CN207166269U

CN207166269U - A kind of interlock on thief-proof bridge motor

Info

Publication number: CN207166269U
Application number: CN201720798399.1U
Authority: CN
Inventors: 孟鹏; 周国鹏
Original assignee: Hubei University of Science and Technology
Current assignee: Hubei University of Science and Technology
Priority date: 2017-07-03
Filing date: 2017-07-03
Publication date: 2018-03-30
Anticipated expiration: 2027-07-03

Abstract

The utility model provides the interlock on a kind of thief-proof bridge motor, belongs to technical field of the electromechanical equipment.It solves existing theftproof device of motor and the technical problem such as is easily opened.Dismount and offer four positioning holes on the bottom wall in hole, be inserted with a positioning rod in positioning hole respectively, the outer end of locating rod is fixedly installed a unlocking board, and unlocking board is rounded, has external screw thread on the outer peripheral face of unlocking board, screw thread engages four unlocking boards successively；Four unlocking boards can promote four solution locking plugs to be moved to the outer end of locking hole respectively；Connecting screw hole is offered on unlocking board, connecting screw hole is concentric with unlocking board；Dismount and a blend stop is provided with each inwall in hole, blend stop solves the outside of locking plug in dismounting hole.The utility model has the advantages that to improve thief-proof security by interlock.

Description

A kind of interlock on thief-proof bridge motor

Technical field

The utility model belongs to technical field of the electromechanical equipment, the interlock being related on a kind of thief-proof bridge motor.

Background technology

As the core parts of crane gear, bridge motor is usually placed in outdoor, and the shell of bridge motor is because of heaviness and its The firm reason such as connected, cheap of his support, it is not the target of criminal's theft, and the inner core of motor, because of price not Phenanthrene turns into the emphasis of thief-proof protection.

The content of the invention

The purpose of this utility model is to be directed to above mentioned problem existing for existing technology, there is provided on a kind of thief-proof bridge motor Interlock, how technical problem to be solved in the utility model is by the interlocking between unlocking board, prevents from connecting spiral shell Bar is opened easily.

The purpose of this utility model can be realized by following technical proposal：A kind of interlocking dress on thief-proof bridge motor Put, bridge motor includes cover and body, it is characterised in that some dismounting holes are offered on the end cap, are opened on the cover Provided with some female connecting holes of tool, it is connected between each connecting hole and dismounting hole by a locking device, institute Stating locking device includes having a dismounting head, institute with the connecting screw being adapted to connecting hole, the outer end of the connecting screw Stating has the dismounting hole of outer end opening in dismounting head, the cross section in the dismounting hole is square, in four of the dismounting hole A locking hole is offered on wall respectively, T-shaped solution locking plug, the inner tool of the solution locking plug are inserted with the locking hole There is a unblock inclined-plane at an acute angle between the axis of connecting screw, the outer end in the dismounting hole has a location division, described The aperture in the aperture ratio dismounting hole of location division is big, is arranged with a locking cap on the dismounting head, has on the inwall of the locking cap There are four positioning convex one-to-one with location division, the positioning convex is plugged in corresponding location division, the connection spiral shell A tamper baffle plate is arranged with bar, has on the tamper baffle plate and blocks the opening of the locking cap and on the outside of locking cap Back-up ring, between the back-up ring and the outer wall of the locking cap have more than positioning convex thickness gap；The dismounting hole Bottom wall on offer four positioning holes, a positioning rod is inserted with the positioning hole respectively, the outer end of the locating rod is consolidated Surely a unlocking board is provided with, the unlocking board is rounded, has external screw thread, four unblocks on the outer peripheral face of the unlocking board Screw thread engages plate successively；Four unlocking boards can promote four solution locking plugs to be moved to the outer end of locking hole respectively；It is described Connecting screw hole is offered on unlocking board, the connecting screw hole and unlocking board are concentric；It is respectively provided with each inwall in the dismounting hole There is a blend stop, the blend stop solves the outside of locking plug in dismounting hole.

In interlock on a kind of above-mentioned thief-proof bridge motor, four are offered on the outer face of the locking cap With the avoid holes of connecting screw hole face one by one.

Brief description of the drawings

Fig. 1 is the overall structure diagram of this thief-proof bridge motor.

Fig. 2 is the enlarged drawing of Local C in Fig. 1.

Fig. 3 is the structural representation of the anti-theft arrangement of this thief-proof bridge motor.

Fig. 4 is the structural representation of this tripper.

Fig. 5 is the assembling structure schematic diagram of tripper and anti-theft arrangement.

Fig. 6 is the sectional view on A directions in Fig. 5.

Fig. 7 is the sectional view on B directions in Fig. 5.

Fig. 8 is the schematic diagram of thief-proof circuit in this thief-proof bridge motor.

In figure, a, cover；B, body；11st, connecting screw；12nd, head is dismounted；13rd, hole is dismounted；14th, locking hole；15th, unlock Latch；16th, inclined-plane is unlocked；17th, location division；18th, locking cap；19th, positioning convex；21st, tamper baffle plate；22nd, back-up ring；23rd, position Hole；24th, locating rod；25th, unlocking board；26th, connecting screw hole；27th, blend stop；28th, locking hole；29th, locking bolt；3rd, avoid holes；41、 Locating piece；42nd, positioning recess；51st, handle；52nd, master gear；53rd, from gear；54th, pull bar；55th, the collar；L, magnetisation coil；S1、 Contact-making switch one；S2, contact-making switch two；S3, contact-making switch three；S4, contact-making switch four；E1, control power supply one；E2, control electricity Source two.

Embodiment

It is specific embodiment of the utility model and with reference to accompanying drawing below, the technical solution of the utility model is made further Description, but the utility model is not limited to these embodiments.

As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 5 and Fig. 7, a kind of thief-proof bridge motor, bridge motor includes cover a and body b, Some dismounting holes 13 are offered on end cap, some female connecting holes of tool, each connecting hole and dismounting are offered on cover a It is connected between hole 13 by a locking device, locking device includes, with the connecting screw 11 being adapted to connecting hole, connecting spiral shell The outer end of bar 11 has a dismounting first 12, has the dismounting hole 13 of outer end opening in dismounting first 12, dismounts the cross section in hole 13 It is square, dismount and offer a solution lockhole 14 on four inwalls in hole 13 respectively, solve in lockhole 14 and be inserted with T-shaped unblock Latch 15, the inner of solution locking plug 15 have unblock inclined-plane 16 at an acute angle between one and the axis of connecting screw 11, dismounted The outer end in hole 13 has a location division 17, and the aperture in the aperture ratio dismounting hole 13 of location division 17 is big, and one is arranged with dismounting first 12 Locking cap 18, have on the inwall of locking cap 18 and inserted with the positioning convex 19 of location division 17 one-to-one four, positioning convex 19 Corresponding to being located in location division 17, a tamper baffle plate 21 is arranged with connecting screw 11, is had on tamper baffle plate 21 by locking cap 18 opening is blocked and positioned at the back-up ring 22 in the outside of locking cap 18, has between back-up ring 22 and the outer wall of locking cap 18 and be more than positioning The gap of the thickness of projection 19.

For stationary cover a and body b connecting screw 11, under the parcel of locking cap 18, can not be opened easily, and Locking cap 18 is fixed in the dismounting first 12 of the outer end of connecting screw 11 by the cooperation of positioning convex 19 and location division 17, Want to open connecting screw 11, it is necessary to locking cap 18 is opened, by real in the dismounting hole 13 in corner spanner insertion dismounting first 12 Existing, the specific purpose tool that opening locking cap 18 must be dismounted by insertion in hole 13 solves the ejection of locking plug 15 by four can.

Dismount and offer four positioning holes 23 on the bottom wall in hole 13, a positioning rod 24 is inserted with respectively in positioning hole 23, it is fixed The outer end of position bar 24 is fixedly installed a unlocking board 25, and unlocking board 25 is rounded, has outer spiral shell on the outer peripheral face of unlocking board 25 Line, screw thread engages four unlocking boards 25 successively；Four unlocking boards 25 can promote four solution locking plugs 15 respectively to solution lockhole 14 Outer end movement；Connecting screw hole 26 is offered on unlocking board 25, connecting screw hole 26 and unlocking board 25 are concentric；Dismount each of hole 13 A blend stop 27 is provided with inwall, blend stop 27 solves the outside of locking plug 15 in dismounting hole 13.

The lateral wall of dismounting first 12 is in curved surface, and the gabarit of locking cap 18 is adapted to dismounting first 12；It is provided with and tears open on end cap The locking hole 28 that hole 13 penetrates is filled, the internal thread of locking hole 28 is connected with locking bolt 29.Locking bolt 29 can prevent from connecting spiral shell Bar 11 loosens；Four avoid holes 3 with the face one by one of connecting screw hole 26 are offered on the outer face of locking cap 18.

Preferably, one and one of solution 15 corresponding magnetic valve of locking plug, electricity are provided with the inwall of back-up ring 22 Magnet valve has all one's life magnetic coil L, and the S1 of contact-making switch one, the S2 of contact-making switch two, contact-making switch three are provided with the inwall of back-up ring 22 The S3 and S4 of contact-making switch four, the S1 of contact-making switch one, the S2 of contact-making switch two, the S3 of contact-making switch three and the S4 of contact-making switch four can be With solving the wall contacts of lock nut and being triggered when solution locking plug 15 ejects, the S1 of contact-making switch one and the S2 of contact-making switch two and wherein two The correspondence of solution locking plug 15 of individual face, the S3 of contact-making switch three and the S4 of contact-making switch four and the solution locking plug 15 of two other face are right Should；Thief-proof bridge motor also includes the control E1 of power supply one and control power supply two E2, the S1 of the contact-making switch one and S2 of contact-making switch two simultaneously Connection, the S3 of contact-making switch three and the S4 of contact-making switch four are in parallel, and control power supply one E1, magnetisation coil L, the S1 of contact-making switch one and contact are opened Close two S2 series connection, control power supply two E2, magnetisation coil L, the S3 of contact-making switch three and the S4 of contact-making switch four series connection.

Preferably, the bottom of positioning hole 23 is provided with locating piece 41 made of graphite material, offered in locating rod 24 The positioning recess 42 coordinated with locating piece 41.

As illustrated in figures 1 and 8, the S1 of the contact-making switch one and/or S2 of contact-making switch two triggerings, magnetisation coil L are connected, magnetic valve Ejection, withstands locking cap 18, does not allow solution locking plug 15 corresponding to magnetic valve to eject, i.e., locking cap 18 can not be removed；Contact is opened The three S3 and/or S4 of contact-making switch four triggerings are closed, magnetisation coil L is connected, and magnetic valve ejection, is withstood locking cap 18, is not allowed magnetic valve Corresponding solution locking plug 15 ejects, i.e., locking cap 18 can not be removed；Only as the S1 of the contact-making switch one or S2 of contact-making switch two and connect Touch the switch three S3 or S4 of contact-making switch four to be triggered two-by-two, magnetisation coil L side can disconnect.

Locking plugs 15, contact-making switch three are solved due to corresponding to the S1 of contact-making switch one and the S2 of contact-making switch two being two of face It is the solution locking plug 15 of two other face corresponding to the S3 and S4 of contact-making switch four, based on this, opens this in the following manner and rise The end cap of weight motor, will be unable to realize：

Single screw rod insertion, it is intended to open locking cap 18：Single screw rod inserts connecting screw hole 26, due to locating piece 41 and determines The effect of position projection 19, screw rod are difficult to realize and connected that, if under strong pressure effect, screw rod is inserted into connecting with connecting screw hole 26 Screw 26 is connect, even if the skidding without locating piece 41 and positioning convex 19 acts on, also necessarily causes unlocking board 25 to rotate, unlocking board In 25 rotation processes, in the presence of mutual screw-driven, what two pieces of unlocking boards 25 of face were directed to other two pieces Unlocking board 25 moves along the two of locating rod 24 different directions respectively, wherein, to two unblocks of 23 outer end motion of positioning hole Plate 25 is advanceed to up to the position contacted with solution locking plug 15, and promotes solution locking plug 15 to eject, and the two solution locking plugs 15 are complete During full ejection, unlocking board 25 is limited by blend stop 27, and can not continue to think movement outside, even if thief pulls screw rod, it is intended to will The all ejections of all solution locking plugs 15, can not also be realized.

Two screw rods diagonally insert simultaneously, it is intended to open locking cap 18：Its effect communicates with a screw rod, can not be by whole Solution locking plug 15 eject simultaneously.

As long as that is, relative rotation between unlocking board 25 be present, you can relative length travel occurs, will be unable to Realize unblock.

Only by specific purpose tool, after four synchronized links of unlocking board 25, the purpose of unblock can be reached.

In addition, this thief-proof bridge motor is additionally provided with automatically controlled locking system, can not be simultaneously in two adjacent unlocking boards 25 Top will trigger magnetic valve when unwinding locking plug 15, so as to be blocked for the gap for removing locking cap 18, only synchronous contact or All contact can by person.

As shown in Figure 1, Figure 2, shown in Fig. 4, Fig. 5 and Fig. 6, a kind of tripper of thief-proof bridge motor, tripper includes one Handle 51, handle 51 are hollow structure, and a master gear 52 is fixedly installed in handle 51, are additionally provided with handle 51 and avoid holes 3 one-to-one four engage from gear 53 with four, be fixedly installed respectively from gear 53 simultaneously from gear 53, master gear 52 There is a pull bar 54, the outer end of pull bar 54 has external screw thread；The outer end of pull bar 54 can be threadedly coupled with connecting screw hole 26；Pull bar 54 can be plugged in corresponding avoid holes 3.

Tripper also includes the female collar 55 of tool, has what is matched with the internal thread of the collar 55 on pull bar 54 External screw thread.

Opening ways are as follows：Avoid holes 3 corresponding to four pull bars 54 are inserted respectively, and pull bar 54 is headed into connecting screw hole 26, rotating handles 51, rotate in same direction four pull bars 54, because four unlocking boards 25 are by the moment of torsion of equidirectional, four solutions It is mutually locked between jam plate 25, rotation can not be realized, after pull bar 54 is connected with connecting screw hole 26, pull handle outside 51 can be simultaneously Four solution locking plugs 15 are ejected, so as to remove solution locking cap 18, take out locking bolt 29, then open by the corner spanner of routine Open dismounting first 12.

The distance between locking cap 18 and handle 51 can also be increased by rotating the collar 55, so as to which pull bar 54 be extracted.

Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model Person of ordinary skill in the field can make various modifications or supplement to described specific embodiment or using class As mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.

Claims

1. the interlock on a kind of thief-proof bridge motor, bridge motor includes cover (a) and body (b), it is characterised in that institute State and some mounting holes are offered on cover (a), some female connecting holes of tool, Mei Gesuo are offered on the cover (a) State and be connected between connecting hole and mounting hole by a locking device, the locking device is included with the company being adapted to connecting hole Screw rod (11) is connect, the outer end of the connecting screw (11) has a dismounting head (12), has outer end in the dismounting head (12) The dismounting hole (13) of opening, the cross section of dismounting hole (13) is square, is opened respectively on four inwalls of the mounting hole Provided with a solution lockhole (14), T-shaped solution locking plug (15) is inserted with the solution lockhole (14), the solution locking plug (15) The inner has unblock inclined-plane (16) at an acute angle between one and the axis of connecting screw (11), the outer end of dismounting hole (13) With a location division (17), the aperture of aperture ratio dismounting hole (13) of the location division (17) is big, is covered on the dismounting head (12) Provided with a locking cap (18), have and location division (17) one-to-one four positioning convex on the inwall of the locking cap (18) (19), the positioning convex (19) is plugged in corresponding location division (17), and a tamper is arranged with the connecting screw (11) Baffle plate (21), have on the tamper baffle plate (21) and block the opening of the locking cap (18) and on the outside of locking cap (18) Back-up ring (22), there is between the back-up ring (22) and the outer wall of the locking cap (18) thickness more than positioning convex (19) Gap；Four positioning holes (23) are offered on the bottom wall of dismounting hole (13), one is inserted with respectively in the positioning hole (23) Locating rod (24), the outer end of the locating rod (24) are fixedly installed a unlocking board (25), and the unlocking board (25) is rounded, There is external screw thread, screw thread engages four unlocking boards (25) successively on the outer peripheral face of the unlocking board (25)；Four solutions Jam plate (25) can promote four solution locking plugs (15) to be moved to the outer end of solution lockhole (14) respectively；Opened on the unlocking board (25) Provided with connecting screw hole (26), the connecting screw hole (26) and unlocking board (25) are concentric；On each inwall of dismounting hole (13) It is provided with a blend stop (27), the outside of the blend stop (27) solution locking plug (15) in dismounting hole (13).

A kind of 2. interlock on thief-proof bridge motor according to claim 1, it is characterised in that the locking cap (18) four avoid holes (3) with the connecting screw hole (26) face one by one are offered on outer face.