CN217123171U

CN217123171U - Assembled big arm structure

Info

Publication number: CN217123171U
Application number: CN202221019448.4U
Authority: CN
Inventors: 唐增红; 杨立新; 边超
Original assignee: Xianyang United Machinery Co ltd
Current assignee: Xianyang United Machinery Co ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-08-05
Anticipated expiration: 2032-04-29

Abstract

The utility model discloses a big arm structure of assembled, including main arm (1) and auxiliary arm (2), main arm (1) internal rotation fit is connected with drive shaft (101), drive shaft (101) annular array is equipped with card joining in marriage groove (103) all around, the lug (104) has set firmly in card joining in marriage groove (103), the downside of card joining in marriage groove (103) is equipped with lift inner chamber (105), interior sliding fit is connected with lift slider (107) in lift inner chamber (105), interior threaded fit is connected with threaded rod (106) that extend from top to bottom and set up, the bottom power of threaded rod (106) is connected with control motor (109), sliding fit is connected with round pin piece (108) between card joining in marriage groove (103) and lift inner chamber (105); the device realizes the quick assembly and disassembly work, and the later maintenance is quite convenient, so that the production efficiency and the safety are improved.

Description

Assembled big arm structure

Technical Field

The utility model relates to a big arm technical field specifically is a big arm structure of assembled.

Background

The large arm component is a machine specially equipped for the production automation of the tunnel mold, and can play an extremely important role in the aspects of reducing heavy physical labor, improving labor conditions and safety production, improving production efficiency, stabilizing product quality, reducing rejection rate, reducing production cost, enhancing competitiveness of enterprises and the like, the existing large arm component cannot realize the quick assembly and disassembly work among components, and the later maintenance is quite inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a big arm structure of assembled for overcome the above-mentioned defect among the prior art.

According to the utility model discloses an assembled big arm structure, including main arm and auxiliary arm, the main arm internal rotation fit is connected with the drive shaft, drive shaft annular array all around is equipped with the card matching groove, the lug sets firmly in the card matching groove, the downside of card matching groove is equipped with the lift inner chamber, the interior sliding fit of lift inner chamber is connected with the lift slider, the interior screw-thread fit of lift slider is connected with the threaded rod that extends the setting from top to bottom, the bottom power of threaded rod is connected with the control motor, sliding fit is connected with the round pin piece between card matching groove and the lift inner chamber, the bottom of round pin piece with the lift slider fixed connection, be equipped with the ring groove in the auxiliary arm, sliding fit is connected with the annular strip in the ring groove, the centre of a circle position of ring groove is equipped with the power connection groove that opens downwards, the annular array all around of power connection groove is equipped with the activity groove, sliding fit is connected with the movable rod in the movable slot, the left side of fly jib is equipped with the open slot, the open slot with looks UNICOM is equipped with between the ring groove and accomodates the groove, the poking rod that extends the setting about sliding fit is connected with in the open slot, the right side end of poking rod passes accomodate the groove with annular strip fixed connection, accomodate the inslot be equipped with poking rod rear end face roof pressure complex reset spring.

According to a further technical scheme, a power joint is arranged at the top of the driving shaft.

According to a further technical scheme, the control motor is fixedly arranged in the bottom wall of the lifting inner cavity.

According to the technical scheme, the top of the movable groove is communicated with the annular groove, the bottom of the movable groove is communicated with the outside, the top of the movable rod is fixedly connected with the annular strip, and the bottom section of the movable rod is fixedly provided with a clamping joint positioned on the lower side of the auxiliary arm.

Drawings

Fig. 1 is a schematic overall structure diagram of a large assembled arm structure in the present invention;

FIG. 2 is a cross-sectional view A-A of FIG. 1 according to the present invention;

fig. 3 is a top view of the main arm of the present invention;

fig. 4 is a cross-sectional view of B-B of fig. 1 according to the present invention.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 4.

Referring to fig. 1-4, an assembled big arm structure according to an embodiment of the present invention includes a main arm 1 and an auxiliary arm 2, the main arm 1 is rotatably and cooperatively connected with a driving shaft 101, the driving shaft 101 is provided with a circumferential annular array of engaging grooves 103, a protrusion 104 is fixedly disposed in the engaging groove 103, a lifting inner cavity 105 is disposed at a lower side of the engaging groove 103, a lifting slider 107 is slidably and cooperatively connected in the lifting inner cavity 105, the lifting slider 107 is connected with a threaded rod 106 extending vertically in a female-threaded manner, a control motor 109 is dynamically connected to a bottom of the threaded rod 106, so as to automatically control lifting operation of the lifting slider 107, a pin 108 is slidably and cooperatively connected between the engaging groove 103 and the lifting inner cavity 105, so as to achieve fastening and locking operation, a bottom of the pin 108 is fixedly connected with the lifting slider 107, and an annular groove 202 is disposed in the auxiliary arm 2, sliding fit is connected with annular strip 203 in ring groove 202 to realize the movable work of synchronous control movable rod 209 all around, the centre of a circle position of ring groove 202 is equipped with the decurrent power connection groove 201 of opening, the annular array all around of power connection groove 201 is equipped with movable groove 208, sliding fit is connected with movable rod 209 in movable groove 208, the left side of sub-arm 2 is equipped with open slot 205, open slot 205 with looks UNICOM is equipped with between the ring groove 202 and accomodates groove 204, sliding fit is connected with about the open slot 205 extends the poker rod 206 that sets up, thereby realizes the unblock work that simple and convenient control was dismantled, the right side end of poker rod 206 passes accomodate groove 204 with annular strip 203 fixed connection, accomodate in the groove 204 be equipped with poker rod 206 rear end roof pressure matched with reset spring 207.

Advantageously or exemplarily, the top of said drive shaft 101 is provided with a power joint 102.

Advantageously or exemplarily, the control motor 109 is fixedly arranged in the bottom wall of the lifting cavity 105.

Advantageously or exemplarily, the top of the movable groove 208 is arranged to communicate with the circular groove 202, the bottom of the movable groove 208 is communicated with the outside, the top of the movable rod 209 is fixedly connected with the circular strip 203, and the bottom section of the movable rod 209 is fixedly provided with a clamping joint 210 located at the lower side of the secondary arm 2.

The utility model has the advantages that: the clamping head is aligned with the clamping groove, the auxiliary arm moves relative to one side of the main arm, the clamping head extends into the clamping groove and is abutted to the lug, the jacking force of the lug is received, the clamping head drives the movable rod and the annular strip to move against the jacking force of the reset spring, the jacking force of the reset spring is received until the clamping head moves to the lower side position of the lug, the movable rod drives the clamping head to be matched with the lug in a clamping mode, meanwhile, the control motor works, the threaded rod drives the pin block to extend into the clamping groove, the pin block is abutted to the movable rod far away from one side of the clamping head, the activity of the movable rod is limited, the main arm and the auxiliary arm are quickly assembled, the quick assembling and disassembling work is achieved, later maintenance is quite convenient, the production efficiency and safety are improved, and the product quality is stabilized.

It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. Which all fall within the protection scope of the utility model. The protection scheme of the utility model is based on the appended claims.

Claims

1. The utility model provides a big arm structure of assembled, includes main arm (1) and fly jib (2), its characterized in that: the main arm (1) is connected with a driving shaft (101) in a rotating fit mode, annular arrays on the periphery of the driving shaft (101) are provided with clamping grooves (103), a convex block (104) is fixedly arranged in each clamping groove (103), a lifting inner cavity (105) is arranged on the lower side of each clamping groove (103), a lifting sliding block (107) is connected in the lifting inner cavity (105) in a sliding fit mode, a threaded rod (106) which extends up and down is connected in the lifting sliding block (107) in a threaded fit mode, a control motor (109) is connected to the bottom of the threaded rod (106) in a power mode, a pin block (108) is connected between each clamping groove (103) and the lifting inner cavity (105) in a sliding fit mode, the bottom of the pin block (108) is fixedly connected with the lifting sliding block (107), a circular groove (202) is arranged in the auxiliary arm (2), and an annular strip (203) is connected in the circular groove (202) in the sliding fit mode, the centre of a circle position of ring groove (202) is equipped with power connection groove (201) that open side down, the annular array all around of power connection groove (201) is equipped with movable groove (208), sliding fit is connected with movable rod (209) in movable groove (208), the left side of fly jib (2) is equipped with open slot (205), open slot (205) with looks UNICOM is equipped with between ring groove (202) and accomodates groove (204), sliding fit is connected with about open slot (205) extends poker rod (206) that sets up, the right side end of poker rod (206) is passed accomodate groove (204) with annular strip (203) fixed connection, accomodate be equipped with in groove (204) with poker rod (206) rear side end face roof pressure complex reset spring (207).

2. A fabricated boom structure according to claim 1, characterized in that: and a power joint (102) is arranged at the top of the driving shaft (101).

3. A fabricated boom structure according to claim 1, characterized in that: the control motor (109) is fixedly arranged in the bottom wall of the lifting inner cavity (105).

4. A fabricated boom structure according to claim 1, characterized in that: the top of activity groove (208) with ring groove (202) are linked together and are set up, the bottom of activity groove (208) and external looks UNICOM, the top of movable rod (209) with annular strip (203) fixed connection, the bottom section of movable rod (209) sets firmly and is located joint (210) of fly jib (2) downside.