CN212151415U - Engineering truck with adjustable gravity center - Google Patents
Engineering truck with adjustable gravity center Download PDFInfo
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- CN212151415U CN212151415U CN202020432912.7U CN202020432912U CN212151415U CN 212151415 U CN212151415 U CN 212151415U CN 202020432912 U CN202020432912 U CN 202020432912U CN 212151415 U CN212151415 U CN 212151415U
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- engineering truck
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- counterweight
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Abstract
The utility model discloses a focus adjustable machineshop car belongs to the machineshop car field. This focus adjustable machineshop car includes: the utility model discloses a drive assembly drives the balancing weight and removes to the one end of keeping away from the execution subassembly, will bring the focus position of machineshop car body back to the focus that the execution subassembly removed, has solved the problem that the machineshop car body turned on one's side easily, has reduced the probability that causes the injury to the personal safety.
Description
Technical Field
The utility model belongs to the machineshop car field, especially a focus adjustable machineshop car.
Background
The engineering truck is widely applied to heavy object transportation operation in building engineering, the workload of manpower labor is greatly reduced, but when the engineering truck is used for operation in the prior art, the engineering truck is easy to laterally turn due to gravity center movement in the heavy object transportation process to cause danger to the personal safety, so that the engineering truck with the adjustable gravity center needs to be provided for solving the problem that the engineering truck is easy to laterally turn due to the gravity center movement of the engineering truck in the heavy object transportation process, and the probability of injury to the personal safety is reduced.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model provides a focus adjustable machineshop car to solve the above-mentioned problem that prior art exists.
The technical scheme is as follows: a center of gravity adjustable machineshop car comprising: the engineering truck comprises an engineering truck body, an executing assembly and a counterweight assembly, wherein the executing assembly is fixedly connected with the engineering truck body, a cantilever beam extends from the executing assembly to one side of the engineering truck body, and heavy object transportation is carried out through the cantilever beam.
The counterweight assembly comprises a driving assembly fixedly connected with the engineering truck body and a counterweight block fixedly connected with the driving assembly, and the driving assembly drives the counterweight block to move towards the opposite end of the extension direction of the cantilever beam.
In a further embodiment, the driving assembly is located at one end opposite to the extending direction of the cantilever beam, and the driving assembly comprises a first servo motor fixedly installed at one end of the engineering truck body and a rolling shaft in transmission connection with an output shaft of the first servo motor.
The balance weight chain comprises at least three balance weight blocks, wherein the balance weight blocks are hinged with each other to form a balance weight chain, one end of the balance weight chain is hinged with the rolling shaft, the other end of the balance weight chain is connected with the engineering truck body in a sliding mode, the rolling shaft is driven to rotate through the first servo motor, the balance weight chain is wound on the rolling shaft, the other end of the balance weight chain formed by the balance weight blocks slides with the engineering truck body, the center of gravity of the engineering truck body can be adjusted, and the inner space of the engineering truck body can be fully utilized.
In a further embodiment, still include the spout pole of fixed mounting between first servo motor and cantilever beam, spout pole and machineshop car body fixed connection, the spout pole is located the both sides of joining in marriage the heavy chain, join in marriage the balancing weight of heavy chain and all with spout pole sliding connection before the working range that gets into the roll axis, lead to the balancing weight that does not get into the working range of roll axis through the spout pole, can solve first servo motor and drive the problem that the balancing weight chain piled up unable effective reset when the roll axis reversal, solved the problem that the machineshop car body takes place to turn on one's side to first servo motor direction.
In a further embodiment, the counterweight device further comprises a rack and pinion mechanism fixedly installed above the chute rod, and a second servo motor with an output shaft rotatably connected with the rack and pinion mechanism, wherein a base of the second servo motor is fixedly connected with one end, away from the first servo motor, of the counterweight chain, the second servo motor is electrically connected with the first servo motor, and the counterweight block, away from one end of the first servo motor, of the counterweight chain is fixedly installed with the second servo motor and the rack and pinion mechanism, so that the counterweight block actively slides in the chute rod towards the direction away from the first servo motor, and the problems that the first servo motor is overloaded and the service life of the first servo motor is short are solved.
In another embodiment, driving sprockets are fixedly mounted on two sides of the rolling shaft, driven sprockets are fixedly connected on two sides of one end, connected with the counterweight chain in a sliding mode, of the engineering truck body, a transmission chain is fixedly mounted between the driving sprockets and the driven sprockets, two sides, far away from one end of the first servo motor, of the counterweight chain are fixedly connected with the transmission chain, one end, far away from the first servo motor, of the transmission chain is pulled through the transmission chain, the counterweight block, far away from one end of the first servo motor, can slide in the direction, far away from the first servo motor, of the counterweight block in the sliding chute rod in a driving mode, and the problems that the first servo motor is overloaded and the service life of the first servo motor is short are solved.
In a further embodiment, still include focus detection module, focus detection module is including installing the electron spirit level at the machineshop car body intermediate position, electron spirit level is connected with first servo motor electricity, is connected with first servo motor electricity through the electron spirit level, and the focus of the first servo motor adjustment machineshop car of initiative control when the focus of machineshop car takes place has both reduced staff's intensity of labour, has solved the problem that the focus of machineshop car takes place the skew again.
Has the advantages that: the utility model discloses a focus adjustable machineshop car at machineshop car body during operation, drives the balancing weight through drive assembly and removes to the one end of keeping away from the executive component, can take back the focus position of machineshop car body to the focus that the executive component removed originally, has solved the problem that the machineshop car body turned on one's side easily, has reduced the probability that causes the injury to personal safety.
Drawings
Fig. 1 is an assembly schematic of the present invention.
Fig. 2 is a schematic view of the counterweight assembly of the present invention.
Fig. 3 is a schematic view of the chute rod of the present invention.
Fig. 4 is a schematic view of the rack and pinion mechanism of the present invention.
Fig. 5 is a schematic view of the sprocket-chain mechanism of the present invention.
The reference numerals shown in fig. 1 to 5 are: the engineering truck comprises an engineering truck body 1, an execution component 2, a counterweight component 3, a chute rod 4, a gear rack mechanism 5, a second servo motor 6, a chain wheel and chain mechanism 7, a cantilever beam 21, a driving component 31, a counterweight block 32, a first servo motor 311, a rolling shaft 312, a driving sprocket 71, a driven sprocket 72 and a transmission chain 73.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.
The engineering truck is widely applied to heavy object transportation operation in building engineering, the workload of manpower labor is greatly reduced, but the working process of the engineering truck is that after a cantilever beam of the engineering truck lifts a heavy object, the heavy object is transported to a preset area, the gravity center of the engineering truck can deviate from the central position of the engineering truck to the cantilever beam in the process, when the weight of the heavy object is overlarge, the heavy object can also use a connecting point of the cantilever beam and the engineering truck as a fulcrum, and the cantilever beam is used as a lever to pry up the engineering truck to cause the engineering truck to turn over sideways to generate a safety accident, so the applicant develops an engineering truck with adjustable gravity center, solves the problem that the gravity center of the engineering truck deviates towards the direction of the heavy object in the heavy object transportation process, and easily causes the engineering truck to turn over sideways, and reduces.
A center of gravity adjustable machineshop car comprising: the engineering truck comprises an engineering truck body 1, an execution component 2, a counterweight component 3, a chute rod 4, a gear rack mechanism 5, a second servo motor 6, a chain wheel and chain mechanism 7, a cantilever beam 21, a driving component 31, a counterweight block 32, a first servo motor 311, a rolling shaft 312, a driving sprocket 71, a driven sprocket 72 and a transmission chain 73.
As shown in fig. 1, the work vehicle body 1 is a crane vehicle having a turntable, and a level gauge is further installed in a cab of the work vehicle body 1.
The actuating component 2 extends a cantilever beam 21 to one side of the engineering truck body 1, and heavy object transportation work is carried out through the cantilever beam 21.
The counterweight assembly 3 includes a driving assembly 31 and a counterweight 32, and the driving assembly 31 drives the counterweight 32 to move toward the end opposite to the extending direction of the cantilever beam 21.
One end fixed connection of executive module 2 and the revolving stage of machineshop car body 1, the other end fixed connection of counter weight subassembly 3 and revolving stage makes counter weight subassembly 3 and executive module 2 symmetry install on the revolving stage, and wherein, the installation direction of spirit level cooperatees with the extending direction of cantilever beam 21.
The working principle is as follows: firstly, a heavy object to be moved is fixedly connected with the execution assembly 2, then the execution assembly 2 controls the angle between the cantilever beam 21 and the rotating platform to lift the heavy object, then the rotating platform of the engineering truck body 1 is rotated to enable the heavy object to rotate around the central shaft of the rotating platform, and the distance from the heavy object to the engineering truck body 1 is controlled by controlling the telescopic length of the cantilever beam 21, so that the purpose of moving the heavy object to a preset area is achieved.
At the in-process that removes the heavy object, whether the staff observes the bubble of the spirit level in the cockpit is in safety range, judge that the machineshop car body 1 has the danger of turning on one's side, start drive assembly 31 when the bubble of spirit level surpasss safety range, make balancing weight 32 remove to the opposite one end of cantilever beam 21's extending direction, increase balancing weight 32 to cantilever beam 21's arm of force distance, change the arm of force length of fulcrum one side through lever principle, make the lever balanced, thereby reach and will originally bring back the focus position of machineshop car body 1 to the focus that execution subassembly 2 removed, the problem of easily turning on one's side of machineshop car body 1 has been solved, the probability of injury has been caused to the personal safety has been reduced.
In a further embodiment, a common technical means for moving an object from one end to the other end in the prior art is to use a ball screw mechanism, which needs to keep the height constant in the whole stroke during the operation process, and because the executing component 2 is installed at one end of the engineering truck body 1, the internal structure of the engineering truck body 1 is compact at the end where the executing component 2 is installed, and the space at the other end is sufficient, so that the problem that the internal space of the engineering truck body 1 cannot be effectively utilized exists by using the ball screw mechanism.
In order to solve the above problem, the driving assembly 31 is located at the opposite end of the extending direction of the cantilever beam 21, and the driving assembly 31 includes a first servo motor 311 fixedly installed at one end of the machineshop car body 1, and a winding shaft 312 in transmission connection with an output shaft of the first servo motor 311.
At least three counter weight blocks 32 are hinged with each other to form a heavy chain, one end of the heavy chain is hinged with the rolling shaft 312, and the other end is connected with the engineering truck body 1 in a sliding manner.
The winding shaft 312 is driven to rotate through the first servo motor 311, so that the counterweight chain is wound on the winding shaft 312, the other end of the counterweight chain formed by the counterweight block 32 slides with the engineering truck body 1, the gravity center of the engineering truck body 1 can be adjusted, and the inner space of the engineering truck body 1 can be fully utilized.
In a further embodiment, although the counterweight chain is only wound on the winding shaft 312 to balance the engineering vehicle body 1 when the executing assembly 2 is in operation, when the executing assembly 2 stops operating, the winding shaft 312 is only driven by the first servo motor 311 to rotate reversely, so that the counterweight chain is easily accumulated and cannot be effectively reset, the counterweight chain cannot be effectively reset, the gravity center of the engineering vehicle body 1 is easily deviated towards the direction of the first servo motor 311, and the engineering vehicle body 1 is easily turned over towards the direction of the first servo motor 311.
In order to solve the above problem, the engineering truck with the adjustable gravity center further comprises a chute rod 4 fixedly installed between the first servo motor 311 and the cantilever beam 21, the chute rod 4 is fixedly connected with the engineering truck body 1, the chute rod 4 is located at two sides of the counterweight chain, and the counterweight block 32 of the counterweight chain is in sliding connection with the chute rod 4 before entering into the working range of the rolling shaft 312.
As shown in fig. 3, which is a partial cross-sectional view of the chute rods 4, a groove is formed on one side of each of the two chute rods 4, which is matched with the counterweight block 32, a groove is formed at the end of each of the two chute rods 4, which is close to the driving component 31, and is in a V shape to guide the counterweight block 32, sliding plates are further extended from two sides of each of the counterweight blocks 32, the sliding plates are inserted into the grooves, and the counterweight blocks 32 are slidably connected with the chute rods 4 through the sliding plates.
In a further embodiment, although the problem that the counterweight chain cannot be effectively reset due to the counterweight chain stacking can be solved by guiding the counterweight block 32 through the chute rod 4, the counterweight block 32 at the end far away from the first servo motor 311 is always passively pushed by the counterweight block 32 close to the end of the first servo motor 311 only through the sliding connection between the counterweight block 32 and the chute rod 4, and the pushing force required to be larger as the counterweight chain is farther away from the first servo motor 311, the problem that the transmission distance of the force is too long in the process of the sliding operation of the counterweight chain exists, and the problem that the load on the first servo motor 311 is too large and the service life of the first servo motor 311 is low is easily caused.
In order to solve the above problem, as shown in fig. 4, the engineering truck with an adjustable center of gravity further includes a rack-and-pinion mechanism 5 fixedly installed above the chute rod 4, and a second servo motor 6 having an output shaft rotatably connected to the rack-and-pinion mechanism 5, wherein a base of the second servo motor 6 is fixedly connected to one end of the counterweight chain away from the first servo motor 311, and the second servo motor 6 is electrically connected to the first servo motor 311.
When the second servo motor 6 is selected for the purpose of fully utilizing the internal space of the engineering truck body 1, as shown in fig. 4, the sum of the height of the second servo motor 6 and the height of the terminal weight block 32 is smaller than the height of the weight block 32 close to one end of the first servo motor 311.
Through the fixed mounting of second servo motor 6 and rack and pinion mechanism 5 in the one end that keeps away from first servo motor 311 at the counter weight chain, can make the balancing weight 32 of the one end of keeping away from first servo motor 311 initiatively slide in the spout pole 4 to the direction of keeping away from first servo motor 311, solved and loaded too big to first servo motor 311, the problem that first servo motor 311's life is low.
In another embodiment, in order to solve the above problem, as shown in fig. 5, the engineering vehicle with an adjustable center of gravity further includes a sprocket-chain mechanism 7, the sprocket-chain mechanism 7 includes a driving sprocket 71, a driven sprocket 72 and a chain, the driving sprocket 71 is fixedly installed on two sides of the winding shaft 312, the driven sprocket 72 is fixedly installed on two sides of one end of the engineering vehicle body 1, which is slidably connected to the counterweight chain, the driving chain 73 is sleeved on the outer sides of the driving sprocket 71 and the driven sprocket 72, the driving chain 73 is engaged with the driving sprocket 71 and the driven sprocket 72 at the same time, and two sides of one end of the counterweight chain, which is far away from the first servo motor 311, are.
The transmission chain 73 is used for dragging one end, far away from the first servo motor 311, of the transmission chain 73, so that the counterweight block 32, far away from one end of the first servo motor 311, can actively slide in the chute rod 4 towards the direction far away from the first servo motor 311, and the problems that the load on the first servo motor 311 is overlarge, and the service life of the first servo motor 311 is short are solved.
In a further embodiment, a phenomenon that the center of gravity of the engineering truck is shifted is that the engineering truck inclines to one side, and in the prior art, workers can subjectively judge whether the center of gravity of the engineering truck is shifted or not by observing the bubble level meter, and cannot effectively balance the engineering truck by using the balance weight component 3.
In order to solve the above problem, the engineering truck with the adjustable gravity center further comprises a gravity center detection assembly, the gravity center detection assembly comprises an electronic level meter installed in the middle of the engineering truck body 1, and the electronic level meter is electrically connected with the first servo motor 311.
The electronic level meter is electrically connected with the first servo motor 311, the first servo motor 311 can be actively controlled by a vehicle-mounted computer of the engineering truck to adjust the gravity center of the engineering truck when the gravity center of the engineering truck occurs, the labor intensity of workers is reduced through automatic control of the engineering truck, and the problem that the gravity center of the engineering truck deviates is solved.
Claims (6)
1. The utility model provides a focus adjustable machineshop car which characterized in that includes: the engineering truck comprises an engineering truck body, an executing assembly and a counterweight assembly, wherein the executing assembly is fixedly connected with the engineering truck body, a cantilever beam extends to one side of the engineering truck body, and heavy object transportation work is carried out through the cantilever beam;
the counterweight assembly comprises a driving assembly fixedly connected with the engineering truck body and a counterweight block fixedly connected with the driving assembly, and the driving assembly drives the counterweight block to move towards the opposite end of the extension direction of the cantilever beam.
2. The engineering truck with the adjustable gravity center according to claim 1, wherein the driving assembly is positioned at one end opposite to the extension direction of the cantilever beam, and comprises a first servo motor fixedly installed at one end of the engineering truck body and a rolling shaft in transmission connection with an output shaft of the first servo motor;
the balance weight block is provided with at least three balance weight blocks, the balance weight blocks are hinged with each other to form a balance weight chain, one end of the balance weight chain is hinged with the rolling shaft, and the other end of the balance weight chain is connected with the engineering truck body in a sliding mode.
3. The engineering truck with the adjustable gravity center according to claim 2, further comprising a chute rod fixedly installed between the first servo motor and the cantilever beam, wherein the chute rod is fixedly connected with the engineering truck body, the chute rod is located at two sides of the counterweight chain, and the counterweight block of the counterweight chain is in sliding connection with the chute rod before entering the working range of the rolling shaft.
4. The engineering truck with the adjustable center of gravity according to claim 3, further comprising a rack and pinion mechanism fixedly installed above the chute rod, and a second servo motor with an output shaft rotatably connected with the rack and pinion mechanism, wherein a base of the second servo motor is fixedly connected with one end of the counterweight chain far away from the first servo motor, and the second servo motor is electrically connected with the first servo motor.
5. The engineering truck with the adjustable center of gravity according to claim 3, wherein driving sprockets are fixedly mounted on two sides of the rolling shaft, driven sprockets are fixedly connected to two sides of one end, connected with the counterweight chain in a sliding mode, of the engineering truck body, a transmission chain is fixedly mounted between the driving sprockets and the driven sprockets, and two sides, far away from one end of the first servo motor, of the counterweight chain are fixedly connected with the transmission chain.
6. The engineering truck with the adjustable center of gravity according to claim 2, further comprising a center of gravity detection assembly, wherein the center of gravity detection assembly comprises an electronic level gauge installed in the middle of the engineering truck body, and the electronic level gauge is electrically connected with the first servo motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020432912.7U CN212151415U (en) | 2020-03-30 | 2020-03-30 | Engineering truck with adjustable gravity center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020432912.7U CN212151415U (en) | 2020-03-30 | 2020-03-30 | Engineering truck with adjustable gravity center |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212151415U true CN212151415U (en) | 2020-12-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020432912.7U Active CN212151415U (en) | 2020-03-30 | 2020-03-30 | Engineering truck with adjustable gravity center |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212151415U (en) |
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2020
- 2020-03-30 CN CN202020432912.7U patent/CN212151415U/en active Active
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