend or retract along the first boom 221, so as to adjust the length of the boom; the lifting rope 241 of the lifting mechanism 24 realizes the lifting of the guardrail template through the pulley at the end part of the second lifting arm 222; constructors control the hoisting trolley through the control system 3, the operation is flexible, the automation degree is high, the operation can be completed by a single person, and the labor consumption is greatly reduced.
One end of the first hydraulic rod 231 is connected to the bottom of the support frame 21, the first suspension arm 221 is connected to the top of the support frame 21, that is, the height of the joint between the first hydraulic rod 231 and the support frame 21 relative to the ground is lower than the height of the joint between the first suspension arm 221 and the support frame 21 relative to the ground, the other end of the first hydraulic rod 231 is pivotally connected to the position of the first suspension arm 221 close to the support frame 21, so as to support the first suspension arm 221 by the first hydraulic rod 231, the inclination direction of the first suspension arm 221 relative to the support frame 21 faces the direction of the rear wheel, and the diameter of the rear wheel is larger than that of the front wheel 14.
By arranging the first hydraulic rod 231 below the first suspension arm 221, on one hand, the arrangement and the operation of the lifting mechanism 24 are not hindered, and on the other hand, the first hydraulic rod 231 can support the first suspension arm 221 on the basis of adjusting the hoisting angle of the first suspension arm 221, so that the feasibility and the stability of the operation of the suspension arm 22 are ensured; the first arm 221 is inclined towards the rear wheel, so that when the arm 22 works, the pressure applied to the rear wheel 15 is larger, and the diameter of the rear wheel 15 is larger than that of the front wheel 14, so that the contact area between the rear wheel 15 and the ground is increased, and the weight born by the rear wheel 15 per unit area is reduced; meanwhile, the adhesive force of the rear wheel 15 is increased, so that the rear wheel 15 is prevented from slipping in the advancing process, and cannot advance when encountering a concave-convex road surface; the smaller diameter of the front wheels 14 facilitates the easy changing of the direction of the front wheels 14 by the operator through the steering mechanism 12.
The chassis frame 11 is provided with a slewing bearing structure 17, and the support frame 21 is connected with the slewing bearing structure 17 through a connecting platform 18. Through setting up slewing bearing structure 17, hoist and mount system 2 can rotate for chassis frame 11, makes the hoist and mount dolly more nimble, has reduced a lot of work that originally need constructor manual operation, has reduced labour consumption, has improved the efficiency of construction.
Be provided with seat 19 on chassis frame 11, seat 19 includes support column and seat support, and the support column top just can use the support column to rotate as the center pin is located to the seat support cover. A seat 19 is arranged on the chassis frame 11, so that a constructor can conveniently sit on the seat 19 to operate the hoisting trolley; the seat of seat 19 is arranged to rotate about the support post, facilitating the operator to rotate seat 19 to a comfortable position to operate steering mechanism 12 and control system 3.
The stopping mechanism 4 is arranged at the position, close to the advancing direction of the front wheel 14, of the bottom of the chassis frame 11, the stopping mechanism 4 comprises a hydraulic telescopic arm 41 and a stopping plate 42, one end of the hydraulic telescopic arm 41 is connected with the chassis frame 11, the other end of the hydraulic telescopic arm is connected with the stopping plate 42, the hydraulic telescopic arm 41 is arranged in a mode of inclining towards the direction of the front wheel 14 from outside, and therefore when the hydraulic telescopic arm 41 drives the stopping plate 42 to move, the stopping plate 42 can not collide with the front wheel 14 and can just abut against the front wheel 14 when abutting against the ground. Through setting up backstop mechanism 4, when the hoist and mount dolly opened to suitable position and stopped, the hydraulic pressure flexible arm 41 of control backstop mechanism 4 drives backstop plate 42 and moves to leaning on ground, and one side contact front wheel 14 of backstop plate 42 prevents that the hoist and mount dolly from removing at the working process.
The side of the stop plate 42 that contacts the front wheel 14 abuts the front wheel 14, and the bottom of the stop plate 42 is provided with a friction structure. With this arrangement, the contact area of the stopper plate 42 with the front wheel 14 is large, increasing the friction force between the stopper plate 42 and the front wheel 14; the friction structure increases the friction force between the stop plate 42 and the ground, so that the hoisting trolley is prevented from moving in the working process, and the stability of the hoisting trolley is improved.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The hoisting trolley for hoisting the guardrail template is characterized by comprising a traveling system, a hoisting system and a control system, wherein the traveling system comprises a chassis frame, a steering mechanism, a driving device, a front wheel and a rear wheel, the front wheel and the rear wheel are respectively arranged on two sides of two ends of the chassis frame, the steering mechanism is connected with the front wheel, the driving device is connected with the rear wheel, the control system is arranged on the chassis frame,
the hoisting system comprises a support frame, a suspension arm, a hydraulic mechanism and a lifting mechanism, wherein the support frame is fixed on the chassis frame, the suspension arm comprises a first suspension arm and a second suspension arm, the hydraulic mechanism comprises a first hydraulic rod and a second hydraulic rod, one end of the first suspension arm is connected with the support frame in a pivoting manner, the other end of the first suspension arm is sleeved with the second suspension arm, two ends of the first hydraulic rod are respectively connected with the support frame and the first suspension arm, two ends of the second hydraulic rod are respectively connected with the first suspension arm and the second suspension arm, one end of the second suspension arm, far away from the first suspension arm, is provided with a pulley, the lifting mechanism is arranged on the first suspension arm and a lifting rope of the lifting mechanism is connected with the pulley, and a balancing weight is arranged in the direction of the chassis frame, which deviates from the joint.
2. The hoisting trolley for hoisting the guardrail formwork as claimed in claim 1, wherein the height of the joint of the first hydraulic rod and the support frame relative to the ground is lower than the height of the joint of the first boom and the support frame relative to the ground so as to support the first boom by the first hydraulic rod, the first boom inclines towards the direction of the rear wheels relative to the support frame, and the diameter of the rear wheels is larger than that of the front wheels.
3. The hoisting trolley for hoisting the guardrail formwork as claimed in claim 1, wherein a slewing bearing structure is arranged on the chassis frame, and the support frame is connected with the slewing bearing structure through a connecting platform.
4. The hoisting trolley for hoisting the guardrail formwork as claimed in claim 2 or 3, wherein the chassis frame is provided with a seat, the seat comprises a support column and a seat, and the seat is sleeved on the support column and can rotate by taking the support column as a central shaft.
5. The hoisting trolley for hoisting the guardrail formwork as claimed in claim 2 or 3, wherein a stopping mechanism is arranged at a position, close to the advancing direction of the front wheel, of the bottom of the chassis frame, the stopping mechanism comprises a hydraulic telescopic arm and a stopping plate, one end of the hydraulic telescopic arm is connected with the chassis frame, the other end of the hydraulic telescopic arm is connected with the stopping plate, and the hydraulic telescopic arm can drive the stopping plate to abut against the ground and contact the front wheel.
6. The hoisting trolley for hoisting the guardrail formwork as claimed in claim 5, wherein the side surface of the stop plate contacting with the front wheel is attached to the front wheel.
7. The hoisting trolley for hoisting the guardrail formwork as claimed in claim 5, wherein the bottom of the stop plate is provided with a friction structure.
CN202020365554.2U 2020-03-21 2020-03-21 Hoisting trolley for hoisting guardrail template Active CN211769922U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020365554.2U CN211769922U (en) 2020-03-21 2020-03-21 Hoisting trolley for hoisting guardrail template

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020365554.2U CN211769922U (en) 2020-03-21 2020-03-21 Hoisting trolley for hoisting guardrail template

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CN211769922U true CN211769922U (en) 2020-10-27

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CN202020365554.2U Active CN211769922U (en) 2020-03-21 2020-03-21 Hoisting trolley for hoisting guardrail template

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113001556A (en) * 2021-02-01 2021-06-22 珠海巧力林业机械科技有限公司 Material collecting robot
CN114275688A (en) * 2021-11-18 2022-04-05 中建八局第一建设有限公司 Movable angle-adjustable automatic material lifting device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113001556A (en) * 2021-02-01 2021-06-22 珠海巧力林业机械科技有限公司 Material collecting robot
CN114275688A (en) * 2021-11-18 2022-04-05 中建八局第一建设有限公司 Movable angle-adjustable automatic material lifting device

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