CN111648232A - Bridge cast-in-place concrete crash guardrail formwork trolley - Google Patents

Abstract

The invention discloses a formwork trolley for a cast-in-place concrete anti-collision guardrail of a bridge, comprising: a trolley body, a formwork hoisting device and a working platform; wherein, the trolley body includes: a base; a plurality of uprights, one end of which is respectively connected to both ends of the trolley; a plurality of transverse arms, respectively connected to the other ends of the plurality of uprights; the formwork hoisting device is arranged on the plurality of transverse arms, and is used for hoisting the collision guardrail formwork; The work platform is connected to the plurality of cross arms. The cast-in-situ concrete anti-collision guardrail template trolley of the invention realizes the mechanization of the construction of the cast-in-place concrete anti-collision guardrail of the bridge, reduces labor costs, ensures construction progress, reduces construction risks, and improves construction quality.

Description

Bridge cast-in-place concrete crash guardrail formwork trolley

technical field

The invention relates to the technical field of bridge construction, in particular to a bridge cast-in-place concrete anti-collision guardrail template trolley.

Background technique

In recent years, the vigorous development of highway infrastructure in my country has led to the rapid growth of highway and bridge construction. It is increasingly important to improve the overall strength and appearance of the bridge concrete anti-collision guardrail, reduce the operating strength and speed up the construction progress. Mechanized construction is an effective way to solve this problem. The bridge concrete anti-collision guardrail formwork installation trolley (hereinafter referred to as "anti-collision guardrail trolley") is the embodiment of mechanized construction technology, which can realize the supporting operations of mechanized construction, save costs, Reduce labor intensity and construction risks.

At present, most of the construction formwork installation of concrete anti-collision guardrails of highway bridges in my country still uses cranes to cooperate with manual operations, and the number of people required for the operation is large. In the process of formwork erection and reinforcement, construction personnel rely on hanging baskets for operation, which is labor-intensive and safety risks. High, construction progress is slow.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide a bridge cast-in-situ concrete anti-collision guardrail formwork trolley, so as to solve the problem of the large number of workers in the prior art. , the labor intensity is high, the safety risk is high, and the construction progress is slow.

In order to solve the above-mentioned technical problems, according to one aspect of the present invention, a formwork trolley for cast-in-place concrete anti-collision guardrails for bridges is provided, including: a trolley body, a formwork hoisting device and a work platform;

Wherein, the trolley body includes:

base;

a plurality of uprights, one end of which is respectively connected to both ends of the trolley;

a plurality of transverse arms, respectively connected to the other ends of the plurality of uprights;

The formwork hoisting device is arranged on the plurality of transverse arms, and is used for hoisting the formwork of the anti-collision guardrail;

The work platform is connected to the plurality of cross arms.

Further, the transverse arm includes a first support arm and a second support arm, and one end of the first support arm and one end of the second support arm are respectively connected to the upright column;

the formwork hoisting device is arranged on the first support arm;

the working platform is connected to the other end of the first support arm; and

The bridge cast-in-place concrete anti-collision guardrail template trolley also includes:

A counterweight device is connected to the second support arm to maintain the balance of the formwork trolley for the cast-in-place concrete crash barrier of the bridge.

Further, the formwork hoisting device includes:

The rolling seat guide rail is arranged on the first support arm along the length direction of the first support arm;

a rolling seat, which can be rolled along the rolling seat guide rail and is connected to the rolling seat guide rail;

The first telescopic mechanism, connected to the rolling seat, is used to realize the lifting and lowering of the template hoisting device.

Further, the operation platform includes:

a third support arm, connected to the other end of the first support arm;

a second telescopic mechanism, one end of which is connected to the third support arm;

The working platform body is connected to the other end of the second telescopic mechanism.

Further, the trolley body also includes:

a plurality of walking wheels, respectively arranged on the lower parts of the two ends of the base;

The driving device is used for driving the traveling wheel arranged at one end of the base.

Further, the traveling wheel at one end of the base is provided with a coupling, and through the separation and combination of the coupling, the single-wheel drive and double-wheel drive of the traveling wheel at one end of the base are realized.

Further, the traveling wheel at the other end of the base is provided with a full hydraulic steering mechanism, so as to realize the 360-degree rotation of the traveling wheel at the other end.

Further, the trolley body also includes:

The supporting device is provided at the lower part of the base to support the cast-in-place concrete crash guardrail formwork trolley of the bridge when the formwork for the crashproof guardrail is hoisted.

Further, the supporting device is a plurality of hydraulic jacks, which are respectively arranged on both sides of the lower part of the base.

Further, the trolley body also includes:

a plurality of first reinforcing mechanisms, one end is respectively connected to the upright column, and the other end is connected to the cross arm;

Two ends of the second reinforcing mechanism are respectively connected to the adjacent vertical columns.

Compared with the prior art, the present invention has obvious advantages and beneficial effects. With the above technical solution, a formwork trolley of the present invention for a cast-in-situ concrete anti-collision guardrail of a bridge can achieve considerable technical progress and practicability, and has extensive industrial value, and at least has the following advantages:

(1) The bridge cast-in-situ concrete anti-collision guardrail template trolley of the present invention realizes the mechanization of the construction of the bridge cast-in-situ concrete anti-collision guardrail, reduces labor costs, ensures construction progress, reduces construction risks, and improves construction quality.

(2) The present invention enables the hoisting of the anti-collision guardrail formwork and the manual operation to be performed synchronously through the setting of the working platform, thereby effectively ensuring the construction progress.

(3) The present invention realizes the flexible adjustment of the placement position of the anti-collision guardrail template through the setting of the template hoisting device.

(4) In the present invention, the full hydraulic steering mechanism is arranged on the traveling wheel, which realizes the 360-degree rotation of the traveling wheel, which is beneficial to the flexible and fast movement of the cast-in-place concrete anti-collision guardrail formwork trolley.

(5) In the present invention, by installing the support device at the lower part of the base, the stable operation of the trolley during the hoisting process is effectively ensured, and the safety of the operators of the working platform is ensured.

The above description is only an overview of the technical solutions of the present invention, in order to be able to understand the technical means of the present invention more clearly, it can be implemented according to the content of the description, and in order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand , the following specific preferred embodiments, and in conjunction with the accompanying drawings, are described in detail as follows.

Description of drawings

FIG. 1 shows a schematic structural diagram of a formwork trolley for a bridge cast-in-place concrete crash barrier according to an embodiment of the present invention.

【Symbol Description】

1: Trolley body, 11: Base, 12: Upright column, 13: Cross arm, 131: First support arm, 132: Second support arm, 14: Walking wheel, 15: Support device, 16: First reinforcement mechanism, 17: Second reinforcement mechanism, 2: Formwork lifting device, 21: First telescopic mechanism, 3: Work platform, 31: Third support arm, 32: Second telescopic mechanism, 33: Work platform body, 4: Counterweight device

Detailed ways

In order to further illustrate the technical means and effects adopted by the present invention to achieve the predetermined purpose of the invention, the specific implementation of a formwork trolley for a bridge cast-in-place concrete crash guardrail according to the present invention will be described below in conjunction with the accompanying drawings and preferred embodiments. The method and its effect are described in detail as follows.

The embodiment of the present invention provides a bridge cast-in-place concrete anti-collision guardrail formwork trolley, as shown in FIG.

The trolley body 1 includes a base 11 , a plurality of uprights 12 and a plurality of transverse arms 13 . One end of the plurality of uprights 12 is connected to the base 11 , and the plurality of transverse arms 13 are respectively connected to the other ends of the plurality of uprights 12 .

Preferably, the number of the uprights 12 and the transverse arms 13 is two, the two uprights 12 are respectively connected to both ends of the base 11 , and the two transverse arms 13 are respectively erected on the uprights 12 .

In one embodiment, the trolley body 1 further includes a plurality of traveling wheels 14, and the plurality of traveling wheels 14 are arranged at the lower part of the trolley. A device (not shown in the figure) for driving a plurality of traveling wheels 14 .

Specifically, a plurality of traveling wheels 14 are respectively arranged at the lower parts of the two ends of the base 11 respectively, and the driving device is used to drive the traveling wheels 14 arranged at one end of the base 11 to realize rear wheel driving.

A coupling (not shown in the figure) is also provided between the plurality of traveling wheels 14 on which the driving device is installed. When the coupling is coupled, two-wheel drive is realized, and when the coupling is separated, it becomes a single-wheel drive, so that the The steering of the formwork trolley for the cast-in-place concrete crash barrier of the bridge.

Further, in one embodiment, a full hydraulic steering device (not shown in the figure) is provided on the traveling wheel 14 disposed at the other end of the base 11, that is, the traveling wheel 14 without a driving device, so as to make the traveling wheel 14. 14. Realize 360-degree rotation, which is convenient for bridge cast-in-place concrete anti-collision guardrail formwork trolley to turn, turn around, etc.

Preferably, the plurality of traveling wheels 14 are solid rubber tires, so as to ensure the stability of the walking posture of the bridge cast-in-place concrete crash guardrail formwork trolley during the process of hoisting the crash guardrail formwork. The driving of the traveling wheel 14 is driven by a motor-directed cycloidal pinwheel reducer chain.

In one embodiment, as shown in FIG. 1 , a supporting device 15 is also provided at the lower part of the base 11, and the supporting devices 15 are respectively arranged on both sides of the lower part of the base 11, so as to realize the cast-in-place concrete anti-collision guardrail formwork table of the bridge. Full support for the car.

Preferably, the support device 15 is a plurality of hydraulic jacks, which are evenly arranged on the lower part of the base 11 .

In one embodiment, as shown in FIG. 1 , each transverse arm 13 can be divided into a first support arm 131 and a second support arm 132 , and one ends of the first support arm 131 and the second support arm 132 are both connected to the upright column 12, that is, the first support arm 131 and the second support arm 132 take the upright column 12 as the starting point and extend in opposite directions respectively. The formwork hoisting device 2 is disposed on the first support arm 131 , and the working platform 3 is connected to the other end of the first support arm 131 . A counterweight device 4 is provided on the second support arm 132, and the counterweight device 4 is used to maintain the balance of the bridge cast-in-place concrete crash barrier formwork trolley during the process of hoisting the crash barrier formwork.

In order to ensure the structural stability of the trolley body 1 , the first support arm 131 and the second support arm 132 are both connected to the upright column 12 through the first reinforcement mechanism 16 . A second reinforcing mechanism 17 is also connected between each adjacent column 12 .

In one embodiment, the formwork hoisting device 2 includes a rolling seat guide rail (not shown in the figure), a rolling seat (not shown in the figure) and a first telescopic mechanism 21 . The guide rail of the rolling seat is arranged on the first support arm 131 along the length direction of the first support arm 131, the sliding seat can slide along the guide rail of the sliding seat, and one end of the first telescopic mechanism 21 is connected to the sliding seat, and the first telescopic mechanism 21 is connected to the sliding seat. The other end of the mechanism 21 is used to connect the crash barrier template.

Preferably, a hook is provided on the other end of the first telescopic mechanism 21 so as to be connected to the crash barrier template. The first telescopic mechanism 21 is an electric hoist.

In one embodiment, as shown in FIG. 1 , the work platform 3 includes a third support arm 31 , a second telescopic mechanism 32 and a work platform body 33 . The third support arm 31 is connected to the other end of the second support arm 132 , one end of the second telescopic mechanism 32 is connected to the third support arm 31 , and the other end of the second telescopic mechanism 32 is connected to the work platform body 33 . The working platform body 33 can realize the lifting function through the expansion and contraction of the second telescopic mechanism 32 .

Preferably, the second telescopic mechanism 32 is an electric hoist.

In another embodiment, the work platform 3 may not be provided with the third support arm 31 , and the second telescopic mechanism 32 is directly connected to the first support arm 131 .

The bridge cast-in-place concrete anti-collision guardrail formwork trolley of the invention can realize the quick and accurate installation of the formwork through the full hydraulic four-wheel steering and the formwork hoisting device, which speeds up the construction progress, reduces the labor intensity and improves the work efficiency. The hydraulic jack is used to support the bottom of the trolley, which solves the problems of deformation and poor stability of the trolley caused by uneven tire support. The operation platform can be equipped with a manipulator to realize the operator's self-operation. At the same time, a fall arrester is installed on the first support arm to fully ensure the safety of the operator.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form. Although the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. The technical personnel, within the scope of the technical solution of the present invention, can make some changes or modifications to equivalent examples of equivalent changes by using the technical content disclosed above, but any content that does not depart from the technical solution of the present invention, according to the Any simple modifications, equivalent changes and modifications made to the above embodiments still fall within the scope of the technical solutions of the present invention.

Claims (10)

1. a bridge cast-in-place concrete anti-collision guardrail formwork trolley, is characterized in that, comprises: trolley body, formwork hoisting device and working platform; Wherein, the trolley body includes: base; a plurality of uprights, one end of which is respectively connected to both ends of the trolley; a plurality of transverse arms, respectively connected to the other ends of the plurality of uprights; The formwork hoisting device is arranged on the plurality of transverse arms, and is used for hoisting the formwork of the anti-collision guardrail; The work platform is connected to the plurality of cross arms. 2. The bridge cast-in-place concrete crash barrier formwork trolley according to claim 1, wherein the cross arm comprises a first support arm and a second support arm, one end of the first support arm and the One end of the second support arm is respectively connected to the upright column; the formwork hoisting device is arranged on the first support arm; the working platform is connected to the other end of the first support arm; and The bridge cast-in-place concrete anti-collision guardrail template trolley also includes: A counterweight device is connected to the second support arm to maintain the balance of the formwork trolley for the cast-in-place concrete crash barrier of the bridge. 3. The bridge cast-in-place concrete anti-collision guardrail formwork trolley according to claim 2, wherein the formwork hoisting device comprises: The rolling seat guide rail is arranged on the first support arm along the length direction of the first support arm; a rolling seat, which can be rolled along the rolling seat guide rail and is connected to the rolling seat guide rail; The first telescopic mechanism, connected to the rolling seat, is used to realize the lifting and lowering of the template hoisting device. 4. The bridge cast-in-place concrete anti-collision guardrail formwork trolley according to claim 2, wherein the operation platform comprises: a third support arm, connected to the other end of the first support arm; a second telescopic mechanism, one end of which is connected to the third support arm; The working platform body is connected to the other end of the second telescopic mechanism. 5. The bridge cast-in-place concrete anti-collision guardrail formwork trolley according to claim 1, wherein the trolley body further comprises: a plurality of walking wheels, respectively arranged on the lower parts of the two ends of the base; The driving device is used for driving the traveling wheel arranged at one end of the base. 6 . The cast-in-place concrete anti-collision guardrail formwork trolley according to claim 5 , wherein the traveling wheel at one end of the base is provided with a binding member, and through the separation and combination of the binding member, the The walking wheels at one end of the base are driven by single-wheel drive and double-wheel drive. 7. The bridge cast-in-place concrete crash barrier formwork trolley according to claim 5 or 6, wherein the walking wheel at the other end of the base is provided with a full hydraulic steering mechanism, so as to realize the other end of the base. The walking wheel rotates 360 degrees. 8. The bridge cast-in-place concrete anti-collision guardrail formwork trolley according to claim 1, wherein the trolley body further comprises: The supporting device is provided at the lower part of the base to support the cast-in-place concrete crash guardrail formwork trolley of the bridge when the formwork for the crashproof guardrail is hoisted. 9 . The bridge cast-in-place concrete crash guardrail formwork trolley according to claim 8 , wherein the supporting device is a plurality of hydraulic jacks, which are respectively arranged on both sides of the lower part of the base. 10 . 10. The bridge cast-in-place concrete anti-collision guardrail formwork trolley according to claim 1, wherein the trolley body further comprises: a plurality of first reinforcing mechanisms, one end is respectively connected to the upright column, and the other end is connected to the cross arm; Two ends of the second reinforcing mechanism are respectively connected to the adjacent vertical columns.

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