A template trolley

By designing a formwork trolley that can move along the bridge deck and drive operators, the problem of low efficiency in formwork installation and cantilever pole removal in the prior art is solved, and more efficient bridge side wall operation is achieved.

CN114852877BActive Publication Date: 2025-02-14ZHEJIANG ZHONGJIAN ROAD & BRIDGE EQUIP
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Patent Information

Application Number
CN202210477943.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-05-05
Publication Date
2025-02-14
Estimated Expiration
2042-05-05

AI Technical Summary

Technical Problem

During the existing bridge construction process, the formwork installation and cantilever pole removal efficiency are low, and the manual moving frame is cumbersome, which affects the work efficiency.

Method used

A formwork car is designed that can move along the bridge deck, driving operators to the side wall of the bridge, and has the function of lifting formwork tools to simplify the formwork installation and cantilever pole removal process.

Benefits of technology

The efficiency of template installation and cantilever pole removal is improved, the trouble of manual movement is reduced, and the work efficiency is significantly improved.

✦ Generated by Eureka AI based on patent content.

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    Figure CN114852877B_ABST
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Abstract

The present invention discloses a template trolley, comprising a trolley chassis placed on the top surface of a bridge frame, a plurality of front and rear corresponding vertical support columns are fixed to the top surfaces of the front and rear ends of the trolley chassis, a main transverse beam extending front and rear is fixed on the top surfaces of the two front and rear corresponding vertical support columns, and the front part of the main transverse beam extends out of the vertical support column at the front end; a transverse through groove penetrating up and down is formed in the middle part of the main transverse beam, a transverse rack extending front and rear is fixed on the bottom surface of the main transverse beam, a movable shell is inserted on the main transverse beam, a main vertical connecting arm is installed in the middle part of the movable shell, and the upper part of the main vertical connecting arm is inserted in the corresponding transverse through groove; the movable shell can move along the bridge deck, and can move the operator to the side wall of the bridge body, and can lift tools such as the template at the same time, so as to facilitate the installation of the template and the removal of the cantilever strut, and the effect is good and the efficiency is high.
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Description

Technical field:

[0001] The present invention relates to the technical field of lifting equipment, and more specifically to a template trolley. Background technology:

[0002] In the existing bridge construction process, it is necessary to install templates on the side walls of the bridge body and remove the cantilever struts. The existing disassembly and installation is to install the frame at the position where disassembly and installation are required, and people climb to the side of the bridge body along with the frame to install the template and remove the cantilever struts. The effect is poor and the efficiency is low. Moreover, after dismantling or installing one place, the frame must be manually moved to another workstation, which is very troublesome. Summary of the invention:

[0003] The purpose of the present invention is to overcome the shortcomings of the prior art and provide a template trolley which can move along the bridge deck, move the operator to the side wall of the bridge body, and at the same time lift the template and other tools to facilitate the installation of the template and the disassembly of the cantilever struts, with good effect and high efficiency.

[0004] The solution of the present invention to solve the technical problem is:

[0005] A template trolley comprises a trolley chassis placed on the top surface of a bridge frame, a plurality of front and rear corresponding vertical support columns are fixed to the top surfaces of the front and rear parts of the trolley chassis, a main transverse beam extending front and rear is fixed to the top surfaces of two front and rear corresponding vertical support columns, and the front part of the main transverse beam extends out of the front vertical support column;

[0006] A transverse through slot is formed in the middle of the main transverse beam, which runs through the upper and lower parts. A transverse rack extending forward and backward is fixed to the bottom surface of the main transverse beam. The movable housing is inserted into the main transverse beam. A main vertical connecting arm is installed in the middle of the movable housing. The upper part of the main vertical connecting arm is inserted into the corresponding transverse through slot. The top of the main vertical connecting arm extends out of the top surface of the movable housing. A movable transverse beam is provided between the tops of the two corresponding main vertical connecting arms on the left and right. The movable transverse beam is fixed to the top surfaces of the two corresponding movable housings. A movable driving motor is fixed to the outer side wall of the lower part of the movable housing. An outer tooth portion is formed on the outer side wall of the output shaft of the movable driving motor, and the outer tooth portion is meshed with the corresponding transverse rack.

[0007] A vertical rectangular through hole is formed in the middle of the main vertical connecting arm, and the upper part of the lifting rod is inserted into the rectangular through hole of the main vertical connecting arm, and the lifting rod matches the vertical rectangular through hole;

[0008] The bottom ends of all lifting rods are fixed on the top surface of the same mounting platform. The mounting platform is located in front of the bridge frame. An upper guardrail frame is fixed to the front top surface of the mounting platform. The first electric chain hoist is installed on the movable transverse beam. All hooks of the first electric chain hoist are hung on the upper guardrail frame.

[0009] A counterweight is installed at the rear end of the trolley chassis, and the counterweight is located behind the rear vertical support column.

[0010] A second movable housing is inserted on the main transverse beam, a second movable transverse beam is arranged between two adjacent second movable housings, the end of the second movable transverse beam is fixed on the top surface of the corresponding second movable housing, and a second electric chain hoist is installed on the second movable transverse beam.

[0011] The second movable transverse beam is located behind the movable transverse beam.

[0012] A polytetrafluoroethylene plate is fixed on the top surface of the main transverse beam, and guide plates are fixed on the inner side walls of the left and right side plates of the movable housing and the second movable housing, and the bottom surface of the guide plate is closely attached to the top surface of the corresponding polytetrafluoroethylene plate.

[0013] The trolley chassis is a frame-type frame, and rear wheel frames are fixed to the left parts of the bottom surfaces of the front and rear side beams of the trolley chassis. The rear wheels are movably connected to the rear wheel frames through hinged shafts. A reduction motor is fixed to the side wall of the rear wheel frame, and the reduction motor drives the corresponding rear wheel to rotate.

[0014] The right parts of the front and rear side beams of the trolley chassis are both hinged to the front wheel frame through a vertical rotating shaft, and the front wheel frame is movably connected to the front wheel through a bearing;

[0015] A connecting portion is fixed or formed on the left side of the front wheel frame, and two ends of the steering connecting rod extending forward and backward are movably connected to the connecting portions of two corresponding front wheel frames through a hinge shaft;

[0016] A middle connecting beam is provided between the right ends of the front and rear side beams of the trolley chassis, and the end of the middle connecting beam is fixed to the right inner wall of the corresponding side beam;

[0017] A steering connection seat is fixed in the middle of the middle connection beam, and an electric push rod is movably connected to the rotating connection seat through a hinge shaft. A steering connection part is fixed to the right end of one of the front wheel frames, and the push rod end of the electric push rod is movably connected to the steering connection part through a hinge shaft.

[0018] The outstanding effects of the present invention are:

[0019] Compared with the prior art, it can move along the bridge deck, and can move the operator to the side wall of the bridge body. At the same time, it can lift tools such as formwork to facilitate the installation of formwork and the disassembly of cantilever struts, with good effect and high efficiency. Description of the drawings:

[0020] Figure 1 It is a schematic diagram of the structure of the present invention;

[0021] Figure 2It is a partial structural schematic diagram of the second movable housing of the present invention;

[0022] Figure 3 It is a schematic diagram of the local structure of the installation platform of the present invention;

[0023] Figure 4 It is a schematic diagram of the local structure of the electric push rod;

[0024] Figure 5 is a partial structural schematic diagram of the second movable housing and the main transverse beam;

[0025] Figure 6 It is a schematic diagram of the local structure of the moving shell and the main transverse beam. Specific implementation method:

[0026] For example, see Figures 1 to 6 As shown, a template trolley includes a movable trolley frame composed of two trolley chassis 10 placed on the top surface of a bridge frame 100. The trolley chassis 10 is a rectangular frame. Four front and rear corresponding vertical support columns 11 are fixed to the left and right parts of the top surface of the front and rear parts of the trolley chassis 10, respectively. The main transverse beam 12 extending front and rear is fixed on the top surface of the two front and rear corresponding vertical support columns 11, and the front part of the main transverse beam 12 extends out of the front vertical support column 11; the adjacent sides of the two trolley chassis 10 are fixedly connected. The adjacent two vertical support columns 11 of the two trolley chassis 10 are fixed by a side connecting block.

[0027] The main transverse beam 12 is composed of two channel steels 123 and two end plates 124. An end plate 124 is provided between the ends of the same side of the two channel steels 123. The side walls of the end plate 124 are welded and fixed to the inner side walls of the corresponding channel steels 123. A transverse through groove 121 is formed between the two channel steels 123 and runs through from top to bottom. A transverse rack 122 extending forward and backward is fixed to the bottom surface of one of the channel steels 123 of the main transverse beam 12. The mobile housing 20 and the second mobile housing 50 are inserted and sleeved on the main transverse beam 12.

[0028] The movable housing 20 and the second movable housing 50 each include two left and right side fixing plates 201, the two side fixing plates 201 are located at the left and right sides of the main transverse beam 12, and the top ends of the two side fixing plates 201 are fixed with upper connecting plates; a plurality of double-headed screws are provided between the upper and lower parts of the two side fixing plates 201, and the screwed parts at both ends of the double-headed screws extend out of the corresponding side fixing plates 201 and are screwed with two nuts pressed against each other, and the nuts at the inner side are pressed against the outer side walls of the side fixing plates 201, and the main transverse beam 12 is located between the upper double-headed screw and the lower double-headed screw;

[0029] A movable transverse beam 30 is provided between the upper parts of the left and right movable shells 20 of the trolley chassis 10, and the bottom surfaces of the left and right ends of the movable transverse beam 30 are fixedly connected to the upper connecting plate of the movable shell 20 by bolts; a second movable transverse beam 52 is provided between the upper parts of the left and right second movable shells 50 of the trolley chassis 10, and the bottom surfaces of the left and right ends of the second movable transverse beam 52 are fixedly connected to the upper connecting plate of the second movable shell 50 by bolts; the two second movable transverse beams 52 are connected and fixed at their near ends by a connecting block.

[0030] A main vertical connecting arm 21 is installed in the middle of the mobile housing 20, and the upper part of the main vertical connecting arm 21 is located between the two side fixing plates 201, which is inserted into the horizontal through groove 121 of the corresponding main horizontal beam 12, and the top of the main vertical connecting arm 21 extends out of the top surface of the mobile housing 20, and a connecting seat is fixed on the top side wall of the main vertical connecting arm 21, and the connecting seat is fixedly connected to the corresponding mobile horizontal beam 30 by bolts, and the lower part of the outer side wall of one of the side fixing plates 201 of the mobile housing 20 and the second mobile housing 50 is fixed with a mobile driving motor 22, and the outer side wall of the output shaft of the mobile driving motor 22 is formed with an external tooth portion, which meshes with the corresponding horizontal rack 122;

[0031] A vertical rectangular through hole is formed in the middle of the main vertical connecting arm 21, and the upper part of the lifting rod 23 is inserted into the rectangular through hole of the main vertical connecting arm 21, and the lifting rod 23 matches the vertical rectangular through hole;

[0032] The bottom ends of all lifting rods 23 are fixed on the top surface of the same mounting platform 40. The mounting platform 40 is located in front of the bridge frame 100. An upper guardrail frame 41 is fixed to the front end top surface of the mounting platform 40. The first electric chain hoist 1 is installed on the movable transverse beam 30. All hooks of the first electric chain hoists 1 are hung on the upper guardrail frame 41 (in the attached figure, the hooks of the first electric chain hoists 1 are not hung on the upper guardrail frame 41).

[0033] A counterweight 2 is installed at the rear end of the trolley chassis 10 , and the counterweight 2 is located behind the rear vertical support column 11 .

[0034] The second electric chain hoist 3 is installed on the second movable transverse beam 52 .

[0035] Furthermore, the second movable transverse beam 50 is located behind the movable transverse beam 30 .

[0036] The top surfaces of the two channel steels 123 of the main transverse beam 12 are fixed with polytetrafluoroethylene plates 4, and the inner side walls of the left and right side fixing plates 201 of the mobile housing 20 and the second mobile housing 50 are fixed with transversely extending guide plates 5, and the bottom surfaces of the guide plates 5 are closely attached to the top surfaces of the corresponding polytetrafluoroethylene plates 4. The limiting plates are fixed on the left and right side wall surfaces of the middle part of the main transverse beam 12 to limit the backward movement of the mobile housing 20 or the second mobile housing 50.

[0037] A rear wheel frame 13 is fixed to the left part of the bottom surface of the front and rear side beams of the two trolley chassis 10, and a rear wheel 14 is movably connected to the rear wheel frame 13 through an articulated shaft. A reduction motor 15 is fixed to the side wall of the rear wheel frame 13, and the middle part of the articulated shaft of the rear wheel 14 is fixed to the rear wheel 14, and the articulated shaft of the rear wheel 14 is movably connected to the rear wheel frame 13 through a bearing, and one end of the articulated shaft of the rear wheel 14 is inserted into the power output hole of the reduction motor 15 and fixed by a key connection, and the reduction motor 15 drives the corresponding rear wheel 14 to rotate and move.

[0038] Furthermore, the right parts of the front and rear side beams of the vehicle chassis 10 are both hinged with a front wheel frame 16 through a vertical shaft, and a front wheel 17 is movably connected to the front wheel frame 16 through a bearing;

[0039] A connecting portion 161 is fixed or formed on the left side of the front wheel frame 16, and two ends of the steering connecting rod 18 extending forward and backward are movably connected to the connecting portions 161 of two corresponding front wheel frames 16 through a hinge shaft;

[0040] A middle connecting beam 19 is provided between the right ends of the front and rear side beams of the trolley chassis 10, and the end of the middle connecting beam 19 is fixed to the right inner wall of the corresponding side beam;

[0041] A steering connection seat 191 is fixed in the middle of the middle connection beam 19, and an electric push rod 60 is movably connected to the rotating connection seat 191 through a hinge shaft. A steering connection part 162 is fixed to the right end of one of the front wheel frames 16, and the push rod end of the electric push rod 60 is movably connected to the steering connection part 162 through a hinge shaft.

[0042] A cross-fixed intermediate support frame 80 is provided between the two corresponding front and rear vertical support columns 11 , the front ends of the intermediate support frame 80 are fixed to the front vertical support column 11 , and the rear ends of the intermediate support frame 80 are fixed to the rear vertical support column 11 .

[0043] In this embodiment, the front wheel 17 and the rear wheel 14 are both solid rubber tires.

[0044] A control host is also fixed on the trolley chassis 10, and a controller, a battery and other devices are installed in the control host to provide power for this embodiment. It is a common structure and will not be described in detail.

[0045] A fixed support beam is provided between the front parts of the two main transverse beams 12 at each trolley chassis 10 , and both ends of the fixed support beam are fixed to the front side walls of the corresponding two main transverse beams 12 .

[0046] Working principle: When in use, this embodiment is placed on the top surface of the edge of the bridge frame 100, and it is operated by the reduction motor 15 to realize the movement of the mobile trolley frame. It is operated by the electric push rod 60 at the right trolley bottom frame 10 to realize the steering of the corresponding two front wheels 17, and its rotation angle is ±35 degrees, so that the position of the mobile trolley frame can be moved;

[0047] When the two trolley frames 10 are separated, the electric push rods 60 at each trolley frame 10 are operated to achieve independent control of the steering thereof.

[0048] In this embodiment, when in use, the second electric chain hoist 3 can lift devices such as templates, and the operator is on the installation platform 40. The corresponding mobile drive motor 22 is operated to make the output shaft of the mobile drive motor 22 rotate and move along the transverse rack 122, so that the mobile housing 20 and the second mobile housing 50 can move forward and backward along the main transverse beam 12, so that the mobile transverse beam 30 and the second mobile transverse beam 52 can move forward and backward along the main transverse beam 12, so that the installation platform 40 and the lifted template can move forward and backward;

[0049] At the same time, by lifting and pulling the hook of the first electric chain hoist 1, the lifting rod 23 can be lifted up and down along the main vertical connecting arm 21, so that the height of the installation platform 40 can be adjusted, so that the operator on it can lift and lower it to meet the needs of use;

[0050] Side protective mesh plates are fixed to the top surfaces of the left and right sides of the installation platform 40 .

[0051] In this embodiment, the output shaft of the mobile drive motor 22 is rotated and moved along the transverse rack 122, so that the corresponding mobile shell 20 and the second mobile shell 50 can move forward and backward along the main transverse beam 12. The mobile structure is simple and easy to manufacture, which greatly reduces the manufacturing cost.

[0052] The main transverse beam 12 in this embodiment is composed of two channel steels 123 and two end plates 124. The end faces of the same end of the two channel steels 123 are welded and fixed to the corresponding end plates 124. A transverse through groove 121 running through the two channel steels 123 is formed vertically, which is convenient to process. The transverse through groove 121 does not need to be machined and cut, but is assembled by welding to form the transverse through groove 121, thereby greatly reducing the processing difficulty and processing cost.

[0053] Finally, the above implementation modes are only used to illustrate the present invention, and are not intended to limit the present invention. Ordinary technicians in the relevant technical field may make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, all equivalent technical solutions also belong to the scope of the present invention. The scope of patent protection of the present invention should be defined by the claims.

Claims

1. A template trolley, comprising a trolley chassis (10) placed on the top surface of a bridge (100), characterized in that: A plurality of front and rear corresponding vertical support columns (11) are fixed to the top surfaces of the front and rear parts of the trolley chassis (10); a main transverse beam (12) extending front and rear is fixed to the top surfaces of two front and rear corresponding vertical support columns (11); and a front part of the main transverse beam (12) extends out of the front vertical support column (11); A transverse through groove (121) extending upward and downward is formed in the middle of the main transverse beam (12), a transverse rack (122) extending forward and backward is fixed on the bottom surface of the main transverse beam (12), the movable housing (20) is inserted into the main transverse beam (12), a main vertical connecting arm (21) is installed in the middle of the movable housing (20), the upper part of the main vertical connecting arm (21) is inserted into the corresponding transverse through groove (121), the top of the main vertical connecting arm (21) extends out of the top surface of the movable housing (20), a movable transverse beam (30) is provided between the tops of the two corresponding main vertical connecting arms (21) on the left and right, the movable transverse beam (30) is fixed on the top surfaces of the two corresponding movable housings (20), a movable drive motor (22) is fixed on the lower outer wall of the movable housing (20), an outer tooth portion is formed on the outer wall of the output shaft of the movable drive motor (22), and the outer tooth portion is meshed with the corresponding transverse rack (122); A vertical rectangular through hole is formed in the middle of the main vertical connecting arm (21), and the upper part of the lifting rod (23) is inserted into the rectangular through hole of the main vertical connecting arm (21), and the lifting rod (23) matches the vertical rectangular through hole; The bottom ends of all lifting rods (23) are fixed on the top surface of the same mounting platform (40), the mounting platform (40) is located in front of the bridge frame (100), an upper guardrail frame (41) is fixed to the front top surface of the mounting platform (40), a first electric chain hoist (1) is installed on the movable transverse beam (30), and all hooks of the first electric chain hoists (1) are hung on the upper guardrail frame (41).

2. A template trolley according to claim 1, characterized in that: A counterweight (2) is installed at the rear end of the trolley chassis (10), and the counterweight (2) is located behind the rear vertical support column (11).

3. According to the new type of template trolley according to claim 1, it is characterized by: A second movable housing (50) is inserted and sleeved on the main transverse beam (12), a second movable transverse beam (52) is provided between two adjacent second movable housings (50), an end of the second movable transverse beam (52) is fixed on the top surface of the corresponding second movable housing (50), and a second electric chain hoist (3) is installed on the second movable transverse beam (52).

4. A template trolley according to claim 3, characterized in that: The second movable transverse beam (50) is located behind the movable transverse beam (30).

5. A template trolley according to claim 1, characterized in that: A polytetrafluoroethylene plate (4) is fixed to the top surface of the main transverse beam (12), and guide plates (5) are fixed to the inner side walls of the left and right side plates of the movable housing (20) and the second movable housing (50), and the bottom surface of the guide plate (5) is in close contact with the top surface of the corresponding polytetrafluoroethylene plate (4).

6. A template trolley according to claim 1, characterized in that: The trolley chassis (10) is a frame-type chassis, and rear wheel frames (13) are fixed to the left parts of the bottom surfaces of the front and rear side beams of the trolley chassis (10), and rear wheels (14) are movably connected to the rear wheel frames (13) via hinged shafts. A reduction motor (15) is fixed to the side wall of the rear wheel frames (13), and the reduction motor (15) drives the corresponding rear wheel (14) to rotate.

7. A template trolley according to claim 6, characterized in that: The right parts of the front and rear side beams of the trolley chassis (10) are both hingedly connected to a front wheel frame (16) via a vertical rotating shaft, and a front wheel (17) is movably connected to the front wheel frame (16) via a bearing; A connecting portion (161) is fixed or formed on the left side of the front wheel frame (16), and two ends of a steering connecting rod (18) extending forward and backward are movably connected to the connecting portions (161) of two corresponding front wheel frames (16) through a hinge shaft; A middle connecting beam (19) is provided between the right ends of the front and rear side beams of the trolley chassis (10), and the end of the middle connecting beam (19) is fixed to the right inner wall of the corresponding side beam; A steering connection seat (191) is fixed in the middle of the middle connection beam (19), and an electric push rod (60) is movably connected to the rotation connection seat (191) via a hinge shaft. A steering connection part (162) is fixed to the right end of one of the front wheel frames (16), and a push rod end of the electric push rod (60) is movably connected to the steering connection part (162) via a hinge shaft.

Citation Information

Patent Citations

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    CN113250095A

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    CN114408819A